bringing docs up to date

_sources/arguments.txt

+Argument validation
+===================
+
+CorePost integrates the popular 'formencode' package to implement form and query argument validation.
+Validators can be specified using a *formencode* Schema object, or via custom field-specific validators.
+
+Example::
+
+	from corepost.web import validate, route
+	from corepost.enums import Http
+	from formencode import Schema, validators
+	
+	class TestSchema(Schema):
+	    allow_extra_fields = True
+	    childId = validators.Regex(regex="^value1|value2$")
+	
+	class MyApp():
+		
+		@route("/validate/<int:rootId>/schema",Http.POST)
+		@validate(schema=TestSchema())
+		def postValidateSchema(self,request,rootId,childId,**kwargs):
+		    '''Validate using a common schema'''
+		    return "%s - %s - %s" % (rootId,childId,kwargs)
+		
+		@route("/validate/<int:rootId>/custom",Http.POST)
+		@validate(childId=validators.Regex(regex="^value1|value2$"))
+		def postValidateCustom(self,request,rootId,childId,**kwargs):
+		    '''Validate using argument-specific validators'''
+		    return "%s - %s - %s" % (rootId,childId,kwargs)	    
+
+
+Please see the *FormEncode* documentation:
+
+http://www.formencode.org/en/latest/Validator.html
+
+for list of available validators:
+
+* Common : http://www.formencode.org/en/latest/modules/validators.html#module-formencode.validators
+* National : http://www.formencode.org/en/latest/modules/national.html#module-formencode.national
+
+

_sources/async.txt

+Asynchronous Operations
+=======================
+
+@defer.inlineCallbacks support
+------------------------------
+
+If you want a deferred async method, just use *defer.returnValue()*::
+
+	@route("/",Http.GET)
+	@defer.inlineCallbacks
+	def root(self,request,**kwargs):
+		val1 = yield db.query("SELECT ....")
+		val2 = yield db.query("SELECT ....")
+		defer.returnValue(val1 + val2)
+
+This is standard Twisted functionality.
+	

_sources/content_types.txt

+Content types
+=============
+
+CorePost integrates support for JSON, YAML and XML (partially) based on request content types.
+
+Parsing of incoming content
+---------------------------
+
+Based on the incoming content type in POST/PUT requests,
+the body will be automatically parsed to JSON, YAML and XML (ElementTree)
+
+* request.json
+* request.yaml
+* request.xml
+
+and attached to the request::
+
+	@route("/post/json",(Http.POST,Http.PUT))
+	def test_json(self,request,**kwargs):
+	    return "%s" % json.dumps(request.json)
+	
+	@route("/post/xml",(Http.POST,Http.PUT))
+	def test_xml(self,request,**kwargs):
+	    return "%s" % ElementTree.tostring(request.xml)
+	
+	@route("/post/yaml",(Http.POST,Http.PUT))
+	def test_yaml(self,request,**kwargs):
+	    return "%s" % yaml.dump(request.yaml)
+
+
+Converting Python objects to expected content type
+--------------------------------------------------
+
+Instead of returning string responses, the code can just return Python objects.
+Depending whether the caller can accept JSON (default) or YAML, the Python objects will be automatically converted::
+
+    @route("/return/by/accept")
+    def test_return_content_by_accepts(self,request,**kwargs):
+        val = [{"test1":"Test1"},{"test2":"Test2"}]
+        return val
+        
+Calling this URL with "Accept: application/json" will return:
+
+::
+
+	[{"test1": "Test1"}, {"test2": "Test2"}]
+	
+Calling it with "Accept: text/yaml" will return:
+
+::
+
+	- {test1: Test1}
+	- {test2: Test2} 
+	

_sources/features.txt

+Features
+=================
+
+Here is a breakdown of key CorePost features
+
+URL Routing
+-----------
+
+@route decorator
+^^^^^^^^^^^^^^^^
+
+Via a simple *@route* decorator you can automatically route *twisted.web* Request objects to your class method
+based on URL (with dynamic paths), HTTP method, expected content type, etc::
+
+    from corepost.web import route, RESTResource
+    from corepost.enums import Http
+    
+    class RESTService():
+    
+        @route("/",Http.GET)
+        def root(self,request,**kwargs):
+            return request.path
+        
+        @route("/test",Http.GET)
+        def test(self,request,**kwargs):
+            return request.path
+        
+        @route("/test/<int:numericid>",Http.GET)
+        def test_get_resources(self,request,numericid,**kwargs):
+            return "%s" % numericid
+    
+    if __name__ == '__main__':
+        app = RESTResource((RESTService,))
+        app.run()
+
+*Note*:
+
+	This piece of code::
+	
+	        app.run()
+	        
+	is just for convenience when showing code samples and writing unit tests. 
+	In a real production application you would use existing Twisted *twistd* functionality:
+	
+	* http://twistedmatrix.com/documents/current/core/howto/basics.html
+	* http://twistedmatrix.com/documents/current/core/howto/application.html
+	* http://twistedmatrix.com/documents/current/core/howto/tap.html
+
+Path argument extraction
+^^^^^^^^^^^^^^^^^^^^^^^^
+
+CorePort can easily extract path arguments from an URL and convert them to the desired type.
+
+The supported types are:
+
+* *int*
+* *float*
+* *string*
+
+Example::
+
+	@route("/int/<int:intarg>/float/<float:floatarg>/string/<stringarg>",Http.GET)
+	def test(self,request,intarg,floatarg,stringarg,**kwargs):
+		pass
+
+Argument validation
+^^^^^^^^^^^^^^^^^^^
+
+CorePost integrates the popular 'formencode' package to implement form and query argument validation.
+Validators can be specified using a *formencode* Schema object, or via custom field-specific validators.
+
+Example::
+
+	from corepost.web import validate, route
+	from corepost.enums import Http
+	from formencode import Schema, validators
+	
+	class TestSchema(Schema):
+	    allow_extra_fields = True
+	    childId = validators.Regex(regex="^value1|value2$")
+	
+	class MyApp():
+		
+		@route("/validate/<int:rootId>/schema",Http.POST)
+		@validate(schema=TestSchema())
+		def postValidateSchema(self,request,rootId,childId,**kwargs):
+		    '''Validate using a common schema'''
+		    return "%s - %s - %s" % (rootId,childId,kwargs)
+		
+		@route("/validate/<int:rootId>/custom",Http.POST)
+		@validate(childId=validators.Regex(regex="^value1|value2$"))
+		def postValidateCustom(self,request,rootId,childId,**kwargs):
+		    '''Validate using argument-specific validators'
+		    return "%s - %s - %s" % (rootId,childId,kwargs)	    
+
+
+Please see the *FormEncode* <http://www.formencode.org/en/latest/Validator.html> documentation
+for list of available validators:
+
+* Common <http://www.formencode.org/en/latest/modules/validators.html#module-formencode.validators>
+* National <http://www.formencode.org/en/latest/modules/national.html#module-formencode.national>
+
+
+Multiple REST services under a common root URL
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+A typical case in REST is where you have parent/child resources (business entities), e.g.
+
+::
+
+	Customer
+	
+		Customer Address
+		
+		Customer Phone
+		
+		Customer Order
+		
+			Customer Invoice
+			
+				Customer Invoice Payment
+
+etc.
+
+This can create a URL structure like:
+
+::
+
+	/customer
+	
+	/customer/<customerId>
+	
+	/customer/<customerId>/address
+	
+	/customer/<customerId>/address/<addressId>
+	
+	/customer/<customerId>/phone
+	
+	/customer/<customerId>/phone/<phoneId>
+	
+	/customer/<customerId>/invoice
+	
+	/customer/<customerId>/invoice/<invoiceId>
+	
+	/customer/<customerId>/invoice/<invoiceId>/payment
+	
+	/customer/<customerId>/invoice/<invoiceId>/payment/<paymentId>
+	
+
+CorePost allows you to write small, modular classes that implement a REST service for just a single entity,
+driven by URL paths with dynamic elements in them (e.g. the *customerId*, *invoiceId*, *paymentId* path parameters in the sample above).
+You do not have to mesh all these different entities in a single class.
+
+At the end, you wrap all of the different REST services in a single *RESTResource* object (which extends the regular Twisted Web Resource object)
+and it takes care of routing the request to the appropriate class.
+
+Here is a full-blown example of two REST services for Customer and Customer Address::
+
+	from corepost import Response, NotFoundException, AlreadyExistsException
+	from corepost.web import RESTResource, route, Http 
+
+	class CustomerRESTService():
+	    path = "/customer"
+	
+	    @route("/")
+	    def getAll(self,request):
+	        return DB.getAllCustomers()
+	    
+	    @route("/<customerId>")
+	    def get(self,request,customerId):
+	        return DB.getCustomer(customerId)
+	    
+	    @route("/",Http.POST)
+	    def post(self,request,customerId,firstName,lastName):
+	        customer = Customer(customerId, firstName, lastName)
+	        DB.saveCustomer(customer)
+	        return Response(201)
+	    
+	    @route("/<customerId>",Http.PUT)        
+	    def put(self,request,customerId,firstName,lastName):
+	        c = DB.getCustomer(customerId)
+	        (c.firstName,c.lastName) = (firstName,lastName)
+	        return Response(200)
+	
+	    @route("/<customerId>",Http.DELETE)
+	    def delete(self,request,customerId):
+	        DB.deleteCustomer(customerId)
+	        return Response(200)
+	    
+	    @route("/",Http.DELETE)
+	    def deleteAll(self,request):
+	        DB.deleteAllCustomers()
+	        return Response(200)
+	
+	class CustomerAddressRESTService():
+	    path = "/customer/<customerId>/address"
+	
+	    @route("/")
+	    def getAll(self,request,customerId):
+	        return DB.getCustomer(customerId).addresses
+	    
+	    @route("/<addressId>")
+	    def get(self,request,customerId,addressId):
+	        return DB.getCustomerAddress(customerId, addressId)
+	    
+	    @route("/",Http.POST)
+	    def post(self,request,customerId,addressId,streetNumber,streetName,stateCode,countryCode):
+	        c = DB.getCustomer(customerId)
+	        address = CustomerAddress(streetNumber,streetName,stateCode,countryCode)
+	        c.addresses[addressId] = address
+	        return Response(201)
+	    
+	    @route("/<addressId>",Http.PUT)        
+	    def put(self,request,customerId,addressId,streetNumber,streetName,stateCode,countryCode):
+	        address = DB.getCustomerAddress(customerId, addressId)
+	        (address.streetNumber,address.streetName,address.stateCode,address.countryCode) = (streetNumber,streetName,stateCode,countryCode)
+	        return Response(200)
+	
+	    @route("/<addressId>",Http.DELETE)
+	    def delete(self,request,customerId,addressId):
+	        DB.getCustomerAddress(customerId, addressId) #validate address exists
+	        del(DB.getCustomer(customerId).addresses[addressId])
+	        return Response(200)
+	    
+	    @route("/",Http.DELETE)
+	    def deleteAll(self,request,customerId):
+	        c = DB.getCustomer(customerId)
+	        c.addresses = {}
+	        return Response(200)
+	
+	
+	def run_rest_app():
+	    app = RESTResource((CustomerRESTService(),CustomerAddressRESTService()))
+	    app.run(8080)
+	    
+	if __name__ == "__main__":
+	    run_rest_app()
+	
+Content types
+-------------
+
+CorePost integrates support for JSON, YAML and XML (partially) based on request content types.
+
+*Parsing of incoming content*
+
+Based on the incoming content type in POST/PUT requests,
+the body will be automatically parsed to JSON, YAML and XML (ElementTree)
+
+* request.json
+* request.yaml
+* request.xml
+
+and attached to the request::
+
+	@route("/post/json",(Http.POST,Http.PUT))
+	def test_json(self,request,**kwargs):
+	    return "%s" % json.dumps(request.json)
+	
+	@route("/post/xml",(Http.POST,Http.PUT))
+	def test_xml(self,request,**kwargs):
+	    return "%s" % ElementTree.tostring(request.xml)
+	
+	@route("/post/yaml",(Http.POST,Http.PUT))
+	def test_yaml(self,request,**kwargs):
+	    return "%s" % yaml.dump(request.yaml)
+
+
+Routing requests by incoming content type
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Based on the incoming content type in POST/PUT requests, the *same* URL can be hooked up to different router methods::
+
+    @route("/post/by/content",(Http.POST,Http.PUT),MediaType.APPLICATION_JSON)
+    def test_content_app_json(self,request,**kwargs):
+        return request.received_headers[HttpHeader.CONTENT_TYPE]
+
+    @route("/post/by/content",(Http.POST,Http.PUT),(MediaType.TEXT_XML,MediaType.APPLICATION_XML))
+    def test_content_xml(self,request,**kwargs):
+        return request.received_headers[HttpHeader.CONTENT_TYPE]
+
+    @route("/post/by/content",(Http.POST,Http.PUT),MediaType.TEXT_YAML)
+    def test_content_yaml(self,request,**kwargs):
+        return request.received_headers[HttpHeader.CONTENT_TYPE]
+
+    @route("/post/by/content",(Http.POST,Http.PUT))
+    def test_content_catch_all(self,request,**kwargs):
+        return MediaType.WILDCARD
+
+Converting Python objects to content type based on what caller can accept
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Instead of returning string responses, the code can just return Python objects.
+Depending whether the caller can accept JSON (default) or YAML, the Python objects will be automatically converted::
+
+    @route("/return/by/accept")
+    def test_return_content_by_accepts(self,request,**kwargs):
+        val = [{"test1":"Test1"},{"test2":"Test2"}]
+        return val
+        
+Calling this URL with "Accept: application/json" will return:
+
+::
+
+	[{"test1": "Test1"}, {"test2": "Test2"}]
+	
+Calling it with "Accept: text/yaml" will return:
+
+::
+
+	- {test1: Test1}
+	- {test2: Test2} 
+	
+Filters
+-----------------
+
+There is support for CorePost resource filters via the two following *corepost.filter* interfaces::
+
+	class IRequestFilter(Interface):
+	    """Request filter interface"""    
+	    def filterRequest(self,request):
+	        """Allows to intercept and change an incoming request"""
+	        pass
+	
+	class IResponseFilter(Interface):
+	    """Response filter interface"""
+	    def filterResponse(self,request,response):
+	        """Allows to intercept and change an outgoing response"""
+	        pass
+
+A filter class can implement either of them or both (for a wrap around filter), e.g.::
+
+	class AddCustomHeaderFilter():
+	    """Implements a request filter that adds a custom header to the incoming request"""
+	    zope.interface.implements(IRequestFilter)
+	    
+	    def filterRequest(self,request):
+	        request.received_headers["Custom-Header"] = "Custom Header Value"
+	
+	class Change404to503Filter():
+	    """Implements just a response filter that changes 404 to 503 statuses"""
+	    zope.interface.implements(IResponseFilter)
+	    
+	    def filterResponse(self,request,response):
+	        if response.code == 404:
+	            response.code = 503
+
+	class WrapAroundFilter():
+	    """Implements both types of filters in one class"""
+	    zope.interface.implements(IRequestFilter,IResponseFilter)
+	
+	    def filterRequest(self,request):
+	        request.received_headers["X-Wrap-Input"] = "Input"
+	    
+	    def filterResponse(self,request,response):
+	        response.headers["X-Wrap-Output"] = "Output"
+
+
+In order to activate the filters on a RESTResource instance, you need to pass a list of them in the constructor as the *filters* parameter, e.g.::
+ 	   
+	class FilterApp():
+	    
+	    @route("/",Http.GET)
+	    def root(self,request,**kwargs):
+	        return request.received_headers
+	
+	def run_filter_app():
+	    app = RESTResource(services=((FilterApp(),),filters=(Change404to503Filter(),AddCustomHeaderFilter(),WrapAroundFilter(),))
+	    app.run(8083)
+
+Asynchronous Operations
+-----------------------
+
+@defer.inlineCallbacks support
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If you want a deferred async method, just use *defer.returnValue()*::
+
+	@route("/",Http.GET)
+	@defer.inlineCallbacks
+	def root(self,request,**kwargs):
+		val1 = yield db.query("SELECT ....")
+		val2 = yield db.query("SELECT ....")
+		defer.returnValue(val1 + val2)
+
+This is standard Twisted functionality.
+	
+HTTP codes
+------------------
+
+By default, CorePost returns the appropriate HTTP code based on the HTTP method:
+
+Success:
+
+* 200 (OK) - GET, DELETE, PUT
+* 201 (Created) - POST
+	
+Errors:
+
+* 404 - not able to match any URL
+* 400 - missing mandatory argument (driven from the arguments on the actual functions)
+* 400 - argument failed validation
+* 500 - server error
+	

_sources/filters.txt

+Filters
+=======
+
+There is support for CorePost resource filters via the two following *corepost.filter* interfaces::
+
+	class IRequestFilter(Interface):
+	    """Request filter interface"""    
+	    def filterRequest(self,request):
+	        """Allows to intercept and change an incoming request"""
+	        pass
+	
+	class IResponseFilter(Interface):
+	    """Response filter interface"""
+	    def filterResponse(self,request,response):
+	        """Allows to intercept and change an outgoing response"""
+	        pass
+
+A filter class can implement either of them or both (for a wrap around filter), e.g.::
+
+	class AddCustomHeaderFilter():
+	    """Implements a request filter that adds a custom header to the incoming request"""
+	    zope.interface.implements(IRequestFilter)
+	    
+	    def filterRequest(self,request):
+	        request.received_headers["Custom-Header"] = "Custom Header Value"
+	
+	class Change404to503Filter():
+	    """Implements just a response filter that changes 404 to 503 statuses"""
+	    zope.interface.implements(IResponseFilter)
+	    
+	    def filterResponse(self,request,response):
+	        if response.code == 404:
+	            response.code = 503
+
+	class WrapAroundFilter():
+	    """Implements both types of filters in one class"""
+	    zope.interface.implements(IRequestFilter,IResponseFilter)
+	
+	    def filterRequest(self,request):
+	        request.received_headers["X-Wrap-Input"] = "Input"
+	    
+	    def filterResponse(self,request,response):
+	        response.headers["X-Wrap-Output"] = "Output"
+
+
+In order to activate the filters on a RESTResource instance, you need to pass a list of them in the constructor as the *filters* parameter, e.g.::
+ 	   
+	class FilterApp:
+	    
+	    @route("/",Http.GET)
+	    def root(self,request,**kwargs):
+	        return request.received_headers
+	
+	def run_filter_app():
+	    app = RESTResource(services=(FilterApp(),),filters=(Change404to503Filter(),AddCustomHeaderFilter(),WrapAroundFilter(),))
+	    app.run(8083)
+

_sources/http_codes.txt

+HTTP codes
+==========
+
+By default, CorePost returns the appropriate HTTP code based on the HTTP method:
+
+Success:
+
+* 200 (OK) - GET, DELETE, PUT
+* 201 (Created) - POST
+	
+Errors:
+
+* 404 - not able to match any URL.
+* 400 - missing mandatory argument (driven from the arguments on the actual functions)
+* 400 - argument failed validation
+* 500 - server error
+	

_sources/index.txt

+CorePost
+====================================
+
+A Twisted REST micro-framework
+------------------------------
+
+.. toctree::
+   :maxdepth: 4
+   
+   intro
+   
+Features
+--------
+
+.. toctree::
+   :maxdepth: 4
+   
+   url_routing
+   argument_parsing
+   arguments
+   content_types
+   filters
+   http_codes
+   async
+   modules
+   

_sources/intro.txt

+Introduction
+============
+
+What is CorePost?
+-----------------
+
+CorePost is a Python REST micro-framework. It is meant for building enterprise-grade REST server applications that provide
+API services to other applications and/or a UI layer (coded in any framework or language).
+
+More importantly, CorePost is an asynchronous I/O web framework (similar to Node.js).
+Hence it relies on asynchronous I/O operations, which are extremely efficient, but somewhat more complicated to code.
+
+Fortunately, CorePost does not create it's own async I/O library, but instead uses under the mature, well documented
+and extremely well designed Twisted library, in particular its web layer (known simply as twisted.web)
+
+Coupled with a JIT runtime like PyPy, this should give you the ability to develop REST server side applications
+that will be extremely performant in production, yet (hopefully) fun and productive to develop.
+
+What is Twisted?  
+----------------
+
+Twisted is a very mature Python async I/O network toolkit:
+
+http://twistedmatrix.com/trac/
+
+Understanding core principles behind Twisted and its APIs is required (at least at a basic level) before coding any CorePost application.
+
+Hence we recommend either reading the very thorough developer's guide:
+
+http://twistedmatrix.com/documents/current/core/howto/book.pdf
+
+or the excellent Twisted tutorials from Dave Peticolas:
+
+http://krondo.com/blog/?page_id=1327
+
+In particular, understanding the core Twisted Deferred object (and its productive inline callback approach) are crucial
+to productive usage of Twisted APIs for writing asynchronous web applications.
+
+What does CorePost add on top of Twisted Web?
+---------------------------------------------
+
+Mostly productivity features that take of low-level plumbing such as:
+
+* routing request to handler methods
+* automatic parsing of JSON/YAML/XML input
+* automatic conversion of Python objects and classes to JSON / YAML / XML formats
+* simplified exception handling
+* custom request / response filters
+
+However, this is a very thin layer. Once you get to write some serious code that interacts with an external system (e.g. a SQL database)
+you are writing a hard-code Twisted web application. CorePost is just there to make it easier for you and let you focus on business logic,
+while letting it take care of common required plumbing. That's it.
+
+A CorePost application is nothing more than a *twisted.web* application under the hood.
+
+Why would I use CorePost instead of Node.js?
+--------------------------------------------
+
+As you develop more Twisted code, you will realize how its elegant and powerful *Deferred* object
+(and especially inline callbacks) make developing *readable* asynchronous code much more pleasant than any other solution.
\ No newline at end of file

_sources/modules.txt

+Modular REST applications
+=========================
+
+A typical case in REST is where you have parent/child resources (business entities), e.g.
+
+::
+
+	Customer
+	
+		Customer Address
+		
+		Customer Phone
+		
+		Customer Order
+		
+			Customer Invoice
+			
+				Customer Invoice Payment
+
+etc.
+
+This can create a URL structure like:
+
+::
+
+	/customer
+	
+	/customer/<customerId>
+	
+	/customer/<customerId>/address
+	
+	/customer/<customerId>/address/<addressId>
+	
+	/customer/<customerId>/phone
+	
+	/customer/<customerId>/phone/<phoneId>
+	
+	/customer/<customerId>/invoice
+	
+	/customer/<customerId>/invoice/<invoiceId>
+	
+	/customer/<customerId>/invoice/<invoiceId>/payment
+	
+	/customer/<customerId>/invoice/<invoiceId>/payment/<paymentId>
+	
+
+CorePost allows you to write small, modular classes that implement a REST service for just a single entity,
+driven by URL paths with dynamic elements in them (e.g. the *customerId*, *invoiceId*, *paymentId* path parameters in the sample above).
+You do not have to mesh all these different entities in a single class.
+
+At the end, you wrap all of the different REST services in a single *RESTResource* object (which extends the regular Twisted Web Resource object)
+and it takes care of routing the request to the appropriate class.
+
+Here is a full-blown example of two REST services for Customer and Customer Address::
+
+	from corepost import Response, NotFoundException, AlreadyExistsException
+	from corepost.web import RESTResource, route, Http 
+
+	class CustomerRESTService():
+	    path = "/customer"
+	
+	    @route("/")
+	    def getAll(self,request):
+	        return DB.getAllCustomers()
+	    
+	    @route("/<customerId>")
+	    def get(self,request,customerId):
+	        return DB.getCustomer(customerId)
+	    
+	    @route("/",Http.POST)
+	    def post(self,request,customerId,firstName,lastName):
+	        customer = Customer(customerId, firstName, lastName)
+	        DB.saveCustomer(customer)
+	        return Response(201)
+	    
+	    @route("/<customerId>",Http.PUT)        
+	    def put(self,request,customerId,firstName,lastName):
+	        c = DB.getCustomer(customerId)
+	        (c.firstName,c.lastName) = (firstName,lastName)
+	        return Response(200)
+	
+	    @route("/<customerId>",Http.DELETE)
+	    def delete(self,request,customerId):
+	        DB.deleteCustomer(customerId)
+	        return Response(200)
+	    
+	    @route("/",Http.DELETE)
+	    def deleteAll(self,request):
+	        DB.deleteAllCustomers()
+	        return Response(200)
+	
+	class CustomerAddressRESTService():
+	    path = "/customer/<customerId>/address"
+	
+	    @route("/")
+	    def getAll(self,request,customerId):
+	        return DB.getCustomer(customerId).addresses
+	    
+	    @route("/<addressId>")
+	    def get(self,request,customerId,addressId):
+	        return DB.getCustomerAddress(customerId, addressId)
+	    
+	    @route("/",Http.POST)
+	    def post(self,request,customerId,addressId,streetNumber,streetName,stateCode,countryCode):
+	        c = DB.getCustomer(customerId)
+	        address = CustomerAddress(streetNumber,streetName,stateCode,countryCode)
+	        c.addresses[addressId] = address
+	        return Response(201)
+	    
+	    @route("/<addressId>",Http.PUT)        
+	    def put(self,request,customerId,addressId,streetNumber,streetName,stateCode,countryCode):
+	        address = DB.getCustomerAddress(customerId, addressId)
+	        (address.streetNumber,address.streetName,address.stateCode,address.countryCode) = (streetNumber,streetName,stateCode,countryCode)
+	        return Response(200)
+	
+	    @route("/<addressId>",Http.DELETE)
+	    def delete(self,request,customerId,addressId):
+	        DB.getCustomerAddress(customerId, addressId) #validate address exists
+	        del(DB.getCustomer(customerId).addresses[addressId])
+	        return Response(200)
+	    
+	    @route("/",Http.DELETE)
+	    def deleteAll(self,request,customerId):
+	        c = DB.getCustomer(customerId)
+	        c.addresses = {}
+	        return Response(200)
+	
+	
+	def run_rest_app():
+	    app = RESTResource((CustomerRESTService(),CustomerAddressRESTService()))
+	    app.run(8080)
+	    
+	if __name__ == "__main__":
+	    run_rest_app()
+	

_sources/url_routing.txt

+URL Routing
+=================
+
+@route decorator
+----------------
+
+Via a simple *@route* decorator you can automatically route *twisted.web* Request objects to your class method
+based on URL (with dynamic paths), HTTP method, expected content type, etc::
+
+    from corepost.web import route, RESTResource
+    from corepost.enums import Http
+    
+    class RESTService():
+    
+        @route("/",Http.GET)
+        def root(self,request,**kwargs):
+            return request.path
+        
+        @route("/test",Http.GET)
+        def test(self,request,**kwargs):
+            return request.path
+        
+        @route("/test/<int:numericid>",Http.GET)
+        def test_get_resources(self,request,numericid,**kwargs):
+            return "%s" % numericid
+    
+    if __name__ == '__main__':
+        app = RESTResource((RESTService,))
+        app.run()
+
+*Note*:
+
+	This piece of code::
+	
+	        app.run()
+	        
+	is just for convenience when showing code samples and writing unit tests. 
+	In a real production application you would use existing Twisted *twistd* functionality:
+	
+	* http://twistedmatrix.com/documents/current/core/howto/basics.html
+	* http://twistedmatrix.com/documents/current/core/howto/application.html
+	* http://twistedmatrix.com/documents/current/core/howto/tap.html
+
+Path argument extraction
+------------------------
+
+CorePort can easily extract path arguments from an URL and convert them to the desired type.
+
+The supported types are:
+
+* *int*
+* *float*
+* *string*
+
+Example::
+
+	@route("/int/<int:intarg>/float/<float:floatarg>/string/<stringarg>",Http.GET)
+	def test(self,request,intarg,floatarg,stringarg,**kwargs):
+		pass
+
+Routing requests by incoming content type
+-----------------------------------------
+
+Based on the incoming content type in POST/PUT requests, the *same* URL can be hooked up to different router methods::
+
+    @route("/post/by/content",(Http.POST,Http.PUT),MediaType.APPLICATION_JSON)
+    def test_content_app_json(self,request,**kwargs):
+        return request.received_headers[HttpHeader.CONTENT_TYPE]
+
+    @route("/post/by/content",(Http.POST,Http.PUT),(MediaType.TEXT_XML,MediaType.APPLICATION_XML))
+    def test_content_xml(self,request,**kwargs):
+        return request.received_headers[HttpHeader.CONTENT_TYPE]
+
+    @route("/post/by/content",(Http.POST,Http.PUT),MediaType.TEXT_YAML)
+    def test_content_yaml(self,request,**kwargs):
+        return request.received_headers[HttpHeader.CONTENT_TYPE]
+
+    @route("/post/by/content",(Http.POST,Http.PUT))
+    def test_content_catch_all(self,request,**kwargs):
+        return MediaType.WILDCARD

_static/basic.css

+/*
+ * basic.css
+ * ~~~~~~~~~
+ *
+ * Sphinx stylesheet -- basic theme.
+ *
+ * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/* -- main layout ----------------------------------------------------------- */
+
+div.clearer {
+    clear: both;
+}
+
+/* -- relbar ---------------------------------------------------------------- */
+
+div.related {
+    width: 100%;
+    font-size: 90%;
+}
+
+div.related h3 {
+    display: none;
+}
+
+div.related ul {
+    margin: 0;
+    padding: 0 0 0 10px;
+    list-style: none;
+}
+
+div.related li {
+    display: inline;
+}
+
+div.related li.right {
+    float: right;
+    margin-right: 5px;
+}
+
+/* -- sidebar --------------------------------------------------------------- */
+
+div.sphinxsidebarwrapper {
+    padding: 10px 5px 0 10px;
+}
+
+div.sphinxsidebar {
+    float: left;
+    width: 230px;
+    margin-left: -100%;
+    font-size: 90%;
+}
+
+div.sphinxsidebar ul {
+    list-style: none;
+}
+
+div.sphinxsidebar ul ul,
+div.sphinxsidebar ul.want-points {
+    margin-left: 20px;
+    list-style: square;
+}
+
+div.sphinxsidebar ul ul {
+    margin-top: 0;
+    margin-bottom: 0;
+}
+
+div.sphinxsidebar form {
+    margin-top: 10px;
+}
+
+div.sphinxsidebar input {
+    border: 1px solid #98dbcc;
+    font-family: sans-serif;
+    font-size: 1em;
+}
+
+div.sphinxsidebar input[type="text"] {
+    width: 170px;
+}
+
+div.sphinxsidebar input[type="submit"] {
+    width: 30px;
+}
+
+img {
+    border: 0;
+}
+
+/* -- search page ----------------------------------------------------------- */
+
+ul.search {
+    margin: 10px 0 0 20px;
+    padding: 0;
+}
+
+ul.search li {
+    padding: 5px 0 5px 20px;
+    background-image: url(file.png);
+    background-repeat: no-repeat;
+    background-position: 0 7px;
+}
+
+ul.search li a {
+    font-weight: bold;
+}
+
+ul.search li div.context {
+    color: #888;
+    margin: 2px 0 0 30px;
+    text-align: left;
+}
+
+ul.keywordmatches li.goodmatch a {
+    font-weight: bold;
+}
+
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 1.3em;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
+/* -- general index --------------------------------------------------------- */
+
+table.indextable {
+    width: 100%;
+}
+
+table.indextable td {
+    text-align: left;
+    vertical-align: top;
+}
+
+table.indextable dl, table.indextable dd {
+    margin-top: 0;
+    margin-bottom: 0;
+}
+
+table.indextable tr.pcap {
+    height: 10px;
+}
+
+table.indextable tr.cap {
+    margin-top: 10px;
+    background-color: #f2f2f2;
+}
+
+img.toggler {
+    margin-right: 3px;
+    margin-top: 3px;
+    cursor: pointer;
+}
+
+div.modindex-jumpbox {
+    border-top: 1px solid #ddd;
+    border-bottom: 1px solid #ddd;
+    margin: 1em 0 1em 0;
+    padding: 0.4em;
+}
+
+div.genindex-jumpbox {
+    border-top: 1px solid #ddd;
+    border-bottom: 1px solid #ddd;
+    margin: 1em 0 1em 0;
+    padding: 0.4em;
+}
+
+/* -- general body styles --------------------------------------------------- */
+
+a.headerlink {
+    visibility: hidden;
+}
+
+h1:hover > a.headerlink,
+h2:hover > a.headerlink,
+h3:hover > a.headerlink,
+h4:hover > a.headerlink,
+h5:hover > a.headerlink,
+h6:hover > a.headerlink,
+dt:hover > a.headerlink {
+    visibility: visible;
+}
+
+div.body p.caption {
+    text-align: inherit;
+}
+
+div.body td {
+    text-align: left;
+}
+
+.field-list ul {
+    padding-left: 1em;
+}
+
+.first {
+    margin-top: 0 !important;
+}
+
+p.rubric {
+    margin-top: 30px;
+    font-weight: bold;
+}
+
+img.align-left, .figure.align-left, object.align-left {
+    clear: left;
+    float: left;
+    margin-right: 1em;
+}
+
+img.align-right, .figure.align-right, object.align-right {
+    clear: right;
+    float: right;
+    margin-left: 1em;
+}
+
+img.align-center, .figure.align-center, object.align-center {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.align-left {
+    text-align: left;
+}
+
+.align-center {
+    text-align: center;
+}
+
+.align-right {
+    text-align: right;
+}
+
+/* -- sidebars -------------------------------------------------------------- */
+
+div.sidebar {
+    margin: 0 0 0.5em 1em;
+    border: 1px solid #ddb;
+    padding: 7px 7px 0 7px;
+    background-color: #ffe;
+    width: 40%;
+    float: right;
+}
+
+p.sidebar-title {
+    font-weight: bold;
+}
+
+/* -- topics ---------------------------------------------------------------- */
+
+div.topic {
+    border: 1px solid #ccc;
+    padding: 7px 7px 0 7px;
+    margin: 10px 0 10px 0;
+}
+
+p.topic-title {
+    font-size: 1.1em;
+    font-weight: bold;
+    margin-top: 10px;
+}
+
+/* -- admonitions ----------------------------------------------------------- */
+
+div.admonition {
+    margin-top: 10px;
+    margin-bottom: 10px;
+    padding: 7px;
+}
+
+div.admonition dt {
+    font-weight: bold;
+}
+
+div.admonition dl {
+    margin-bottom: 0;
+}
+
+p.admonition-title {
+    margin: 0px 10px 5px 0px;
+    font-weight: bold;
+}
+
+div.body p.centered {
+    text-align: center;
+    margin-top: 25px;
+}
+
+/* -- tables ---------------------------------------------------------------- */
+
+table.docutils {
+    border: 0;
+    border-collapse: collapse;
+}
+
+table.docutils td, table.docutils th {
+    padding: 1px 8px 1px 5px;
+    border-top: 0;
+    border-left: 0;
+    border-right: 0;
+    border-bottom: 1px solid #aaa;
+}
+
+table.field-list td, table.field-list th {
+    border: 0 !important;
+}
+
+table.footnote td, table.footnote th {
+    border: 0 !important;
+}
+
+th {
+    text-align: left;
+    padding-right: 5px;
+}
+
+table.citation {
+    border-left: solid 1px gray;
+    margin-left: 1px;
+}
+
+table.citation td {
+    border-bottom: none;
+}
+
+/* -- other body styles ----------------------------------------------------- */
+
+ol.arabic {
+    list-style: decimal;
+}
+
+ol.loweralpha {
+    list-style: lower-alpha;
+}
+
+ol.upperalpha {
+    list-style: upper-alpha;
+}
+
+ol.lowerroman {
+    list-style: lower-roman;
+}
+
+ol.upperroman {
+    list-style: upper-roman;
+}
+
+dl {
+    margin-bottom: 15px;
+}
+
+dd p {
+    margin-top: 0px;
+}
+
+dd ul, dd table {
+    margin-bottom: 10px;
+}
+
+dd {
+    margin-top: 3px;
+    margin-bottom: 10px;
+    margin-left: 30px;
+}
+
+dt:target, .highlighted {
+    background-color: #fbe54e;
+}
+
+dl.glossary dt {
+    font-weight: bold;
+    font-size: 1.1em;
+}
+
+.field-list ul {
+    margin: 0;
+    padding-left: 1em;
+}
+
+.field-list p {
+    margin: 0;
+}
+
+.refcount {
+    color: #060;
+}
+
+.optional {
+    font-size: 1.3em;
+}
+
+.versionmodified {
+    font-style: italic;
+}
+
+.system-message {
+    background-color: #fda;
+    padding: 5px;
+    border: 3px solid red;
+}
+
+.footnote:target  {
+    background-color: #ffa;
+}
+
+.line-block {
+    display: block;
+    margin-top: 1em;
+    margin-bottom: 1em;
+}
+
+.line-block .line-block {
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 1.5em;
+}
+
+.guilabel, .menuselection {
+    font-family: sans-serif;
+}
+
+.accelerator {
+    text-decoration: underline;
+}
+
+.classifier {
+    font-style: oblique;
+}
+
+abbr, acronym {
+    border-bottom: dotted 1px;
+    cursor: help;
+}
+
+/* -- code displays --------------------------------------------------------- */
+
+pre {
+    overflow: auto;
+    overflow-y: hidden;  /* fixes display issues on Chrome browsers */
+}
+
+td.linenos pre {
+    padding: 5px 0px;
+    border: 0;
+    background-color: transparent;
+    color: #aaa;
+}
+
+table.highlighttable {
+    margin-left: 0.5em;
+}
+
+table.highlighttable td {
+    padding: 0 0.5em 0 0.5em;
+}
+
+tt.descname {
+    background-color: transparent;
+    font-weight: bold;
+    font-size: 1.2em;
+}
+
+tt.descclassname {
+    background-color: transparent;
+}
+
+tt.xref, a tt {
+    background-color: transparent;
+    font-weight: bold;
+}
+
+h1 tt, h2 tt, h3 tt, h4 tt, h5 tt, h6 tt {
+    background-color: transparent;
+}
+
+.viewcode-link {
+    float: right;
+}
+
+.viewcode-back {
+    float: right;
+    font-family: sans-serif;
+}
+
+div.viewcode-block:target {
+    margin: -1px -10px;
+    padding: 0 10px;
+}
+
+/* -- math display ---------------------------------------------------------- */
+
+img.math {
+    vertical-align: middle;
+}
+
+div.body div.math p {
+    text-align: center;
+}
+
+span.eqno {
+    float: right;
+}
+
+/* -- printout stylesheet --------------------------------------------------- */
+
+@media print {
+    div.document,
+    div.documentwrapper,
+    div.bodywrapper {
+        margin: 0 !important;
+        width: 100%;
+    }
+
+    div.sphinxsidebar,
+    div.related,
+    div.footer,
+    #top-link {
+        display: none;
+    }
+}
\ No newline at end of file

_static/default.css

+/*
+ * default.css_t
+ * ~~~~~~~~~~~~~
+ *
+ * Sphinx stylesheet -- default theme.
+ *
+ * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+@import url("basic.css");
+
+/* -- page layout ----------------------------------------------------------- */
+
+body {
+    font-family: sans-serif;
+    font-size: 100%;
+    background-color: #11303d;
+    color: #000;
+    margin: 0;
+    padding: 0;
+}
+
+div.document {
+    background-color: #1c4e63;
+}
+
+div.documentwrapper {
+    float: left;
+    width: 100%;
+}
+
+div.bodywrapper {
+    margin: 0 0 0 230px;
+}
+
+div.body {
+    background-color: #ffffff;
+    color: #000000;
+    padding: 0 20px 30px 20px;
+}
+
+div.footer {
+    color: #ffffff;
+    width: 100%;
+    padding: 9px 0 9px 0;
+    text-align: center;
+    font-size: 75%;
+}
+
+div.footer a {
+    color: #ffffff;
+    text-decoration: underline;
+}
+
+div.related {
+    background-color: #133f52;
+    line-height: 30px;
+    color: #ffffff;
+}
+
+div.related a {
+    color: #ffffff;
+}
+
+div.sphinxsidebar {
+}
+
+div.sphinxsidebar h3 {
+    font-family: 'Trebuchet MS', sans-serif;
+    color: #ffffff;
+    font-size: 1.4em;
+    font-weight: normal;
+    margin: 0;
+    padding: 0;
+}
+
+div.sphinxsidebar h3 a {
+    color: #ffffff;
+}
+
+div.sphinxsidebar h4 {
+    font-family: 'Trebuchet MS', sans-serif;
+    color: #ffffff;
+    font-size: 1.3em;
+    font-weight: normal;
+    margin: 5px 0 0 0;
+    padding: 0;
+}
+
+div.sphinxsidebar p {
+    color: #ffffff;
+}
+
+div.sphinxsidebar p.topless {
+    margin: 5px 10px 10px 10px;
+}
+
+div.sphinxsidebar ul {
+    margin: 10px;
+    padding: 0;
+    color: #ffffff;
+}
+
+div.sphinxsidebar a {
+    color: #98dbcc;
+}
+
+div.sphinxsidebar input {
+    border: 1px solid #98dbcc;
+    font-family: sans-serif;
+    font-size: 1em;
+}
+
+
+
+/* -- hyperlink styles ------------------------------------------------------ */
+
+a {
+    color: #355f7c;
+    text-decoration: none;
+}
+
+a:visited {
+    color: #355f7c;
+    text-decoration: none;
+}
+
+a:hover {
+    text-decoration: underline;
+}
+
+
+
+/* -- body styles ----------------------------------------------------------- */
+
+div.body h1,
+div.body h2,
+div.body h3,
+div.body h4,
+div.body h5,
+div.body h6 {
+    font-family: 'Trebuchet MS', sans-serif;
+    background-color: #f2f2f2;
+    font-weight: normal;
+    color: #20435c;
+    border-bottom: 1px solid #ccc;
+    margin: 20px -20px 10px -20px;
+    padding: 3px 0 3px 10px;
+}
+
+div.body h1 { margin-top: 0; font-size: 200%; }
+div.body h2 { font-size: 160%; }
+div.body h3 { font-size: 140%; }
+div.body h4 { font-size: 120%; }
+div.body h5 { font-size: 110%; }
+div.body h6 { font-size: 100%; }
+
+a.headerlink {
+    color: #c60f0f;
+    font-size: 0.8em;
+    padding: 0 4px 0 4px;
+    text-decoration: none;
+}
+
+a.headerlink:hover {
+    background-color: #c60f0f;
+    color: white;
+}
+
+div.body p, div.body dd, div.body li {
+    text-align: justify;
+    line-height: 130%;
+}
+
+div.admonition p.admonition-title + p {
+    display: inline;
+}
+
+div.admonition p {
+    margin-bottom: 5px;
+}
+
+div.admonition pre {
+    margin-bottom: 5px;
+}
+
+div.admonition ul, div.admonition ol {
+    margin-bottom: 5px;
+}
+
+div.note {
+    background-color: #eee;
+    border: 1px solid #ccc;
+}
+
+div.seealso {
+    background-color: #ffc;
+    border: 1px solid #ff6;
+}
+
+div.topic {
+    background-color: #eee;
+}
+
+div.warning {
+    background-color: #ffe4e4;
+    border: 1px solid #f66;
+}
+
+p.admonition-title {
+    display: inline;
+}
+
+p.admonition-title:after {
+    content: ":";
+}
+
+pre {
+    padding: 5px;
+    background-color: #eeffcc;
+    color: #333333;
+    line-height: 120%;
+    border: 1px solid #ac9;
+    border-left: none;
+    border-right: none;
+}
+
+tt {
+    background-color: #ecf0f3;
+    padding: 0 1px 0 1px;
+    font-size: 0.95em;
+}
+
+th {
+    background-color: #ede;
+}
+
+.warning tt {
+    background: #efc2c2;
+}
+
+.note tt {
+    background: #d6d6d6;
+}
+
+.viewcode-back {
+    font-family: sans-serif;
+}
+
+div.viewcode-block:target {
+    background-color: #f4debf;
+    border-top: 1px solid #ac9;
+    border-bottom: 1px solid #ac9;
+}
\ No newline at end of file

_static/doctools.js

+/*
+ * doctools.js
+ * ~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for all documentation.
+ *
+ * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/**
+ * select a different prefix for underscore
+ */
+$u = _.noConflict();
+
+/**
+ * make the code below compatible with browsers without
+ * an installed firebug like debugger
+if (!window.console || !console.firebug) {
+  var names = ["log", "debug", "info", "warn", "error", "assert", "dir",
+    "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace",
+    "profile", "profileEnd"];
+  window.console = {};
+  for (var i = 0; i < names.length; ++i)
+    window.console[names[i]] = function() {};
+}
+ */
+
+/**
+ * small helper function to urldecode strings
+ */
+jQuery.urldecode = function(x) {
+  return decodeURIComponent(x).replace(/\+/g, ' ');
+}
+
+/**
+ * small helper function to urlencode strings
+ */
+jQuery.urlencode = encodeURIComponent;
+
+/**
+ * This function returns the parsed url parameters of the
+ * current request. Multiple values per key are supported,
+ * it will always return arrays of strings for the value parts.
+ */
+jQuery.getQueryParameters = function(s) {
+  if (typeof s == 'undefined')
+    s = document.location.search;
+  var parts = s.substr(s.indexOf('?') + 1).split('&');
+  var result = {};
+  for (var i = 0; i < parts.length; i++) {
+    var tmp = parts[i].split('=', 2);
+    var key = jQuery.urldecode(tmp[0]);
+    var value = jQuery.urldecode(tmp[1]);
+    if (key in result)
+      result[key].push(value);
+    else
+      result[key] = [value];
+  }
+  return result;
+};
+
+/**
+ * small function to check if an array contains
+ * a given item.
+ */
+jQuery.contains = function(arr, item) {
+  for (var i = 0; i < arr.length; i++) {
+    if (arr[i] == item)
+      return true;
+  }
+  return false;
+};
+
+/**
+ * highlight a given string on a jquery object by wrapping it in
+ * span elements with the given class name.
+ */
+jQuery.fn.highlightText = function(text, className) {
+  function highlight(node) {
+    if (node.nodeType == 3) {
+      var val = node.nodeValue;
+      var pos = val.toLowerCase().indexOf(text);
+      if (pos >= 0 && !jQuery(node.parentNode).hasClass(className)) {
+        var span = document.createElement("span");
+        span.className = className;
+        span.appendChild(document.createTextNode(val.substr(pos, text.length)));
+        node.parentNode.insertBefore(span, node.parentNode.insertBefore(
+          document.createTextNode(val.substr(pos + text.length)),
+          node.nextSibling));
+        node.nodeValue = val.substr(0, pos);
+      }
+    }
+    else if (!jQuery(node).is("button, select, textarea")) {
+      jQuery.each(node.childNodes, function() {
+        highlight(this);
+      });
+    }
+  }
+  return this.each(function() {
+    highlight(this);
+  });
+};
+
+/**
+ * Small JavaScript module for the documentation.
+ */
+var Documentation = {
+
+  init : function() {
+    this.fixFirefoxAnchorBug();
+    this.highlightSearchWords();
+    this.initIndexTable();
+  },
+
+  /**
+   * i18n support
+   */
+  TRANSLATIONS : {},
+  PLURAL_EXPR : function(n) { return n == 1 ? 0 : 1; },
+  LOCALE : 'unknown',
+
+  // gettext and ngettext don't access this so that the functions
+  // can safely bound to a different name (_ = Documentation.gettext)
+  gettext : function(string) {
+    var translated = Documentation.TRANSLATIONS[string];
+    if (typeof translated == 'undefined')
+      return string;
+    return (typeof translated == 'string') ? translated : translated[0];
+  },
+
+  ngettext : function(singular, plural, n) {
+    var translated = Documentation.TRANSLATIONS[singular];
+    if (typeof translated == 'undefined')
+      return (n == 1) ? singular : plural;
+    return translated[Documentation.PLURALEXPR(n)];
+  },
+
+  addTranslations : function(catalog) {
+    for (var key in catalog.messages)
+      this.TRANSLATIONS[key] = catalog.messages[key];
+    this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')');
+    this.LOCALE = catalog.locale;
+  },
+
+  /**
+   * add context elements like header anchor links
+   */
+  addContextElements : function() {
+    $('div[id] > :header:first').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this headline')).
+      appendTo(this);
+    });
+    $('dt[id]').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this definition')).
+      appendTo(this);
+    });
+  },
+
+  /**
+   * workaround a firefox stupidity
+   */
+  fixFirefoxAnchorBug : function() {
+    if (document.location.hash && $.browser.mozilla)
+      window.setTimeout(function() {
+        document.location.href += '';
+      }, 10);
+  },
+
+  /**
+   * highlight the search words provided in the url in the text
+   */
+  highlightSearchWords : function() {
+    var params = $.getQueryParameters();
+    var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : [];
+    if (terms.length) {
+      var body = $('div.body');
+      window.setTimeout(function() {
+        $.each(terms, function() {
+          body.highlightText(this.toLowerCase(), 'highlighted');
+        });
+      }, 10);
+      $('<p class="highlight-link"><a href="javascript:Documentation.' +
+        'hideSearchWords()">' + _('Hide Search Matches') + '</a></p>')
+          .appendTo($('#searchbox'));
+    }
+  },
+
+  /**
+   * init the domain index toggle buttons
+   */
+  initIndexTable : function() {
+    var togglers = $('img.toggler').click(function() {
+      var src = $(this).attr('src');
+      var idnum = $(this).attr('id').substr(7);
+      $('tr.cg-' + idnum).toggle();
+      if (src.substr(-9) == 'minus.png')
+        $(this).attr('src', src.substr(0, src.length-9) + 'plus.png');
+      else
+        $(this).attr('src', src.substr(0, src.length-8) + 'minus.png');
+    }).css('display', '');
+    if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) {
+        togglers.click();
+    }
+  },
+
+  /**
+   * helper function to hide the search marks again
+   */
+  hideSearchWords : function() {
+    $('#searchbox .highlight-link').fadeOut(300);
+    $('span.highlighted').removeClass('highlighted');
+  },
+
+  /**
+   * make the url absolute
+   */
+  makeURL : function(relativeURL) {
+    return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL;
+  },
+
+  /**
+   * get the current relative url
+   */
+  getCurrentURL : function() {
+    var path = document.location.pathname;
+    var parts = path.split(/\//);
+    $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() {
+      if (this == '..')
+        parts.pop();
+    });
+    var url = parts.join('/');
+    return path.substring(url.lastIndexOf('/') + 1, path.length - 1);
+  }
+};
+
+// quick alias for translations
+_ = Documentation.gettext;
+
+$(document).ready(function() {
+  Documentation.init();
+});

_static/jquery.js

+/*!
+ * jQuery JavaScript Library v1.4.2
+ * http://jquery.com/
+ *
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Sat Feb 13 22:33:48 2010 -0500
+ */
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+"number"?f.duration:c.fx.speeds[f.duration]||c.fx.speeds._default;f.old=f.complete;f.complete=function(){f.queue!==false&&c(this).dequeue();c.isFunction(f.old)&&f.old.call(this)};return f},easing:{linear:function(a,b,d,f){return d+f*a},swing:function(a,b,d,f){return(-Math.cos(a*Math.PI)/2+0.5)*f+d}},timers:[],fx:function(a,b,d){this.options=b;this.elem=a;this.prop=d;if(!b.orig)b.orig={}}});c.fx.prototype={update:function(){this.options.step&&this.options.step.call(this.elem,this.now,this);(c.fx.step[this.prop]||
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+this.pos=this.state=0;var e=this;f.elem=this.elem;if(f()&&c.timers.push(f)&&!W)W=setInterval(c.fx.tick,13)},show:function(){this.options.orig[this.prop]=c.style(this.elem,this.prop);this.options.show=true;this.custom(this.prop==="width"||this.prop==="height"?1:0,this.cur());c(this.elem).show()},hide:function(){this.options.orig[this.prop]=c.style(this.elem,this.prop);this.options.hide=true;this.custom(this.cur(),0)},step:function(a){var b=J(),d=true;if(a||b>=this.options.duration+this.startTime){this.now=
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+e,this.options.orig[e]);this.options.complete.call(this.elem)}return false}else{e=b-this.startTime;this.state=e/this.options.duration;a=this.options.easing||(c.easing.swing?"swing":"linear");this.pos=c.easing[this.options.specialEasing&&this.options.specialEasing[this.prop]||a](this.state,e,0,1,this.options.duration);this.now=this.start+(this.end-this.start)*this.pos;this.update()}return true}};c.extend(c.fx,{tick:function(){for(var a=c.timers,b=0;b<a.length;b++)a[b]()||a.splice(b--,1);a.length||
+c.fx.stop()},stop:function(){clearInterval(W);W=null},speeds:{slow:600,fast:200,_default:400},step:{opacity:function(a){c.style(a.elem,"opacity",a.now)},_default:function(a){if(a.elem.style&&a.elem.style[a.prop]!=null)a.elem.style[a.prop]=(a.prop==="width"||a.prop==="height"?Math.max(0,a.now):a.now)+a.unit;else a.elem[a.prop]=a.now}}});if(c.expr&&c.expr.filters)c.expr.filters.animated=function(a){return c.grep(c.timers,function(b){return a===b.elem}).length};c.fn.offset="getBoundingClientRect"in s.documentElement?
+function(a){var b=this[0];if(a)return this.each(function(e){c.offset.setOffset(this,a,e)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);var d=b.getBoundingClientRect(),f=b.ownerDocument;b=f.body;f=f.documentElement;return{top:d.top+(self.pageYOffset||c.support.boxModel&&f.scrollTop||b.scrollTop)-(f.clientTop||b.clientTop||0),left:d.left+(self.pageXOffset||c.support.boxModel&&f.scrollLeft||b.scrollLeft)-(f.clientLeft||b.clientLeft||0)}}:function(a){var b=
+this[0];if(a)return this.each(function(r){c.offset.setOffset(this,a,r)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return c.offset.bodyOffset(b);c.offset.initialize();var d=b.offsetParent,f=b,e=b.ownerDocument,j,i=e.documentElement,o=e.body;f=(e=e.defaultView)?e.getComputedStyle(b,null):b.currentStyle;for(var k=b.offsetTop,n=b.offsetLeft;(b=b.parentNode)&&b!==o&&b!==i;){if(c.offset.supportsFixedPosition&&f.position==="fixed")break;j=e?e.getComputedStyle(b,null):b.currentStyle;
+k-=b.scrollTop;n-=b.scrollLeft;if(b===d){k+=b.offsetTop;n+=b.offsetLeft;if(c.offset.doesNotAddBorder&&!(c.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(b.nodeName))){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=d;d=b.offsetParent}if(c.offset.subtractsBorderForOverflowNotVisible&&j.overflow!=="visible"){k+=parseFloat(j.borderTopWidth)||0;n+=parseFloat(j.borderLeftWidth)||0}f=j}if(f.position==="relative"||f.position==="static"){k+=o.offsetTop;n+=o.offsetLeft}if(c.offset.supportsFixedPosition&&
+f.position==="fixed"){k+=Math.max(i.scrollTop,o.scrollTop);n+=Math.max(i.scrollLeft,o.scrollLeft)}return{top:k,left:n}};c.offset={initialize:function(){var a=s.body,b=s.createElement("div"),d,f,e,j=parseFloat(c.curCSS(a,"marginTop",true))||0;c.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"});b.innerHTML="<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";
+a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b);
+c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
+d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
+f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset":
+"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
+e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window);

_static/pygments.css

+.highlight .hll { background-color: #ffffcc }
+.highlight  { background: #eeffcc; }
+.highlight .c { color: #408090; font-style: italic } /* Comment */
+.highlight .err { border: 1px solid #FF0000 } /* Error */
+.highlight .k { color: #007020; font-weight: bold } /* Keyword */
+.highlight .o { color: #666666 } /* Operator */
+.highlight .cm { color: #408090; font-style: italic } /* Comment.Multiline */
+.highlight .cp { color: #007020 } /* Comment.Preproc */
+.highlight .c1 { color: #408090; font-style: italic } /* Comment.Single */
+.highlight .cs { color: #408090; background-color: #fff0f0 } /* Comment.Special */
+.highlight .gd { color: #A00000 } /* Generic.Deleted */
+.highlight .ge { font-style: italic } /* Generic.Emph */
+.highlight .gr { color: #FF0000 } /* Generic.Error */
+.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
+.highlight .gi { color: #00A000 } /* Generic.Inserted */
+.highlight .go { color: #303030 } /* Generic.Output */
+.highlight .gp { color: #c65d09; font-weight: bold } /* Generic.Prompt */
+.highlight .gs { font-weight: bold } /* Generic.Strong */
+.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
+.highlight .gt { color: #0040D0 } /* Generic.Traceback */
+.highlight .kc { color: #007020; font-weight: bold } /* Keyword.Constant */
+.highlight .kd { color: #007020; font-weight: bold } /* Keyword.Declaration */
+.highlight .kn { color: #007020; font-weight: bold } /* Keyword.Namespace */
+.highlight .kp { color: #007020 } /* Keyword.Pseudo */
+.highlight .kr { color: #007020; font-weight: bold } /* Keyword.Reserved */
+.highlight .kt { color: #902000 } /* Keyword.Type */
+.highlight .m { color: #208050 } /* Literal.Number */
+.highlight .s { color: #4070a0 } /* Literal.String */
+.highlight .na { color: #4070a0 } /* Name.Attribute */
+.highlight .nb { color: #007020 } /* Name.Builtin */
+.highlight .nc { color: #0e84b5; font-weight: bold } /* Name.Class */
+.highlight .no { color: #60add5 } /* Name.Constant */
+.highlight .nd { color: #555555; font-weight: bold } /* Name.Decorator */
+.highlight .ni { color: #d55537; font-weight: bold } /* Name.Entity */
+.highlight .ne { color: #007020 } /* Name.Exception */
+.highlight .nf { color: #06287e } /* Name.Function */
+.highlight .nl { color: #002070; font-weight: bold } /* Name.Label */
+.highlight .nn { color: #0e84b5; font-weight: bold } /* Name.Namespace */
+.highlight .nt { color: #062873; font-weight: bold } /* Name.Tag */
+.highlight .nv { color: #bb60d5 } /* Name.Variable */
+.highlight .ow { color: #007020; font-weight: bold } /* Operator.Word */
+.highlight .w { color: #bbbbbb } /* Text.Whitespace */
+.highlight .mf { color: #208050 } /* Literal.Number.Float */
+.highlight .mh { color: #208050 } /* Literal.Number.Hex */
+.highlight .mi { color: #208050 } /* Literal.Number.Integer */
+.highlight .mo { color: #208050 } /* Literal.Number.Oct */
+.highlight .sb { color: #4070a0 } /* Literal.String.Backtick */
+.highlight .sc { color: #4070a0 } /* Literal.String.Char */
+.highlight .sd { color: #4070a0; font-style: italic } /* Literal.String.Doc */
+.highlight .s2 { color: #4070a0 } /* Literal.String.Double */
+.highlight .se { color: #4070a0; font-weight: bold } /* Literal.String.Escape */
+.highlight .sh { color: #4070a0 } /* Literal.String.Heredoc */
+.highlight .si { color: #70a0d0; font-style: italic } /* Literal.String.Interpol */
+.highlight .sx { color: #c65d09 } /* Literal.String.Other */
+.highlight .sr { color: #235388 } /* Literal.String.Regex */
+.highlight .s1 { color: #4070a0 } /* Literal.String.Single */
+.highlight .ss { color: #517918 } /* Literal.String.Symbol */
+.highlight .bp { color: #007020 } /* Name.Builtin.Pseudo */
+.highlight .vc { color: #bb60d5 } /* Name.Variable.Class */
+.highlight .vg { color: #bb60d5 } /* Name.Variable.Global */
+.highlight .vi { color: #bb60d5 } /* Name.Variable.Instance */
+.highlight .il { color: #208050 } /* Literal.Number.Integer.Long */
\ No newline at end of file

_static/searchtools.js

+/*
+ * searchtools.js_t
+ * ~~~~~~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilties for the full-text search.
+ *
+ * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/**
+ * helper function to return a node containing the
+ * search summary for a given text. keywords is a list
+ * of stemmed words, hlwords is the list of normal, unstemmed
+ * words. the first one is used to find the occurance, the
+ * latter for highlighting it.
+ */
+
+jQuery.makeSearchSummary = function(text, keywords, hlwords) {
+  var textLower = text.toLowerCase();
+  var start = 0;
+  $.each(keywords, function() {
+    var i = textLower.indexOf(this.toLowerCase());
+    if (i > -1)
+      start = i;
+  });
+  start = Math.max(start - 120, 0);
+  var excerpt = ((start > 0) ? '...' : '') +
+  $.trim(text.substr(start, 240)) +
+  ((start + 240 - text.length) ? '...' : '');
+  var rv = $('<div class="context"></div>').text(excerpt);
+  $.each(hlwords, function() {
+    rv = rv.highlightText(this, 'highlighted');
+  });
+  return rv;
+}
+
+
+/**
+ * Porter Stemmer
+ */
+var Stemmer = function() {
+
+  var step2list = {
+    ational: 'ate',
+    tional: 'tion',
+    enci: 'ence',
+    anci: 'ance',
+    izer: 'ize',
+    bli: 'ble',
+    alli: 'al',
+    entli: 'ent',
+    eli: 'e',
+    ousli: 'ous',
+    ization: 'ize',
+    ation: 'ate',
+    ator: 'ate',
+    alism: 'al',
+    iveness: 'ive',
+    fulness: 'ful',
+    ousness: 'ous',
+    aliti: 'al',
+    iviti: 'ive',
+    biliti: 'ble',
+    logi: 'log'
+  };
+
+  var step3list = {
+    icate: 'ic',
+    ative: '',
+    alize: 'al',
+    iciti: 'ic',
+    ical: 'ic',
+    ful: '',
+    ness: ''
+  };
+
+  var c = "[^aeiou]";          // consonant
+  var v = "[aeiouy]";          // vowel
+  var C = c + "[^aeiouy]*";    // consonant sequence
+  var V = v + "[aeiou]*";      // vowel sequence
+
+  var mgr0 = "^(" + C + ")?" + V + C;                      // [C]VC... is m>0
+  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$";    // [C]VC[V] is m=1
+  var mgr1 = "^(" + C + ")?" + V + C + V + C;              // [C]VCVC... is m>1
+  var s_v   = "^(" + C + ")?" + v;                         // vowel in stem
+
+  this.stemWord = function (w) {
+    var stem;
+    var suffix;
+    var firstch;
+    var origword = w;
+
+    if (w.length < 3)
+      return w;
+
+    var re;
+    var re2;
+    var re3;
+    var re4;
+
+    firstch = w.substr(0,1);
+    if (firstch == "y")
+      w = firstch.toUpperCase() + w.substr(1);
+
+    // Step 1a
+    re = /^(.+?)(ss|i)es$/;
+    re2 = /^(.+?)([^s])s$/;
+
+    if (re.test(w))
+      w = w.replace(re,"$1$2");
+    else if (re2.test(w))
+      w = w.replace(re2,"$1$2");
+
+    // Step 1b
+    re = /^(.+?)eed$/;
+    re2 = /^(.+?)(ed|ing)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      re = new RegExp(mgr0);
+      if (re.test(fp[1])) {
+        re = /.$/;
+        w = w.replace(re,"");
+      }
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1];
+      re2 = new RegExp(s_v);
+      if (re2.test(stem)) {
+        w = stem;
+        re2 = /(at|bl|iz)$/;
+        re3 = new RegExp("([^aeiouylsz])\\1$");
+        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+        if (re2.test(w))
+          w = w + "e";
+        else if (re3.test(w)) {
+          re = /.$/;
+          w = w.replace(re,"");
+        }
+        else if (re4.test(w))
+          w = w + "e";
+      }
+    }
+
+    // Step 1c
+    re = /^(.+?)y$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(s_v);
+      if (re.test(stem))
+        w = stem + "i";
+    }
+
+    // Step 2
+    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step2list[suffix];
+    }
+
+    // Step 3
+    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step3list[suffix];
+    }
+
+    // Step 4
+    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
+    re2 = /^(.+?)(s|t)(ion)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      if (re.test(stem))
+        w = stem;
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1] + fp[2];
+      re2 = new RegExp(mgr1);
+      if (re2.test(stem))
+        w = stem;
+    }
+
+    // Step 5
+    re = /^(.+?)e$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      re2 = new RegExp(meq1);
+      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
+        w = stem;
+    }
+    re = /ll$/;
+    re2 = new RegExp(mgr1);
+    if (re.test(w) && re2.test(w)) {
+      re = /.$/;
+      w = w.replace(re,"");
+    }
+
+    // and turn initial Y back to y
+    if (firstch == "y")
+      w = firstch.toLowerCase() + w.substr(1);
+    return w;
+  }
+}
+
+
+/**
+ * Search Module
+ */
+var Search = {
+
+  _index : null,
+  _queued_query : null,
+  _pulse_status : -1,
+
+  init : function() {
+      var params = $.getQueryParameters();
+      if (params.q) {
+          var query = params.q[0];
+          $('input[name="q"]')[0].value = query;
+          this.performSearch(query);
+      }
+  },
+
+  loadIndex : function(url) {
+    $.ajax({type: "GET", url: url, data: null, success: null,
+            dataType: "script", cache: true});
+  },
+
+  setIndex : function(index) {
+    var q;
+    this._index = index;
+    if ((q = this._queued_query) !== null) {
+      this._queued_query = null;
+      Search.query(q);
+    }
+  },
+
+  hasIndex : function() {
+      return this._index !== null;
+  },
+
+  deferQuery : function(query) {
+      this._queued_query = query;
+  },
+
+  stopPulse : function() {
+      this._pulse_status = 0;
+  },
+
+  startPulse : function() {
+    if (this._pulse_status >= 0)
+        return;
+    function pulse() {
+      Search._pulse_status = (Search._pulse_status + 1) % 4;
+      var dotString = '';
+      for (var i = 0; i < Search._pulse_status; i++)
+        dotString += '.';
+      Search.dots.text(dotString);
+      if (Search._pulse_status > -1)
+        window.setTimeout(pulse, 500);
+    };
+    pulse();
+  },
+
+  /**
+   * perform a search for something
+   */
+  performSearch : function(query) {
+    // create the required interface elements
+    this.out = $('#search-results');
+    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
+    this.dots = $('<span></span>').appendTo(this.title);
+    this.status = $('<p style="display: none"></p>').appendTo(this.out);
+    this.output = $('<ul class="search"/>').appendTo(this.out);
+
+    $('#search-progress').text(_('Preparing search...'));
+    this.startPulse();
+
+    // index already loaded, the browser was quick!
+    if (this.hasIndex())
+      this.query(query);
+    else
+      this.deferQuery(query);
+  },
+
+  query : function(query) {
+    var stopwords = ["and","then","into","it","as","are","in","if","for","no","there","their","was","is","be","to","that","but","they","not","such","with","by","a","on","these","of","will","this","near","the","or","at"];
+
+    // Stem the searchterms and add them to the correct list
+    var stemmer = new Stemmer();
+    var searchterms = [];
+    var excluded = [];
+    var hlterms = [];
+    var tmp = query.split(/\s+/);
+    var objectterms = [];
+    for (var i = 0; i < tmp.length; i++) {
+      if (tmp[i] != "") {
+          objectterms.push(tmp[i].toLowerCase());
+      }
+
+      if ($u.indexOf(stopwords, tmp[i]) != -1 || tmp[i].match(/^\d+$/) ||
+          tmp[i] == "") {
+        // skip this "word"
+        continue;
+      }
+      // stem the word
+      var word = stemmer.stemWord(tmp[i]).toLowerCase();
+      // select the correct list
+      if (word[0] == '-') {
+        var toAppend = excluded;
+        word = word.substr(1);
+      }
+      else {
+        var toAppend = searchterms;
+        hlterms.push(tmp[i].toLowerCase());
+      }
+      // only add if not already in the list
+      if (!$.contains(toAppend, word))
+        toAppend.push(word);
+    };
+    var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
+
+    // console.debug('SEARCH: searching for:');
+    // console.info('required: ', searchterms);
+    // console.info('excluded: ', excluded);
+
+    // prepare search
+    var filenames = this._index.filenames;
+    var titles = this._index.titles;
+    var terms = this._index.terms;
+    var fileMap = {};
+    var files = null;
+    // different result priorities
+    var importantResults = [];
+    var objectResults = [];
+    var regularResults = [];
+    var unimportantResults = [];
+    $('#search-progress').empty();
+
+    // lookup as object
+    for (var i = 0; i < objectterms.length; i++) {
+      var others = [].concat(objectterms.slice(0,i),
+                             objectterms.slice(i+1, objectterms.length))
+      var results = this.performObjectSearch(objectterms[i], others);
+      // Assume first word is most likely to be the object,
+      // other words more likely to be in description.
+      // Therefore put matches for earlier words first.
+      // (Results are eventually used in reverse order).
+      objectResults = results[0].concat(objectResults);
+      importantResults = results[1].concat(importantResults);
+      unimportantResults = results[2].concat(unimportantResults);
+    }
+
+    // perform the search on the required terms
+    for (var i = 0; i < searchterms.length; i++) {
+      var word = searchterms[i];
+      // no match but word was a required one
+      if ((files = terms[word]) == null)
+        break;
+      if (files.length == undefined) {
+        files = [files];
+      }
+      // create the mapping
+      for (var j = 0; j < files.length; j++) {
+        var file = files[j];
+        if (file in fileMap)
+          fileMap[file].push(word);
+        else
+          fileMap[file] = [word];
+      }
+    }
+
+    // now check if the files don't contain excluded terms
+    for (var file in fileMap) {
+      var valid = true;
+
+      // check if all requirements are matched
+      if (fileMap[file].length != searchterms.length)
+        continue;
+
+      // ensure that none of the excluded terms is in the
+      // search result.
+      for (var i = 0; i < excluded.length; i++) {
+        if (terms[excluded[i]] == file ||
+            $.contains(terms[excluded[i]] || [], file)) {
+          valid = false;
+          break;
+        }
+      }
+
+      // if we have still a valid result we can add it
+      // to the result list
+      if (valid)
+        regularResults.push([filenames[file], titles[file], '', null]);
+    }
+
+    // delete unused variables in order to not waste
+    // memory until list is retrieved completely
+    delete filenames, titles, terms;
+
+    // now sort the regular results descending by title
+    regularResults.sort(function(a, b) {
+      var left = a[1].toLowerCase();
+      var right = b[1].toLowerCase();
+      return (left > right) ? -1 : ((left < right) ? 1 : 0);
+    });
+
+    // combine all results
+    var results = unimportantResults.concat(regularResults)
+      .concat(objectResults).concat(importantResults);
+
+    // print the results
+    var resultCount = results.length;
+    function displayNextItem() {
+      // results left, load the summary and display it
+      if (results.length) {
+        var item = results.pop();
+        var listItem = $('<li style="display:none"></li>');
+        if (DOCUMENTATION_OPTIONS.FILE_SUFFIX == '') {
+          // dirhtml builder
+          var dirname = item[0] + '/';
+          if (dirname.match(/\/index\/$/)) {
+            dirname = dirname.substring(0, dirname.length-6);
+          } else if (dirname == 'index/') {
+            dirname = '';
+          }
+          listItem.append($('<a/>').attr('href',
+            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
+            highlightstring + item[2]).html(item[1]));
+        } else {
+          // normal html builders
+          listItem.append($('<a/>').attr('href',
+            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
+            highlightstring + item[2]).html(item[1]));
+        }
+        if (item[3]) {
+          listItem.append($('<span> (' + item[3] + ')</span>'));
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
+          $.get(DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' +
+                item[0] + '.txt', function(data) {
+            if (data != '') {
+              listItem.append($.makeSearchSummary(data, searchterms, hlterms));
+              Search.output.append(listItem);
+            }
+            listItem.slideDown(5, function() {
+              displayNextItem();
+            });
+          }, "text");
+        } else {
+          // no source available, just display title
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        }
+      }
+      // search finished, update title and status message
+      else {
+        Search.stopPulse();
+        Search.title.text(_('Search Results'));
+        if (!resultCount)
+          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
+        else
+            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
+        Search.status.fadeIn(500);
+      }
+    }
+    displayNextItem();
+  },
+
+  performObjectSearch : function(object, otherterms) {
+    var filenames = this._index.filenames;
+    var objects = this._index.objects;
+    var objnames = this._index.objnames;
+    var titles = this._index.titles;
+
+    var importantResults = [];
+    var objectResults = [];
+    var unimportantResults = [];
+
+    for (var prefix in objects) {
+      for (var name in objects[prefix]) {
+        var fullname = (prefix ? prefix + '.' : '') + name;
+        if (fullname.toLowerCase().indexOf(object) > -1) {
+          var match = objects[prefix][name];
+          var objname = objnames[match[1]][2];
+          var title = titles[match[0]];
+          // If more than one term searched for, we require other words to be
+          // found in the name/title/description
+          if (otherterms.length > 0) {
+            var haystack = (prefix + ' ' + name + ' ' +
+                            objname + ' ' + title).toLowerCase();
+            var allfound = true;
+            for (var i = 0; i < otherterms.length; i++) {
+              if (haystack.indexOf(otherterms[i]) == -1) {
+                allfound = false;
+                break;
+              }
+            }
+            if (!allfound) {
+              continue;
+            }
+          }
+          var descr = objname + _(', in ') + title;
+          anchor = match[3];
+          if (anchor == '')
+            anchor = fullname;
+          else if (anchor == '-')
+            anchor = objnames[match[1]][1] + '-' + fullname;
+          result = [filenames[match[0]], fullname, '#'+anchor, descr];
+          switch (match[2]) {
+          case 1: objectResults.push(result); break;
+          case 0: importantResults.push(result); break;
+          case 2: unimportantResults.push(result); break;
+          }
+        }
+      }
+    }
+
+    // sort results descending
+    objectResults.sort(function(a, b) {
+      return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0);
+    });
+
+    importantResults.sort(function(a, b) {
+      return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0);
+    });
+
+    unimportantResults.sort(function(a, b) {
+      return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0);
+    });
+
+    return [importantResults, objectResults, unimportantResults]
+  }
+}
+
+$(document).ready(function() {
+  Search.init();
+});
\ No newline at end of file

_static/sidebar.js

+/*
+ * sidebar.js
+ * ~~~~~~~~~~
+ *
+ * This script makes the Sphinx sidebar collapsible.
+ *
+ * .sphinxsidebar contains .sphinxsidebarwrapper.  This script adds
+ * in .sphixsidebar, after .sphinxsidebarwrapper, the #sidebarbutton
+ * used to collapse and expand the sidebar.
+ *
+ * When the sidebar is collapsed the .sphinxsidebarwrapper is hidden
+ * and the width of the sidebar and the margin-left of the document
+ * are decreased. When the sidebar is expanded the opposite happens.
+ * This script saves a per-browser/per-session cookie used to
+ * remember the position of the sidebar among the pages.
+ * Once the browser is closed the cookie is deleted and the position
+ * reset to the default (expanded).
+ *
+ * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+$(function() {
+  // global elements used by the functions.
+  // the 'sidebarbutton' element is defined as global after its
+  // creation, in the add_sidebar_button function
+  var bodywrapper = $('.bodywrapper');
+  var sidebar = $('.sphinxsidebar');
+  var sidebarwrapper = $('.sphinxsidebarwrapper');
+
+  // for some reason, the document has no sidebar; do not run into errors
+  if (!sidebar.length) return;
+
+  // original margin-left of the bodywrapper and width of the sidebar
+  // with the sidebar expanded
+  var bw_margin_expanded = bodywrapper.css('margin-left');
+  var ssb_width_expanded = sidebar.width();
+
+  // margin-left of the bodywrapper and width of the sidebar
+  // with the sidebar collapsed
+  var bw_margin_collapsed = '.8em';
+  var ssb_width_collapsed = '.8em';
+
+  // colors used by the current theme
+  var dark_color = $('.related').css('background-color');
+  var light_color = $('.document').css('background-color');
+
+  function sidebar_is_collapsed() {
+    return sidebarwrapper.is(':not(:visible)');
+  }
+
+  function toggle_sidebar() {
+    if (sidebar_is_collapsed())
+      expand_sidebar();
+    else
+      collapse_sidebar();
+  }
+
+  function collapse_sidebar() {
+    sidebarwrapper.hide();
+    sidebar.css('width', ssb_width_collapsed);
+    bodywrapper.css('margin-left', bw_margin_collapsed);
+    sidebarbutton.css({
+        'margin-left': '0',
+        'height': bodywrapper.height()
+    });
+    sidebarbutton.find('span').text('»');
+    sidebarbutton.attr('title', _('Expand sidebar'));
+    document.cookie = 'sidebar=collapsed';
+  }
+
+  function expand_sidebar() {
+    bodywrapper.css('margin-left', bw_margin_expanded);
+    sidebar.css('width', ssb_width_expanded);
+    sidebarwrapper.show();
+    sidebarbutton.css({
+        'margin-left': ssb_width_expanded-12,
+        'height': bodywrapper.height()
+    });
+    sidebarbutton.find('span').text('«');
+    sidebarbutton.attr('title', _('Collapse sidebar'));
+    document.cookie = 'sidebar=expanded';
+  }
+
+  function add_sidebar_button() {
+    sidebarwrapper.css({
+        'float': 'left',
+        'margin-right': '0',
+        'width': ssb_width_expanded - 28
+    });
+    // create the button
+    sidebar.append(
+        '<div id="sidebarbutton"><span>&laquo;</span></div>'
+    );
+    var sidebarbutton = $('#sidebarbutton');
+    light_color = sidebarbutton.css('background-color');
+    // find the height of the viewport to center the '<<' in the page
+    var viewport_height;
+    if (window.innerHeight)
+ 	  viewport_height = window.innerHeight;
+    else
+	  viewport_height = $(window).height();
+    sidebarbutton.find('span').css({
+        'display': 'block',
+        'margin-top': (viewport_height - sidebar.position().top - 20) / 2
+    });
+
+    sidebarbutton.click(toggle_sidebar);
+    sidebarbutton.attr('title', _('Collapse sidebar'));
+    sidebarbutton.css({
+        'color': '#FFFFFF',
+        'border-left': '1px solid ' + dark_color,
+        'font-size': '1.2em',
+        'cursor': 'pointer',
+        'height': bodywrapper.height(),
+        'padding-top': '1px',
+        'margin-left': ssb_width_expanded - 12
+    });
+
+    sidebarbutton.hover(
+      function () {
+          $(this).css('background-color', dark_color);
+      },
+      function () {
+          $(this).css('background-color', light_color);
+      }
+    );
+  }
+
+  function set_position_from_cookie() {
+    if (!document.cookie)
+      return;
+    var items = document.cookie.split(';');
+    for(var k=0; k<items.length; k++) {
+      var key_val = items[k].split('=');
+      var key = key_val[0];
+      if (key == 'sidebar') {
+        var value = key_val[1];
+        if ((value == 'collapsed') && (!sidebar_is_collapsed()))
+          collapse_sidebar();
+        else if ((value == 'expanded') && (sidebar_is_collapsed()))
+          expand_sidebar();
+      }
+    }
+  }
+
+  add_sidebar_button();
+  var sidebarbutton = $('#sidebarbutton');
+  set_position_from_cookie();
+});

_static/underscore.js

+// Underscore.js 0.5.5
+// (c) 2009 Jeremy Ashkenas, DocumentCloud Inc.
+// Underscore is freely distributable under the terms of the MIT license.
+// Portions of Underscore are inspired by or borrowed from Prototype.js,
+// Oliver Steele's Functional, and John Resig's Micro-Templating.
+// For all details and documentation:
+// http://documentcloud.github.com/underscore/
+(function(){var j=this,n=j._,i=function(a){this._wrapped=a},m=typeof StopIteration!=="undefined"?StopIteration:"__break__",b=j._=function(a){return new i(a)};if(typeof exports!=="undefined")exports._=b;var k=Array.prototype.slice,o=Array.prototype.unshift,p=Object.prototype.toString,q=Object.prototype.hasOwnProperty,r=Object.prototype.propertyIsEnumerable;b.VERSION="0.5.5";b.each=function(a,c,d){try{if(a.forEach)a.forEach(c,d);else if(b.isArray(a)||b.isArguments(a))for(var e=0,f=a.length;e<f;e++)c.call(d,
+a[e],e,a);else{var g=b.keys(a);f=g.length;for(e=0;e<f;e++)c.call(d,a[g[e]],g[e],a)}}catch(h){if(h!=m)throw h;}return a};b.map=function(a,c,d){if(a&&b.isFunction(a.map))return a.map(c,d);var e=[];b.each(a,function(f,g,h){e.push(c.call(d,f,g,h))});return e};b.reduce=function(a,c,d,e){if(a&&b.isFunction(a.reduce))return a.reduce(b.bind(d,e),c);b.each(a,function(f,g,h){c=d.call(e,c,f,g,h)});return c};b.reduceRight=function(a,c,d,e){if(a&&b.isFunction(a.reduceRight))return a.reduceRight(b.bind(d,e),c);
+var f=b.clone(b.toArray(a)).reverse();b.each(f,function(g,h){c=d.call(e,c,g,h,a)});return c};b.detect=function(a,c,d){var e;b.each(a,function(f,g,h){if(c.call(d,f,g,h)){e=f;b.breakLoop()}});return e};b.select=function(a,c,d){if(a&&b.isFunction(a.filter))return a.filter(c,d);var e=[];b.each(a,function(f,g,h){c.call(d,f,g,h)&&e.push(f)});return e};b.reject=function(a,c,d){var e=[];b.each(a,function(f,g,h){!c.call(d,f,g,h)&&e.push(f)});return e};b.all=function(a,c,d){c=c||b.identity;if(a&&b.isFunction(a.every))return a.every(c,
+d);var e=true;b.each(a,function(f,g,h){(e=e&&c.call(d,f,g,h))||b.breakLoop()});return e};b.any=function(a,c,d){c=c||b.identity;if(a&&b.isFunction(a.some))return a.some(c,d);var e=false;b.each(a,function(f,g,h){if(e=c.call(d,f,g,h))b.breakLoop()});return e};b.include=function(a,c){if(b.isArray(a))return b.indexOf(a,c)!=-1;var d=false;b.each(a,function(e){if(d=e===c)b.breakLoop()});return d};b.invoke=function(a,c){var d=b.rest(arguments,2);return b.map(a,function(e){return(c?e[c]:e).apply(e,d)})};b.pluck=
+function(a,c){return b.map(a,function(d){return d[c]})};b.max=function(a,c,d){if(!c&&b.isArray(a))return Math.max.apply(Math,a);var e={computed:-Infinity};b.each(a,function(f,g,h){g=c?c.call(d,f,g,h):f;g>=e.computed&&(e={value:f,computed:g})});return e.value};b.min=function(a,c,d){if(!c&&b.isArray(a))return Math.min.apply(Math,a);var e={computed:Infinity};b.each(a,function(f,g,h){g=c?c.call(d,f,g,h):f;g<e.computed&&(e={value:f,computed:g})});return e.value};b.sortBy=function(a,c,d){return b.pluck(b.map(a,
+function(e,f,g){return{value:e,criteria:c.call(d,e,f,g)}}).sort(function(e,f){e=e.criteria;f=f.criteria;return e<f?-1:e>f?1:0}),"value")};b.sortedIndex=function(a,c,d){d=d||b.identity;for(var e=0,f=a.length;e<f;){var g=e+f>>1;d(a[g])<d(c)?(e=g+1):(f=g)}return e};b.toArray=function(a){if(!a)return[];if(a.toArray)return a.toArray();if(b.isArray(a))return a;if(b.isArguments(a))return k.call(a);return b.values(a)};b.size=function(a){return b.toArray(a).length};b.first=function(a,c,d){return c&&!d?k.call(a,
+0,c):a[0]};b.rest=function(a,c,d){return k.call(a,b.isUndefined(c)||d?1:c)};b.last=function(a){return a[a.length-1]};b.compact=function(a){return b.select(a,function(c){return!!c})};b.flatten=function(a){return b.reduce(a,[],function(c,d){if(b.isArray(d))return c.concat(b.flatten(d));c.push(d);return c})};b.without=function(a){var c=b.rest(arguments);return b.select(a,function(d){return!b.include(c,d)})};b.uniq=function(a,c){return b.reduce(a,[],function(d,e,f){if(0==f||(c===true?b.last(d)!=e:!b.include(d,
+e)))d.push(e);return d})};b.intersect=function(a){var c=b.rest(arguments);return b.select(b.uniq(a),function(d){return b.all(c,function(e){return b.indexOf(e,d)>=0})})};b.zip=function(){for(var a=b.toArray(arguments),c=b.max(b.pluck(a,"length")),d=new Array(c),e=0;e<c;e++)d[e]=b.pluck(a,String(e));return d};b.indexOf=function(a,c){if(a.indexOf)return a.indexOf(c);for(var d=0,e=a.length;d<e;d++)if(a[d]===c)return d;return-1};b.lastIndexOf=function(a,c){if(a.lastIndexOf)return a.lastIndexOf(c);for(var d=
+a.length;d--;)if(a[d]===c)return d;return-1};b.range=function(a,c,d){var e=b.toArray(arguments),f=e.length<=1;a=f?0:e[0];c=f?e[0]:e[1];d=e[2]||1;e=Math.ceil((c-a)/d);if(e<=0)return[];e=new Array(e);f=a;for(var g=0;1;f+=d){if((d>0?f-c:c-f)>=0)return e;e[g++]=f}};b.bind=function(a,c){var d=b.rest(arguments,2);return function(){return a.apply(c||j,d.concat(b.toArray(arguments)))}};b.bindAll=function(a){var c=b.rest(arguments);if(c.length==0)c=b.functions(a);b.each(c,function(d){a[d]=b.bind(a[d],a)});
+return a};b.delay=function(a,c){var d=b.rest(arguments,2);return setTimeout(function(){return a.apply(a,d)},c)};b.defer=function(a){return b.delay.apply(b,[a,1].concat(b.rest(arguments)))};b.wrap=function(a,c){return function(){var d=[a].concat(b.toArray(arguments));return c.apply(c,d)}};b.compose=function(){var a=b.toArray(arguments);return function(){for(var c=b.toArray(arguments),d=a.length-1;d>=0;d--)c=[a[d].apply(this,c)];return c[0]}};b.keys=function(a){if(b.isArray(a))return b.range(0,a.length);
+var c=[];for(var d in a)q.call(a,d)&&c.push(d);return c};b.values=function(a){return b.map(a,b.identity)};b.functions=function(a){return b.select(b.keys(a),function(c){return b.isFunction(a[c])}).sort()};b.extend=function(a,c){for(var d in c)a[d]=c[d];return a};b.clone=function(a){if(b.isArray(a))return a.slice(0);return b.extend({},a)};b.tap=function(a,c){c(a);return a};b.isEqual=function(a,c){if(a===c)return true;var d=typeof a;if(d!=typeof c)return false;if(a==c)return true;if(!a&&c||a&&!c)return false;
+if(a.isEqual)return a.isEqual(c);if(b.isDate(a)&&b.isDate(c))return a.getTime()===c.getTime();if(b.isNaN(a)&&b.isNaN(c))return true;if(b.isRegExp(a)&&b.isRegExp(c))return a.source===c.source&&a.global===c.global&&a.ignoreCase===c.ignoreCase&&a.multiline===c.multiline;if(d!=="object")return false;if(a.length&&a.length!==c.length)return false;d=b.keys(a);var e=b.keys(c);if(d.length!=e.length)return false;for(var f in a)if(!b.isEqual(a[f],c[f]))return false;return true};b.isEmpty=function(a){return b.keys(a).length==
+0};b.isElement=function(a){return!!(a&&a.nodeType==1)};b.isArray=function(a){return!!(a&&a.concat&&a.unshift)};b.isArguments=function(a){return a&&b.isNumber(a.length)&&!b.isArray(a)&&!r.call(a,"length")};b.isFunction=function(a){return!!(a&&a.constructor&&a.call&&a.apply)};b.isString=function(a){return!!(a===""||a&&a.charCodeAt&&a.substr)};b.isNumber=function(a){return p.call(a)==="[object Number]"};b.isDate=function(a){return!!(a&&a.getTimezoneOffset&&a.setUTCFullYear)};b.isRegExp=function(a){return!!(a&&
+a.test&&a.exec&&(a.ignoreCase||a.ignoreCase===false))};b.isNaN=function(a){return b.isNumber(a)&&isNaN(a)};b.isNull=function(a){return a===null};b.isUndefined=function(a){return typeof a=="undefined"};b.noConflict=function(){j._=n;return this};b.identity=function(a){return a};b.breakLoop=function(){throw m;};var s=0;b.uniqueId=function(a){var c=s++;return a?a+c:c};b.template=function(a,c){a=new Function("obj","var p=[],print=function(){p.push.apply(p,arguments);};with(obj){p.push('"+a.replace(/[\r\t\n]/g,
+" ").replace(/'(?=[^%]*%>)/g,"\t").split("'").join("\\'").split("\t").join("'").replace(/<%=(.+?)%>/g,"',$1,'").split("<%").join("');").split("%>").join("p.push('")+"');}return p.join('');");return c?a(c):a};b.forEach=b.each;b.foldl=b.inject=b.reduce;b.foldr=b.reduceRight;b.filter=b.select;b.every=b.all;b.some=b.any;b.head=b.first;b.tail=b.rest;b.methods=b.functions;var l=function(a,c){return c?b(a).chain():a};b.each(b.functions(b),function(a){var c=b[a];i.prototype[a]=function(){var d=b.toArray(arguments);
+o.call(d,this._wrapped);return l(c.apply(b,d),this._chain)}});b.each(["pop","push","reverse","shift","sort","splice","unshift"],function(a){var c=Array.prototype[a];i.prototype[a]=function(){c.apply(this._wrapped,arguments);return l(this._wrapped,this._chain)}});b.each(["concat","join","slice"],function(a){var c=Array.prototype[a];i.prototype[a]=function(){return l(c.apply(this._wrapped,arguments),this._chain)}});i.prototype.chain=function(){this._chain=true;return this};i.prototype.value=function(){return this._wrapped}})();

_static/websupport.js

+/*
+ * websupport.js
+ * ~~~~~~~~~~~~~
+ *
+ * sphinx.websupport utilties for all documentation.
+ *
+ * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+(function($) {
+  $.fn.autogrow = function() {
+    return this.each(function() {
+    var textarea = this;
+
+    $.fn.autogrow.resize(textarea);
+
+    $(textarea)
+      .focus(function() {
+        textarea.interval = setInterval(function() {
+          $.fn.autogrow.resize(textarea);
+        }, 500);
+      })
+      .blur(function() {
+        clearInterval(textarea.interval);
+      });
+    });
+  };
+
+  $.fn.autogrow.resize = function(textarea) {
+    var lineHeight = parseInt($(textarea).css('line-height'), 10);
+    var lines = textarea.value.split('\n');
+    var columns = textarea.cols;
+    var lineCount = 0;
+    $.each(lines, function() {
+      lineCount += Math.ceil(this.length / columns) || 1;
+    });
+    var height = lineHeight * (lineCount + 1);
+    $(textarea).css('height', height);
+  };
+})(jQuery);
+
+(function($) {
+  var comp, by;
+
+  function init() {
+    initEvents();
+    initComparator();
+  }
+
+  function initEvents() {
+    $('a.comment-close').live("click", function(event) {
+      event.preventDefault();
+      hide($(this).attr('id').substring(2));
+    });
+    $('a.vote').live("click", function(event) {
+      event.preventDefault();
+      handleVote($(this));
+    });
+    $('a.reply').live("click", function(event) {
+      event.preventDefault();
+      openReply($(this).attr('id').substring(2));
+    });
+    $('a.close-reply').live("click", function(event) {
+      event.preventDefault();
+      closeReply($(this).attr('id').substring(2));
+    });
+    $('a.sort-option').live("click", function(event) {
+      event.preventDefault();
+      handleReSort($(this));
+    });
+    $('a.show-proposal').live("click", function(event) {
+      event.preventDefault();
+      showProposal($(this).attr('id').substring(2));
+    });
+    $('a.hide-proposal').live("click", function(event) {
+      event.preventDefault();
+      hideProposal($(this).attr('id').substring(2));
+    });
+    $('a.show-propose-change').live("click", function(event) {
+      event.preventDefault();
+      showProposeChange($(this).attr('id').substring(2));
+    });
+    $('a.hide-propose-change').live("click", function(event) {
+      event.preventDefault();
+      hideProposeChange($(this).attr('id').substring(2));
+    });
+    $('a.accept-comment').live("click", function(event) {
+      event.preventDefault();
+      acceptComment($(this).attr('id').substring(2));
+    });
+    $('a.delete-comment').live("click", function(event) {
+      event.preventDefault();
+      deleteComment($(this).attr('id').substring(2));
+    });
+    $('a.comment-markup').live("click", function(event) {
+      event.preventDefault();
+      toggleCommentMarkupBox($(this).attr('id').substring(2));
+    });
+  }
+
+  /**
+   * Set comp, which is a comparator function used for sorting and
+   * inserting comments into the list.
+   */
+  function setComparator() {
+    // If the first three letters are "asc", sort in ascending order
+    // and remove the prefix.
+    if (by.substring(0,3) == 'asc') {
+      var i = by.substring(3);
+      comp = function(a, b) { return a[i] - b[i]; };
+    } else {
+      // Otherwise sort in descending order.
+      comp = function(a, b) { return b[by] - a[by]; };
+    }
+
+    // Reset link styles and format the selected sort option.
+    $('a.sel').attr('href', '#').removeClass('sel');
+    $('a.by' + by).removeAttr('href').addClass('sel');
+  }
+
+  /**
+   * Create a comp function. If the user has preferences stored in
+   * the sortBy cookie, use those, otherwise use the default.
+   */
+  function initComparator() {
+    by = 'rating'; // Default to sort by rating.
+    // If the sortBy cookie is set, use that instead.
+    if (document.cookie.length > 0) {
+      var start = document.cookie.indexOf('sortBy=');
+      if (start != -1) {
+        start = start + 7;
+        var end = document.cookie.indexOf(";", start);
+        if (end == -1) {
+          end = document.cookie.length;
+          by = unescape(document.cookie.substring(start, end));
+        }
+      }
+    }
+    setComparator();
+  }
+
+  /**
+   * Show a comment div.
+   */
+  function show(id) {
+    $('#ao' + id).hide();
+    $('#ah' + id).show();
+    var context = $.extend({id: id}, opts);
+    var popup = $(renderTemplate(popupTemplate, context)).hide();
+    popup.find('textarea[name="proposal"]').hide();
+    popup.find('a.by' + by).addClass('sel');
+    var form = popup.find('#cf' + id);
+    form.submit(function(event) {
+      event.preventDefault();
+      addComment(form);
+    });
+    $('#s' + id).after(popup);
+    popup.slideDown('fast', function() {
+      getComments(id);
+    });
+  }
+
+  /**
+   * Hide a comment div.
+   */
+  function hide(id) {
+    $('#ah' + id).hide();
+    $('#ao' + id).show();
+    var div = $('#sc' + id);
+    div.slideUp('fast', function() {
+      div.remove();
+    });
+  }
+
+  /**
+   * Perform an ajax request to get comments for a node
+   * and insert the comments into the comments tree.
+   */
+  function getComments(id) {
+    $.ajax({
+     type: 'GET',
+     url: opts.getCommentsURL,
+     data: {node: id},
+     success: function(data, textStatus, request) {
+       var ul = $('#cl' + id);
+       var speed = 100;
+       $('#cf' + id)
+         .find('textarea[name="proposal"]')
+         .data('source', data.source);
+
+       if (data.comments.length === 0) {
+         ul.html('<li>No comments yet.</li>');
+         ul.data('empty', true);
+       } else {
+         // If there are comments, sort them and put them in the list.
+         var comments = sortComments(data.comments);
+         speed = data.comments.length * 100;
+         appendComments(comments, ul);
+         ul.data('empty', false);
+       }
+       $('#cn' + id).slideUp(speed + 200);
+       ul.slideDown(speed);
+     },
+     error: function(request, textStatus, error) {
+       showError('Oops, there was a problem retrieving the comments.');
+     },
+     dataType: 'json'
+    });
+  }
+
+  /**
+   * Add a comment via ajax and insert the comment into the comment tree.
+   */
+  function addComment(form) {
+    var node_id = form.find('input[name="node"]').val();
+    var parent_id = form.find('input[name="parent"]').val();
+    var text = form.find('textarea[name="comment"]').val();
+    var proposal = form.find('textarea[name="proposal"]').val();
+
+    if (text == '') {
+      showError('Please enter a comment.');
+      return;
+    }
+
+    // Disable the form that is being submitted.
+    form.find('textarea,input').attr('disabled', 'disabled');
+
+    // Send the comment to the server.
+    $.ajax({
+      type: "POST",
+      url: opts.addCommentURL,
+      dataType: 'json',
+      data: {
+        node: node_id,
+        parent: parent_id,
+        text: text,
+        proposal: proposal
+      },
+      success: function(data, textStatus, error) {
+        // Reset the form.
+        if (node_id) {
+          hideProposeChange(node_id);
+        }
+        form.find('textarea')
+          .val('')
+          .add(form.find('input'))
+          .removeAttr('disabled');
+	var ul = $('#cl' + (node_id || parent_id));
+        if (ul.data('empty')) {
+          $(ul).empty();
+          ul.data('empty', false);
+        }
+        insertComment(data.comment);
+        var ao = $('#ao' + node_id);
+        ao.find('img').attr({'src': opts.commentBrightImage});
+        if (node_id) {
+          // if this was a "root" comment, remove the commenting box
+          // (the user can get it back by reopening the comment popup)
+          $('#ca' + node_id).slideUp();
+        }
+      },
+      error: function(request, textStatus, error) {
+        form.find('textarea,input').removeAttr('disabled');
+        showError('Oops, there was a problem adding the comment.');
+      }
+    });
+  }
+
+  /**
+   * Recursively append comments to the main comment list and children
+   * lists, creating the comment tree.
+   */
+  function appendComments(comments, ul) {
+    $.each(comments, function() {
+      var div = createCommentDiv(this);
+      ul.append($(document.createElement('li')).html(div));
+      appendComments(this.children, div.find('ul.comment-children'));
+      // To avoid stagnating data, don't store the comments children in data.
+      this.children = null;
+      div.data('comment', this);
+    });
+  }
+
+  /**
+   * After adding a new comment, it must be inserted in the correct
+   * location in the comment tree.
+   */
+  function insertComment(comment) {
+    var div = createCommentDiv(comment);
+
+    // To avoid stagnating data, don't store the comments children in data.
+    comment.children = null;
+    div.data('comment', comment);
+
+    var ul = $('#cl' + (comment.node || comment.parent));
+    var siblings = getChildren(ul);
+
+    var li = $(document.createElement('li'));
+    li.hide();
+
+    // Determine where in the parents children list to insert this comment.
+    for(i=0; i < siblings.length; i++) {
+      if (comp(comment, siblings[i]) <= 0) {
+        $('#cd' + siblings[i].id)
+          .parent()
+          .before(li.html(div));
+        li.slideDown('fast');
+        return;
+      }
+    }
+
+    // If we get here, this comment rates lower than all the others,
+    // or it is the only comment in the list.
+    ul.append(li.html(div));
+    li.slideDown('fast');
+  }
+
+  function acceptComment(id) {
+    $.ajax({
+      type: 'POST',
+      url: opts.acceptCommentURL,
+      data: {id: id},
+      success: function(data, textStatus, request) {
+        $('#cm' + id).fadeOut('fast');
+        $('#cd' + id).removeClass('moderate');
+      },
+      error: function(request, textStatus, error) {
+        showError('Oops, there was a problem accepting the comment.');
+      }
+    });
+  }
+
+  function deleteComment(id) {
+    $.ajax({
+      type: 'POST',
+      url: opts.deleteCommentURL,
+      data: {id: id},
+      success: function(data, textStatus, request) {
+        var div = $('#cd' + id);
+        if (data == 'delete') {
+          // Moderator mode: remove the comment and all children immediately
+          div.slideUp('fast', function() {
+            div.remove();
+          });
+          return;
+        }
+        // User mode: only mark the comment as deleted
+        div
+          .find('span.user-id:first')
+          .text('[deleted]').end()
+          .find('div.comment-text:first')
+          .text('[deleted]').end()
+          .find('#cm' + id + ', #dc' + id + ', #ac' + id + ', #rc' + id +
+                ', #sp' + id + ', #hp' + id + ', #cr' + id + ', #rl' + id)
+          .remove();
+        var comment = div.data('comment');
+        comment.username = '[deleted]';
+        comment.text = '[deleted]';
+        div.data('comment', comment);
+      },
+      error: function(request, textStatus, error) {
+        showError('Oops, there was a problem deleting the comment.');
+      }
+    });
+  }
+
+  function showProposal(id) {
+    $('#sp' + id).hide();
+    $('#hp' + id).show();
+    $('#pr' + id).slideDown('fast');
+  }
+
+  function hideProposal(id) {
+    $('#hp' + id).hide();
+    $('#sp' + id).show();
+    $('#pr' + id).slideUp('fast');
+  }
+
+  function showProposeChange(id) {
+    $('#pc' + id).hide();
+    $('#hc' + id).show();
+    var textarea = $('#pt' + id);
+    textarea.val(textarea.data('source'));
+    $.fn.autogrow.resize(textarea[0]);
+    textarea.slideDown('fast');
+  }
+
+  function hideProposeChange(id) {
+    $('#hc' + id).hide();
+    $('#pc' + id).show();
+    var textarea = $('#pt' + id);
+    textarea.val('').removeAttr('disabled');
+    textarea.slideUp('fast');
+  }
+
+  function toggleCommentMarkupBox(id) {
+    $('#mb' + id).toggle();
+  }
+
+  /** Handle when the user clicks on a sort by link. */
+  function handleReSort(link) {
+    var classes = link.attr('class').split(/\s+/);
+    for (var i=0; i<classes.length; i++) {
+      if (classes[i] != 'sort-option') {
+	by = classes[i].substring(2);
+      }
+    }
+    setComparator();
+    // Save/update the sortBy cookie.
+    var expiration = new Date();
+    expiration.setDate(expiration.getDate() + 365);
+    document.cookie= 'sortBy=' + escape(by) +
+                     ';expires=' + expiration.toUTCString();
+    $('ul.comment-ul').each(function(index, ul) {
+      var comments = getChildren($(ul), true);
+      comments = sortComments(comments);
+      appendComments(comments, $(ul).empty());
+    });
+  }
+
+  /**
+   * Function to process a vote when a user clicks an arrow.
+   */
+  function handleVote(link) {
+    if (!opts.voting) {
+      showError("You'll need to login to vote.");
+      return;
+    }
+
+    var id = link.attr('id');
+    if (!id) {
+      // Didn't click on one of the voting arrows.
+      return;
+    }
+    // If it is an unvote, the new vote value is 0,
+    // Otherwise it's 1 for an upvote, or -1 for a downvote.
+    var value = 0;
+    if (id.charAt(1) != 'u') {
+      value = id.charAt(0) == 'u' ? 1 : -1;
+    }
+    // The data to be sent to the server.
+    var d = {
+      comment_id: id.substring(2),
+      value: value
+    };
+
+    // Swap the vote and unvote links.
+    link.hide();
+    $('#' + id.charAt(0) + (id.charAt(1) == 'u' ? 'v' : 'u') + d.comment_id)
+      .show();
+
+    // The div the comment is displayed in.
+    var div = $('div#cd' + d.comment_id);
+    var data = div.data('comment');
+
+    // If this is not an unvote, and the other vote arrow has
+    // already been pressed, unpress it.
+    if ((d.value !== 0) && (data.vote === d.value * -1)) {
+      $('#' + (d.value == 1 ? 'd' : 'u') + 'u' + d.comment_id).hide();
+      $('#' + (d.value == 1 ? 'd' : 'u') + 'v' + d.comment_id).show();
+    }
+
+    // Update the comments rating in the local data.
+    data.rating += (data.vote === 0) ? d.value : (d.value - data.vote);
+    data.vote = d.value;
+    div.data('comment', data);
+
+    // Change the rating text.
+    div.find('.rating:first')
+      .text(data.rating + ' point' + (data.rating == 1 ? '' : 's'));
+
+    // Send the vote information to the server.
+    $.ajax({
+      type: "POST",
+      url: opts.processVoteURL,
+      data: d,
+      error: function(request, textStatus, error) {
+        showError('Oops, there was a problem casting that vote.');
+      }
+    });
+  }
+
+  /**
+   * Open a reply form used to reply to an existing comment.
+   */
+  function openReply(id) {
+    // Swap out the reply link for the hide link
+    $('#rl' + id).hide();
+    $('#cr' + id).show();
+
+    // Add the reply li to the children ul.
+    var div = $(renderTemplate(replyTemplate, {id: id})).hide();
+    $('#cl' + id)
+      .prepend(div)
+      // Setup the submit handler for the reply form.
+      .find('#rf' + id)
+      .submit(function(event) {
+        event.preventDefault();
+        addComment($('#rf' + id));
+        closeReply(id);
+      })
+      .find('input[type=button]')
+      .click(function() {
+        closeReply(id);
+      });
+    div.slideDown('fast', function() {
+      $('#rf' + id).find('textarea').focus();
+    });
+  }
+
+  /**
+   * Close the reply form opened with openReply.
+   */
+  function closeReply(id) {
+    // Remove the reply div from the DOM.
+    $('#rd' + id).slideUp('fast', function() {
+      $(this).remove();
+    });
+
+    // Swap out the hide link for the reply link
+    $('#cr' + id).hide();
+    $('#rl' + id).show();
+  }
+
+  /**
+   * Recursively sort a tree of comments using the comp comparator.
+   */
+  function sortComments(comments) {
+    comments.sort(comp);
+    $.each(comments, function() {
+      this.children = sortComments(this.children);
+    });
+    return comments;
+  }
+
+  /**
+   * Get the children comments from a ul. If recursive is true,
+   * recursively include childrens' children.
+   */
+  function getChildren(ul, recursive) {
+    var children = [];
+    ul.children().children("[id^='cd']")
+      .each(function() {
+        var comment = $(this).data('comment');
+        if (recursive)
+          comment.children = getChildren($(this).find('#cl' + comment.id), true);
+        children.push(comment);
+      });
+    return children;
+  }
+
+  /** Create a div to display a comment in. */
+  function createCommentDiv(comment) {
+    if (!comment.displayed && !opts.moderator) {
+      return $('<div class="moderate">Thank you!  Your comment will show up '
+               + 'once it is has been approved by a moderator.</div>');
+    }
+    // Prettify the comment rating.
+    comment.pretty_rating = comment.rating + ' point' +
+      (comment.rating == 1 ? '' : 's');
+    // Make a class (for displaying not yet moderated comments differently)
+    comment.css_class = comment.displayed ? '' : ' moderate';
+    // Create a div for this comment.
+    var context = $.extend({}, opts, comment);
+    var div = $(renderTemplate(commentTemplate, context));
+
+    // If the user has voted on this comment, highlight the correct arrow.
+    if (comment.vote) {
+      var direction = (comment.vote == 1) ? 'u' : 'd';
+      div.find('#' + direction + 'v' + comment.id).hide();
+      div.find('#' + direction + 'u' + comment.id).show();
+    }
+
+    if (opts.moderator || comment.text != '[deleted]') {
+      div.find('a.reply').show();
+      if (comment.proposal_diff)
+        div.find('#sp' + comment.id).show();
+      if (opts.moderator && !comment.displayed)
+        div.find('#cm' + comment.id).show();
+      if (opts.moderator || (opts.username == comment.username))
+        div.find('#dc' + comment.id).show();
+    }
+    return div;
+  }
+
+  /**
+   * A simple template renderer. Placeholders such as <%id%> are replaced
+   * by context['id'] with items being escaped. Placeholders such as <#id#>
+   * are not escaped.
+   */
+  function renderTemplate(template, context) {
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+            
+  <div class="section" id="argument-validation">
+<h1>Argument validation<a class="headerlink" href="#argument-validation" title="Permalink to this headline">¶</a></h1>
+<p>CorePost integrates the popular &#8216;formencode&#8217; package to implement form and query argument validation.
+Validators can be specified using a <em>formencode</em> Schema object, or via custom field-specific validators.</p>
+<p>Example:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">corepost.web</span> <span class="kn">import</span> <span class="n">validate</span><span class="p">,</span> <span class="n">route</span>
+<span class="kn">from</span> <span class="nn">corepost.enums</span> <span class="kn">import</span> <span class="n">Http</span>
+<span class="kn">from</span> <span class="nn">formencode</span> <span class="kn">import</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">validators</span>
+
+<span class="k">class</span> <span class="nc">TestSchema</span><span class="p">(</span><span class="n">Schema</span><span class="p">):</span>
+    <span class="n">allow_extra_fields</span> <span class="o">=</span> <span class="bp">True</span>
+    <span class="n">childId</span> <span class="o">=</span> <span class="n">validators</span><span class="o">.</span><span class="n">Regex</span><span class="p">(</span><span class="n">regex</span><span class="o">=</span><span class="s">&quot;^value1|value2$&quot;</span><span class="p">)</span>
+
+<span class="k">class</span> <span class="nc">MyApp</span><span class="p">():</span>
+
+        <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/validate/&lt;int:rootId&gt;/schema&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">)</span>
+        <span class="nd">@validate</span><span class="p">(</span><span class="n">schema</span><span class="o">=</span><span class="n">TestSchema</span><span class="p">())</span>
+        <span class="k">def</span> <span class="nf">postValidateSchema</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">rootId</span><span class="p">,</span><span class="n">childId</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+            <span class="sd">&#39;&#39;&#39;Validate using a common schema&#39;&#39;&#39;</span>
+            <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s"> - </span><span class="si">%s</span><span class="s"> - </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">rootId</span><span class="p">,</span><span class="n">childId</span><span class="p">,</span><span class="n">kwargs</span><span class="p">)</span>
+
+        <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/validate/&lt;int:rootId&gt;/custom&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">)</span>
+        <span class="nd">@validate</span><span class="p">(</span><span class="n">childId</span><span class="o">=</span><span class="n">validators</span><span class="o">.</span><span class="n">Regex</span><span class="p">(</span><span class="n">regex</span><span class="o">=</span><span class="s">&quot;^value1|value2$&quot;</span><span class="p">))</span>
+        <span class="k">def</span> <span class="nf">postValidateCustom</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">rootId</span><span class="p">,</span><span class="n">childId</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+            <span class="sd">&#39;&#39;&#39;Validate using argument-specific validators&#39;&#39;&#39;</span>
+            <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s"> - </span><span class="si">%s</span><span class="s"> - </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">rootId</span><span class="p">,</span><span class="n">childId</span><span class="p">,</span><span class="n">kwargs</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>Please see the <em>FormEncode</em> documentation:</p>
+<p><a class="reference external" href="http://www.formencode.org/en/latest/Validator.html">http://www.formencode.org/en/latest/Validator.html</a></p>
+<p>for list of available validators:</p>
+<ul class="simple">
+<li>Common : <a class="reference external" href="http://www.formencode.org/en/latest/modules/validators.html#module-formencode.validators">http://www.formencode.org/en/latest/modules/validators.html#module-formencode.validators</a></li>
+<li>National : <a class="reference external" href="http://www.formencode.org/en/latest/modules/national.html#module-formencode.national">http://www.formencode.org/en/latest/modules/national.html#module-formencode.national</a></li>
+</ul>
+</div>
+
+
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+            
+  <div class="section" id="asynchronous-operations">
+<h1>Asynchronous Operations<a class="headerlink" href="#asynchronous-operations" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="defer-inlinecallbacks-support">
+<h2>&#64;defer.inlineCallbacks support<a class="headerlink" href="#defer-inlinecallbacks-support" title="Permalink to this headline">¶</a></h2>
+<p>If you want a deferred async method, just use <em>defer.returnValue()</em>:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+<span class="nd">@defer.inlineCallbacks</span>
+<span class="k">def</span> <span class="nf">root</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="n">val1</span> <span class="o">=</span> <span class="k">yield</span> <span class="n">db</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="s">&quot;SELECT ....&quot;</span><span class="p">)</span>
+        <span class="n">val2</span> <span class="o">=</span> <span class="k">yield</span> <span class="n">db</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="s">&quot;SELECT ....&quot;</span><span class="p">)</span>
+        <span class="n">defer</span><span class="o">.</span><span class="n">returnValue</span><span class="p">(</span><span class="n">val1</span> <span class="o">+</span> <span class="n">val2</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>This is standard Twisted functionality.</p>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+  <h3><a href="index.html">Table Of Contents</a></h3>
+  <ul>
+<li><a class="reference internal" href="#">Asynchronous Operations</a><ul>
+<li><a class="reference internal" href="#defer-inlinecallbacks-support">&#64;defer.inlineCallbacks support</a></li>
+</ul>
+</li>
+</ul>
+
+  <h4>Previous topic</h4>
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+                        title="previous chapter">HTTP codes</a></p>
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+                        title="next chapter">Modular REST applications</a></p>
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+          <a href="genindex.html" title="General Index"
+             accesskey="I">index</a></li>
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+             accesskey="N">next</a> |</li>
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+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body">
+            
+  <div class="section" id="content-types">
+<h1>Content types<a class="headerlink" href="#content-types" title="Permalink to this headline">¶</a></h1>
+<p>CorePost integrates support for JSON, YAML and XML (partially) based on request content types.</p>
+<div class="section" id="parsing-of-incoming-content">
+<h2>Parsing of incoming content<a class="headerlink" href="#parsing-of-incoming-content" title="Permalink to this headline">¶</a></h2>
+<p>Based on the incoming content type in POST/PUT requests,
+the body will be automatically parsed to JSON, YAML and XML (ElementTree)</p>
+<ul class="simple">
+<li>request.json</li>
+<li>request.yaml</li>
+<li>request.xml</li>
+</ul>
+<p>and attached to the request:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/json&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_json</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/xml&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_xml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">ElementTree</span><span class="o">.</span><span class="n">tostring</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">xml</span><span class="p">)</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/yaml&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_yaml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">yaml</span><span class="o">.</span><span class="n">dump</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">yaml</span><span class="p">)</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="converting-python-objects-to-expected-content-type">
+<h2>Converting Python objects to expected content type<a class="headerlink" href="#converting-python-objects-to-expected-content-type" title="Permalink to this headline">¶</a></h2>
+<p>Instead of returning string responses, the code can just return Python objects.
+Depending whether the caller can accept JSON (default) or YAML, the Python objects will be automatically converted:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/return/by/accept&quot;</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test_return_content_by_accepts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="n">val</span> <span class="o">=</span> <span class="p">[{</span><span class="s">&quot;test1&quot;</span><span class="p">:</span><span class="s">&quot;Test1&quot;</span><span class="p">},{</span><span class="s">&quot;test2&quot;</span><span class="p">:</span><span class="s">&quot;Test2&quot;</span><span class="p">}]</span>
+    <span class="k">return</span> <span class="n">val</span>
+</pre></div>
+</div>
+<p>Calling this URL with &#8220;Accept: application/json&#8221; will return:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="p">[{</span><span class="s">&quot;test1&quot;</span><span class="p">:</span> <span class="s">&quot;Test1&quot;</span><span class="p">},</span> <span class="p">{</span><span class="s">&quot;test2&quot;</span><span class="p">:</span> <span class="s">&quot;Test2&quot;</span><span class="p">}]</span>
+</pre></div>
+</div>
+<p>Calling it with &#8220;Accept: text/yaml&#8221; will return:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="o">-</span> <span class="p">{</span><span class="n">test1</span><span class="p">:</span> <span class="n">Test1</span><span class="p">}</span>
+<span class="o">-</span> <span class="p">{</span><span class="n">test2</span><span class="p">:</span> <span class="n">Test2</span><span class="p">}</span>
+</pre></div>
+</div>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+  <h3><a href="index.html">Table Of Contents</a></h3>
+  <ul>
+<li><a class="reference internal" href="#">Content types</a><ul>
+<li><a class="reference internal" href="#parsing-of-incoming-content">Parsing of incoming content</a></li>
+<li><a class="reference internal" href="#converting-python-objects-to-expected-content-type">Converting Python objects to expected content type</a></li>
+</ul>
+</li>
+</ul>
+
+  <h4>Previous topic</h4>
+  <p class="topless"><a href="arguments.html"
+                        title="previous chapter">Argument validation</a></p>
+  <h4>Next topic</h4>
+  <p class="topless"><a href="filters.html"
+                        title="next chapter">Filters</a></p>
+  <h3>This Page</h3>
+  <ul class="this-page-menu">
+    <li><a href="_sources/content_types.txt"
+           rel="nofollow">Show Source</a></li>
+  </ul>
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+    <form class="search" action="search.html" method="get">
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+             >index</a></li>
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+        <li class="right" >
+          <a href="arguments.html" title="Argument validation"
+             >previous</a> |</li>
+        <li><a href="index.html">CorePost 0.0.14 documentation</a> &raquo;</li> 
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+</html>
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+
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+    <link rel="top" title="CorePost 0.0.14 documentation" href="index.html" />
+    <link rel="prev" title="Introduction" href="intro.html" /> 
+  </head>
+  <body>
+    <div class="related">
+      <h3>Navigation</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             accesskey="I">index</a></li>
+        <li class="right" >
+          <a href="intro.html" title="Introduction"
+             accesskey="P">previous</a> |</li>
+        <li><a href="index.html">CorePost 0.0.14 documentation</a> &raquo;</li> 
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+
+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body">
+            
+  <div class="section" id="features">
+<h1>Features<a class="headerlink" href="#features" title="Permalink to this headline">¶</a></h1>
+<p>Here is a breakdown of key CorePost features</p>
+<div class="section" id="url-routing">
+<h2>URL Routing<a class="headerlink" href="#url-routing" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="route-decorator">
+<h3>&#64;route decorator<a class="headerlink" href="#route-decorator" title="Permalink to this headline">¶</a></h3>
+<p>Via a simple <em>&#64;route</em> decorator you can automatically route <em>twisted.web</em> Request objects to your class method
+based on URL (with dynamic paths), HTTP method, expected content type, etc:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">corepost.web</span> <span class="kn">import</span> <span class="n">route</span><span class="p">,</span> <span class="n">RESTResource</span>
+<span class="kn">from</span> <span class="nn">corepost.enums</span> <span class="kn">import</span> <span class="n">Http</span>
+
+<span class="k">class</span> <span class="nc">RESTService</span><span class="p">():</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">root</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/test&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">test</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/test/&lt;int:numericid&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">test_get_resources</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">numericid</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">numericid</span>
+
+<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&#39;__main__&#39;</span><span class="p">:</span>
+    <span class="n">app</span> <span class="o">=</span> <span class="n">RESTResource</span><span class="p">((</span><span class="n">RESTService</span><span class="p">,))</span>
+    <span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
+</pre></div>
+</div>
+<p><em>Note</em>:</p>
+<blockquote>
+<div><p>This piece of code:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
+</pre></div>
+</div>
+<p>is just for convenience when showing code samples and writing unit tests.
+In a real production application you would use existing Twisted <em>twistd</em> functionality:</p>
+<ul class="simple">
+<li><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/basics.html">http://twistedmatrix.com/documents/current/core/howto/basics.html</a></li>
+<li><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/application.html">http://twistedmatrix.com/documents/current/core/howto/application.html</a></li>
+<li><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/tap.html">http://twistedmatrix.com/documents/current/core/howto/tap.html</a></li>
+</ul>
+</div></blockquote>
+</div>
+<div class="section" id="path-argument-extraction">
+<h3>Path argument extraction<a class="headerlink" href="#path-argument-extraction" title="Permalink to this headline">¶</a></h3>
+<p>CorePort can easily extract path arguments from an URL and convert them to the desired type.</p>
+<p>The supported types are:</p>
+<ul class="simple">
+<li><em>int</em></li>
+<li><em>float</em></li>
+<li><em>string</em></li>
+</ul>
+<p>Example:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/int/&lt;int:intarg&gt;/float/&lt;float:floatarg&gt;/string/&lt;stringarg&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">intarg</span><span class="p">,</span><span class="n">floatarg</span><span class="p">,</span><span class="n">stringarg</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">pass</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="argument-validation">
+<h3>Argument validation<a class="headerlink" href="#argument-validation" title="Permalink to this headline">¶</a></h3>
+<p>CorePost integrates the popular &#8216;formencode&#8217; package to implement form and query argument validation.
+Validators can be specified using a <em>formencode</em> Schema object, or via custom field-specific validators.</p>
+<p>Example:</p>
+<div class="highlight-python"><pre>from corepost.web import validate, route
+from corepost.enums import Http
+from formencode import Schema, validators
+
+class TestSchema(Schema):
+    allow_extra_fields = True
+    childId = validators.Regex(regex="^value1|value2$")
+
+class MyApp():
+
+        @route("/validate/&lt;int:rootId&gt;/schema",Http.POST)
+        @validate(schema=TestSchema())
+        def postValidateSchema(self,request,rootId,childId,**kwargs):
+            '''Validate using a common schema'''
+            return "%s - %s - %s" % (rootId,childId,kwargs)
+
+        @route("/validate/&lt;int:rootId&gt;/custom",Http.POST)
+        @validate(childId=validators.Regex(regex="^value1|value2$"))
+        def postValidateCustom(self,request,rootId,childId,**kwargs):
+            '''Validate using argument-specific validators'
+            return "%s - %s - %s" % (rootId,childId,kwargs)</pre>
+</div>
+<p>Please see the <em>FormEncode</em> &lt;<a class="reference external" href="http://www.formencode.org/en/latest/Validator.html">http://www.formencode.org/en/latest/Validator.html</a>&gt; documentation
+for list of available validators:</p>
+<ul class="simple">
+<li>Common &lt;<a class="reference external" href="http://www.formencode.org/en/latest/modules/validators.html#module-formencode.validators">http://www.formencode.org/en/latest/modules/validators.html#module-formencode.validators</a>&gt;</li>
+<li>National &lt;<a class="reference external" href="http://www.formencode.org/en/latest/modules/national.html#module-formencode.national">http://www.formencode.org/en/latest/modules/national.html#module-formencode.national</a>&gt;</li>
+</ul>
+</div>
+<div class="section" id="multiple-rest-services-under-a-common-root-url">
+<h3>Multiple REST services under a common root URL<a class="headerlink" href="#multiple-rest-services-under-a-common-root-url" title="Permalink to this headline">¶</a></h3>
+<p>A typical case in REST is where you have parent/child resources (business entities), e.g.</p>
+<div class="highlight-python"><pre>Customer
+
+        Customer Address
+
+        Customer Phone
+
+        Customer Order
+
+                Customer Invoice
+
+                        Customer Invoice Payment</pre>
+</div>
+<p>etc.</p>
+<p>This can create a URL structure like:</p>
+<div class="highlight-python"><pre>/customer
+
+/customer/&lt;customerId&gt;
+
+/customer/&lt;customerId&gt;/address
+
+/customer/&lt;customerId&gt;/address/&lt;addressId&gt;
+
+/customer/&lt;customerId&gt;/phone
+
+/customer/&lt;customerId&gt;/phone/&lt;phoneId&gt;
+
+/customer/&lt;customerId&gt;/invoice
+
+/customer/&lt;customerId&gt;/invoice/&lt;invoiceId&gt;
+
+/customer/&lt;customerId&gt;/invoice/&lt;invoiceId&gt;/payment
+
+/customer/&lt;customerId&gt;/invoice/&lt;invoiceId&gt;/payment/&lt;paymentId&gt;</pre>
+</div>
+<p>CorePost allows you to write small, modular classes that implement a REST service for just a single entity,
+driven by URL paths with dynamic elements in them (e.g. the <em>customerId</em>, <em>invoiceId</em>, <em>paymentId</em> path parameters in the sample above).
+You do not have to mesh all these different entities in a single class.</p>
+<p>At the end, you wrap all of the different REST services in a single <em>RESTResource</em> object (which extends the regular Twisted Web Resource object)
+and it takes care of routing the request to the appropriate class.</p>
+<p>Here is a full-blown example of two REST services for Customer and Customer Address:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">corepost</span> <span class="kn">import</span> <span class="n">Response</span><span class="p">,</span> <span class="n">NotFoundException</span><span class="p">,</span> <span class="n">AlreadyExistsException</span>
+<span class="kn">from</span> <span class="nn">corepost.web</span> <span class="kn">import</span> <span class="n">RESTResource</span><span class="p">,</span> <span class="n">route</span><span class="p">,</span> <span class="n">Http</span>
+
+<span class="k">class</span> <span class="nc">CustomerRESTService</span><span class="p">():</span>
+    <span class="n">path</span> <span class="o">=</span> <span class="s">&quot;/customer&quot;</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">getAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getAllCustomers</span><span class="p">()</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;customerId&gt;&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">post</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">firstName</span><span class="p">,</span><span class="n">lastName</span><span class="p">):</span>
+        <span class="n">customer</span> <span class="o">=</span> <span class="n">Customer</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">firstName</span><span class="p">,</span> <span class="n">lastName</span><span class="p">)</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">saveCustomer</span><span class="p">(</span><span class="n">customer</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">201</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;customerId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">put</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">firstName</span><span class="p">,</span><span class="n">lastName</span><span class="p">):</span>
+        <span class="n">c</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">firstName</span><span class="p">,</span><span class="n">c</span><span class="o">.</span><span class="n">lastName</span><span class="p">)</span> <span class="o">=</span> <span class="p">(</span><span class="n">firstName</span><span class="p">,</span><span class="n">lastName</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;customerId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">delete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">deleteCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">deleteAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">deleteAllCustomers</span><span class="p">()</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+<span class="k">class</span> <span class="nc">CustomerAddressRESTService</span><span class="p">():</span>
+    <span class="n">path</span> <span class="o">=</span> <span class="s">&quot;/customer/&lt;customerId&gt;/address&quot;</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">getAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span><span class="o">.</span><span class="n">addresses</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;addressId&gt;&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomerAddress</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">addressId</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">post</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">,</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">):</span>
+        <span class="n">c</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="n">address</span> <span class="o">=</span> <span class="n">CustomerAddress</span><span class="p">(</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">)</span>
+        <span class="n">c</span><span class="o">.</span><span class="n">addresses</span><span class="p">[</span><span class="n">addressId</span><span class="p">]</span> <span class="o">=</span> <span class="n">address</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">201</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;addressId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">put</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">,</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">):</span>
+        <span class="n">address</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomerAddress</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">addressId</span><span class="p">)</span>
+        <span class="p">(</span><span class="n">address</span><span class="o">.</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">address</span><span class="o">.</span><span class="n">streetName</span><span class="p">,</span><span class="n">address</span><span class="o">.</span><span class="n">stateCode</span><span class="p">,</span><span class="n">address</span><span class="o">.</span><span class="n">countryCode</span><span class="p">)</span> <span class="o">=</span> <span class="p">(</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;addressId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">delete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">):</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">getCustomerAddress</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">addressId</span><span class="p">)</span> <span class="c">#validate address exists</span>
+        <span class="k">del</span><span class="p">(</span><span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span><span class="o">.</span><span class="n">addresses</span><span class="p">[</span><span class="n">addressId</span><span class="p">])</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">deleteAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="n">c</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="n">c</span><span class="o">.</span><span class="n">addresses</span> <span class="o">=</span> <span class="p">{}</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+
+<span class="k">def</span> <span class="nf">run_rest_app</span><span class="p">():</span>
+    <span class="n">app</span> <span class="o">=</span> <span class="n">RESTResource</span><span class="p">((</span><span class="n">CustomerRESTService</span><span class="p">(),</span><span class="n">CustomerAddressRESTService</span><span class="p">()))</span>
+    <span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="mi">8080</span><span class="p">)</span>
+
+<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span>
+    <span class="n">run_rest_app</span><span class="p">()</span>
+</pre></div>
+</div>
+</div>
+</div>
+<div class="section" id="content-types">
+<h2>Content types<a class="headerlink" href="#content-types" title="Permalink to this headline">¶</a></h2>
+<p>CorePost integrates support for JSON, YAML and XML (partially) based on request content types.</p>
+<p><em>Parsing of incoming content</em></p>
+<p>Based on the incoming content type in POST/PUT requests,
+the body will be automatically parsed to JSON, YAML and XML (ElementTree)</p>
+<ul class="simple">
+<li>request.json</li>
+<li>request.yaml</li>
+<li>request.xml</li>
+</ul>
+<p>and attached to the request:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/json&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_json</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">json</span><span class="p">)</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/xml&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_xml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">ElementTree</span><span class="o">.</span><span class="n">tostring</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">xml</span><span class="p">)</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/yaml&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_yaml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">yaml</span><span class="o">.</span><span class="n">dump</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">yaml</span><span class="p">)</span>
+</pre></div>
+</div>
+<div class="section" id="routing-requests-by-incoming-content-type">
+<h3>Routing requests by incoming content type<a class="headerlink" href="#routing-requests-by-incoming-content-type" title="Permalink to this headline">¶</a></h3>
+<p>Based on the incoming content type in POST/PUT requests, the <em>same</em> URL can be hooked up to different router methods:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">),</span><span class="n">MediaType</span><span class="o">.</span><span class="n">APPLICATION_JSON</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test_content_app_json</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="n">HttpHeader</span><span class="o">.</span><span class="n">CONTENT_TYPE</span><span class="p">]</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">),(</span><span class="n">MediaType</span><span class="o">.</span><span class="n">TEXT_XML</span><span class="p">,</span><span class="n">MediaType</span><span class="o">.</span><span class="n">APPLICATION_XML</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_content_xml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="n">HttpHeader</span><span class="o">.</span><span class="n">CONTENT_TYPE</span><span class="p">]</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">),</span><span class="n">MediaType</span><span class="o">.</span><span class="n">TEXT_YAML</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test_content_yaml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="n">HttpHeader</span><span class="o">.</span><span class="n">CONTENT_TYPE</span><span class="p">]</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_content_catch_all</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">MediaType</span><span class="o">.</span><span class="n">WILDCARD</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="converting-python-objects-to-content-type-based-on-what-caller-can-accept">
+<h3>Converting Python objects to content type based on what caller can accept<a class="headerlink" href="#converting-python-objects-to-content-type-based-on-what-caller-can-accept" title="Permalink to this headline">¶</a></h3>
+<p>Instead of returning string responses, the code can just return Python objects.
+Depending whether the caller can accept JSON (default) or YAML, the Python objects will be automatically converted:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/return/by/accept&quot;</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test_return_content_by_accepts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="n">val</span> <span class="o">=</span> <span class="p">[{</span><span class="s">&quot;test1&quot;</span><span class="p">:</span><span class="s">&quot;Test1&quot;</span><span class="p">},{</span><span class="s">&quot;test2&quot;</span><span class="p">:</span><span class="s">&quot;Test2&quot;</span><span class="p">}]</span>
+    <span class="k">return</span> <span class="n">val</span>
+</pre></div>
+</div>
+<p>Calling this URL with &#8220;Accept: application/json&#8221; will return:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="p">[{</span><span class="s">&quot;test1&quot;</span><span class="p">:</span> <span class="s">&quot;Test1&quot;</span><span class="p">},</span> <span class="p">{</span><span class="s">&quot;test2&quot;</span><span class="p">:</span> <span class="s">&quot;Test2&quot;</span><span class="p">}]</span>
+</pre></div>
+</div>
+<p>Calling it with &#8220;Accept: text/yaml&#8221; will return:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="o">-</span> <span class="p">{</span><span class="n">test1</span><span class="p">:</span> <span class="n">Test1</span><span class="p">}</span>
+<span class="o">-</span> <span class="p">{</span><span class="n">test2</span><span class="p">:</span> <span class="n">Test2</span><span class="p">}</span>
+</pre></div>
+</div>
+</div>
+</div>
+<div class="section" id="filters">
+<h2>Filters<a class="headerlink" href="#filters" title="Permalink to this headline">¶</a></h2>
+<p>There is support for CorePost resource filters via the two following <em>corepost.filter</em> interfaces:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="k">class</span> <span class="nc">IRequestFilter</span><span class="p">(</span><span class="n">Interface</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Request filter interface&quot;&quot;&quot;</span>
+    <span class="k">def</span> <span class="nf">filterRequest</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Allows to intercept and change an incoming request&quot;&quot;&quot;</span>
+        <span class="k">pass</span>
+
+<span class="k">class</span> <span class="nc">IResponseFilter</span><span class="p">(</span><span class="n">Interface</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Response filter interface&quot;&quot;&quot;</span>
+    <span class="k">def</span> <span class="nf">filterResponse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">response</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Allows to intercept and change an outgoing response&quot;&quot;&quot;</span>
+        <span class="k">pass</span>
+</pre></div>
+</div>
+<p>A filter class can implement either of them or both (for a wrap around filter), e.g.:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="k">class</span> <span class="nc">AddCustomHeaderFilter</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Implements a request filter that adds a custom header to the incoming request&quot;&quot;&quot;</span>
+    <span class="n">zope</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">implements</span><span class="p">(</span><span class="n">IRequestFilter</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">filterRequest</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="s">&quot;Custom-Header&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Custom Header Value&quot;</span>
+
+<span class="k">class</span> <span class="nc">Change404to503Filter</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Implements just a response filter that changes 404 to 503 statuses&quot;&quot;&quot;</span>
+    <span class="n">zope</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">implements</span><span class="p">(</span><span class="n">IResponseFilter</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">filterResponse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">response</span><span class="p">):</span>
+        <span class="k">if</span> <span class="n">response</span><span class="o">.</span><span class="n">code</span> <span class="o">==</span> <span class="mi">404</span><span class="p">:</span>
+            <span class="n">response</span><span class="o">.</span><span class="n">code</span> <span class="o">=</span> <span class="mi">503</span>
+
+<span class="k">class</span> <span class="nc">WrapAroundFilter</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Implements both types of filters in one class&quot;&quot;&quot;</span>
+    <span class="n">zope</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">implements</span><span class="p">(</span><span class="n">IRequestFilter</span><span class="p">,</span><span class="n">IResponseFilter</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">filterRequest</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="s">&quot;X-Wrap-Input&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Input&quot;</span>
+
+    <span class="k">def</span> <span class="nf">filterResponse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">response</span><span class="p">):</span>
+        <span class="n">response</span><span class="o">.</span><span class="n">headers</span><span class="p">[</span><span class="s">&quot;X-Wrap-Output&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Output&quot;</span>
+</pre></div>
+</div>
+<p>In order to activate the filters on a RESTResource instance, you need to pass a list of them in the constructor as the <em>filters</em> parameter, e.g.:</p>
+<div class="highlight-python"><pre>class FilterApp():
+
+    @route("/",Http.GET)
+    def root(self,request,**kwargs):
+        return request.received_headers
+
+def run_filter_app():
+    app = RESTResource(services=((FilterApp(),),filters=(Change404to503Filter(),AddCustomHeaderFilter(),WrapAroundFilter(),))
+    app.run(8083)</pre>
+</div>
+</div>
+<div class="section" id="asynchronous-operations">
+<h2>Asynchronous Operations<a class="headerlink" href="#asynchronous-operations" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="defer-inlinecallbacks-support">
+<h3>&#64;defer.inlineCallbacks support<a class="headerlink" href="#defer-inlinecallbacks-support" title="Permalink to this headline">¶</a></h3>
+<p>If you want a deferred async method, just use <em>defer.returnValue()</em>:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+<span class="nd">@defer.inlineCallbacks</span>
+<span class="k">def</span> <span class="nf">root</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="n">val1</span> <span class="o">=</span> <span class="k">yield</span> <span class="n">db</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="s">&quot;SELECT ....&quot;</span><span class="p">)</span>
+        <span class="n">val2</span> <span class="o">=</span> <span class="k">yield</span> <span class="n">db</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="s">&quot;SELECT ....&quot;</span><span class="p">)</span>
+        <span class="n">defer</span><span class="o">.</span><span class="n">returnValue</span><span class="p">(</span><span class="n">val1</span> <span class="o">+</span> <span class="n">val2</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>This is standard Twisted functionality.</p>
+</div>
+</div>
+<div class="section" id="http-codes">
+<h2>HTTP codes<a class="headerlink" href="#http-codes" title="Permalink to this headline">¶</a></h2>
+<p>By default, CorePost returns the appropriate HTTP code based on the HTTP method:</p>
+<p>Success:</p>
+<ul class="simple">
+<li>200 (OK) - GET, DELETE, PUT</li>
+<li>201 (Created) - POST</li>
+</ul>
+<p>Errors:</p>
+<ul class="simple">
+<li>404 - not able to match any URL</li>
+<li>400 - missing mandatory argument (driven from the arguments on the actual functions)</li>
+<li>400 - argument failed validation</li>
+<li>500 - server error</li>
+</ul>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+  <h3><a href="index.html">Table Of Contents</a></h3>
+  <ul>
+<li><a class="reference internal" href="#">Features</a><ul>
+<li><a class="reference internal" href="#url-routing">URL Routing</a><ul>
+<li><a class="reference internal" href="#route-decorator">&#64;route decorator</a></li>
+<li><a class="reference internal" href="#path-argument-extraction">Path argument extraction</a></li>
+<li><a class="reference internal" href="#argument-validation">Argument validation</a></li>
+<li><a class="reference internal" href="#multiple-rest-services-under-a-common-root-url">Multiple REST services under a common root URL</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#content-types">Content types</a><ul>
+<li><a class="reference internal" href="#routing-requests-by-incoming-content-type">Routing requests by incoming content type</a></li>
+<li><a class="reference internal" href="#converting-python-objects-to-content-type-based-on-what-caller-can-accept">Converting Python objects to content type based on what caller can accept</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#filters">Filters</a></li>
+<li><a class="reference internal" href="#asynchronous-operations">Asynchronous Operations</a><ul>
+<li><a class="reference internal" href="#defer-inlinecallbacks-support">&#64;defer.inlineCallbacks support</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#http-codes">HTTP codes</a></li>
+</ul>
+</li>
+</ul>
+
+  <h4>Previous topic</h4>
+  <p class="topless"><a href="intro.html"
+                        title="previous chapter">Introduction</a></p>
+  <h3>This Page</h3>
+  <ul class="this-page-menu">
+    <li><a href="_sources/features.txt"
+           rel="nofollow">Show Source</a></li>
+  </ul>
+<div id="searchbox" style="display: none">
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+    <form class="search" action="search.html" method="get">
+      <input type="text" name="q" />
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+             accesskey="I">index</a></li>
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+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body">
+            
+  <div class="section" id="filters">
+<h1>Filters<a class="headerlink" href="#filters" title="Permalink to this headline">¶</a></h1>
+<p>There is support for CorePost resource filters via the two following <em>corepost.filter</em> interfaces:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="k">class</span> <span class="nc">IRequestFilter</span><span class="p">(</span><span class="n">Interface</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Request filter interface&quot;&quot;&quot;</span>
+    <span class="k">def</span> <span class="nf">filterRequest</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Allows to intercept and change an incoming request&quot;&quot;&quot;</span>
+        <span class="k">pass</span>
+
+<span class="k">class</span> <span class="nc">IResponseFilter</span><span class="p">(</span><span class="n">Interface</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Response filter interface&quot;&quot;&quot;</span>
+    <span class="k">def</span> <span class="nf">filterResponse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">response</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Allows to intercept and change an outgoing response&quot;&quot;&quot;</span>
+        <span class="k">pass</span>
+</pre></div>
+</div>
+<p>A filter class can implement either of them or both (for a wrap around filter), e.g.:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="k">class</span> <span class="nc">AddCustomHeaderFilter</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Implements a request filter that adds a custom header to the incoming request&quot;&quot;&quot;</span>
+    <span class="n">zope</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">implements</span><span class="p">(</span><span class="n">IRequestFilter</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">filterRequest</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="s">&quot;Custom-Header&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Custom Header Value&quot;</span>
+
+<span class="k">class</span> <span class="nc">Change404to503Filter</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Implements just a response filter that changes 404 to 503 statuses&quot;&quot;&quot;</span>
+    <span class="n">zope</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">implements</span><span class="p">(</span><span class="n">IResponseFilter</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">filterResponse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">response</span><span class="p">):</span>
+        <span class="k">if</span> <span class="n">response</span><span class="o">.</span><span class="n">code</span> <span class="o">==</span> <span class="mi">404</span><span class="p">:</span>
+            <span class="n">response</span><span class="o">.</span><span class="n">code</span> <span class="o">=</span> <span class="mi">503</span>
+
+<span class="k">class</span> <span class="nc">WrapAroundFilter</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Implements both types of filters in one class&quot;&quot;&quot;</span>
+    <span class="n">zope</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">implements</span><span class="p">(</span><span class="n">IRequestFilter</span><span class="p">,</span><span class="n">IResponseFilter</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">filterRequest</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="s">&quot;X-Wrap-Input&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Input&quot;</span>
+
+    <span class="k">def</span> <span class="nf">filterResponse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">response</span><span class="p">):</span>
+        <span class="n">response</span><span class="o">.</span><span class="n">headers</span><span class="p">[</span><span class="s">&quot;X-Wrap-Output&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Output&quot;</span>
+</pre></div>
+</div>
+<p>In order to activate the filters on a RESTResource instance, you need to pass a list of them in the constructor as the <em>filters</em> parameter, e.g.:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="k">class</span> <span class="nc">FilterApp</span><span class="p">:</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">root</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span>
+
+<span class="k">def</span> <span class="nf">run_filter_app</span><span class="p">():</span>
+    <span class="n">app</span> <span class="o">=</span> <span class="n">RESTResource</span><span class="p">(</span><span class="n">services</span><span class="o">=</span><span class="p">(</span><span class="n">FilterApp</span><span class="p">(),),</span><span class="n">filters</span><span class="o">=</span><span class="p">(</span><span class="n">Change404to503Filter</span><span class="p">(),</span><span class="n">AddCustomHeaderFilter</span><span class="p">(),</span><span class="n">WrapAroundFilter</span><span class="p">(),))</span>
+    <span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="mi">8083</span><span class="p">)</span>
+</pre></div>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+  <h4>Previous topic</h4>
+  <p class="topless"><a href="content_types.html"
+                        title="previous chapter">Content types</a></p>
+  <h4>Next topic</h4>
+  <p class="topless"><a href="http_codes.html"
+                        title="next chapter">HTTP codes</a></p>
+  <h3>This Page</h3>
+  <ul class="this-page-menu">
+    <li><a href="_sources/filters.txt"
+           rel="nofollow">Show Source</a></li>
+  </ul>
+<div id="searchbox" style="display: none">
+  <h3>Quick search</h3>
+    <form class="search" action="search.html" method="get">
+      <input type="text" name="q" />
+      <input type="submit" value="Go" />
+      <input type="hidden" name="check_keywords" value="yes" />
+      <input type="hidden" name="area" value="default" />
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+    Enter search terms or a module, class or function name.
+    </p>
+</div>
+<script type="text/javascript">$('#searchbox').show(0);</script>
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+    </div>
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+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             >index</a></li>
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+          <a href="http_codes.html" title="HTTP codes"
+             >next</a> |</li>
+        <li class="right" >
+          <a href="content_types.html" title="Content types"
+             >previous</a> |</li>
+        <li><a href="index.html">CorePost 0.0.14 documentation</a> &raquo;</li> 
+      </ul>
+    </div>
+    <div class="footer">
+        &copy; Copyright 2012, Jacek Furmankiewicz.
+      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.2.
+    </div>
+  </body>
+</html>
\ No newline at end of file

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+
+
+
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
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+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    
+    <title>Index &mdash; CorePost 0.0.14 documentation</title>
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+      var DOCUMENTATION_OPTIONS = {
+        URL_ROOT:    '',
+        VERSION:     '0.0.14',
+        COLLAPSE_INDEX: false,
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+      };
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+      </ul>
+    </div>  
+
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+        <div class="bodywrapper">
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+
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+          <a href="#" title="General Index"
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+      </ul>
+    </div>
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+      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.2.
+    </div>
+  </body>
+</html>
\ No newline at end of file

http_codes.html

+
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    
+    <title>HTTP codes &mdash; CorePost 0.0.14 documentation</title>
+    
+    <link rel="stylesheet" href="_static/default.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    
+    <script type="text/javascript">
+      var DOCUMENTATION_OPTIONS = {
+        URL_ROOT:    '',
+        VERSION:     '0.0.14',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '.html',
+        HAS_SOURCE:  true
+      };
+    </script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <link rel="top" title="CorePost 0.0.14 documentation" href="index.html" />
+    <link rel="next" title="Asynchronous Operations" href="async.html" />
+    <link rel="prev" title="Filters" href="filters.html" /> 
+  </head>
+  <body>
+    <div class="related">
+      <h3>Navigation</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             accesskey="I">index</a></li>
+        <li class="right" >
+          <a href="async.html" title="Asynchronous Operations"
+             accesskey="N">next</a> |</li>
+        <li class="right" >
+          <a href="filters.html" title="Filters"
+             accesskey="P">previous</a> |</li>
+        <li><a href="index.html">CorePost 0.0.14 documentation</a> &raquo;</li> 
+      </ul>
+    </div>  
+
+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body">
+            
+  <div class="section" id="http-codes">
+<h1>HTTP codes<a class="headerlink" href="#http-codes" title="Permalink to this headline">¶</a></h1>
+<p>By default, CorePost returns the appropriate HTTP code based on the HTTP method:</p>
+<p>Success:</p>
+<ul class="simple">
+<li>200 (OK) - GET, DELETE, PUT</li>
+<li>201 (Created) - POST</li>
+</ul>
+<p>Errors:</p>
+<ul class="simple">
+<li>404 - not able to match any URL.</li>
+<li>400 - missing mandatory argument (driven from the arguments on the actual functions)</li>
+<li>400 - argument failed validation</li>
+<li>500 - server error</li>
+</ul>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+  <h4>Previous topic</h4>
+  <p class="topless"><a href="filters.html"
+                        title="previous chapter">Filters</a></p>
+  <h4>Next topic</h4>
+  <p class="topless"><a href="async.html"
+                        title="next chapter">Asynchronous Operations</a></p>
+  <h3>This Page</h3>
+  <ul class="this-page-menu">
+    <li><a href="_sources/http_codes.txt"
+           rel="nofollow">Show Source</a></li>
+  </ul>
+<div id="searchbox" style="display: none">
+  <h3>Quick search</h3>
+    <form class="search" action="search.html" method="get">
+      <input type="text" name="q" />
+      <input type="submit" value="Go" />
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+    </form>
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+    Enter search terms or a module, class or function name.
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+    </div>
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+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             >index</a></li>
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+          <a href="async.html" title="Asynchronous Operations"
+             >next</a> |</li>
+        <li class="right" >
+          <a href="filters.html" title="Filters"
+             >previous</a> |</li>
+        <li><a href="index.html">CorePost 0.0.14 documentation</a> &raquo;</li> 
+      </ul>
+    </div>
+    <div class="footer">
+        &copy; Copyright 2012, Jacek Furmankiewicz.
+      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.2.
+    </div>
+  </body>
+</html>
\ No newline at end of file

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+
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
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+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    
+    <title>CorePost &mdash; CorePost 0.0.14 documentation</title>
+    
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+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
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+        URL_ROOT:    '',
+        VERSION:     '0.0.14',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '.html',
+        HAS_SOURCE:  true
+      };
+    </script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <link rel="top" title="CorePost 0.0.14 documentation" href="#" />
+    <link rel="next" title="Introduction" href="intro.html" /> 
+  </head>
+  <body>
+    <div class="related">
+      <h3>Navigation</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             accesskey="I">index</a></li>
+        <li class="right" >
+          <a href="intro.html" title="Introduction"
+             accesskey="N">next</a> |</li>
+        <li><a href="#">CorePost 0.0.14 documentation</a> &raquo;</li> 
+      </ul>
+    </div>  
+
+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body">
+            
+  <div class="section" id="corepost">
+<h1>CorePost<a class="headerlink" href="#corepost" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="a-twisted-rest-micro-framework">
+<h2>A Twisted REST micro-framework<a class="headerlink" href="#a-twisted-rest-micro-framework" title="Permalink to this headline">¶</a></h2>
+<div class="toctree-wrapper compound">
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="intro.html">Introduction</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="intro.html#what-is-corepost">What is CorePost?</a></li>
+<li class="toctree-l2"><a class="reference internal" href="intro.html#what-is-twisted">What is Twisted?</a></li>
+<li class="toctree-l2"><a class="reference internal" href="intro.html#what-does-corepost-add-on-top-of-twisted-web">What does CorePost add on top of Twisted Web?</a></li>
+<li class="toctree-l2"><a class="reference internal" href="intro.html#why-would-i-use-corepost-instead-of-node-js">Why would I use CorePost instead of Node.js?</a></li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<div class="section" id="features">
+<h2>Features<a class="headerlink" href="#features" title="Permalink to this headline">¶</a></h2>
+<div class="toctree-wrapper compound">
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="url_routing.html">URL Routing</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="url_routing.html#route-decorator">&#64;route decorator</a></li>
+<li class="toctree-l2"><a class="reference internal" href="url_routing.html#path-argument-extraction">Path argument extraction</a></li>
+<li class="toctree-l2"><a class="reference internal" href="url_routing.html#routing-requests-by-incoming-content-type">Routing requests by incoming content type</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="argument_parsing.html">Argument parsing</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="argument_parsing.html#query-arguments">Query arguments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="argument_parsing.html#form-encoded-arguments">Form encoded arguments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="argument_parsing.html#json-document-arguments">JSON document arguments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="argument_parsing.html#yaml-document-arguments">YAML document arguments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="argument_parsing.html#xml-document-arguments">XML document arguments</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="arguments.html">Argument validation</a></li>
+<li class="toctree-l1"><a class="reference internal" href="content_types.html">Content types</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="content_types.html#parsing-of-incoming-content">Parsing of incoming content</a></li>
+<li class="toctree-l2"><a class="reference internal" href="content_types.html#converting-python-objects-to-expected-content-type">Converting Python objects to expected content type</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="filters.html">Filters</a></li>
+<li class="toctree-l1"><a class="reference internal" href="http_codes.html">HTTP codes</a></li>
+<li class="toctree-l1"><a class="reference internal" href="async.html">Asynchronous Operations</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="async.html#defer-inlinecallbacks-support">&#64;defer.inlineCallbacks support</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="modules.html">Modular REST applications</a></li>
+</ul>
+</div>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+  <h3><a href="#">Table Of Contents</a></h3>
+  <ul>
+<li><a class="reference internal" href="#">CorePost</a><ul>
+<li><a class="reference internal" href="#a-twisted-rest-micro-framework">A Twisted REST micro-framework</a><ul>
+</ul>
+</li>
+<li><a class="reference internal" href="#features">Features</a><ul>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+
+  <h4>Next topic</h4>
+  <p class="topless"><a href="intro.html"
+                        title="next chapter">Introduction</a></p>
+  <h3>This Page</h3>
+  <ul class="this-page-menu">
+    <li><a href="_sources/index.txt"
+           rel="nofollow">Show Source</a></li>
+  </ul>
+<div id="searchbox" style="display: none">
+  <h3>Quick search</h3>
+    <form class="search" action="search.html" method="get">
+      <input type="text" name="q" />
+      <input type="submit" value="Go" />
+      <input type="hidden" name="check_keywords" value="yes" />
+      <input type="hidden" name="area" value="default" />
+    </form>
+    <p class="searchtip" style="font-size: 90%">
+    Enter search terms or a module, class or function name.
+    </p>
+</div>
+<script type="text/javascript">$('#searchbox').show(0);</script>
+        </div>
+      </div>
+      <div class="clearer"></div>
+    </div>
+    <div class="related">
+      <h3>Navigation</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             >index</a></li>
+        <li class="right" >
+          <a href="intro.html" title="Introduction"
+             >next</a> |</li>
+        <li><a href="#">CorePost 0.0.14 documentation</a> &raquo;</li> 
+      </ul>
+    </div>
+    <div class="footer">
+        &copy; Copyright 2012, Jacek Furmankiewicz.
+      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.2.
+    </div>
+  </body>
+</html>
\ No newline at end of file

intro.html

+
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    
+    <title>Introduction &mdash; CorePost 0.0.14 documentation</title>
+    
+    <link rel="stylesheet" href="_static/default.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    
+    <script type="text/javascript">
+      var DOCUMENTATION_OPTIONS = {
+        URL_ROOT:    '',
+        VERSION:     '0.0.14',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '.html',
+        HAS_SOURCE:  true
+      };
+    </script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <link rel="top" title="CorePost 0.0.14 documentation" href="index.html" />
+    <link rel="next" title="URL Routing" href="url_routing.html" />
+    <link rel="prev" title="CorePost" href="index.html" /> 
+  </head>
+  <body>
+    <div class="related">
+      <h3>Navigation</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             accesskey="I">index</a></li>
+        <li class="right" >
+          <a href="url_routing.html" title="URL Routing"
+             accesskey="N">next</a> |</li>
+        <li class="right" >
+          <a href="index.html" title="CorePost"
+             accesskey="P">previous</a> |</li>
+        <li><a href="index.html">CorePost 0.0.14 documentation</a> &raquo;</li> 
+      </ul>
+    </div>  
+
+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body">
+            
+  <div class="section" id="introduction">
+<h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="what-is-corepost">
+<h2>What is CorePost?<a class="headerlink" href="#what-is-corepost" title="Permalink to this headline">¶</a></h2>
+<p>CorePost is a Python REST micro-framework. It is meant for building enterprise-grade REST server applications that provide
+API services to other applications and/or a UI layer (coded in any framework or language).</p>
+<p>More importantly, CorePost is an asynchronous I/O web framework (similar to Node.js).
+Hence it relies on asynchronous I/O operations, which are extremely efficient, but somewhat more complicated to code.</p>
+<p>Fortunately, CorePost does not create it&#8217;s own async I/O library, but instead uses under the mature, well documented
+and extremely well designed Twisted library, in particular its web layer (known simply as twisted.web)</p>
+<p>Coupled with a JIT runtime like PyPy, this should give you the ability to develop REST server side applications
+that will be extremely performant in production, yet (hopefully) fun and productive to develop.</p>
+</div>
+<div class="section" id="what-is-twisted">
+<h2>What is Twisted?<a class="headerlink" href="#what-is-twisted" title="Permalink to this headline">¶</a></h2>
+<p>Twisted is a very mature Python async I/O network toolkit:</p>
+<p><a class="reference external" href="http://twistedmatrix.com/trac/">http://twistedmatrix.com/trac/</a></p>
+<p>Understanding core principles behind Twisted and its APIs is required (at least at a basic level) before coding any CorePost application.</p>
+<p>Hence we recommend either reading the very thorough developer&#8217;s guide:</p>
+<p><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/book.pdf">http://twistedmatrix.com/documents/current/core/howto/book.pdf</a></p>
+<p>or the excellent Twisted tutorials from Dave Peticolas:</p>
+<p><a class="reference external" href="http://krondo.com/blog/?page_id=1327">http://krondo.com/blog/?page_id=1327</a></p>
+<p>In particular, understanding the core Twisted Deferred object (and its productive inline callback approach) are crucial
+to productive usage of Twisted APIs for writing asynchronous web applications.</p>
+</div>
+<div class="section" id="what-does-corepost-add-on-top-of-twisted-web">
+<h2>What does CorePost add on top of Twisted Web?<a class="headerlink" href="#what-does-corepost-add-on-top-of-twisted-web" title="Permalink to this headline">¶</a></h2>
+<p>Mostly productivity features that take of low-level plumbing such as:</p>
+<ul class="simple">
+<li>routing request to handler methods</li>
+<li>automatic parsing of JSON/YAML/XML input</li>
+<li>automatic conversion of Python objects and classes to JSON / YAML / XML formats</li>
+<li>simplified exception handling</li>
+<li>custom request / response filters</li>
+</ul>
+<p>However, this is a very thin layer. Once you get to write some serious code that interacts with an external system (e.g. a SQL database)
+you are writing a hard-code Twisted web application. CorePost is just there to make it easier for you and let you focus on business logic,
+while letting it take care of common required plumbing. That&#8217;s it.</p>
+<p>A CorePost application is nothing more than a <em>twisted.web</em> application under the hood.</p>
+</div>
+<div class="section" id="why-would-i-use-corepost-instead-of-node-js">
+<h2>Why would I use CorePost instead of Node.js?<a class="headerlink" href="#why-would-i-use-corepost-instead-of-node-js" title="Permalink to this headline">¶</a></h2>
+<p>As you develop more Twisted code, you will realize how its elegant and powerful <em>Deferred</em> object
+(and especially inline callbacks) make developing <em>readable</em> asynchronous code much more pleasant than any other solution.</p>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
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+  <div class="section" id="modular-rest-applications">
+<h1>Modular REST applications<a class="headerlink" href="#modular-rest-applications" title="Permalink to this headline">¶</a></h1>
+<p>A typical case in REST is where you have parent/child resources (business entities), e.g.</p>
+<div class="highlight-python"><pre>Customer
+
+        Customer Address
+
+        Customer Phone
+
+        Customer Order
+
+                Customer Invoice
+
+                        Customer Invoice Payment</pre>
+</div>
+<p>etc.</p>
+<p>This can create a URL structure like:</p>
+<div class="highlight-python"><pre>/customer
+
+/customer/&lt;customerId&gt;
+
+/customer/&lt;customerId&gt;/address
+
+/customer/&lt;customerId&gt;/address/&lt;addressId&gt;
+
+/customer/&lt;customerId&gt;/phone
+
+/customer/&lt;customerId&gt;/phone/&lt;phoneId&gt;
+
+/customer/&lt;customerId&gt;/invoice
+
+/customer/&lt;customerId&gt;/invoice/&lt;invoiceId&gt;
+
+/customer/&lt;customerId&gt;/invoice/&lt;invoiceId&gt;/payment
+
+/customer/&lt;customerId&gt;/invoice/&lt;invoiceId&gt;/payment/&lt;paymentId&gt;</pre>
+</div>
+<p>CorePost allows you to write small, modular classes that implement a REST service for just a single entity,
+driven by URL paths with dynamic elements in them (e.g. the <em>customerId</em>, <em>invoiceId</em>, <em>paymentId</em> path parameters in the sample above).
+You do not have to mesh all these different entities in a single class.</p>
+<p>At the end, you wrap all of the different REST services in a single <em>RESTResource</em> object (which extends the regular Twisted Web Resource object)
+and it takes care of routing the request to the appropriate class.</p>
+<p>Here is a full-blown example of two REST services for Customer and Customer Address:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">corepost</span> <span class="kn">import</span> <span class="n">Response</span><span class="p">,</span> <span class="n">NotFoundException</span><span class="p">,</span> <span class="n">AlreadyExistsException</span>
+<span class="kn">from</span> <span class="nn">corepost.web</span> <span class="kn">import</span> <span class="n">RESTResource</span><span class="p">,</span> <span class="n">route</span><span class="p">,</span> <span class="n">Http</span>
+
+<span class="k">class</span> <span class="nc">CustomerRESTService</span><span class="p">():</span>
+    <span class="n">path</span> <span class="o">=</span> <span class="s">&quot;/customer&quot;</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">getAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getAllCustomers</span><span class="p">()</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;customerId&gt;&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">post</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">firstName</span><span class="p">,</span><span class="n">lastName</span><span class="p">):</span>
+        <span class="n">customer</span> <span class="o">=</span> <span class="n">Customer</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">firstName</span><span class="p">,</span> <span class="n">lastName</span><span class="p">)</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">saveCustomer</span><span class="p">(</span><span class="n">customer</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">201</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;customerId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">put</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">firstName</span><span class="p">,</span><span class="n">lastName</span><span class="p">):</span>
+        <span class="n">c</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">firstName</span><span class="p">,</span><span class="n">c</span><span class="o">.</span><span class="n">lastName</span><span class="p">)</span> <span class="o">=</span> <span class="p">(</span><span class="n">firstName</span><span class="p">,</span><span class="n">lastName</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;customerId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">delete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">deleteCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">deleteAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">):</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">deleteAllCustomers</span><span class="p">()</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+<span class="k">class</span> <span class="nc">CustomerAddressRESTService</span><span class="p">():</span>
+    <span class="n">path</span> <span class="o">=</span> <span class="s">&quot;/customer/&lt;customerId&gt;/address&quot;</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">getAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span><span class="o">.</span><span class="n">addresses</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;addressId&gt;&quot;</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomerAddress</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">addressId</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">post</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">,</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">):</span>
+        <span class="n">c</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="n">address</span> <span class="o">=</span> <span class="n">CustomerAddress</span><span class="p">(</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">)</span>
+        <span class="n">c</span><span class="o">.</span><span class="n">addresses</span><span class="p">[</span><span class="n">addressId</span><span class="p">]</span> <span class="o">=</span> <span class="n">address</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">201</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;addressId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">put</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">,</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">):</span>
+        <span class="n">address</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomerAddress</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">addressId</span><span class="p">)</span>
+        <span class="p">(</span><span class="n">address</span><span class="o">.</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">address</span><span class="o">.</span><span class="n">streetName</span><span class="p">,</span><span class="n">address</span><span class="o">.</span><span class="n">stateCode</span><span class="p">,</span><span class="n">address</span><span class="o">.</span><span class="n">countryCode</span><span class="p">)</span> <span class="o">=</span> <span class="p">(</span><span class="n">streetNumber</span><span class="p">,</span><span class="n">streetName</span><span class="p">,</span><span class="n">stateCode</span><span class="p">,</span><span class="n">countryCode</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&lt;addressId&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">delete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">,</span><span class="n">addressId</span><span class="p">):</span>
+        <span class="n">DB</span><span class="o">.</span><span class="n">getCustomerAddress</span><span class="p">(</span><span class="n">customerId</span><span class="p">,</span> <span class="n">addressId</span><span class="p">)</span> <span class="c">#validate address exists</span>
+        <span class="k">del</span><span class="p">(</span><span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span><span class="o">.</span><span class="n">addresses</span><span class="p">[</span><span class="n">addressId</span><span class="p">])</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">DELETE</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">deleteAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">customerId</span><span class="p">):</span>
+        <span class="n">c</span> <span class="o">=</span> <span class="n">DB</span><span class="o">.</span><span class="n">getCustomer</span><span class="p">(</span><span class="n">customerId</span><span class="p">)</span>
+        <span class="n">c</span><span class="o">.</span><span class="n">addresses</span> <span class="o">=</span> <span class="p">{}</span>
+        <span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
+
+
+<span class="k">def</span> <span class="nf">run_rest_app</span><span class="p">():</span>
+    <span class="n">app</span> <span class="o">=</span> <span class="n">RESTResource</span><span class="p">((</span><span class="n">CustomerRESTService</span><span class="p">(),</span><span class="n">CustomerAddressRESTService</span><span class="p">()))</span>
+    <span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="mi">8080</span><span class="p">)</span>
+
+<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span>
+    <span class="n">run_rest_app</span><span class="p">()</span>
+</pre></div>
+</div>
+</div>
+
+
+          </div>
+        </div>
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codes","Argument parsing","Modular REST applications","URL Routing","Content types","Introduction","Argument validation","Filters","Asynchronous Operations"],objnames:{},filenames:["index","http_codes","argument_parsing","modules","url_routing","content_types","intro","arguments","filters","async"]})
\ No newline at end of file

url_routing.html

+
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+          <div class="body">
+            
+  <div class="section" id="url-routing">
+<h1>URL Routing<a class="headerlink" href="#url-routing" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="route-decorator">
+<h2>&#64;route decorator<a class="headerlink" href="#route-decorator" title="Permalink to this headline">¶</a></h2>
+<p>Via a simple <em>&#64;route</em> decorator you can automatically route <em>twisted.web</em> Request objects to your class method
+based on URL (with dynamic paths), HTTP method, expected content type, etc:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">corepost.web</span> <span class="kn">import</span> <span class="n">route</span><span class="p">,</span> <span class="n">RESTResource</span>
+<span class="kn">from</span> <span class="nn">corepost.enums</span> <span class="kn">import</span> <span class="n">Http</span>
+
+<span class="k">class</span> <span class="nc">RESTService</span><span class="p">():</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">root</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/test&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">test</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span>
+
+    <span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/test/&lt;int:numericid&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+    <span class="k">def</span> <span class="nf">test_get_resources</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">numericid</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">return</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">numericid</span>
+
+<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&#39;__main__&#39;</span><span class="p">:</span>
+    <span class="n">app</span> <span class="o">=</span> <span class="n">RESTResource</span><span class="p">((</span><span class="n">RESTService</span><span class="p">,))</span>
+    <span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
+</pre></div>
+</div>
+<p><em>Note</em>:</p>
+<blockquote>
+<div><p>This piece of code:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
+</pre></div>
+</div>
+<p>is just for convenience when showing code samples and writing unit tests.
+In a real production application you would use existing Twisted <em>twistd</em> functionality:</p>
+<ul class="simple">
+<li><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/basics.html">http://twistedmatrix.com/documents/current/core/howto/basics.html</a></li>
+<li><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/application.html">http://twistedmatrix.com/documents/current/core/howto/application.html</a></li>
+<li><a class="reference external" href="http://twistedmatrix.com/documents/current/core/howto/tap.html">http://twistedmatrix.com/documents/current/core/howto/tap.html</a></li>
+</ul>
+</div></blockquote>
+</div>
+<div class="section" id="path-argument-extraction">
+<h2>Path argument extraction<a class="headerlink" href="#path-argument-extraction" title="Permalink to this headline">¶</a></h2>
+<p>CorePort can easily extract path arguments from an URL and convert them to the desired type.</p>
+<p>The supported types are:</p>
+<ul class="simple">
+<li><em>int</em></li>
+<li><em>float</em></li>
+<li><em>string</em></li>
+</ul>
+<p>Example:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/int/&lt;int:intarg&gt;/float/&lt;float:floatarg&gt;/string/&lt;stringarg&gt;&quot;</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">GET</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="n">intarg</span><span class="p">,</span><span class="n">floatarg</span><span class="p">,</span><span class="n">stringarg</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">pass</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="routing-requests-by-incoming-content-type">
+<h2>Routing requests by incoming content type<a class="headerlink" href="#routing-requests-by-incoming-content-type" title="Permalink to this headline">¶</a></h2>
+<p>Based on the incoming content type in POST/PUT requests, the <em>same</em> URL can be hooked up to different router methods:</p>
+<div class="highlight-python"><div class="highlight"><pre><span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">),</span><span class="n">MediaType</span><span class="o">.</span><span class="n">APPLICATION_JSON</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test_content_app_json</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="n">HttpHeader</span><span class="o">.</span><span class="n">CONTENT_TYPE</span><span class="p">]</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">),(</span><span class="n">MediaType</span><span class="o">.</span><span class="n">TEXT_XML</span><span class="p">,</span><span class="n">MediaType</span><span class="o">.</span><span class="n">APPLICATION_XML</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_content_xml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="n">HttpHeader</span><span class="o">.</span><span class="n">CONTENT_TYPE</span><span class="p">]</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">),</span><span class="n">MediaType</span><span class="o">.</span><span class="n">TEXT_YAML</span><span class="p">)</span>
+<span class="k">def</span> <span class="nf">test_content_yaml</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">request</span><span class="o">.</span><span class="n">received_headers</span><span class="p">[</span><span class="n">HttpHeader</span><span class="o">.</span><span class="n">CONTENT_TYPE</span><span class="p">]</span>
+
+<span class="nd">@route</span><span class="p">(</span><span class="s">&quot;/post/by/content&quot;</span><span class="p">,(</span><span class="n">Http</span><span class="o">.</span><span class="n">POST</span><span class="p">,</span><span class="n">Http</span><span class="o">.</span><span class="n">PUT</span><span class="p">))</span>
+<span class="k">def</span> <span class="nf">test_content_catch_all</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">request</span><span class="p">,</span><span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="k">return</span> <span class="n">MediaType</span><span class="o">.</span><span class="n">WILDCARD</span>
+</pre></div>
+</div>
+</div>
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar">
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+<li><a class="reference internal" href="#route-decorator">&#64;route decorator</a></li>
+<li><a class="reference internal" href="#path-argument-extraction">Path argument extraction</a></li>
+<li><a class="reference internal" href="#routing-requests-by-incoming-content-type">Routing requests by incoming content type</a></li>
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