# -*- coding: utf-8 -*-
"""
$Id$
Copyright 2011 Lars Kruse <devel@sumpfralle.de>
This file is part of PyCAM.
PyCAM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PyCAM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PyCAM. If not, see <http://www.gnu.org/licenses/>.
"""
import pycam.Plugins
import pycam.Utils
class ModelExport(pycam.Plugins.PluginBase):
UI_FILE = "model_export.ui"
DEPENDS = ["Models"]
CATEGORIES = ["Model", "Export"]
def setup(self):
if self.gui:
self._gtk_handlers = []
save_action = self.gui.get_object("SaveModel")
self.register_gtk_accelerator("model", save_action,
"<Control>s", "SaveModel")
self._gtk_handlers.append((save_action, "activate",
self.save_model))
self.core.register_ui("file_menu", "SaveModel",
save_action, 20)
save_as_action = self.gui.get_object("SaveAsModel")
self.register_gtk_accelerator("model", save_as_action,
"<Control><Shift>s", "SaveAsModel")
self._gtk_handlers.append((save_as_action, "activate",
self.save_as_model))
self.core.register_ui("file_menu", "SaveAsModel",
save_as_action, 25)
self._event_handlers = (("model-selection-changed",
self._update_widgets), )
self.register_gtk_handlers(self._gtk_handlers)
self.register_event_handlers(self._event_handlers)
self._update_widgets()
self.core.register_chain("model_export", self._fallback_model_export,
weight=1000)
return True
def teardown(self):
if self.gui:
save_action = self.gui.get_object("SaveModel")
self.core.unregister_ui("file_menu", save_action)
self.unregister_gtk_accelerator("model", save_action)
save_as_action = self.gui.get_object("SaveAsModel")
self.core.unregister_ui("file_menu", save_as_action)
self.unregister_gtk_accelerator("model", save_as_action)
self.unregister_gtk_handlers(self._gtk_handlers)
self.unregister_event_handlers(self._event_handlers)
self.core.unregister_chain("model_export", self._fallback_model_export)
def _fallback_model_export(self, models):
if models:
self.log.info("Failed to export %d model(s)" % len(models))
def save_model(self, widget=None):
# TODO: add "filename" property to models
pass
def save_as_model(self, widget=None, filename=None):
self.core.call_chain("model_export", self.core.get("models").get_selected())
def _update_widgets(self):
models = self.core.get("models").get_selected()
save_as_possible = len(models) > 0
self.gui.get_object("SaveAsModel").set_sensitive(save_as_possible)
# TODO: fix this
save_possible = False and bool(self.last_model_uri and save_as_possible and \
self.last_model_uri.is_writable())
#TODO: fix this dirty hack to avoid silent overwrites of PS/DXF files as SVG
if save_possible:
extension = os.path.splitext(self.last_model_uri.get_path(
))[-1].lower()
# TODO: fix these hard-coded file extensions
if extension[1:] in ("eps", "ps", "dxf"):
# can't save 2D formats except SVG
save_possible = False
self.gui.get_object("SaveModel").set_sensitive(save_possible)
class ModelExportTrimesh(pycam.Plugins.PluginBase):
DEPENDS = ["ModelExport"]
def setup(self):
self.core.register_chain("model_export", self.export_trimesh, weight=30)
return True
def teardown(self):
self.core.unregister_chain("model_export", self.export_trimesh)
def export_trimesh(self, models):
removal_list = []
for index, model in enumerate(models):
if not hasattr(model.model, "triangles"):
continue
# determine the file type
# TODO: this needs to be decided by the exporter code
type_filter = [("STL models", "*.stl")]
model_name = model["name"]
filename = self.core.get("get_filename_func")(
"Save model '%s' to ..." % model_name,
mode_load=False, type_filter=type_filter,
filename_templates=[])
if not filename:
continue
uri = pycam.Utils.URIHandler(filename)
if not uri:
continue
if not uri.is_local():
self.log.error("Unable to write file to a non-local " + \
"destination: %s" % uri)
continue
try:
file_in = open(uri.get_local_path(), "w")
# TODO: fill in "comment" with "meta_data"
# TODO: call a specific exporter
model.model.export(unit=self.core.get("unit")).write(file_in)
file_in.close()
removal_list.append(index)
except IOError, err_msg:
self.log.error("Failed to save model file: %s" % err_msg)
else:
self.log.info(("Successfully stored '%s' as " + \
"'%s'.") % (filename, model_name))
removal_list.reverse()
for index in removal_list:
models.pop(index)
class ModelExportContour(pycam.Plugins.PluginBase):
DEPENDS = ["ModelExport"]
def setup(self):
self.core.register_chain("model_export", self.export_contour, weight=40)
return True
def teardown(self):
self.core.unregister_chain("model_export", self.export_contour)
def export_contour(self, models):
removal_list = []
for index, model in enumerate(models):
if not hasattr(model.model, "get_polygons"):
continue
# determine the file type
# TODO: this needs to be decided by the exporter code
type_filter = [("SVG models", "*.svg")]
filename = self.core.get("get_filename_func")(
"Save model '%s' to ..." % model["name"],
mode_load=False, type_filter=type_filter,
filename_templates=[])
if not filename:
continue
uri = pycam.Utils.URIHandler(filename)
if not uri:
continue
if not uri.is_local():
self.log.error("Unable to write file to a non-local " + \
"destination: %s" % uri)
continue
try:
file_in = open(uri.get_local_path(), "w")
# TODO: fill in "comment" with "meta_data"
# TODO: call a specific exporter
model.model.export(unit=self.core.get("unit")).write(file_in)
file_in.close()
removal_list.append(index)
except IOError, err_msg:
self.log.error("Failed to save model file: %s" % err_msg)
else:
self.log.info(("Successfully stored '%s' as " + \
"'%s'.") % (filename, model["name"]))
removal_list.reverse()
for index in removal_list:
models.pop(index)