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Commit a1703466 authored by D1plo1d's avatar D1plo1d
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.gitignore
View file @ a1703466
......@@ -2,4 +2,5 @@
.pronsolerc
*.swp
*.bak
uploads
.DS_Store
GCodeAnalyzer.py deleted 100644 → 0
View file @ 5d9df9df
# This file is part of the Printrun suite.
#
# Copyright 2013 Francesco Santini francesco.santini@gmail.com
#
# Printrun 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.
#
# Printrun 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 Printrun. If not, see <http://www.gnu.org/licenses/>.
#
# This code is imported from RepetierHost - Original copyright and license:
# Copyright 2011 repetier repetierdev@gmail.com
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
class GCodeAnalyzer():
def __init__(self):
self.x = 0
self.y = 0
self.z = 0
self.e = 0
self.emax = 0
self.f = 1000
self.lastX = 0
self.lastY = 0
self.lastZ = 0
self.lastE = 0
self.xOffset = 0
self.yOffset = 0
self.zOffset = 0
self.eOffset = 0
self.lastZPrint = 0
self.layerZ = 0
self.relative = False
self.eRelative = False
self.homeX = 0
self.homeY = 0
self.homeZ = 0
self.maxX = 150
self.maxY = 150
self.maxZ = 150
self.minX = 0
self.minY = 0
self.minZ = 0
self.hasHomeX = False
self.hasHomeY = False
self.hasHomeZ = False
# find a code in a gstring line
def findCode(self, gcode, codeStr):
pattern = re.compile(codeStr + "\\s*(-?[\d.]*)",re.I)
m=re.search(pattern, gcode)
if m == None:
return None
else:
return m.group(1)
def Analyze(self, gcode):
gcode = gcode[:gcode.find(";")].lstrip() # remove comments
if gcode.startswith("@"): return # code is a host command
code_g = self.findCode(gcode, "G")
code_m = self.findCode(gcode, "M")
# we have a g_code
if code_g != None:
code_g = int(code_g)
#get movement codes
if code_g == 0 or code_g == 1 or code_g == 2 or code_g == 3:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
eChanged = False;
code_f = self.findCode(gcode, "F")
if code_f != None:
self.f=float(code_f)
code_x = self.findCode(gcode, "X")
code_y = self.findCode(gcode, "Y")
code_z = self.findCode(gcode, "Z")
code_e = self.findCode(gcode, "E")
if self.relative:
if code_x != None: self.x += float(code_x)
if code_y != None: self.y += float(code_y)
if code_z != None: self.z += float(code_z)
if code_e != None:
e = float(code_e)
if e != 0:
eChanged = True
self.e += e
else:
#absolute coordinates
if code_x != None: self.x = self.xOffset + float(code_x)
if code_y != None: self.y = self.yOffset + float(code_y)
if code_z != None: self.z = self.zOffset + float(code_z)
if code_e != None:
e = float(code_e)
if self.eRelative:
if e != 0:
eChanged = True
self.e += e
else:
# e is absolute. Is it changed?
if self.e != self.eOffset + e:
eChanged = True
self.e = self.eOffset + e
#limit checking
if self.x < self.minX: self.x = self.minX
if self.y < self.minY: self.y = self.minY
if self.z < self.minZ: self.z = self.minZ
if self.x > self.maxX: self.x = self.maxX
if self.y > self.maxY: self.y = self.maxY
if self.z > self.maxZ: self.z = self.maxZ
#Repetier has a bunch of limit-checking code here and time calculations: we are leaving them for now
elif code_g == 28 or code_g == 161:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_x = self.findCode(gcode, "X")
code_y = self.findCode(gcode, "Y")
code_z = self.findCode(gcode, "Z")
code_e = self.findCode(gcode, "E")
homeAll = False
if code_x == None and code_y == None and code_z == None: homeAll = True
if code_x != None or homeAll:
self.hasHomeX = True
self.xOffset = 0
self.x = self.homeX
if code_y != None or homeAll:
self.hasHomeY = True
self.yOffset = 0
self.y = self.homeY
if code_z != None or homeAll:
self.hasHomeZ = True
self.zOffset = 0
self.z = self.homeZ
if code_e != None:
self.eOffset = 0
self.e = 0
elif code_g == 162:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_x = self.findCode(gcode, "X")
code_y = self.findCode(gcode, "Y")
code_z = self.findCode(gcode, "Z")
homeAll = False
if code_x == None and code_y == None and code_z == None: homeAll = True
if code_x != None or homeAll:
self.hasHomeX = True
self.xOffset = 0
self.x = self.maxX
if code_y != None or homeAll:
self.hasHomeY = True
self.yOffset = 0
self.y = self.maxY
if code_z != None or homeAll:
self.hasHomeZ = True
self.zOffset = 0
self.z = self.maxZ
elif code_g == 90: self.relative = False
elif code_g == 91: self.relative = True
elif code_g == 92:
code_x = self.findCode(gcode, "X")
code_y = self.findCode(gcode, "Y")
code_z = self.findCode(gcode, "Z")
code_e = self.findCode(gcode, "E")
if code_x != None:
self.xOffset = self.x - float(code_x)
self.x = self.xOffset
if code_y != None:
self.yOffset = self.y - float(code_y)
self.y = self.yOffset
if code_z != None:
self.zOffset = self.z - float(code_z)
self.z = self.zOffset
if code_e != None:
self.xOffset = self.e - float(code_e)
self.e = self.eOffset
#End code_g != None
if code_m != None:
code_m = int(code_m)
if code_m == 82: self.eRelative = False
elif code_m == 83: self.eRelative = True
def print_status(self):
attrs = vars(self)
print '\n'.join("%s: %s" % item for item in attrs.items())
\ No newline at end of file
README.md
View file @ a1703466
......@@ -31,9 +31,19 @@ You can run Printrun directly from source, as there are no packages available ye
2. `sudo easy_install pybonjour tornado`
3. `sudo easy_install https://github.com/D1plo1d/py-mdns/archive/master.zip`
### Fedora 15 and newer (untested)
### Fedora 17 and newer
You can run Printrun directly from source, as there are no packages available yet. Fetch and install the dependencies using
You can install Printrun from official packages. Install the whole package using
`sudo yum install printrun`
Or get only apps you need by
`sudo yum install pronsole` or `pronterface` or `plater`
Adding `--enablerepo updates-testing` option to `yum` might give you newer packages (but also not very tested).
You can also run Printrun directly from source, if the packages are too old for you anyway, or you have Fedora 15 or 16. Fetch and install the dependencies using
1. `sudo yum install pyserial wxpython pyglet python-tornado`
2. `sudo apt-get install avahi-daemon python-avahi tornado`
......@@ -104,10 +114,13 @@ Run Printrun for source if you want to test out the latest features.
To use pronterface, you need:
* python (ideally 2.6.x or 2.7.x),
* pyserial (or python-serial on ubuntu/debian),
* pyserial (or python-serial on ubuntu/debian)
* pyglet
* numpy (for 3D view)
* pyreadline (not needed on Linux) and
* argparse (installed by default with python >= 2.7)
* wxPython
* pycairo (to use Projector feature)
Please see specific instructions for Windows and Mac OS X below. Under Linux, you should use your package manager directly (see the "GETTING PRINTRUN" section)
......
gcoder.py deleted 100755 → 0
View file @ 5d9df9df
#!/usr/bin/env python
# This file is copied from GCoder.
#
# GCoder 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.
#
# GCoder 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 Printrun. If not, see <http://www.gnu.org/licenses/>.
import sys
import re
import math
def deltalen(a,b):
d = object()
d.x = b.x - a.x
d.y = b.y - a.y
d.z = b.z - a.z
return math.sqrt((d.x*d.x)+(d.y*d.y)+(d.z*d.z))
class Line(object):
def __init__(self,l):
self._x = None
self._y = None
self._z = None
self.e = None
self.f = 0
self.regex = re.compile("[-]?\d+[.]?\d*")
self.raw = l.upper().lstrip()
self.imperial = False
self.relative = False
self.relative_e = False
if ";" in self.raw:
self.raw = self.raw.split(";")[0]
self._parse_coordinates()
def _to_mm(self,v):
if v and self.imperial:
return v*25.4
return v
def _getx(self):
return self._to_mm(self._x)
def _setx(self,v):
self._x = v
def _gety(self):
return self._to_mm(self._y)
def _sety(self,v):
self._y = v
def _getz(self):
return self._to_mm(self._z)
def _setz(self,v):
self._z = v
def _gete(self):
return self._to_mm(self._e)
def _sete(self,v):
self._e = v
x = property(_getx,_setx)
y = property(_gety,_sety)
z = property(_getz,_setz)
e = property(_gete,_sete)
def command(self):
try:
return self.raw.split(" ")[0]
except:
return ""
def _get_float(self,which):
try:
return float(self.regex.findall(self.raw.split(which)[1])[0])
except:
return None
def _parse_coordinates(self):
try:
if "X" in self.raw:
self._x = self._get_float("X")
except:
pass
try:
if "Y" in self.raw:
self._y = self._get_float("Y")
except:
pass
try:
if "Z" in self.raw:
self._z = self._get_float("Z")
except:
pass
try:
if "E" in self.raw:
self.e = self._get_float("E")
except:
pass
try:
if "F" in self.raw:
self.f = self._get_float("F")
except:
pass
def is_move(self):
return self.command() and ("G1" in self.raw or "G0" in self.raw)
def __str__(self):
return self.raw
class Layer(object):
def __init__(self,lines):
self.lines = lines
def measure(self):
xmin = 999999999
ymin = 999999999
zmin = 0
xmax = -999999999
ymax = -999999999
zmax = -999999999
relative = False
relative_e = False
current_x = 0
current_y = 0
current_z = 0
for line in self.lines:
if line.command() == "G92":
current_x = line.x or current_x
current_y = line.y or current_y
current_z = line.z or current_z
if line.is_move():
x = line.x
y = line.y
z = line.z
if line.relative:
x = current_x + (x or 0)
y = current_y + (y or 0)
z = current_z + (z or 0)
if x and line.e:
if x < xmin:
xmin = x
if x > xmax:
xmax = x
if y and line.e:
if y < ymin:
ymin = y
if y > ymax:
ymax = y
if z:
if z < zmin:
zmin = z
if z > zmax:
zmax = z
current_x = x or current_x
current_y = y or current_y
current_z = z or current_z
return ( (xmin,xmax),(ymin,ymax),(zmin,zmax) )
class GCode(object):
def __init__(self,data):
self.lines = [Line(i) for i in data]
self._preprocess()
self._create_layers()
def _preprocess(self):
#checks for G20, G21, G90 and G91, sets imperial and relative flags
imperial = False
relative = False
relative_e = False
for line in self.lines:
if line.command() == "G20":
imperial = True
elif line.command() == "G21":
imperial = False
elif line.command() == "G90":
relative = False
relative_e = False
elif line.command() == "G91":
relative = True
relative_e = True
elif line.command() == "M82":
relative_e = False
elif line.command() == "M83":
relative_e = True
elif line.is_move():
line.imperial = imperial
line.relative = relative
line.relative_e = relative_e
def _create_layers(self):
self.layers = []
prev_z = None
cur_z = 0
cur_lines = []
layer_index = []
temp_layers = {}
for line in self.lines:
if line.command() == "G92" and line.z != None:
cur_z = line.z
elif line.is_move():
if line.z != None:
if line.relative:
cur_z += line.z
else:
cur_z = line.z
if cur_z != prev_z:
old_lines = temp_layers.pop(prev_z,[])
old_lines += cur_lines
temp_layers[prev_z] = old_lines
if not prev_z in layer_index:
layer_index.append(prev_z)
cur_lines = []
cur_lines.append(line)
prev_z = cur_z
old_lines = temp_layers.pop(prev_z,[])
old_lines += cur_lines
temp_layers[prev_z] = old_lines
if not prev_z in layer_index:
layer_index.append(prev_z)
layer_index.sort()
for idx in layer_index:
cur_lines = temp_layers[idx]
has_movement = False
for l in cur_lines:
if l.is_move() and l.e != None:
has_movement = True
break
if has_movement:
self.layers.append(Layer(cur_lines))
def num_layers(self):
return len(self.layers)
def measure(self):
xmin = 999999999
ymin = 999999999
zmin = 0
xmax = -999999999
ymax = -999999999
zmax = -999999999
for l in self.layers:
xd,yd,zd = l.measure()
if xd[0] < xmin:
xmin = xd[0]
if xd[1] > xmax:
xmax = xd[1]
if yd[0] < ymin:
ymin = yd[0]
if yd[1] > ymax:
ymax = yd[1]
if zd[0] < zmin:
zmin = zd[0]
if zd[1] > zmax:
zmax = zd[1]
self.xmin = xmin
self.xmax = xmax
self.ymin = ymin
self.ymax = ymax
self.zmin = zmin
self.zmax = zmax
self.width = xmax - xmin
self.depth = ymax - ymin
self.height = zmax - zmin
def filament_length(self):
total_e = 0
cur_e = 0
for line in self.lines:
if line.command() == "G92":
if line.e != None:
total_e += cur_e
cur_e = line.e
elif line.is_move() and line.e:
if line.relative_e:
cur_e += line.e
else:
cur_e = line.e
return total_e
def main():
if len(sys.argv) < 2:
print "usage: %s filename.gcode" % sys.argv[0]
return
# d = [i.replace("\n","") for i in open(sys.argv[1])]
# gcode = GCode(d)
gcode = GCode(list(open(sys.argv[1])))
gcode.measure()
print "Dimensions:"
print "\tX: %0.02f - %0.02f (%0.02f)" % (gcode.xmin,gcode.xmax,gcode.width)
print "\tY: %0.02f - %0.02f (%0.02f)" % (gcode.ymin,gcode.ymax,gcode.depth)
print "\tZ: %0.02f - %0.02f (%0.02f)" % (gcode.zmin,gcode.zmax,gcode.height)
print "Filament used: %0.02fmm" % gcode.filament_length()
print "Number of layers: %d" % gcode.num_layers()
if __name__ == '__main__':
main()
locale/fr/LC_MESSAGES/pronterface.po
View file @ a1703466
This diff is collapsed.
locale/pronterface.pot
View file @ a1703466
This diff is collapsed.
plater.py
View file @ a1703466
......@@ -244,6 +244,9 @@ class showstl(wx.Window):
class stlwin(wx.Frame):
def __init__(self, size = (800, 580), callback = None, parent = None):
wx.Frame.__init__(self, parent, title = _("Plate building tool"), size = size)
if hasattr(sys,"frozen") and sys.frozen=="windows_exe":
self.SetIcon(wx.Icon(sys.executable, wx.BITMAP_TYPE_ICO))
else:
self.SetIcon(wx.Icon(pixmapfile("plater.ico"), wx.BITMAP_TYPE_ICO))
self.mainsizer = wx.BoxSizer(wx.HORIZONTAL)
self.panel = wx.Panel(self, -1, size = (150, 600), pos = (0, 0))
......
printcore.py
View file @ a1703466
This diff is collapsed.
printrun/GCodeAnalyzer.py 0 → 100644
View file @ a1703466
# This file is part of the Printrun suite.
#
# Copyright 2013 Francesco Santini francesco.santini@gmail.com
#
# Printrun 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.
#
# Printrun 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 Printrun. If not, see <http://www.gnu.org/licenses/>.
#
# This code is imported from RepetierHost - Original copyright and license:
# Copyright 2011 repetier repetierdev@gmail.com
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
import gcoder
class GCodeAnalyzer():
def __init__(self):
self.x = 0
self.y = 0
self.z = 0
self.e = 0
self.emax = 0
self.f = 1000
self.lastX = 0
self.lastY = 0
self.lastZ = 0
self.lastE = 0
self.xOffset = 0
self.yOffset = 0
self.zOffset = 0
self.eOffset = 0
self.lastZPrint = 0
self.layerZ = 0
self.relative = False
self.eRelative = False
self.homeX = 0
self.homeY = 0
self.homeZ = 0
self.maxX = 150
self.maxY = 150
self.maxZ = 150
self.minX = 0
self.minY = 0
self.minZ = 0
self.hasHomeX = False
self.hasHomeY = False
self.hasHomeZ = False
def Analyze(self, gcode):
gline = gcoder.Line(gcode)
if gline.command.startswith(";@"): return # code is a host command
code_g = int(gline.command[1:]) if gline.command.startswith("G") else None
code_m = int(gline.command[1:]) if gline.command.startswith("M") else None
#get movement codes
if gline.is_move:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
eChanged = False;
code_f = gline.f
if code_f != None:
self.f = code_f
code_x = gline.x
code_y = gline.y
code_z = gline.z
code_e = gline.e
if self.relative:
if code_x != None: self.x += code_x
if code_y != None: self.y += code_y
if code_z != None: self.z += code_z
if code_e != None:
if code_e != 0:
eChanged = True
self.e += code_e
else:
#absolute coordinates
if code_x != None: self.x = self.xOffset + code_x
if code_y != None: self.y = self.yOffset + code_y
if code_z != None: self.z = self.zOffset + code_z
if code_e != None:
if self.eRelative:
if code_e != 0:
eChanged = True
self.e += code_e
else:
# e is absolute. Is it changed?
if self.e != self.eOffset + code_e:
eChanged = True
self.e = self.eOffset + code_e
#limit checking
if self.x < self.minX: self.x = self.minX
if self.y < self.minY: self.y = self.minY
if self.z < self.minZ: self.z = self.minZ
if self.x > self.maxX: self.x = self.maxX
if self.y > self.maxY: self.y = self.maxY
if self.z > self.maxZ: self.z = self.maxZ
#Repetier has a bunch of limit-checking code here and time calculations: we are leaving them for now
elif code_g == 28 or code_g == 161:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_x = gline.x
code_y = gline.y
code_z = gline.z
code_e = gline.e
homeAll = False
if code_x == None and code_y == None and code_z == None: homeAll = True
if code_x != None or homeAll:
self.hasHomeX = True
self.xOffset = 0
self.x = self.homeX
if code_y != None or homeAll:
self.hasHomeY = True
self.yOffset = 0
self.y = self.homeY
if code_z != None or homeAll:
self.hasHomeZ = True
self.zOffset = 0
self.z = self.homeZ
if code_e != None:
self.eOffset = 0
self.e = 0
elif code_g == 162:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_x = gline.x
code_y = gline.y
code_z = gline.z
homeAll = False
if code_x == None and code_y == None and code_z == None: homeAll = True
if code_x != None or homeAll:
self.hasHomeX = True
self.xOffset = 0
self.x = self.maxX
if code_y != None or homeAll:
self.hasHomeY = True
self.yOffset = 0
self.y = self.maxY
if code_z != None or homeAll:
self.hasHomeZ = True
self.zOffset = 0
self.z = self.maxZ
elif code_g == 90: self.relative = False
elif code_g == 91: self.relative = True
elif code_g == 92:
code_x = gline.x
code_y = gline.y
code_z = gline.z
code_e = gline.e
if code_x != None:
self.xOffset = self.x - float(code_x)
self.x = self.xOffset
if code_y != None:
self.yOffset = self.y - float(code_y)
self.y = self.yOffset
if code_z != None:
self.zOffset = self.z - float(code_z)
self.z = self.zOffset
if code_e != None:
self.xOffset = self.e - float(code_e)
self.e = self.eOffset
#End code_g != None
if code_m != None:
code_m = int(code_m)
if code_m == 82: self.eRelative = False
elif code_m == 83: self.eRelative = True
def print_status(self):
attrs = vars(self)
print '\n'.join("%s: %s" % item for item in attrs.items())
printrun/bufferedcanvas.py
View file @ a1703466
......@@ -77,7 +77,7 @@ class BufferedCanvas(wx.Panel):
## General methods
##
def draw(self, dc):
def draw(self, dc, w, h):
"""
Stub: called when the canvas needs to be re-drawn.
"""
......
printrun/cairosvg/__init__.py 0 → 100644
View file @ a1703466
# -*- coding: utf-8 -*-
# This file is part of CairoSVG
# Copyright © 2010-2012 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with CairoSVG. If not, see <http://www.gnu.org/licenses/>.
"""
CairoSVG - A simple SVG converter for Cairo.
"""
import os
import sys
import optparse
from . import surface
VERSION = '0.4.4'
SURFACES = {
'SVG': surface.SVGSurface, # Tell us if you actually use this one!
'PNG': surface.PNGSurface,
'PDF': surface.PDFSurface,
'PS': surface.PSSurface}
# Generate the svg2* functions from SURFACES
for _output_format, _surface_type in SURFACES.items():
_function = (
# Two lambdas needed for the closure
lambda surface_type: lambda *args, **kwargs: # pylint: disable=W0108
surface_type.convert(*args, **kwargs))(_surface_type)
_name = 'svg2%s' % _output_format.lower()
_function.__name__ = _name
_function.__doc__ = surface.Surface.convert.__doc__.replace(
'the format for this class', _output_format)
setattr(sys.modules[__name__], _name, _function)
def main():
"""Entry-point of the executable."""
# Get command-line options
option_parser = optparse.OptionParser(
usage = "usage: %prog filename [options]", version = VERSION)
option_parser.add_option(
"-f", "--format", help = "output format")
option_parser.add_option(
"-d", "--dpi", help = "svg resolution", default = 96)
option_parser.add_option(
"-o", "--output",
default = "", help = "output filename")
options, args = option_parser.parse_args()
# Print help if no argument is given
if not args:
option_parser.print_help()
sys.exit()
kwargs = {'dpi': float(options.dpi)}
if not options.output or options.output == '-':
# Python 2/3 hack
bytes_stdout = getattr(sys.stdout, "buffer", sys.stdout)
kwargs['write_to'] = bytes_stdout
else:
kwargs['write_to'] = options.output
url = args[0]
if url == "-":
# Python 2/3 hack
bytes_stdin = getattr(sys.stdin, "buffer", sys.stdin)
kwargs['file_obj'] = bytes_stdin
else:
kwargs['url'] = url
output_format = (
options.format or
os.path.splitext(options.output)[1].lstrip(".") or
"pdf")
SURFACES[output_format.upper()].convert(**kwargs)
printrun/cairosvg/css.py 0 → 100644
View file @ a1703466
# -*- coding: utf-8 -*-
# This file is part of CairoSVG
# Copyright © 2010-2012 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with CairoSVG. If not, see <http://www.gnu.org/licenses/>.
"""
Optionally handle CSS stylesheets.
"""
from .parser import HAS_LXML
# Detect optional depedencies
# pylint: disable=W0611
try:
import tinycss
import cssselect
CSS_CAPABLE = HAS_LXML
except ImportError:
CSS_CAPABLE = False
# pylint: enable=W0611
# Python 2/3 compat
iteritems = getattr(dict, "iteritems", dict.items) # pylint: disable=C0103
def find_stylesheets(tree):
"""Find the stylesheets included in ``tree``."""
# TODO: support contentStyleType on <svg>
default_type = "text/css"
for element in tree.iter():
# http://www.w3.org/TR/SVG/styling.html#StyleElement
if (element.tag == "style" and
element.get("type", default_type) == "text/css"):
# TODO: pass href for relative URLs
# TODO: support media types
# TODO: what if <style> has children elements?
yield tinycss.make_parser().parse_stylesheet(element.text)
# TODO: support <?xml-stylesheet ... ?>
def find_style_rules(tree):
"""Find the style rules in ``tree``."""
for stylesheet in find_stylesheets(tree):
# TODO: warn for each stylesheet.errors
for rule in stylesheet.rules:
# TODO: support @import and @media
if not rule.at_keyword:
yield rule
def get_declarations(rule):
"""Get the declarations in ``rule``."""
for declaration in rule.declarations:
if declaration.name.startswith("-"):
# Ignore properties prefixed by "-"
continue
# TODO: filter out invalid values
yield (
declaration.name,
declaration.value.as_css(),
bool(declaration.priority))
def match_selector(rule, tree):
"""Yield the ``(element, specificity)`` in ``tree`` matching ``rule``."""
selector_list = cssselect.parse(rule.selector.as_css())
translator = cssselect.GenericTranslator()
for selector in selector_list:
if not selector.pseudo_element:
specificity = selector.specificity()
for element in tree.xpath(translator.selector_to_xpath(selector)):
yield element, specificity
def apply_stylesheets(tree):
"""Apply the stylesheet in ``tree`` to ``tree``."""
if not CSS_CAPABLE:
# TODO: warn?
return
style_by_element = {}
for rule in find_style_rules(tree):
declarations = list(get_declarations(rule))
for element, specificity in match_selector(rule, tree):
style = style_by_element.setdefault(element, {})
for name, value, important in declarations:
weight = important, specificity
if name in style:
_old_value, old_weight = style[name]
if old_weight > weight:
continue
style[name] = value, weight
for element, style in iteritems(style_by_element):
values = ["%s: %s" % (name, value)
for name, (value, weight) in iteritems(style)]
values.append(element.get("style", ""))
element.set("style", ";".join(values))
printrun/cairosvg/parser.py 0 → 100644
View file @ a1703466
# -*- coding: utf-8 -*-
# This file is part of CairoSVG
# Copyright © 2010-2012 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with CairoSVG. If not, see <http://www.gnu.org/licenses/>.
"""
SVG Parser.
"""
# Fallbacks for Python 2/3 and lxml/ElementTree
# pylint: disable=E0611,F0401,W0611
try:
import lxml.etree as ElementTree
from lxml.etree import XMLSyntaxError as ParseError
HAS_LXML = True
except ImportError:
from xml.etree import ElementTree
from xml.parsers import expat
# ElementTree's API changed between 2.6 and 2.7
# pylint: disable=C0103
ParseError = getattr(ElementTree, 'ParseError', expat.ExpatError)
# pylint: enable=C0103
HAS_LXML = False
try:
from urllib import urlopen
import urlparse
except ImportError:
from urllib.request import urlopen
from urllib import parse as urlparse # Python 3
# pylint: enable=E0611,F0401,W0611
import gzip
import os.path
from .css import apply_stylesheets
# Python 2/3 compat
# pylint: disable=C0103,W0622
try:
basestring
except NameError:
basestring = str
# pylint: enable=C0103,W0622
def remove_svg_namespace(tree):
"""Remove the SVG namespace from ``tree`` tags.
``lxml.cssselect`` does not support empty/default namespaces, so remove any
SVG namespace.
"""
prefix = "{http://www.w3.org/2000/svg}"
prefix_len = len(prefix)
iterator = (
tree.iter() if hasattr(tree, 'iter')
else tree.getiterator())
for element in iterator:
tag = element.tag
if hasattr(tag, "startswith") and tag.startswith(prefix):
element.tag = tag[prefix_len:]
class Node(dict):
"""SVG node with dict-like properties and children."""
def __init__(self, node, parent = None):
"""Create the Node from ElementTree ``node``, with ``parent`` Node."""
super(Node, self).__init__()
self.children = ()
self.root = False
self.tag = node.tag
self.text = node.text
# Inherits from parent properties
# TODO: drop other attributes that should not be inherited
if parent is not None:
items = parent.copy()
not_inherited = (
"transform", "opacity", "style", "viewBox", "stop-color",
"stop-opacity")
if self.tag in ("tspan", "pattern"):
not_inherited += ("x", "y")
for attribute in not_inherited:
if attribute in items:
del items[attribute]
self.update(items)
self.url = parent.url
self.xml_tree = parent.xml_tree
self.parent = parent
self.update(dict(node.attrib.items()))
# Handle the CSS
style = self.pop("style", "")
for declaration in style.split(";"):
if ":" in declaration:
name, value = declaration.split(":", 1)
self[name.strip()] = value.strip()
# Replace currentColor by a real color value
color_attributes = (
"fill", "stroke", "stop-color", "flood-color",
"lighting-color")
for attribute in color_attributes:
if self.get(attribute) == "currentColor":
self[attribute] = self.get("color", "black")
# Replace inherit by the parent value
for attribute, value in dict(self).items():
if value == "inherit":
if parent is not None and attribute in parent:
self[attribute] = parent.get(attribute)
else:
del self[attribute]
# Manage text by creating children
if self.tag == "text" or self.tag == "textPath":
self.children = self.text_children(node)
if not self.children:
self.children = tuple(
Node(child, self) for child in node
if isinstance(child.tag, basestring))
def text_children(self, node):
"""Create children and return them."""
children = []
for child in node:
children.append(Node(child, parent = self))
if child.tail:
anonymous = ElementTree.Element('tspan')
anonymous.text = child.tail
children.append(Node(anonymous, parent = self))
return list(children)
class Tree(Node):
"""SVG tree."""
def __init__(self, **kwargs):
"""Create the Tree from SVG ``text``."""
# Make the parameters keyword-only:
bytestring = kwargs.pop('bytestring', None)
file_obj = kwargs.pop('file_obj', None)
url = kwargs.pop('url', None)
parent = kwargs.pop('parent', None)
if bytestring is not None:
tree = ElementTree.fromstring(bytestring)
self.url = url
elif file_obj is not None:
tree = ElementTree.parse(file_obj).getroot()
if url:
self.url = url
else:
self.url = getattr(file_obj, 'name', None)
elif url is not None:
if "#" in url:
url, element_id = url.split("#", 1)
else:
element_id = None
if parent and parent.url:
if url:
url = urlparse.urljoin(parent.url, url)
elif element_id:
url = parent.url
self.url = url
if url:
if urlparse.urlparse(url).scheme:
input_ = urlopen(url)
else:
input_ = url # filename
if os.path.splitext(url)[1].lower() == "svgz":
input_ = gzip.open(url)
tree = ElementTree.parse(input_).getroot()
else:
tree = parent.xml_tree
if element_id:
iterator = (
tree.iter() if hasattr(tree, 'iter')
else tree.getiterator())
for element in iterator:
if element.get("id") == element_id:
tree = element
break
else:
raise TypeError(
'No tag with id="%s" found.' % element_id)
else:
raise TypeError(
'No input. Use one of bytestring, file_obj or url.')
remove_svg_namespace(tree)
apply_stylesheets(tree)
self.xml_tree = tree
super(Tree, self).__init__(tree, parent)
self.root = True
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# -*- coding: utf-8 -*-
# This file is part of CairoSVG
# Copyright © 2010-2012 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with CairoSVG. If not, see <http://www.gnu.org/licenses/>.
"""
Images manager.
"""
import base64
import cairo
from io import BytesIO
try:
from urllib import urlopen, unquote
import urlparse
unquote_to_bytes = lambda data: unquote(
data.encode('ascii') if isinstance(data, unicode) else data)
except ImportError:
from urllib.request import urlopen
from urllib import parse as urlparse # Python 3
from urllib.parse import unquote_to_bytes
from .helpers import node_format, size, preserve_ratio
from ..parser import Tree
def open_data_url(url):
"""Decode URLs with the 'data' scheme. urllib can handle them
in Python 2, but that is broken in Python 3.
Inspired from Python 2.7.2’s urllib.py.
"""
# syntax of data URLs:
# dataurl := "data:" [ mediatype ] [ ";base64" ] "," data
# mediatype := [ type "/" subtype ] *( ";" parameter )
# data := *urlchar
# parameter := attribute "=" value
try:
header, data = url.split(",", 1)
except ValueError:
raise IOError("bad data URL")
header = header[5:] # len("data:") == 5
if header:
semi = header.rfind(";")
if semi >= 0 and "=" not in header[semi:]:
encoding = header[semi + 1:]
else:
encoding = ""
else:
encoding = ""
data = unquote_to_bytes(data)
if encoding == "base64":
missing_padding = 4 - len(data) % 4
if missing_padding:
data += b"=" * missing_padding
return base64.decodestring(data)
return data
def image(surface, node):
"""Draw an image ``node``."""
url = node.get("{http://www.w3.org/1999/xlink}href")
if not url:
return
if url.startswith("data:"):
image_bytes = open_data_url(url)
else:
base_url = node.get("{http://www.w3.org/XML/1998/namespace}base")
if base_url:
url = urlparse.urljoin(base_url, url)
if node.url:
url = urlparse.urljoin(node.url, url)
if urlparse.urlparse(url).scheme:
input_ = urlopen(url)
else:
input_ = open(url, 'rb') # filename
image_bytes = input_.read()
if len(image_bytes) < 5:
return
x, y = size(surface, node.get("x"), "x"), size(surface, node.get("y"), "y")
width = size(surface, node.get("width"), "x")
height = size(surface, node.get("height"), "y")
surface.context.rectangle(x, y, width, height)
surface.context.clip()
if image_bytes[:4] == b"\x89PNG":
png_bytes = image_bytes
elif image_bytes[:5] == b"\x3csvg ":
surface.context.save()
surface.context.translate(x, y)
if "x" in node:
del node["x"]
if "y" in node:
del node["y"]
if "viewBox" in node:
del node["viewBox"]
tree = Tree(bytestring = image_bytes)
tree_width, tree_height, viewbox = node_format(surface, tree)
if not tree_width or not tree_height:
tree_width = tree["width"] = width
tree_height = tree["height"] = height
node.image_width = tree_width or width
node.image_height = tree_height or height
scale_x, scale_y, translate_x, translate_y = \
preserve_ratio(surface, node)
surface.set_context_size(*node_format(surface, tree))
surface.context.translate(*surface.context.get_current_point())
surface.context.scale(scale_x, scale_y)
surface.context.translate(translate_x, translate_y)
surface.draw(tree)
surface.context.restore()
# Restore twice, because draw does not restore at the end of svg tags
surface.context.restore()
return
else:
try:
from pystacia import read_blob
png_bytes = read_blob(image_bytes).get_blob('png')
except:
# No way to handle the image
return
image_surface = cairo.ImageSurface.create_from_png(BytesIO(png_bytes))
node.image_width = image_surface.get_width()
node.image_height = image_surface.get_height()
scale_x, scale_y, translate_x, translate_y = preserve_ratio(surface, node)
surface.context.rectangle(x, y, width, height)
pattern_pattern = cairo.SurfacePattern(image_surface)
surface.context.save()
surface.context.translate(*surface.context.get_current_point())
surface.context.scale(scale_x, scale_y)
surface.context.translate(translate_x, translate_y)
surface.context.set_source(pattern_pattern)
surface.context.fill()
surface.context.restore()
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# -*- coding: utf-8 -*-
# This file is part of CairoSVG
# Copyright © 2010-2012 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with CairoSVG. If not, see <http://www.gnu.org/licenses/>.
"""
Root tag drawer.
"""
from .helpers import preserve_ratio, node_format
def svg(surface, node):
"""Draw a svg ``node``."""
if node.get("preserveAspectRatio", "none") != "none":
width, height, viewbox = node_format(surface, node)
node.image_width, node.image_height = viewbox[2:]
scale_x, scale_y, translate_x, translate_y = \
preserve_ratio(surface, node)
surface.context.rectangle(0, 0, width, height)
surface.context.clip()
surface.context.translate(*surface.context.get_current_point())
surface.context.scale(scale_x, scale_y)
surface.context.translate(translate_x, translate_y)
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printrun/printrun_utils.py
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# This file is part of the Printrun suite.
#
# Printrun 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.
#
# Printrun 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 Printrun. If not, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import
from .transform import transformList
from .inline import inlineStyle
printrun/svg/css/atrule.py deleted 100644 → 0
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# This file is part of the Printrun suite.
#
# Printrun 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.
#
# Printrun 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 Printrun. If not, see <http://www.gnu.org/licenses/>.
""" CSS at-rules"""
from pyparsing import Literal, Combine
from .identifier import identifier
atkeyword = Combine(Literal("@") + identifier)
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setup.py
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