import sys

sys.path.append('/usr/share/inkscape/extensions')

sys.path.append('/Applications/Inkscape.app/Contents/Resources/extensions')

sys.path.append('C:\Program Files\Inkscape\share\extensions')

import inkex, os.path

import subprocess

import tempfile

import os

import zipfile

import glob

import re

def propStrToDict(inStr):

dictio = {}

for prop in inStr.split(";"):

values = prop.split(":")

if (len(values) == 2):

dictio[values[0].strip()] = values[1].strip()

return dictio

def dictToPropStr(dictio):

str = ""

for key in dictio.keys():

str += " " + key + ":" + dictio[key] + ";"

return str[1:]

def setStyle(node, propKey, propValue):

props = {}

if node.attrib.has_key("style"):

props = propStrToDict(node.get("style"))

props[propKey] = propValue

node.set("style", dictToPropStr(props))

class MyEffect(inkex.Effect):

inkscapeCommand = None

zipFile = None

def __init__(self):

inkex.Effect.__init__(self)

self.OptionParser.add_option('--tab', action = 'store', type = 'string', dest = 'what')

self.OptionParser.add_option('--type', action = 'store', type = 'string', dest = 'type', default = '')

self.OptionParser.add_option('--resolution', action = 'store', type = 'string', dest = 'resolution', default = '')

# Register jessyink namespace.

inkex.NSS[u"jessyink"] = u"https://launchpad.net/jessyink"

# Set inkscape command.

self.inkscapeCommand = self.findInkscapeCommand()

if (self.inkscapeCommand == None):

sys.stderr.write("Could not find Inkscape command.\n")

sys.exit(1)

def output(self):

pass

def effect(self):

# Remove any temporary files that might be left from last time.

self.removeJessyInkFilesInTempDir()

# Check whether the JessyInk-script is present (indicating that the presentation has not been properly exported).

scriptNodes = self.document.xpath("//svg:script[@jessyink:version]", namespaces=inkex.NSS)

if len(scriptNodes) != 0:

sys.stderr.write("The JessyInk-script is present in this SVG file. This indicates that the presentation has not been properly exported. Please visit code.goolge.com/p/jessyink to find information on how to export a JessyInk presentation.\n\n")

zipFileDesc, zpFile = tempfile.mkstemp(suffix=".zip", prefix="jessyInk__")

output = zipfile.ZipFile(zpFile, "w", compression=zipfile.ZIP_STORED)

# Find layers.

exportNodes = self.document.xpath("//svg:g[@inkscape:groupmode='layer']", namespaces=inkex.NSS)

if len(exportNodes) < 1:

sys.stderr.write("No layers found.")

for node in exportNodes:

setStyle(node, "display", "none")

for node in exportNodes:

setStyle(node, "display", "inherit")

setStyle(node, "opacity", "1")

self.takeSnapshot(output, node.attrib["{" + inkex.NSS["inkscape"] + "}label"])

setStyle(node, "display", "none")

# Write temporary zip file to stdout.

output.close()

out = open(zpFile,'rb')

# Switch stdout to binary on Windows.

if sys.platform == "win32":

import os, msvcrt

msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

# Output the file.

sys.stdout.write(out.read())

sys.stdout.close()

out.close()

# Delete temporary files.

self.removeJessyInkFilesInTempDir()

# Function to export the current state of the file using Inkscape.

def takeSnapshot(self, output, fileName):

# Write the svg file.

svgFileDesc, svgFile = tempfile.mkstemp(suffix=".svg", prefix="jessyInk__")

self.document.write(os.fdopen(svgFileDesc, "wb"))

ext = str(self.options.type).lower()

# Prepare output file.

outFileDesc, outFile = tempfile.mkstemp(suffix="." + ext, prefix="jessyInk__")

proc = subprocess.Popen([self.inkscapeCommand + " --file=" + svgFile + " --without-gui --export-dpi=" + str(self.options.resolution) + " --export-" + ext + "=" + outFile], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

stdout_value, stderr_value = proc.communicate()

output.write(outFile, fileName + "." + ext)

# Function to remove any temporary files created during the export.

def removeJessyInkFilesInTempDir(self):

for infile in glob.glob(os.path.join(tempfile.gettempdir(), 'jessyInk__*')):

try:

os.remove(infile)

except:

pass

# Function to try and find the correct command to invoke Inkscape.

def findInkscapeCommand(self):

commands = []

commands.append("inkscape")

commands.append("C:\Program Files\Inkscape\inkscape.exe")

commands.append("/Applications/Inkscape.app/Contents/Resources/bin/inkscape")

for command in commands:

proc = subprocess.Popen([command + " --without-gui --version"], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

stdout_value, stderr_value = proc.communicate()

if proc.returncode == 0:

return command

return None

e = MyEffect()

e.affect()