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#!/usr/bin/env python
# coding=utf-8
#
# Copyright (C) 2009 Aurelio A. Heckert, aurium (a) gmail dot com
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
import os
import re
import sys
import inkex
from inkex import Script
class InkWebEffect(inkex.EffectExtension):
reUpdateJS = "/\\*\\s* inkweb.js [^*]* InkWebEffect:AutoUpdate \\s*\\*/"
def effect(self):
pass
def mustAddInkWebJSCode(self, script):
if not script.text:
return True
if re.search(self.reUpdateJS, script.text):
return True
return False
def addInkWebJSCode(self, script):
with open(os.path.join(sys.path[0], "inkweb.js")) as js:
script.set_text("\n/* inkweb.js - InkWebEffect:AutoUpdate */\n" + js.read())
def ensureInkWebSupport(self):
# Search for the script tag with the inkweb.js code:
script = None
for child in self.svg.xpath("//svg:script"):
if re.search(self.reUpdateJS, child.text):
script = child
if script is None:
script = Script(id="inkwebjs", type="text/javascript")
self.svg.insert(0, script)
if self.mustAddInkWebJSCode(script):
self.addInkWebJSCode(script)
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