uniconv-ext.py revision 9886c9f91112fca077082dba96c7244aa32ae5cb
#!/usr/bin/env python
"""
uniconv-ext.py
Python script for running UniConvertor in Inkscape extensions
Copyright (C) 2008 Stephen Silver
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 random
import subprocess
import sys
import tempfile
# We need a filename ending in ".svg" for UniConvertor.
# This is a hack.
chars = list("0123456789abcdefghijklmnopqrstuvwxyz")
while True:
random.shuffle(chars)
svgfile = os.path.join(tempfile.gettempdir(), ''.join(chars) + '.svg')
if not os.path.exists(svgfile):
break
# Run UniConvertor, and determine our return code.
try:
p = subprocess.Popen('uniconv "%s" "%s"' % (sys.argv[1], svgfile),
shell=True, stderr=subprocess.PIPE)
err = p.stderr.read()
rc = p.wait()
if rc:
sys.stderr.write("UniConvertor failed: %s\n" % err)
rc = 1
except Exception, inst:
sys.stderr.write("Spawn error: %s\n" % str(inst))
rc = 1
# If successful, copy the SVG file to stdout.
if rc == 0:
try:
f = open(svgfile, "rU")
for line in f:
sys.stdout.write(line)
f.close()
except IOError, inst:
sys.stderr.write("Error reading temporary SVG file: %s\n" % str(inst))
rc = 1
# Clean up and return.
try:
os.remove(svgfile)
except Exception:
pass
sys.exit(rc)