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- #!/usr/bin/env python
-
- """
- uniconv_output.py
- Module for running UniConverter exporting commands in Inkscape extensions
-
- Copyright (C) 2009 Nicolas Dufour (jazzynico)
- Based on unicon-ext.py and run_command.py by 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
- """
-
- # Run a command that generates an UniConvertor export file from a SVG file.
- # On success, outputs the contents of the UniConverter convertion to stdout,
- # and exits with a return code of 0.
- # On failure, outputs an error message to stderr, and exits with a return
- # code of 1.
-
- import os
- import sys
- import tempfile
- import gettext
- _ = gettext.gettext
-
- def run(command_format, prog_name, uniconv_format):
- outfile = tempfile.mktemp(uniconv_format)
- command = command_format + outfile
- msg = None
- # In order to get a return code from the process, we use subprocess.Popen
- # if it's available (Python 2.4 onwards) and otherwise use popen2.Popen3
- # (Unix only). As the Inkscape package for Windows includes Python 2.5,
- # this should cover all supported platforms.
- try:
- try:
- from subprocess import Popen, PIPE
- p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
- rc = p.wait()
- out = p.stdout.read()
- err = p.stderr.read()
- except ImportError:
- try:
- from popen2 import Popen3
- p = Popen3(command, True)
- p.wait()
- rc = p.poll()
- out = p.fromchild.read()
- err = p.childerr.read()
- except ImportError:
- # shouldn't happen...
- msg = "Neither subprocess.Popen nor popen2.Popen3 is available"
- if rc and msg is None:
- msg = "%s failed:\n%s\n%s\n" % (prog_name, out, err)
- except Exception, inst:
- msg = "Error attempting to run %s: %s" % (prog_name, str(inst))
-
- # If successful, copy the output file to stdout.
- if msg is None:
- if os.name == 'nt': # make stdout work in binary on Windows
- import msvcrt
- msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
- try:
- f = open(outfile, "rb")
- data = f.read()
- sys.stdout.write(data)
- f.close()
- except IOError, inst:
- msg = "Error reading temporary file: %s" % str(inst)
-
- # Clean up.
- try:
- os.remove(outfile)
- except Exception:
- pass
-
- # Ouput error message (if any) and exit.
- if msg is not None:
- sys.stderr.write(msg + "\n")
- sys.exit(1)
- else:
- sys.exit(0)
-
- def get_command():
- cmd = None
-
- try:
- from subprocess import Popen, PIPE
- p = Popen('uniconvertor', shell=True, stdout=PIPE, stderr=PIPE).wait()
- if p==0 :
- cmd = 'uniconvertor'
- else:
- p = Popen('uniconv', shell=True, stdout=PIPE, stderr=PIPE).wait()
- if p==0 :
- cmd = 'uniconv'
- except ImportError:
- from popen2 import Popen3
- p = Popen3('uniconv', True).wait()
- if p!=32512 : cmd = 'uniconv'
- p = Popen3('uniconvertor', True).wait()
- if p!=32512 : cmd = 'uniconvertor'
-
- if cmd == None:
- # there's no succeffully-returning uniconv command; try to get the module directly (on Windows)
- try:
- # cannot simply import uniconvertor, it aborts if you import it without parameters
- import imp
- imp.find_module("uniconvertor")
- except ImportError:
- sys.stderr.write(_('You need to install the UniConvertor software.\n'+\
- 'For GNU/Linux: install the package python-uniconvertor.\n'+\
- 'For Windows: download it from\n'+\
- 'http://sk1project.org/modules.php?name=Products&product=uniconvertor\n'+\
- 'and install into your Inkscape\'s Python location\n'))
- sys.exit(1)
- cmd = 'python -c "import uniconvertor; uniconvertor.uniconv_run();"'
-
- return cmd
-
- # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
-