c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico#!/usr/bin/env python
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico"""
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicouniconv_output.py
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoModule for running UniConverter exporting commands in Inkscape extensions
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoCopyright (C) 2009 Nicolas Dufour (jazzynico)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoBased on unicon-ext.py and run_command.py by Stephen Silver
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoThis program is free software; you can redistribute it and/or modify
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoit under the terms of the GNU General Public License as published by
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicothe Free Software Foundation; either version 2 of the License, or
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico(at your option) any later version.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoThis program is distributed in the hope that it will be useful,
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicobut WITHOUT ANY WARRANTY; without even the implied warranty of
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoGNU General Public License for more details.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoYou should have received a copy of the GNU General Public License
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoalong with this program; if not, write to the Free Software
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoFoundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico"""
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico# Run a command that generates an UniConvertor export file from a SVG file.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico# On success, outputs the contents of the UniConverter convertion to stdout,
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico# and exits with a return code of 0.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico# On failure, outputs an error message to stderr, and exits with a return
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico# code of 1.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
e4a094fa5446f7e5e226a3b10fdb7bf676808863JazzyNico# standard library
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoimport os
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoimport sys
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicoimport tempfile
e4a094fa5446f7e5e226a3b10fdb7bf676808863JazzyNico# local library
e4a094fa5446f7e5e226a3b10fdb7bf676808863JazzyNicoimport inkex
e4a094fa5446f7e5e226a3b10fdb7bf676808863JazzyNicoinkex.localize()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicodef run(command_format, prog_name, uniconv_format):
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico outfile = tempfile.mktemp(uniconv_format)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico command = command_format + outfile
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico msg = None
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # In order to get a return code from the process, we use subprocess.Popen
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # if it's available (Python 2.4 onwards) and otherwise use popen2.Popen3
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # (Unix only). As the Inkscape package for Windows includes Python 2.5,
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # this should cover all supported platforms.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico try:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico try:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico from subprocess import Popen, PIPE
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico rc = p.wait()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico out = p.stdout.read()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico err = p.stderr.read()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico except ImportError:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico try:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico from popen2 import Popen3
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico p = Popen3(command, True)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico p.wait()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico rc = p.poll()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico out = p.fromchild.read()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico err = p.childerr.read()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico except ImportError:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # shouldn't happen...
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico msg = "Neither subprocess.Popen nor popen2.Popen3 is available"
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico if rc and msg is None:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico msg = "%s failed:\n%s\n%s\n" % (prog_name, out, err)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico except Exception, inst:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico msg = "Error attempting to run %s: %s" % (prog_name, str(inst))
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # If successful, copy the output file to stdout.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico if msg is None:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico if os.name == 'nt': # make stdout work in binary on Windows
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico import msvcrt
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico try:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico f = open(outfile, "rb")
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico data = f.read()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico sys.stdout.write(data)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico f.close()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico except IOError, inst:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico msg = "Error reading temporary file: %s" % str(inst)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # Clean up.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico try:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico os.remove(outfile)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico except Exception:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico pass
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # Ouput error message (if any) and exit.
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico if msg is not None:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico sys.stderr.write(msg + "\n")
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico sys.exit(1)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico else:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico sys.exit(0)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNicodef get_command():
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico cmd = None
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico try:
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico from subprocess import Popen, PIPE
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico p = Popen('uniconvertor', shell=True, stdout=PIPE, stderr=PIPE).wait()
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico if p==0 :
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico cmd = 'uniconvertor'
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico else:
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico p = Popen('uniconv', shell=True, stdout=PIPE, stderr=PIPE).wait()
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico if p==0 :
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico cmd = 'uniconv'
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico except ImportError:
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico from popen2 import Popen3
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico p = Popen3('uniconv', True).wait()
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico if p!=32512 : cmd = 'uniconv'
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico p = Popen3('uniconvertor', True).wait()
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico if p!=32512 : cmd = 'uniconvertor'
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico if cmd == None:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # there's no succeffully-returning uniconv command; try to get the module directly (on Windows)
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico try:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico # cannot simply import uniconvertor, it aborts if you import it without parameters
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico import imp
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico imp.find_module("uniconvertor")
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico except ImportError:
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico sys.stderr.write(_('You need to install the UniConvertor software.\n'+\
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico 'For GNU/Linux: install the package python-uniconvertor.\n'+\
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico 'For Windows: download it from\n'+\
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico 'http://sk1project.org/modules.php?name=Products&product=uniconvertor\n'+\
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico 'and install into your Inkscape\'s Python location\n'))
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico sys.exit(1)
f0c99ec0a40c6f839b462557a8ffd911bf50f209Krzysztof Kosiński cmd = 'python -c "import uniconvertor; uniconvertor.uniconv_run();"'
29891d822f1f9710dd30754b3e3baa7b599e110cJazzyNico
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico return cmd
c978f17cd54294ccf4a3714c0bbda5924ecd6958JazzyNico
a4030d5ca449e7e384bc699cd249ee704faaeab0Chris Morgan# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99