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| author | bulia byak <buliabyak@gmail.com> | 2008-06-14 04:12:54 +0000 |
|---|---|---|
| committer | buliabyak <buliabyak@users.sourceforge.net> | 2008-06-14 04:12:54 +0000 |
| commit | 6bd9f46bfe5e567626239fb8e8d62e00b1021657 (patch) | |
| tree | 9eb5ac260b85930cb16519d814ce83abd9ff7cb4 /share/extensions/run_command.py | |
| parent | disable unused pdf-input-cairo (diff) | |
| download | inkscape-6bd9f46bfe5e567626239fb8e8d62e00b1021657.tar.gz inkscape-6bd9f46bfe5e567626239fb8e8d62e00b1021657.zip | |
patch by sas from 227449 with my changes for using ps2pdf instead of pstoedit
(bzr r5924)
Diffstat (limited to 'share/extensions/run_command.py')
| -rw-r--r-- | share/extensions/run_command.py | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/share/extensions/run_command.py b/share/extensions/run_command.py new file mode 100644 index 000000000..0919d767d --- /dev/null +++ b/share/extensions/run_command.py @@ -0,0 +1,86 @@ +import os
+import sys
+import tempfile
+
+"""
+run_command.py
+Module for running SVG-generating commands 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
+"""
+
+# Run a command that generates an SVG file from an input file.
+# On success, outputs the contents of the SVG file 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.
+def run(command_format, prog_name):
+ svgfile = tempfile.mktemp(".svg")
+ command = command_format % svgfile
+ 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 SVG file to stdout.
+ if msg is None:
+ try:
+ f = open(svgfile, "rb")
+ data = f.read() + sys.stdout.write(data)
+ f.close()
+ except IOError, inst:
+ msg = "Error reading temporary SVG file: %s" % str(inst)
+
+ # Clean up.
+ try: + os.remove(svgfile)
+ 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)
+
+
+# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
|