gstreamer/debug-viewer/gst-debug-viewer.py

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#!/usr/bin/env python
# -*- coding: utf-8; mode: python; -*-
#
# GStreamer Debug Viewer
#
# Copyright (C) 2007 René Stadler <mail@renestadler.de>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
"""GStreamer Debug Viewer program invocation."""
def main ():
import sys
import os.path
def substituted (s):
if s.startswith ("$") and s.endswith ("$"):
return None
else:
return s
# These "$"-enclosed strings are substituted at install time by a custom
# distutils extension (see setup.py). If you don't see any dollar signs at
# all, you are looking at an installed version of this file.
data_dir = substituted ("$DATADIR$")
lib_dir = substituted ("$LIBDIR$")
if data_dir:
installed = True
else:
# Substitution has not been run, we are running uninstalled:
lib_dir = os.path.dirname (os.path.abspath (sys.argv[0]))
installed = False
if lib_dir:
if not os.path.normpath (lib_dir) in [os.path.normpath (p)
for p in sys.path]:
sys.path.insert (0, lib_dir)
try:
import GstDebugViewer
except ImportError, exc:
print >> sys.stderr, str (exc)
sys.exit (1)
else:
if installed:
GstDebugViewer.Paths.setup_installed (data_dir)
else:
# Assume that we reside inside the source dist.
source_dir = os.path.dirname (os.path.abspath (sys.argv[0]))
GstDebugViewer.Paths.setup_uninstalled (source_dir)
GstDebugViewer.run ()
if __name__ == "__main__":
main ()