gstreamer/debug-viewer/gst-debug-viewer
Nicolas Dufresne 498e78897b debug-viewer: Allow running uninstalled with symlink
When uninstalled, we look at the directory of the executable to find
the resources. This patch uses realpath in replacement to abspath so
the path get expended, and symlink are followed.
2016-05-03 15:53:09 -04:00

68 lines
2.2 KiB
Python
Executable file

#!/usr/bin/env python
# -*- coding: utf-8; mode: python; -*-
#
# GStreamer Debug Viewer - View and analyze GStreamer debug log files
#
# 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.realpath (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 as 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.realpath (sys.argv[0]))
GstDebugViewer.Paths.setup_uninstalled (source_dir)
GstDebugViewer.run ()
if __name__ == "__main__":
main ()