gstreamer/subprojects/gst-devtools/debug-viewer/gst-debug-viewer

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#!/usr/bin/env python3
# -*- 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."""
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def main():
import sys
import os.path
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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.
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data_dir = substituted("@DATADIR@")
lib_dir = substituted("@LIBDIR@")
if data_dir:
installed = True
else:
# Substitution has not been run, we are running within a development
# environment:
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lib_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
installed = False
if lib_dir:
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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:
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print(str(exc), file=sys.stderr)
sys.exit(1)
else:
if installed:
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GstDebugViewer.Paths.setup_installed(data_dir)
else:
# Assume that we reside inside the source dist.
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source_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
GstDebugViewer.Paths.setup_devenv(source_dir)
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GstDebugViewer.run()
if __name__ == "__main__":
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main()