gstreamer/subprojects/gst-devtools/debug-viewer/GstDebugViewer/Plugins/__init__.py

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# -*- 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 Plugins package."""
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__all__ = ["_", "_N", "FeatureBase", "PluginBase"]
import os.path
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def _N(s):
return s
def load(paths=()):
for path in paths:
for plugin_module in _load_plugins(path):
yield plugin_module.Plugin
def _load_plugins(path):
import imp
import glob
files = glob.glob(os.path.join(path, "*.py"))
for filename in files:
name = os.path.basename(os.path.splitext(filename)[0])
if name == "__init__":
continue
fp, pathname, description = imp.find_module(name, [path])
module = imp.load_module(name, fp, pathname, description)
yield module
class FeatureBase (object):
def __init__(self, app):
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pass
def handle_attach_window(self, window):
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"""
window: GstDebugViewer.GUI.window.Window
"""
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pass
def handle_attach_log_file(self, window, log_file):
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"""
window: GstDebugViewer.GUI.window.Window
log_file: GstDebugViewer.Data.LogFile
"""
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pass
def handle_detach_log_file(self, window, log_file):
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"""
window: GstDebugViewer.GUI.window.Window
log_file: GstDebugViewer.Data.LogFile
"""
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pass
def handle_detach_window(self, window):
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"""
window: GstDebugViewer.GUI.window.Window
"""
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pass
class PluginBase (object):
"""
All plugins must implement a class called Plugin inheriting from PluginBase.
They should place a tuple of features they export into 'features'. Each
feature should be a subclass of FeatureBase.
"""
features = ()
def __init__(self, app):
pass