main.py

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#!/usr/bin/env python

# Software License Agreement (BSD License)
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# Copyright (c) 2012, Willow Garage, Inc.
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import argparse
import os
import sys

import roslib
roslib.load_manifest('rqt_gui')

from qt_gui.main import Main as Base


class Main(Base):

    def __init__(self, filename=None):
        super(Main, self).__init__(filename, 'rqt_gui')
        self._plugin_cache = None

    def _add_arguments(self, parser):
        super(Main, self)._add_arguments(parser)

        parser.add_argument('-c', '--cache-plugins', dest='cache_plugins', default=False, action='store_true',
                          help='cache list of available plugins (trading faster start-up for not up-to-date plugin list)')

        # ignore ROS specific remapping arguments (see http://www.ros.org/wiki/Remapping%20Arguments)
        for arg in ['__name', '__log', '__ip', '__hostname', '__master', '__ns']:
            parser.add_argument(arg, nargs='?', help=argparse.SUPPRESS)

    def _add_plugin_providers(self):
        if self._options.cache_plugins:
            from .ros_plugin_provider_cache import RosPluginProviderCache
            self._plugin_cache = RosPluginProviderCache()
            self._plugin_cache.load()

        try:
            from .rospkg_plugin_provider import RospkgPluginProvider
            ActualRosPluginProvider = RospkgPluginProvider
        except ImportError:
            from .roslib_plugin_provider import RoslibPluginProvider
            ActualRosPluginProvider = RoslibPluginProvider

        # do not import earlier as it would import Qt stuff without the proper initialization from qt_gui.main
        from qt_gui.recursive_plugin_provider import RecursivePluginProvider
        self.plugin_providers.append(ActualRosPluginProvider('qt_gui', 'qt_gui_py::Plugin'))
        self.plugin_providers.append(RecursivePluginProvider(ActualRosPluginProvider('qt_gui', 'qt_gui_py::PluginProvider')))
        self.plugin_providers.append(RecursivePluginProvider(ActualRosPluginProvider('rqt_gui', 'rqt_gui_py::PluginProvider')))

    def _caching_hook(self):
        if self._plugin_cache is not None:
            self._plugin_cache.save()

    def _add_reload_paths(self, reload_importer):
        super(Main, self)._add_reload_paths(reload_importer)
        reload_importer.add_reload_path(os.path.join(os.path.dirname(__file__), *('..',) * 4))


if __name__ == '__main__':
    main = Main()
    sys.exit(main.main())