help_provider.py
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00001 # Copyright (c) 2011, Dirk Thomas, Dorian Scholz, TU Darmstadt
00002 # All rights reserved.
00003 #
00004 # Redistribution and use in source and binary forms, with or without
00005 # modification, are permitted provided that the following conditions
00006 # are met:
00007 #
00008 #   * Redistributions of source code must retain the above copyright
00009 #     notice, this list of conditions and the following disclaimer.
00010 #   * Redistributions in binary form must reproduce the above
00011 #     copyright notice, this list of conditions and the following
00012 #     disclaimer in the documentation and/or other materials provided
00013 #     with the distribution.
00014 #   * Neither the name of the TU Darmstadt nor the names of its
00015 #     contributors may be used to endorse or promote products derived
00016 #     from this software without specific prior written permission.
00017 #
00018 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00019 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00020 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00021 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00022 # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00023 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00024 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00025 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00026 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00027 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
00028 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00029 # POSSIBILITY OF SUCH DAMAGE.
00030 
00031 import webbrowser
00032 
00033 from python_qt_binding.QtCore import QObject, Slot
00034 from rospkg import InvalidManifest, MANIFEST_FILE, parse_manifest_file
00035 
00036 from .ros_package_helper import get_package_path
00037 
00038 
00039 class HelpProvider(QObject):
00040 
00041     """Handler for the help action in the title bar of dock widgets."""
00042 
00043     def __init__(self):
00044         super(HelpProvider, self).__init__()
00045 
00046     @Slot(object)
00047     def plugin_help_request(self, plugin_descriptor):
00048         package_name = plugin_descriptor.attributes()['package_name']
00049         package_path = get_package_path(package_name)
00050         try:
00051             manifest = parse_manifest_file(package_path, MANIFEST_FILE)
00052         except (InvalidManifest, IOError):
00053             return
00054         webbrowser.open(manifest.url)


qt_gui
Author(s): Dirk Thomas
autogenerated on Thu Jun 6 2019 18:07:34