def _switch_perspective(self, name, settings_changed, save_before, without_plugin_changes=False):
# convert from unicode
name = str(name.replace('/', '__'))
qDebug('PerspectiveManager.switch_perspective() switching to perspective "%s"' % name)
if self._current_perspective is not None and self._menu_manager is not None:
self._menu_manager.set_item_checked(self._current_perspective, False)
self._menu_manager.set_item_disabled(self._current_perspective, False)
# create perspective if necessary
if name not in self.perspectives:
self._create_perspective(name, clone_perspective=False)
# update current perspective
self._current_perspective = name
if self._menu_manager is not None:
self._menu_manager.set_item_checked(self._current_perspective, True)
self._menu_manager.set_item_disabled(self._current_perspective, True)
if not self._current_perspective.startswith(self.HIDDEN_PREFIX):
self._settings_proxy.set_value('', 'current-perspective', self._current_perspective)
self._perspective_settings = self._get_perspective_settings(self._current_perspective)
# emit signals
self.perspective_changed_signal.emit(self._current_perspective.lstrip(self.HIDDEN_PREFIX))
if settings_changed:
if not without_plugin_changes:
self.restore_settings_signal.emit(self._global_settings, self._perspective_settings)
else:
self.restore_settings_without_plugin_changes_signal.emit(self._global_settings, self._perspective_settings)
def _init_node(self):
# initialize node once
if not self._node_initialized:
name = 'rqt_gui_py_node_%d' % os.getpid()
qDebug('RosPyPluginProvider._init_node() initialize ROS node "%s"' % name)
rospy.init_node(name, disable_signals=True)
self._node_initialized = True
def restore_settings_without_plugins(self, global_settings,
perspective_settings):
qDebug('PluginManager.restore_settings_without_plugins()')
self._global_settings = global_settings.get_settings('pluginmanager')
self._perspective_settings = perspective_settings.get_settings(
'pluginmanager')
self._restore_settings_restore()
def _on_remove_perspective(self):
# input dialog to choose perspective to be removed
names = list(self.perspectives)
names.remove(self._current_perspective)
name, return_value = QInputDialog.getItem(
self._menu_manager.menu,
self._menu_manager.tr('Remove perspective'),
self._menu_manager.tr('Select the perspective'), names, 0, False)
# convert from unicode
name = str(name)
if return_value == QInputDialog.Rejected:
return
if name not in self.perspectives:
raise UserWarning('unknown perspective: %s' % name)
qDebug('PerspectiveManager._on_remove_perspective(%s)' % str(name))
# remove from list of perspectives
self.perspectives.remove(name)
self._settings_proxy.set_value('', 'perspectives', self.perspectives)
# remove settings
settings = self._get_perspective_settings(name)
settings.remove('')
# remove from menu
self._menu_manager.remove_item(name)
# disable remove-action
if self._menu_manager.count_items() < 2:
self._remove_action.setEnabled(False)
def shutdown(self):
qDebug('Shutting down RosPyPluginProvider')
if self._spinner:
self._spinner.quit()
if self._node:
self._destroy_node()
super().shutdown()
def _reload_plugin_restore(self, handler, exception):
qDebug('PluginManager._reload_plugin_restore()')
self._load_plugin_completed(handler, exception)
if exception is None:
# restore settings after load
self._restore_plugin_settings(handler.instance_id(),
self._emit_load_plugin_completed)
def _close_application_shutdown_callback(self, instance_id=None):
if instance_id is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
if self._number_of_ongoing_calls == 0:
qDebug('PluginManager.close_application() completed')
self._number_of_ongoing_calls = None
self.close_application_signal.emit()
def load_bag(self, filename):
qDebug("Loading '%s'..." % filename)
self.set_status_text.emit("Loading '%s'..." % filename)
try:
bag = rosbag.Bag(filename)
self.capture_button.setEnabled(True)
self.play_button.setEnabled(True)
self.thumbs_button.setEnabled(True)
self.zoom_in_button.setEnabled(True)
self.zoom_out_button.setEnabled(True)
self.zoom_all_button.setEnabled(True)
self.next_button.setEnabled(True)
self.previous_button.setEnabled(True)
self.faster_button.setEnabled(True)
self.slower_button.setEnabled(True)
self.begin_button.setEnabled(True)
self.end_button.setEnabled(True)
self.save_button.setEnabled(True)
self.record_button.setEnabled(False)
self._timeline.add_bag(bag)
qDebug("Done loading '%s'" % filename)
# put the progress bar back the way it was
self.set_status_text.emit("")
except rosbag.ROSBagException as e:
qWarning("Loading '%s' failed due to: %s" % (filename, e))
self.set_status_text.emit("Loading '%s' failed due to: %s" %
(filename, e))
def _discover(self):
discovery_data = self._settings.get_settings('discovery_data')
# check timestamp of the cached discovery data
cache_stamp = self._settings.value('discovery_timestamp',
default_value=None)
if cache_stamp:
cache_stamp = float(cache_stamp)
# wipe cached data when forcing discovery or when cache is to old (or from the future)
now = time.time()
if self._application_context.options.force_discover or not cache_stamp or cache_stamp > now or cache_stamp + PluginManager.discovery_cache_max_age < now:
qDebug('PluginManager._discover() force discovery of plugins')
cache_stamp = None
for k in discovery_data.all_keys():
discovery_data.remove(k)
else:
qDebug(
'PluginManager._discover() using cached plugin discovery information'
)
plugin_descriptors = self._plugin_provider.discover(discovery_data)
# store timestamp and newly discovered data
if not cache_stamp:
self._settings.set_value('discovery_timestamp', now)
return plugin_descriptors
def _save_settings_callback(self, instance_id=None):
if instance_id is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
if self._number_of_ongoing_calls == 0:
qDebug('PluginManager.save_settings() completed')
self._number_of_ongoing_calls = None
self.save_settings_completed_signal.emit()
def _save_settings_callback(self, instance_id=None):
if instance_id is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
if self._number_of_ongoing_calls == 0:
qDebug('PluginManager.save_settings() completed')
self._number_of_ongoing_calls = None
self.save_settings_completed_signal.emit()
def _close_application_shutdown_callback(self, instance_id=None):
if instance_id is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
if self._number_of_ongoing_calls == 0:
qDebug('PluginManager.close_application() completed')
self._number_of_ongoing_calls = None
self._close_application_signal()
def _init_node(self):
# initialize node once
if not self._node_initialized:
name = 'rqt_gui_py_node_%d' % os.getpid()
qDebug('RosPyPluginProvider._init_node() initialize ROS node "%s"' % name)
rospy.init_node(name, disable_signals=True)
self._node_initialized = True
def load_bag(self, filename):
qDebug("Loading '%s'..." % filename.encode(errors='replace'))
# QProgressBar can EITHER: show text or show a bouncing loading bar,
# but apparently the text is hidden when the bounding loading bar is
# shown
# self.progress_bar.setRange(0, 0)
self.set_status_text.emit("Loading '%s'..." % filename)
# progress_format = self.progress_bar.format()
# progress_text_visible = self.progress_bar.isTextVisible()
# self.progress_bar.setFormat("Loading %s" % filename)
# self.progress_bar.setTextVisible(True)
try:
bag = rosbag.Bag(filename)
self.play_button.setEnabled(True)
self.thumbs_button.setEnabled(True)
self.zoom_in_button.setEnabled(True)
self.zoom_out_button.setEnabled(True)
self.zoom_all_button.setEnabled(True)
self.next_button.setEnabled(True)
self.previous_button.setEnabled(True)
self.faster_button.setEnabled(True)
self.slower_button.setEnabled(True)
self.begin_button.setEnabled(True)
self.end_button.setEnabled(True)
self.save_button.setEnabled(True)
self.record_button.setEnabled(False)
self._timeline.add_bag(bag)
qDebug("Done loading '%s'" % filename.encode(errors='replace'))
# put the progress bar back the way it was
self.set_status_text.emit("")
except rosbag.ROSBagException as e:
qWarning("Loading '%s' failed due to: %s" % (filename.encode(errors='replace'), e))
self.set_status_text.emit("Loading '%s' failed due to: %s" % (filename, e))
def save_settings(self, global_settings, perspective_settings):
qDebug('MainWindow.save_settings()')
self._global_settings = global_settings
self._perspective_settings = perspective_settings
self._settings = self._perspective_settings.get_settings('mainwindow')
# store current setup to current _settings
self._save_geometry_to_perspective()
self._save_state_to_perspective()
def load_plugin(self, plugin_id, serial_number=None, argv=None):
qDebug('PluginManager.load_plugin(%s, %s)' % (str(plugin_id), str(serial_number) if serial_number is not None else ''))
# save state of top-level widgets
self.plugins_about_to_change_signal.emit()
if serial_number is None:
serial_number = self._next_serial_number(plugin_id)
instance_id = PluginInstanceId(plugin_id, serial_number)
self._load_plugin_load(instance_id, self._load_plugin_restore, argv)
def restore_settings(self, global_settings, perspective_settings):
qDebug('MainWindow.restore_settings()')
# remember new _settings
self._global_settings = global_settings
self._perspective_settings = perspective_settings
self._settings = self._perspective_settings.get_settings('mainwindow')
# only restore geometry, restoring state is triggered after PluginManager has been updated
self._restore_geometry_from_perspective()
def emit_save_settings_completed(self):
qDebug('PluginHandler.emit_save_settings_completed()')
self._call_method_on_all_dock_widgets('save_settings', self.__instance_settings)
self.__instance_settings = None
if self.__callback is not None:
callback = self.__callback
self.__callback = None
callback(self._instance_id)
def emit_save_settings_completed(self):
qDebug('PluginHandler.emit_save_settings_completed()')
self._call_method_on_all_dock_widgets('save_settings', self.__instance_settings)
self.__instance_settings = None
if self.__callback is not None:
callback = self.__callback
self.__callback = None
callback(self._instance_id)
def run(self):
qDebug('Start called on RclpySpinner, spinning ros2 node')
executor = MultiThreadedExecutor()
executor.add_node(self._node)
while rclpy.ok() and not self._abort:
executor.spin_once(timeout_sec=1.0)
if not self._abort:
qWarning('rclpy.shutdown() was called before QThread.quit()')
def save_settings(self, global_settings, perspective_settings):
qDebug('MainWindow.save_settings()')
self._global_settings = global_settings
self._perspective_settings = perspective_settings
self._settings = self._perspective_settings.get_settings('mainwindow')
# store current setup to current _settings
self._save_geometry_to_perspective()
self._save_state_to_perspective()
def restore_settings(self, global_settings, perspective_settings):
qDebug('MainWindow.restore_settings()')
# remember new _settings
self._global_settings = global_settings
self._perspective_settings = perspective_settings
self._settings = self._perspective_settings.get_settings('mainwindow')
# only restore geometry, restoring state is triggered after PluginManager has been updated
self._restore_geometry_from_perspective()
def emit_restore_settings_completed(self):
qDebug('PluginHandler.emit_restore_settings_completed()')
# call after plugin has restored settings as it may spawn additional dock widgets
self._call_method_on_all_dock_widgets('restore_settings', self.__instance_settings)
self.__instance_settings = None
if self.__callback is not None:
callback = self.__callback
self.__callback = None
callback(self._instance_id)
def _restore_settings_restore_callback(self, instance_id=None):
if instance_id is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
if self._number_of_ongoing_calls == 0:
if instance_id is not None:
qDebug('PluginManager.restore_settings() all plugin settings restored')
self._number_of_ongoing_calls = None
# restore state of top-level widgets
self.plugins_changed_signal.emit()
def emit_restore_settings_completed(self):
qDebug('PluginHandler.emit_restore_settings_completed()')
# call after plugin has restored settings as it may spawn additional dock widgets
self._call_method_on_all_dock_widgets('restore_settings', self.__instance_settings)
self.__instance_settings = None
if self.__callback is not None:
callback = self.__callback
self.__callback = None
callback(self._instance_id)
def _save_settings_from_remote(self):
qDebug('PluginHandlerXEmbedClient._save_settings_from_remote()')
try:
plugin_settings = Settings(self._remote_plugin_settings, '')
instance_settings = Settings(self._remote_instance_settings, '')
self._save_settings(plugin_settings, instance_settings)
except Exception:
qCritical('PluginHandlerXEmbedClient._save_settings_from_remote() plugin "%s" raised an exception:\n%s' % (str(self._instance_id), traceback.format_exc()))
self.emit_save_settings_completed()
def _restore_settings_unload_obsolete_callback(self, instance_id=None):
if instance_id is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
self._remove_running_plugin(instance_id)
if self._number_of_ongoing_calls == 0:
if instance_id is not None:
qDebug('PluginManager.restore_settings() all obsolete plugins unloaded')
self._number_of_ongoing_calls = None
self._restore_settings_load_missing()
def load_bag(self, filename):
qDebug("Loading '%s'..." % filename)
self.set_status_text.emit("Loading '%s'..." % filename)
try:
bag = rosbag.Bag(filename)
self.capture_button.setEnabled(True)
except:
print("Error.")
def _restore_settings_load_missing_callback(self, handler=None, exception=None):
if handler is not None:
self._number_of_ongoing_calls = self._number_of_ongoing_calls - 1
self._load_plugin_completed(handler, exception)
if self._number_of_ongoing_calls == 0:
if handler is not None:
qDebug('PluginManager.restore_settings() all missing plugins loaded')
self._number_of_ongoing_calls = None
self._restore_settings_restore()
def _save_settings_from_remote(self):
qDebug('PluginHandlerXEmbedClient._save_settings_from_remote()')
try:
plugin_settings = Settings(self._remote_plugin_settings, '')
instance_settings = Settings(self._remote_instance_settings, '')
self._save_settings(plugin_settings, instance_settings)
except Exception:
qCritical('PluginHandlerXEmbedClient._save_settings_from_remote() plugin "%s" raised an exception:\n%s' % (str(self._instance_id), traceback.format_exc()))
self.emit_save_settings_completed()
def closeEvent(self, event):
qDebug('MainWindow.closeEvent()')
if not self._save_on_close_signaled:
self._save_geometry_to_perspective()
self._save_state_to_perspective()
self._save_on_close_signaled = True
self.save_settings_before_close_signal.emit(self._global_settings, self._perspective_settings)
event.ignore()
else:
event.accept()
def _init_node(self):
# initialize node once
if not self._node_initialized:
name = 'rqt_gui_py_node_%d' % os.getpid()
qDebug('RosPyPluginProvider._init_node() initialize ROS node "%s"' % name)
if not rclpy.ok():
rclpy.init()
self._node = rclpy.create_node(name)
self._spinner = RclpySpinner(self._node)
self._spinner.start()
self._node_initialized = True
def unload_plugin(self, instance_id_str):
# unloading a plugin with locked perspective or running standalone triggers close of application
if self._application_context.options.lock_perspective or self._application_context.options.standalone_plugin:
self.close_application_signal.emit()
return
instance_id = PluginInstanceId(instance_id=instance_id_str)
qDebug('PluginManager.unload_plugin(%s)' % str(instance_id))
# save state of top-level widgets
self.plugins_about_to_change_signal.emit()
# save settings before shutdown and unloading
self._save_plugin_settings(instance_id, self._unload_plugin_shutdown)
def unload_plugin(self, instance_id_str):
# unloading a plugin with locked perspective or running standalone triggers close of application
if self._application_context.options.lock_perspective or self._application_context.options.standalone_plugin:
self._close_application_signal()
return
instance_id = PluginInstanceId(instance_id=instance_id_str)
qDebug('PluginManager.unload_plugin(%s)' % str(instance_id))
# save state of top-level widgets
self.plugins_about_to_change_signal.emit()
# save settings before shutdown and unloading
self._save_plugin_settings(instance_id, self._unload_plugin_shutdown)
def _save_settings(self, global_settings, perspective_settings, callback):
qDebug('PluginManager.save_settings()')
self._global_settings = global_settings.get_settings('pluginmanager')
self._perspective_settings = perspective_settings.get_settings('pluginmanager')
self._store_running_plugins()
# trigger async call on all running plugins
self._number_of_ongoing_calls = len(self._running_plugins)
if self._number_of_ongoing_calls > 0:
for info in self._running_plugins.values():
self._save_plugin_settings(info['instance_id'], callback)
else:
callback()
def update(self):
"""
Update all the stats. This method may take awhile to complete as it will
communicate with all nodes + master.
"""
last_node_refresh = self.last_node_refresh
# nodes left to check
update_queue = None
# True if there are still more stats to fetch this cycle
work_to_do = True
# return value. True if new data differs from old
updated = False
# number of nodes we checked
num_nodes = 0
start_time = time.time()
while work_to_do:
# each time through the loop try to talk to either the master
# or a node. stop when we have talked to everybody.
# get a new node list from the master
if time.time() > (self.last_graph_refresh + self.graph_stale):
updated = self._graph_refresh()
self.last_graph_refresh = time.time()
# contact the nodes for stats
else:
# initialize update_queue based on most current nodes list
if update_queue is None:
update_queue = list(self.nn_nodes)
# no nodes left to contact
elif not update_queue:
work_to_do = False
# contact next node
else:
# figure out the next node to contact
next = update_queue.pop()
# rate limit talking to any particular node
if time.time() > (last_node_refresh.get(next, 0.0) + self.node_stale):
updated = self._node_refresh(next) or updated
# include in random offset (max 1/5th normal update interval)
# to help spread out updates
last_node_refresh[next] = \
time.time() + (random.random() * self.node_stale / 5.0)
num_nodes += 1
# small yield to keep from torquing the processor
time.sleep(0.01)
end_time = time.time()
qDebug("ROS stats update took %ss" % (end_time - start_time))
return updated
def event(self, e):
if e.type() == ReparentEvent.reparent_event_type:
qDebug('ContainerManager.event() reparent event: new parent=%s' %
e.new_parent.objectName())
floating = e.dock_widget.isFloating()
pos = e.dock_widget.pos()
e.new_parent.addDockWidget(Qt.BottomDockWidgetArea, e.dock_widget)
if floating:
e.dock_widget.setFloating(floating)
e.dock_widget.move(pos)
e.accept()
return True
return super(ContainerManager, self).event(e)
def restore_settings(self, plugin_settings, instance_settings, callback=None):
"""
Restore settings of the plugin (`Plugin.restore_settings()`) and all dock widget title bars.
Completion is signaled asynchronously if a callback is passed.
"""
qDebug('PluginHandler.restore_settings()')
self.__instance_settings = instance_settings
self.__callback = callback
try:
self._restore_settings(plugin_settings, instance_settings)
except Exception:
qCritical('PluginHandler.restore_settings() plugin "%s" raised an exception:\n%s' % (str(self._instance_id), traceback.format_exc()))
self.emit_restore_settings_completed()
def restore_settings(self, plugin_settings, instance_settings, callback=None):
"""
Restore settings of the plugin (`Plugin.restore_settings()`) and all dock widget title bars.
Completion is signaled asynchronously if a callback is passed.
"""
qDebug('PluginHandler.restore_settings()')
self.__instance_settings = instance_settings
self.__callback = callback
try:
self._restore_settings(plugin_settings, instance_settings)
except Exception:
qCritical('PluginHandler.restore_settings() plugin "%s" raised an exception:\n%s' % (str(self._instance_id), traceback.format_exc()))
self.emit_restore_settings_completed()
def _load(self):
if not Main.main_filename:
raise RuntimeError(
'PluginHandlerXEmbedContainer._load() filename of initially started script is unknown'
)
self._dbus_server = Server('tcp:bind=*')
self._dbus_server.on_connection_added.append(self._add_dbus_connection)
self._dbus_container_service = PluginHandlerDBusService(
self, self._dbus_object_path)
self._dbus_plugin_settings_service = SettingsProxyDBusService(
self._dbus_object_path + '/plugin')
self._dbus_instance_settings_service = SettingsProxyDBusService(
self._dbus_object_path + '/instance')
self._process = QProcess(self)
self._process.setProcessChannelMode(QProcess.SeparateChannels)
self._process.readyReadStandardOutput.connect(
self._print_process_output)
self._process.readyReadStandardError.connect(self._print_process_error)
self._process.finished.connect(self._emit_close_plugin)
# start python with unbuffered stdout/stderr so that the order of the output is retained
cmd = sys.executable + ' -u'
cmd += ' %s' % Main.main_filename
cmd += ' --qt-binding=%s' % QT_BINDING
cmd += ' --embed-plugin=%s --embed-plugin-serial=%s --embed-plugin-address=%s' % (
self.instance_id().plugin_id, self.instance_id().serial_number,
self._dbus_server.address)
if self.argv():
cmd += ' --args %s' % ' '.join(self.argv())
#qDebug('PluginHandlerXEmbedContainer._load() starting command: %s' % cmd)
self._process.start(cmd)
started = self._process.waitForStarted(3000)
if not started:
self._dbus_container_service.remove_from_connection()
self._dbus_plugin_settings_service.remove_from_connection()
self._dbus_instance_settings_service.remove_from_connection()
raise RuntimeError(
'PluginHandlerXEmbedContainer._load() could not start subprocess in reasonable time'
)
# QProcess.pid() has been added to PySide in 1.0.5
if hasattr(self._process, 'pid'):
self._pid = self._process.pid()
else:
# use serial number as a replacement for pid if not available
self.__class__._serial_number = self._serial_number + 1
self._pid = self._serial_number
qDebug(
'PluginHandlerXEmbedContainer._load() started subprocess (#%s) for plugin "%s"'
% (self._pid, str(self._instance_id)))
def start_plugin(self, plugin_name, argv):
qDebug('PluginManagerDBusInterface.start_plugin(%s)' % plugin_name)
plugins = self._plugin_manager.find_plugins_by_name(plugin_name)
if len(plugins) == 0:
msg = 'PluginManagerDBusInterface.start_plugin() found no plugin matching "%s"' % plugin_name
qWarning(msg)
return (1, msg)
elif len(plugins) > 1:
msg = 'PluginManagerDBusInterface.start_plugin() found multiple plugins matching "%s"\n%s' % (plugin_name, '\n'.join(plugins.values()))
qWarning(msg)
return (1, msg)
plugin_id = plugins.keys()[0]
self._plugin_manager.load_plugin(plugin_id, argv=argv.split(' ') if argv else [])
return (0, plugin_id)
def _restore_settings_save_obsolete(self):
# trigger shutdown of obsolete plugins
plugins = self._restore_running_plugins_get_plugins()
obsolete = []
for instance_id in self._running_plugins.keys():
if instance_id not in plugins.keys():
obsolete.append(PluginInstanceId(instance_id=instance_id))
self._number_of_ongoing_calls = len(obsolete)
if self._number_of_ongoing_calls > 0:
qDebug('PluginManager.restore_settings() unloading %d obsolete plugins' % self._number_of_ongoing_calls)
for instance_id in obsolete:
self._shutdown_plugin(instance_id, self._restore_settings_unload_obsolete)
else:
self._restore_settings_unload_obsolete_callback()
def _restore_settings_load_missing(self):
# trigger_load of not yet loaded plugins
plugins = self._restore_running_plugins_get_plugins()
loading = []
for instance_id_str, instance_id in plugins.items():
if instance_id_str not in self._running_plugins.keys():
loading.append(instance_id)
self._number_of_ongoing_calls = len(loading)
if self._number_of_ongoing_calls > 0:
qDebug('PluginManager.restore_settings() loading %d plugins' % self._number_of_ongoing_calls)
for instance_id in loading:
self._load_plugin_load(instance_id, self._restore_settings_load_missing_callback)
else:
self._restore_settings_load_missing_callback()
def _load_plugin_completed(self, handler, exception):
instance_id = handler.instance_id()
if exception is not None:
if isinstance(exception, PluginLoadError):
qWarning('PluginManager._load_plugin() could not load plugin "%s": %s' % (instance_id.plugin_id, exception))
else:
qCritical('PluginManager._load_plugin() could not load plugin "%s"%s' % (instance_id.plugin_id, (':\n%s' % traceback.format_exc() if exception != True else '')))
self._remove_running_plugin(instance_id)
# quit embed application
if self._application_context.options.embed_plugin:
exit(-1)
return
qDebug('PluginManager._load_plugin(%s) successful' % str(instance_id))
handler.close_signal.connect(self.unload_plugin)
handler.reload_signal.connect(self.reload_plugin)
handler.help_signal.connect(self._emit_plugin_help_signal)
def _create_perspective(self, name, clone_perspective=True):
# convert from unicode
name = str(name)
if name.find('/') != -1:
raise RuntimeError('PerspectiveManager._create_perspective() name must not contain forward slashs (/)')
qDebug('PerspectiveManager._create_perspective(%s, %s)' % (name, clone_perspective))
# add to list of perspectives
self.perspectives.append(name)
self._settings_proxy.set_value('', 'perspectives', self.perspectives)
# save current settings
if self._global_settings is not None and self._perspective_settings is not None:
self._callback = self._create_perspective_continued
self._callback_args = [name, clone_perspective]
self.save_settings_signal.emit(self._global_settings, self._perspective_settings)
else:
self._create_perspective_continued(name, clone_perspective)
def _remove_perspective(self, name):
if name not in self.perspectives:
raise UserWarning('unknown perspective: %s' % name)
qDebug('PerspectiveManager._remove_perspective(%s)' % str(name))
# remove from list of perspectives
self.perspectives.remove(name)
self._settings_proxy.set_value('', 'perspectives', self.perspectives)
# remove settings
settings = self._get_perspective_settings(name)
settings.remove('')
# remove from menu
self._menu_manager.remove_item(name)
# disable remove-action
if self._menu_manager.count_items() < 2:
self._remove_action.setEnabled(False)
def load_plugins(self):
from rqt_gui.rospkg_plugin_provider import RospkgPluginProvider
self.plugin_provider = RospkgPluginProvider('rqt_bag', 'rqt_bag::Plugin')
plugin_descriptors = self.plugin_provider.discover(None)
for plugin_descriptor in plugin_descriptors:
try:
plugin = self.plugin_provider.load(plugin_descriptor.plugin_id(), plugin_context=None)
except Exception as e:
qWarning('rqt_bag.TimelineFrame.load_plugins() failed to load plugin "%s":\n%s' % (plugin_descriptor.plugin_id(), e))
continue
try:
view = plugin.get_view_class()
except Exception as e:
qWarning('rqt_bag.TimelineFrame.load_plugins() failed to get view from plugin "%s":\n%s' % (plugin_descriptor.plugin_id(), e))
continue
timeline_renderer = None
try:
timeline_renderer = plugin.get_renderer_class()
except AttributeError:
pass
except Exception as e:
qWarning('rqt_bag.TimelineFrame.load_plugins() failed to get renderer from plugin "%s":\n%s' % (plugin_descriptor.plugin_id(), e))
msg_types = []
try:
msg_types = plugin.get_message_types()
except AttributeError:
pass
except Exception as e:
qWarning('rqt_bag.TimelineFrame.load_plugins() failed to get message types from plugin "%s":\n%s' % (plugin_descriptor.plugin_id(), e))
finally:
if not msg_types:
qWarning('rqt_bag.TimelineFrame.load_plugins() plugin "%s" declares no message types:\n%s' % (plugin_descriptor.plugin_id(), e))
for msg_type in msg_types:
self._viewer_types.setdefault(msg_type, []).append(view)
if timeline_renderer:
self._timeline_renderers[msg_type] = timeline_renderer(self)
qDebug('rqt_bag.TimelineFrame.load_plugins() loaded plugin "%s"' % plugin_descriptor.plugin_id())
def _load(self):
if not Main.main_filename:
raise RuntimeError('PluginHandlerXEmbedContainer._load() filename of initially started script is unknown')
self._dbus_server = Server('tcp:bind=*')
self._dbus_server.on_connection_added.append(self._add_dbus_connection)
self._dbus_container_service = PluginHandlerDBusService(self, self._dbus_object_path)
self._dbus_plugin_settings_service = SettingsProxyDBusService(self._dbus_object_path + '/plugin')
self._dbus_instance_settings_service = SettingsProxyDBusService(self._dbus_object_path + '/instance')
self._process = QProcess(self)
self._process.setProcessChannelMode(QProcess.SeparateChannels)
self._process.readyReadStandardOutput.connect(self._print_process_output)
self._process.readyReadStandardError.connect(self._print_process_error)
self._process.finished.connect(self._emit_close_plugin)
# start python with unbuffered stdout/stderr so that the order of the output is retained
cmd = sys.executable + ' -u'
cmd += ' %s' % Main.main_filename
cmd += ' --qt-binding=%s' % QT_BINDING
cmd += ' --embed-plugin=%s --embed-plugin-serial=%s --embed-plugin-address=%s' % (self.instance_id().plugin_id, self.instance_id().serial_number, self._dbus_server.address)
if self.argv():
cmd += ' --args %s' % ' '.join(self.argv())
#qDebug('PluginHandlerXEmbedContainer._load() starting command: %s' % cmd)
self._process.start(cmd)
started = self._process.waitForStarted(3000)
if not started:
self._dbus_container_service.remove_from_connection()
self._dbus_plugin_settings_service.remove_from_connection()
self._dbus_instance_settings_service.remove_from_connection()
raise RuntimeError('PluginHandlerXEmbedContainer._load() could not start subprocess in reasonable time')
# QProcess.pid() has been added to PySide in 1.0.5
if hasattr(self._process, 'pid'):
self._pid = self._process.pid()
else:
# use serial number as a replacement for pid if not available
self.__class__._serial_number = self._serial_number + 1
self._pid = self._serial_number
qDebug('PluginHandlerXEmbedContainer._load() started subprocess (#%s) for plugin "%s"' % (self._pid, str(self._instance_id)))
def get_field_type(topic_name):
"""
Get the Python type of a specific field in the given registered topic.
If the field is an array, the type of the array's values are returned and the is_array flag is set to True.
This is a static type check, so it works for unpublished topics and with empty arrays.
:param topic_name: name of field of a registered topic, ``str``, i.e. '/rosout/file'
:returns: field_type, is_array
"""
# get topic_type and message_evaluator
topic_type, real_topic_name, _ = get_topic_type(topic_name)
if topic_type is None:
#qDebug('topic_helpers.get_field_type(%s): get_topic_type failed' % (topic_name))
return None, False
message_class = roslib.message.get_message_class(topic_type)
if message_class is None:
qDebug('topic_helpers.get_field_type(%s): get_message_class(%s) failed' % (topic_name, topic_type))
return None, False
slot_path = topic_name[len(real_topic_name):]
return get_slot_type(message_class, slot_path)
def _discover(self):
discovery_data = self._settings.get_settings('discovery_data')
# check timestamp of the cached discovery data
cache_stamp = self._settings.value('discovery_timestamp', default_value=None)
if cache_stamp:
cache_stamp = float(cache_stamp)
# wipe cached data when forcing discovery or when cache is to old (or from the future)
now = time.time()
if self._application_context.options.force_discover or not cache_stamp or cache_stamp > now or cache_stamp + PluginManager.discovery_cache_max_age < now:
qDebug('PluginManager._discover() force discovery of plugins')
cache_stamp = None
for k in discovery_data.all_keys():
discovery_data.remove(k)
else:
qDebug('PluginManager._discover() using cached plugin discovery information')
plugin_descriptors = self._plugin_provider.discover(discovery_data)
# store timestamp and newly discovered data
if not cache_stamp:
self._settings.set_value('discovery_timestamp', now)
return plugin_descriptors
def sigint_handler(*args):
qDebug('\nsigint_handler()')
main_window.close()
def main(self, argv=None, standalone=None, plugin_argument_provider=None, plugin_manager_settings_prefix=''):
if argv is None:
argv = sys.argv
# extract --args and everything behind manually since argparse can not handle that
arguments = argv[1:]
# extract plugin specific args when not being invoked in standalone mode programmatically
if not standalone:
plugin_args = []
if '--args' in arguments:
index = arguments.index('--args')
plugin_args = arguments[index + 1:]
arguments = arguments[0:index + 1]
parser = ArgumentParser(os.path.basename(Main.main_filename), add_help=False)
self.add_arguments(parser, standalone=bool(standalone), plugin_argument_provider=plugin_argument_provider)
self._options = parser.parse_args(arguments)
if standalone:
# rerun parsing to separate common arguments from plugin specific arguments
parser = ArgumentParser(os.path.basename(Main.main_filename), add_help=False)
self.add_arguments(parser, standalone=bool(standalone))
self._options, plugin_args = parser.parse_known_args(arguments)
self._options.plugin_args = plugin_args
# set default values for options not available in standalone mode
if standalone:
self._options.freeze_layout = False
self._options.lock_perspective = False
self._options.multi_process = False
self._options.perspective = None
self._options.perspective_file = None
self._options.standalone_plugin = standalone
self._options.list_perspectives = False
self._options.list_plugins = False
self._options.command_pid = None
self._options.command_start_plugin = None
self._options.command_switch_perspective = None
self._options.embed_plugin = None
self._options.embed_plugin_serial = None
self._options.embed_plugin_address = None
# check option dependencies
try:
if self._options.plugin_args and not self._options.standalone_plugin and not self._options.command_start_plugin and not self._options.embed_plugin:
raise RuntimeError('Option --args can only be used together with either --standalone, --command-start-plugin or --embed-plugin option')
if self._options.freeze_layout and not self._options.lock_perspective:
raise RuntimeError('Option --freeze_layout can only be used together with the --lock_perspective option')
list_options = (self._options.list_perspectives, self._options.list_plugins)
list_options_set = [opt for opt in list_options if opt is not False]
if len(list_options_set) > 1:
raise RuntimeError('Only one --list-* option can be used at a time')
command_options = (self._options.command_start_plugin, self._options.command_switch_perspective)
command_options_set = [opt for opt in command_options if opt is not None]
if len(command_options_set) > 0 and not self._dbus_available:
raise RuntimeError('Without DBus support the --command-* options are not available')
if len(command_options_set) > 1:
raise RuntimeError('Only one --command-* option can be used at a time (except --command-pid which is optional)')
if len(command_options_set) == 0 and self._options.command_pid is not None:
raise RuntimeError('Option --command_pid can only be used together with an other --command-* option')
embed_options = (self._options.embed_plugin, self._options.embed_plugin_serial, self._options.embed_plugin_address)
embed_options_set = [opt for opt in embed_options if opt is not None]
if len(command_options_set) > 0 and not self._dbus_available:
raise RuntimeError('Without DBus support the --embed-* options are not available')
if len(embed_options_set) > 0 and len(embed_options_set) < len(embed_options):
raise RuntimeError('Missing option(s) - all \'--embed-*\' options must be set')
if len(embed_options_set) > 0 and self._options.clear_config:
raise RuntimeError('Option --clear-config can only be used without any --embed-* option')
groups = (list_options_set, command_options_set, embed_options_set)
groups_set = [opt for opt in groups if len(opt) > 0]
if len(groups_set) > 1:
raise RuntimeError('Options from different groups (--list, --command, --embed) can not be used together')
perspective_options = (self._options.perspective, self._options.perspective_file)
perspective_options_set = [opt for opt in perspective_options if opt is not None]
if len(perspective_options_set) > 1:
raise RuntimeError('Only one --perspective-* option can be used at a time')
if self._options.perspective_file is not None and not os.path.isfile(self._options.perspective_file):
raise RuntimeError('Option --perspective-file must reference existing file')
except RuntimeError as e:
print(str(e))
#parser.parse_args(['--help'])
# calling --help will exit
return 1
# set implicit option dependencies
if self._options.standalone_plugin is not None:
self._options.lock_perspective = True
# create application context containing various relevant information
from .application_context import ApplicationContext
context = ApplicationContext()
context.qtgui_path = self._qtgui_path
context.options = self._options
if self._dbus_available:
from dbus import DBusException, Interface, SessionBus
# non-special applications provide various dbus interfaces
if self._dbus_available:
context.provide_app_dbus_interfaces = len(groups_set) == 0
context.dbus_base_bus_name = 'org.ros.qt_gui'
if context.provide_app_dbus_interfaces:
context.dbus_unique_bus_name = context.dbus_base_bus_name + '.pid%d' % os.getpid()
# provide pid of application via dbus
from .application_dbus_interface import ApplicationDBusInterface
_dbus_server = ApplicationDBusInterface(context.dbus_base_bus_name)
# determine host bus name, either based on pid given on command line or via dbus application interface if any other instance is available
if len(command_options_set) > 0 or len(embed_options_set) > 0:
host_pid = None
if self._options.command_pid is not None:
host_pid = self._options.command_pid
else:
try:
remote_object = SessionBus().get_object(context.dbus_base_bus_name, '/Application')
except DBusException:
pass
else:
remote_interface = Interface(remote_object, context.dbus_base_bus_name + '.Application')
host_pid = remote_interface.get_pid()
if host_pid is not None:
context.dbus_host_bus_name = context.dbus_base_bus_name + '.pid%d' % host_pid
# execute command on host application instance
if len(command_options_set) > 0:
if self._options.command_start_plugin is not None:
try:
remote_object = SessionBus().get_object(context.dbus_host_bus_name, '/PluginManager')
except DBusException:
(rc, msg) = (1, 'unable to communicate with GUI instance "%s"' % context.dbus_host_bus_name)
else:
remote_interface = Interface(remote_object, context.dbus_base_bus_name + '.PluginManager')
(rc, msg) = remote_interface.start_plugin(self._options.command_start_plugin, ' '.join(self._options.plugin_args))
if rc == 0:
print('qt_gui_main() started plugin "%s" in GUI "%s"' % (msg, context.dbus_host_bus_name))
else:
print('qt_gui_main() could not start plugin "%s" in GUI "%s": %s' % (self._options.command_start_plugin, context.dbus_host_bus_name, msg))
return rc
elif self._options.command_switch_perspective is not None:
remote_object = SessionBus().get_object(context.dbus_host_bus_name, '/PerspectiveManager')
remote_interface = Interface(remote_object, context.dbus_base_bus_name + '.PerspectiveManager')
remote_interface.switch_perspective(self._options.command_switch_perspective)
print('qt_gui_main() switched to perspective "%s" in GUI "%s"' % (self._options.command_switch_perspective, context.dbus_host_bus_name))
return 0
raise RuntimeError('Unknown command not handled')
# choose selected or default qt binding
setattr(sys, 'SELECT_QT_BINDING', self._options.qt_binding)
from python_qt_binding import QT_BINDING
from python_qt_binding.QtCore import qDebug, qInstallMsgHandler, QSettings, Qt, QtCriticalMsg, QtDebugMsg, QtFatalMsg, QTimer, QtWarningMsg
from python_qt_binding.QtGui import QAction, QIcon, QMenuBar
from .about_handler import AboutHandler
from .composite_plugin_provider import CompositePluginProvider
from .container_manager import ContainerManager
from .help_provider import HelpProvider
from .icon_loader import get_icon
from .main_window import MainWindow
from .minimized_dock_widgets_toolbar import MinimizedDockWidgetsToolbar
from .perspective_manager import PerspectiveManager
from .plugin_manager import PluginManager
def message_handler(type_, msg):
colored_output = 'TERM' in os.environ and 'ANSI_COLORS_DISABLED' not in os.environ
cyan_color = '\033[36m' if colored_output else ''
red_color = '\033[31m' if colored_output else ''
reset_color = '\033[0m' if colored_output else ''
if type_ == QtDebugMsg and self._options.verbose:
print(msg, file=sys.stderr)
elif type_ == QtWarningMsg:
print(cyan_color + msg + reset_color, file=sys.stderr)
elif type_ == QtCriticalMsg:
print(red_color + msg + reset_color, file=sys.stderr)
elif type_ == QtFatalMsg:
print(red_color + msg + reset_color, file=sys.stderr)
sys.exit(1)
qInstallMsgHandler(message_handler)
app = self.create_application(argv)
self._check_icon_theme_compliance()
settings = QSettings(QSettings.IniFormat, QSettings.UserScope, 'ros.org', self._settings_filename)
if len(embed_options_set) == 0:
if self._options.clear_config:
settings.clear()
main_window = MainWindow()
if self._options.on_top:
main_window.setWindowFlags(Qt.WindowStaysOnTopHint)
main_window.statusBar()
def sigint_handler(*args):
qDebug('\nsigint_handler()')
main_window.close()
signal.signal(signal.SIGINT, sigint_handler)
# the timer enables triggering the sigint_handler
timer = QTimer()
timer.start(500)
timer.timeout.connect(lambda: None)
# create own menu bar to share one menu bar on Mac
menu_bar = QMenuBar()
if 'darwin' in platform.platform().lower():
menu_bar.setNativeMenuBar(True)
else:
menu_bar.setNativeMenuBar(False)
if not self._options.lock_perspective:
main_window.setMenuBar(menu_bar)
file_menu = menu_bar.addMenu(menu_bar.tr('&File'))
action = QAction(file_menu.tr('&Quit'), file_menu)
action.setIcon(QIcon.fromTheme('application-exit'))
action.triggered.connect(main_window.close)
file_menu.addAction(action)
else:
app.setQuitOnLastWindowClosed(False)
main_window = None
menu_bar = None
self._add_plugin_providers()
# setup plugin manager
plugin_provider = CompositePluginProvider(self.plugin_providers)
plugin_manager = PluginManager(plugin_provider, settings, context, settings_prefix=plugin_manager_settings_prefix)
if self._options.list_plugins:
# output available plugins
print('\n'.join(sorted(plugin_manager.get_plugins().values())))
return 0
help_provider = HelpProvider()
plugin_manager.plugin_help_signal.connect(help_provider.plugin_help_request)
# setup perspective manager
if main_window is not None:
perspective_manager = PerspectiveManager(settings, context)
if self._options.list_perspectives:
# output available perspectives
print('\n'.join(sorted(perspective_manager.perspectives)))
return 0
else:
perspective_manager = None
if main_window is not None:
container_manager = ContainerManager(main_window, plugin_manager)
plugin_manager.set_main_window(main_window, menu_bar, container_manager)
if not self._options.freeze_layout:
minimized_dock_widgets_toolbar = MinimizedDockWidgetsToolbar(container_manager, main_window)
main_window.addToolBar(Qt.BottomToolBarArea, minimized_dock_widgets_toolbar)
plugin_manager.set_minimized_dock_widgets_toolbar(minimized_dock_widgets_toolbar)
if menu_bar is not None:
perspective_menu = menu_bar.addMenu(menu_bar.tr('P&erspectives'))
perspective_manager.set_menu(perspective_menu)
# connect various signals and slots
if perspective_manager is not None and main_window is not None:
# signal changed perspective to update window title
perspective_manager.perspective_changed_signal.connect(main_window.perspective_changed)
# signal new settings due to changed perspective
perspective_manager.save_settings_signal.connect(main_window.save_settings)
perspective_manager.restore_settings_signal.connect(main_window.restore_settings)
perspective_manager.restore_settings_without_plugin_changes_signal.connect(main_window.restore_settings)
if perspective_manager is not None and plugin_manager is not None:
perspective_manager.save_settings_signal.connect(plugin_manager.save_settings)
plugin_manager.save_settings_completed_signal.connect(perspective_manager.save_settings_completed)
perspective_manager.restore_settings_signal.connect(plugin_manager.restore_settings)
perspective_manager.restore_settings_without_plugin_changes_signal.connect(plugin_manager.restore_settings_without_plugins)
if plugin_manager is not None and main_window is not None:
# signal before changing plugins to save window state
plugin_manager.plugins_about_to_change_signal.connect(main_window.save_setup)
# signal changed plugins to restore window state
plugin_manager.plugins_changed_signal.connect(main_window.restore_state)
# signal save settings to store plugin setup on close
main_window.save_settings_before_close_signal.connect(plugin_manager.close_application)
# signal save and shutdown called for all plugins, trigger closing main window again
plugin_manager.close_application_signal.connect(main_window.close, type=Qt.QueuedConnection)
if main_window is not None and menu_bar is not None:
about_handler = AboutHandler(context.qtgui_path, main_window)
help_menu = menu_bar.addMenu(menu_bar.tr('&Help'))
action = QAction(file_menu.tr('&About'), help_menu)
action.setIcon(QIcon.fromTheme('help-about'))
action.triggered.connect(about_handler.show)
help_menu.addAction(action)
# set initial size - only used without saved configuration
if main_window is not None:
main_window.resize(600, 450)
main_window.move(100, 100)
# ensure that qt_gui/src is in sys.path
src_path = os.path.realpath(os.path.join(os.path.dirname(__file__), '..'))
if src_path not in sys.path:
sys.path.append(src_path)
# load specific plugin
plugin = None
plugin_serial = None
if self._options.embed_plugin is not None:
plugin = self._options.embed_plugin
plugin_serial = self._options.embed_plugin_serial
elif self._options.standalone_plugin is not None:
plugin = self._options.standalone_plugin
plugin_serial = 0
if plugin is not None:
plugins = plugin_manager.find_plugins_by_name(plugin)
if len(plugins) == 0:
print('qt_gui_main() found no plugin matching "%s"' % plugin)
return 1
elif len(plugins) > 1:
print('qt_gui_main() found multiple plugins matching "%s"\n%s' % (plugin, '\n'.join(plugins.values())))
return 1
plugin = plugins.keys()[0]
qDebug('QtBindingHelper using %s' % QT_BINDING)
plugin_manager.discover()
if self._options.reload_import:
qDebug('ReloadImporter() automatically reload all subsequent imports')
from .reload_importer import ReloadImporter
_reload_importer = ReloadImporter()
self._add_reload_paths(_reload_importer)
_reload_importer.enable()
# switch perspective
if perspective_manager is not None:
if plugin:
perspective_manager.set_perspective(plugin, hide_and_without_plugin_changes=True)
elif self._options.perspective_file:
perspective_manager.import_perspective_from_file(self._options.perspective_file, perspective_manager.HIDDEN_PREFIX + '__cli_perspective_from_file')
else:
perspective_manager.set_perspective(self._options.perspective)
# load specific plugin
if plugin:
plugin_manager.load_plugin(plugin, plugin_serial, self._options.plugin_args)
running = plugin_manager.is_plugin_running(plugin, plugin_serial)
if not running:
return 1
if self._options.standalone_plugin:
# use icon of standalone plugin (if available) for application
plugin_descriptor = plugin_manager.get_plugin_descriptor(plugin)
action_attributes = plugin_descriptor.action_attributes()
if 'icon' in action_attributes and action_attributes['icon'] is not None:
base_path = plugin_descriptor.attributes().get('plugin_path')
try:
icon = get_icon(action_attributes['icon'], action_attributes.get('icontype', None), base_path)
except UserWarning:
pass
else:
app.setWindowIcon(icon)
if main_window is not None:
main_window.show()
if sys.platform == 'darwin':
main_window.raise_()
return app.exec_()
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import numpy
from qt_gui_py_common.simple_settings_dialog import SimpleSettingsDialog
from python_qt_binding.QtCore import Qt, qDebug, qWarning, Signal
from python_qt_binding.QtGui import QColor, QWidget, QHBoxLayout
try:
from pyqtgraph_data_plot import PyQtGraphDataPlot
except ImportError:
qDebug('[DEBUG] rqt_plot.plot: import of PyQtGraphDataPlot failed (trying other backends)')
PyQtGraphDataPlot = None
try:
from mat_data_plot import MatDataPlot
except ImportError:
qDebug('[DEBUG] rqt_plot.plot: import of MatDataPlot failed (trying other backends)')
MatDataPlot = None
try:
from qwt_data_plot import QwtDataPlot
except ImportError:
qDebug('[DEBUG] rqt_plot.plot: import of QwtDataPlot failed (trying other backends)')
QwtDataPlot = None
# separate class for DataPlot exceptions, just so that users can differentiate