def get_field_type_capable_with_index(field_string):
'''get type even if it contains [] for array'''
m = re.search('(.+)(\[[0-9]+\])$', field_string)
if m:
return helpers.get_field_type(m.group(1))
else:
return helpers.get_field_type(field_string)
def _change_publisher_expression(self, publisher_info, topic_name, new_value):
expression = str(new_value)
if len(expression) == 0:
if topic_name in publisher_info['expressions']:
del publisher_info['expressions'][topic_name]
#qDebug('Publisher._change_publisher_expression(): removed expression for: %s' % (topic_name))
else:
slot_type, is_array = get_field_type(topic_name)
if is_array:
slot_type = list
# strip possible trailing error message from expression
error_prefix = '# error'
error_prefix_pos = expression.find(error_prefix)
if error_prefix_pos >= 0:
expression = expression[:error_prefix_pos]
success, _ = self._evaluate_expression(expression, slot_type)
if success:
old_expression = publisher_info['expressions'].get(topic_name, None)
publisher_info['expressions'][topic_name] = expression
#print 'Publisher._change_publisher_expression(): topic: %s, type: %s, expression: %s' % (topic_name, slot_type, new_value)
self._fill_message_slots(publisher_info['message_instance'], publisher_info['topic_name'], publisher_info['expressions'], publisher_info['counter'])
try:
publisher_info['message_instance']._check_types()
except Exception as e:
print('serialization error: %s' % e)
if old_expression is not None:
publisher_info['expressions'][topic_name] = old_expression
else:
del publisher_info['expressions'][topic_name]
return '%s %s: %s' % (expression, error_prefix, e)
return expression
else:
return '%s %s evaluating as "%s"' % (expression, error_prefix, slot_type.__name__)
def _change_publisher_expression(self, publisher_info, topic_name, new_value):
expression = str(new_value)
if len(expression) == 0:
if topic_name in publisher_info['expressions']:
del publisher_info['expressions'][topic_name]
#qDebug('Publisher._change_publisher_expression(): removed expression for: %s' % (topic_name))
else:
slot_type, is_array = get_field_type(topic_name)
if is_array:
slot_type = list
# strip possible trailing error message from expression
error_prefix = '# error'
error_prefix_pos = expression.find(error_prefix)
if error_prefix_pos >= 0:
expression = expression[:error_prefix_pos]
success, _ = self._evaluate_expression(expression, slot_type)
if success:
old_expression = publisher_info['expressions'].get(topic_name, None)
publisher_info['expressions'][topic_name] = expression
#print 'Publisher._change_publisher_expression(): topic: %s, type: %s, expression: %s' % (topic_name, slot_type, new_value)
self._fill_message_slots(publisher_info['message_instance'], publisher_info['topic_name'], publisher_info['expressions'], publisher_info['counter'])
try:
publisher_info['message_instance']._check_types()
except Exception as e:
print('serialization error: %s' % e)
if old_expression is not None:
publisher_info['expressions'][topic_name] = old_expression
else:
del publisher_info['expressions'][topic_name]
return '%s %s: %s' % (expression, error_prefix, e)
return expression
else:
return '%s %s evaluating as "%s"' % (expression, error_prefix, slot_type.__name__)
def _change_message_expression(self, message_info, topic_name, new_value):
expression = str(new_value)
if len(expression) == 0:
if topic_name in message_info['expressions']:
del message_info['expressions'][topic_name]
#qDebug('MsgEditor._change_message_expression(): removed expression for: %s' % (topic_name))
else:
slot_type, is_array = get_field_type(topic_name)
if is_array:
slot_type = list
# strip possible trailing error message from expression
error_prefix = '# error'
error_prefix_pos = expression.find(error_prefix)
if error_prefix_pos >= 0:
expression = expression[:error_prefix_pos]
success, _ = self._evaluate_expression(expression, slot_type)
if success:
old_expression = message_info['expressions'].get(topic_name, None)
message_info['expressions'][topic_name] = expression
#print 'MsgEditor._change_message_expression(): topic: %s, type: %s, expression: %s' % (topic_name, slot_type, new_value)
self._fill_message_slots(message_info['instance'], message_info['topic_name'], message_info['expressions'], message_info['counter'])
try:
message_info['instance']._check_types()
except Exception, e:
error_str = str(e)
print 'serialization error:', error_str
if old_expression is not None:
message_info['expressions'][topic_name] = old_expression
else:
del message_info['expressions'][topic_name]
return '%s %s: %s' % (expression, error_prefix, error_str)
return expression
else:
def accepted_topic(topic):
msg_types = [OccupancyGrid, Path, PolygonStamped, PointStamped]
msg_type, array = get_field_type(topic)
if not array and msg_type in msg_types:
return True
else:
return False
def accepted_topic(topic):
msg_types = [OccupancyGrid, Path, PolygonStamped, PointStamped]
msg_type, array = get_field_type(topic)
if not array and msg_type in msg_types:
return True
else:
return False
def dropEvent(self, e):
if e.mimeData().hasText():
topic_name = str(e.mimeData().text())
else:
dropped_item = e.source().selectedItems()[0]
topic_name = str(dropped_item.data(0, Qt.UserRole))
topic_type, array = get_field_type(topic_name)
if not array:
if topic_type is OccupancyGrid:
self.map_topic = topic_name
# Swap out the nav view for one with the new topics
self.new_nav_view()
elif topic_type is Path:
self.paths.append(topic_name)
self._nav_view.add_path(topic_name)
elif topic_type is PolygonStamped:
self.polygons.append(topic_name)
self._nav_view.add_polygon(topic_name)
def dropEvent(self, e):
if e.mimeData().hasText():
topic_name = str(e.mimeData().text())
else:
droped_item = e.source().selectedItems()[0]
topic_name = str(droped_item.data(0, Qt.UserRole))
topic_type, array = get_field_type(topic_name)
if not array:
if topic_type is OccupancyGrid:
self.map = topic_name
# Swap out the nav view for one with the new topics
self._nav_view.close()
self._nav_view = NavView(self.map, self.paths, self.polygons, self._tf, self)
self._layout.addWidget(self._nav_view)
elif topic_type is Path:
self.paths.append(topic_name)
self._nav_view.add_path(topic_name)
elif topic_type is PolygonStamped:
self.polygons.append(topic_name)
self._nav_view.add_polygon(topic_name)
def _change_message_expression(self, message_info, topic_name, new_value):
expression = str(new_value)
if len(expression) == 0:
if topic_name in message_info['expressions']:
del message_info['expressions'][topic_name]
#qDebug('MsgEditor._change_message_expression(): removed expression for: %s' % (topic_name))
else:
slot_type, is_array = get_field_type(topic_name)
if is_array:
slot_type = list
# strip possible trailing error message from expression
error_prefix = '# error'
error_prefix_pos = expression.find(error_prefix)
if error_prefix_pos >= 0:
expression = expression[:error_prefix_pos]
success, _ = self._evaluate_expression(expression, slot_type)
if success:
old_expression = message_info['expressions'].get(
topic_name, None)
message_info['expressions'][topic_name] = expression
#print 'MsgEditor._change_message_expression(): topic: %s, type: %s, expression: %s' % (topic_name, slot_type, new_value)
self._fill_message_slots(message_info['instance'],
message_info['topic_name'],
message_info['expressions'],
message_info['counter'])
try:
message_info['instance']._check_types()
except Exception, e:
error_str = str(e)
print 'serialization error:', error_str
if old_expression is not None:
message_info['expressions'][
topic_name] = old_expression
else:
del message_info['expressions'][topic_name]
return '%s %s: %s' % (expression, error_prefix, error_str)
return expression
else:
