return except LibraryNotFoundException, e: logger.error( "Library could not be loaded: {0}\n" "Skipping library and continuing loading the state machine".format( str(e.message))) state_info = storage_utils.load_objects_from_json(path_core_data, as_dict=True) state_id = state_info["state_id"] dummy_state = HierarchyState(LIBRARY_NOT_FOUND_DUMMY_STATE_NAME, state_id=state_id) # set parent of dummy state if isinstance(parent, ContainerState): parent.add_state(dummy_state, storage_load=True) else: dummy_state.parent = parent return dummy_state # Transitions and data flows are not added when loading a state, as also states are not added. # We have to wait until the child states are loaded, before adding transitions and data flows, as otherwise the # validity checks for transitions and data flows would fail if not isinstance(state_info, tuple): state = state_info else: state = state_info[0] transitions = state_info[1] data_flows = state_info[2] # set parent of state if parent is not None and isinstance(parent, ContainerState): parent.add_state(state, storage_load=True)
def load_state_recursively(parent, state_path=None, dirty_states=[]): """Recursively loads the state It calls this method on each sub-state of a container state. :param parent: the root state of the last load call to which the loaded state will be added :param state_path: the path on the filesystem where to find the meta file for the state :param dirty_states: a dict of states which changed during loading :return: """ from rafcon.core.states.execution_state import ExecutionState from rafcon.core.states.container_state import ContainerState from rafcon.core.states.hierarchy_state import HierarchyState path_core_data = os.path.join(state_path, FILE_NAME_CORE_DATA) logger.debug("Load state recursively: {0}".format(str(state_path))) # TODO: Should be removed with next minor release if not os.path.exists(path_core_data): path_core_data = os.path.join(state_path, FILE_NAME_CORE_DATA_OLD) try: state_info = load_data_file(path_core_data) except ValueError as e: logger.exception("Error while loading state data: {0}".format(e)) return except LibraryNotFoundException as e: logger.error( "Library could not be loaded: {0}\n" "Skipping library and continuing loading the state machine".format( e)) state_info = storage_utils.load_objects_from_json(path_core_data, as_dict=True) state_id = state_info["state_id"] dummy_state = HierarchyState(LIBRARY_NOT_FOUND_DUMMY_STATE_NAME, state_id=state_id) # set parent of dummy state if isinstance(parent, ContainerState): parent.add_state(dummy_state, storage_load=True) else: dummy_state.parent = parent return dummy_state # Transitions and data flows are not added when loading a state, as also states are not added. # We have to wait until the child states are loaded, before adding transitions and data flows, as otherwise the # validity checks for transitions and data flows would fail if not isinstance(state_info, tuple): state = state_info else: state = state_info[0] transitions = state_info[1] data_flows = state_info[2] # set parent of state if parent is not None and isinstance(parent, ContainerState): parent.add_state(state, storage_load=True) else: state.parent = parent # read script file if state is an ExecutionState if isinstance(state, ExecutionState): script_text = read_file(state_path, state.script.filename) state.script.set_script_without_compilation(script_text) # load semantic data try: semantic_data = load_data_file( os.path.join(state_path, SEMANTIC_DATA_FILE)) state.semantic_data = semantic_data except Exception as e: # semantic data file does not have to be there pass one_of_my_child_states_not_found = False # load child states for p in os.listdir(state_path): child_state_path = os.path.join(state_path, p) if os.path.isdir(child_state_path): if not os.path.exists( os.path.join(child_state_path, FILE_NAME_CORE_DATA)): # this means that child_state_path is a folder, not containing a valid state # this also happens when pip creates __pycache__ folders for the script.py files upon installing rafcon continue child_state = load_state_recursively(state, child_state_path, dirty_states) if not child_state: return None if child_state.name is LIBRARY_NOT_FOUND_DUMMY_STATE_NAME: one_of_my_child_states_not_found = True if one_of_my_child_states_not_found: # omit adding transitions and data flows in this case pass else: # Now we can add transitions and data flows, as all child states were added if isinstance(state_info, tuple): # safe version # state.transitions = transitions # state.data_flows = data_flows state._transitions = transitions for _, transition in state.transitions.items(): transition._parent = ref(state) state._data_flows = data_flows for _, data_flow in state.data_flows.items(): data_flow._parent = ref(state) state.file_system_path = state_path if state.marked_dirty: dirty_states.append(state) return state
def load_state_recursively(parent, state_path=None, dirty_states=[]): """Recursively loads the state It calls this method on each sub-state of a container state. :param parent: the root state of the last load call to which the loaded state will be added :param state_path: the path on the filesystem where to find the meta file for the state :param dirty_states: a dict of states which changed during loading :return: """ from rafcon.core.states.execution_state import ExecutionState from rafcon.core.states.container_state import ContainerState from rafcon.core.states.hierarchy_state import HierarchyState from rafcon.core.singleton import library_manager path_core_data = get_core_data_path(state_path) path_meta_data = get_meta_data_path(state_path) logger.debug("Load state recursively: {0}".format(str(state_path))) try: state_info = load_data_file(path_core_data) except ValueError as e: logger.exception("Error while loading state data: {0}".format(e)) return except LibraryNotFoundException as e: if global_config.get_config_value( "RAISE_ERROR_ON_MISSING_LIBRARY_STATES", False) or not library_manager.show_dialog: raise logger.error( "Library could not be loaded: {0}\n" "Skipping library and continuing loading the state machine".format( e)) state_info = storage_utils.load_objects_from_json(path_core_data, as_dict=True) missing_library_meta_data = None if os.path.exists(path_meta_data): missing_library_meta_data = Vividict( storage_utils.load_objects_from_json(path_meta_data)) state_id = state_info["state_id"] outcomes = { outcome['outcome_id']: Outcome(outcome['outcome_id'], outcome['name']) for outcome in state_info["outcomes"].values() } dummy_state = HierarchyState( LIBRARY_NOT_FOUND_DUMMY_STATE_NAME, state_id=state_id, outcomes=outcomes, is_dummy=True, missing_library_meta_data=missing_library_meta_data) library_name = state_info['library_name'] path_parts = os.path.join(state_info['library_path'], library_name).split(os.sep) dummy_state.description = 'The Missing Library Path: %s\nThe Missing Library Name: %s\n\n' % ( state_info['library_path'], library_name) from rafcon.core.singleton import library_manager if path_parts[0] in library_manager.library_root_paths: dummy_state.description += 'The Missing Library OS Path: %s' % os.path.join( library_manager.library_root_paths[path_parts[0]], * path_parts[1:]) else: dummy_state.description += 'The missing library was located in the missing library root "%s"' % path_parts[ 0] # set parent of dummy state if isinstance(parent, ContainerState): parent.add_state(dummy_state, storage_load=True) else: dummy_state.parent = parent return dummy_state except LibraryNotFoundSkipException: return None # Transitions and data flows are not added when loading a state, as also states are not added. # We have to wait until the child states are loaded, before adding transitions and data flows, as otherwise the # validity checks for transitions and data flows would fail if not isinstance(state_info, tuple): state = state_info else: state = state_info[0] transitions = state_info[1] data_flows = state_info[2] # set parent of state if parent is not None and isinstance(parent, ContainerState): parent.add_state(state, storage_load=True) else: state.parent = parent # read script file if state is an ExecutionState if isinstance(state, ExecutionState): script_text = read_file(state_path, state.script.filename) state.script.set_script_without_compilation(script_text) # load semantic data try: semantic_data = load_data_file( os.path.join(state_path, SEMANTIC_DATA_FILE)) state.semantic_data = semantic_data except Exception as e: # semantic data file does not have to be there pass # load child states for p in os.listdir(state_path): child_state_path = os.path.join(state_path, p) if os.path.isdir(child_state_path): if not os.path.exists( os.path.join(child_state_path, FILE_NAME_CORE_DATA)): # this means that child_state_path is a folder, not containing a valid state # this also happens when pip creates __pycache__ folders for the script.py files upon installing rafcon continue child_state = load_state_recursively(state, child_state_path, dirty_states) if not child_state: return None # Now we can add transitions and data flows, as all child states were added if isinstance(state_info, tuple): safe_init = global_config.get_config_value("LOAD_SM_WITH_CHECKS", True) if safe_init: # this will trigger all validity checks the state machine state.transitions = transitions else: state._transitions = transitions state._data_flows = data_flows for _, transition in state.transitions.items(): transition._parent = ref(state) state._data_flows = data_flows for _, data_flow in state.data_flows.items(): data_flow._parent = ref(state) state.file_system_path = state_path if state.marked_dirty: dirty_states.append(state) return state