diff options
Diffstat (limited to 'stator/graph.py')
| -rw-r--r-- | stator/graph.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/stator/graph.py b/stator/graph.py index 00ef1c4..ef81d75 100644 --- a/stator/graph.py +++ b/stator/graph.py @@ -11,6 +11,7 @@ class StateGraph: choices: ClassVar[List[Tuple[object, str]]] initial_state: ClassVar["State"] terminal_states: ClassVar[Set["State"]] + automatic_states: ClassVar[Set["State"]] def __init_subclass__(cls) -> None: # Collect state memebers @@ -30,6 +31,7 @@ class StateGraph: ) # Check the graph layout terminal_states = set() + automatic_states = set() initial_state = None for state in cls.states.values(): # Check for multiple initial states @@ -65,10 +67,12 @@ class StateGraph: raise ValueError( f"State '{state}' does not have a handler method ({state.handler_name})" ) + automatic_states.add(state) if initial_state is None: raise ValueError("The graph has no initial state") cls.initial_state = initial_state cls.terminal_states = terminal_states + cls.automatic_states = automatic_states # Generate choices cls.choices = [(name, name) for name in cls.states.keys()] |