change: EAFP refactoring of HierarchicalStateMachine._next_state()

fkromer · fkromer · commit b91a5261d705 · 2016-05-13T19:52:40.000+02:00
diff --git a/hsm.py b/hsm.py
@@ -40,9 +40,9 @@ def __init__(self):
 'operator inservice': self._current_state.on_operator_inservice}
 
 def _next_state(self, state):
- if state in self.states.keys():
+ try:
 self._current_state = self.states[state]
- else:
+ except KeyError:
 raise UnsupportedState
 
 def _send_diagnostics_request(self):

-Original file line number
+Diff line change
 'operator inservice': self._current_state.on_operator_inservice}
 def_next_state(self, state):
 -ifstateinself.states.keys():
 +try:
 self._current_state=self.states[state]
 -else:
 +exceptKeyError:
 raiseUnsupportedState
 def_send_diagnostics_request(self):