Implicit integer ICP if only nocycle graphs.

cylc · Sep 22, 2022 · 129c2e3 · 129c2e3
1 parent a53ac82
commit 129c2e3
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/cylc/flow/config.py b/cylc/flow/config.py
@@ -271,8 +271,8 @@ def __init__(
         self.xtrigger_mgr = xtrigger_mgr
         self.workflow_polling_tasks = {}  # type: ignore # TODO figure out type
 
-        self.initial_point: 'PointBase'
-        self.start_point: 'PointBase'
+        self.initial_point: Optional['PointBase'] = None
+        self.start_point: Optional['PointBase'] = None
         self.stop_point: Optional['PointBase'] = None
         self.final_point: Optional['PointBase'] = None
         self.nocycle_sequences: Set['NocycleSequence'] = set()
@@ -589,9 +589,12 @@ def prelim_process_graph(self) -> None:
         if (
             'cycling mode' not in self.cfg['scheduling'] and
             self.cfg['scheduling'].get('initial cycle point', '1') == '1' and
-            all(item in ['graph', '1', 'R1'] for item in graphdict)
+            all(
+                item in ['graph', '1', 'R1', 'startup', 'shutdown']
+                for item in graphdict
+            )
         ):
-            # Pure acyclic graph, assume integer cycling mode with '1' cycle
+            # Non-cycling graph, assume integer cycling mode with '1' cycle
             self.cfg['scheduling']['cycling mode'] = INTEGER_CYCLING_TYPE
             for key in ('initial cycle point', 'final cycle point'):
                 if key not in self.cfg['scheduling']: