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Add mode option to PendingGroup #338

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Merged
fleming79 merged 1 commit into from
Feb 24, 2026
Merged

Add mode option to PendingGroup #338

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8 changes: 6 additions & 2 deletions src/async_kernel/caller.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1113,7 +1113,7 @@ async def wait(
break
return done, pending

def create_pending_group(self, *, shield: bool = False):
def create_pending_group(self, *, shield: bool = False, mode: Literal[0, 1, 2] = 0) -> PendingGroup:
"""
Create a new [PendingGroup][async_kernel.pending.PendingGroup] instance.

Expand All @@ -1124,6 +1124,10 @@ def create_pending_group(self, *, shield: bool = False):

Args:
shield: Shield the pending group from external cancellation.
mode: The mode.
- 0: Ignore cancellation of pending.
- 1: Cancel if any pending is cancelled - raise PendingCancelled on exit.
- 2: Cancel if any pending is cancelled - exit quietly.

Usage:

Expand All @@ -1133,4 +1137,4 @@ def create_pending_group(self, *, shield: bool = False):
...
```
"""
return PendingGroup(shield=shield)
return PendingGroup(shield=shield, mode=mode)
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