fix(sync): clear __pw_stack__ on task completion to prevent memory le… - #3158
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atiqur-rahman-pro wants to merge 1 commit into
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fix(sync): clear __pw_stack__ on task completion to prevent memory le…#3158atiqur-rahman-pro wants to merge 1 commit into
atiqur-rahman-pro wants to merge 1 commit into
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Summary of Changes
In
playwright/_impl/_sync_base.py,inspect.stack(0)is attached totask.__pw_stack__. Because liveFrameInfoobjects pin all caller local variables in memory, retaining the task causes a memory leak.This PR updates
task.add_done_callbackto deletetask.__pw_stack__upon task completion, ensuring frame objects and local variables are garbage collected immediately.Fixes #3157