8000 gh-93353: Add test.support.late_deletion() by vstinner · Pull Request #93774 · python/cpython · GitHub
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Merged
merged 3 commits into from
Jun 13, 2022
Merged

gh-93353: Add test.support.late_deletion() #93774

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0355bea
gh-93353: Add test.support.late_deletion()
vstinner Jun 13, 2022
84eb078
Rephrase the documentation
vstinner Jun 13, 2022
148bcff
Fix Windows support
vstinner Jun 13, 2022
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Rephrase the documentation
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@vstinner
vstinner committed Jun 13, 2022
commit 84eb078604fecda942a74482f83960bcb9c45f78
7 changes: 4 additions & 3 deletions Lib/test/support/__init__.py
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Expand Up @@ -2229,21 +2229,22 @@ def late_deletion(obj):

# Late CPython finalization:
# - finalize_interp_clear()
# - _PyInterpreterState_Clear()
# - _PyInterpreterState_Clear(): Clear PyInterpreterState members
# (ex: codec_search_path, before_forkers)
# - clear os.register_at_fork() callbacks
# - clear codecs.register() callbacks

ref_cycle = [obj]
ref_cycle.append(ref_cycle)

# PyInterpreterState.codec_search_path
# Store a reference in PyInterpreterState.codec_search_path
import codecs
def search_func(encoding):
return None
search_func.reference = ref_cycle
codecs.register(search_func)

# PyInterpreterState.before_forkers
# Store a reference in PyInterpreterState.before_forkers
def atfork_func():
pass
atfork_func.reference = ref_cycle
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