Python: Restrict persisted checkpoint deserialization by default#4941

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moonbox3 merged 20 commits intomicrosoft:mainfrom

moonbox3:agent/fix-4894-1

Apr 10, 2026

Commits on Mar 27, 2026

Harden Python checkpoint persistence defaults

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fix: resolve mypy no-any-return error in checkpoint encoding

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Simplify find_class return in _RestrictedUnpickler (#4894)

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Address review feedback for #4894: Python: Harden Python checkpoint persistence defaults
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Restore # noqa: S301 on line 102 of _checkpoint_encoding.py (#4894)

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Address review feedback for #4894: Python: Harden Python checkpoint persistence defaults
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Address PR review comments on checkpoint encoding (#4894)

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Address PR #4941 review comments: fix docstring position and return type

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Address review feedback for #4894: review comment fixes
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Commits on Apr 8, 2026

Merge remote-tracking branch 'upstream/main' into agent/fix-4894-1
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fix: use pickle.UnpicklingError in RestrictedUnpickler and improve docstring (#4894)

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fix: address PR #4941 review comments for checkpoint encoding

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fix: replace deprecated 'builtin' repo with pre-commit-hooks in pre-commit config

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style: apply pyupgrade formatting to docstring example

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fix: resolve pre-commit hook paths for monorepo git root

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Commits on Apr 9, 2026

Merge remote-tracking branch 'upstream/main' into agent/fix-4894-1
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Fix pre-commit config paths for prek --cd python execution

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fix: add builtins:getattr to checkpoint deserialization allowlist

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Address review feedback for #4894: review comment fixes
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Merge branch 'main' into agent/fix-4894-1
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