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- 10 commits
- 95 files changed
- 5 contributors
Commits on Mar 10, 2026
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Bump syn from 2.0.114 to 2.0.117 (#7393)
Bumps [syn](https://github.com/dtolnay/syn) from 2.0.114 to 2.0.117. - [Release notes](https://github.com/dtolnay/syn/releases) - [Commits](dtolnay/syn@2.0.114...2.0.117) --- updated-dependencies: - dependency-name: syn dependency-version: 2.0.117 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Base implementation of _tokenize module
Port from PR #6240 by ShaharNaveh, adapted to current codebase. Uses ruff_python_parser for tokenization via TokenizerIter.
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Rewrite _tokenize with 2-phase model
Replace per-line reparsing with single-pass tokenization: - Read all lines via readline, parse once, yield tokens - Fix token type values (COMMENT=65, NL=66, OP=55) - Fix NEWLINE/NL end positions and implicit newline handling - Fix DEDENT positions via look-ahead to next non-DEDENT token - Handle FSTRING_MIDDLE brace unescaping ({{ → {, }} → }) - Emit implicit NL before ENDMARKER when source lacks trailing newline - Raise IndentationError from lexer errors - Remove 13 expectedFailure marks for now-passing tests -
Bump insta from 1.46.1 to 1.46.3 (#7394)
Bumps [insta](https://github.com/mitsuhiko/insta) from 1.46.1 to 1.46.3. - [Release notes](https://github.com/mitsuhiko/insta/releases) - [Changelog](https://github.com/mitsuhiko/insta/blob/master/CHANGELOG.md) - [Commits](mitsuhiko/insta@1.46.1...1.46.3) --- updated-dependencies: - dependency-name: insta dependency-version: 1.46.3 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Implement _tokenize and update tokenize from v3.14.3 (#7392)
* Base implementation of _tokenize module Port from PR #6240 by ShaharNaveh, adapted to current codebase. Uses ruff_python_parser for tokenization via TokenizerIter. * Update tokenize from v3.14.3 * Rewrite _tokenize with 2-phase model Replace per-line reparsing with single-pass tokenization: - Read all lines via readline, parse once, yield tokens - Fix token type values (COMMENT=65, NL=66, OP=55) - Fix NEWLINE/NL end positions and implicit newline handling - Fix DEDENT positions via look-ahead to next non-DEDENT token - Handle FSTRING_MIDDLE brace unescaping ({{ → {, }} → }) - Emit implicit NL before ENDMARKER when source lacks trailing newline - Raise IndentationError from lexer errors - Remove 13 expectedFailure marks for now-passing tests --------- Co-authored-by: ShaharNaveh <shaharnaveh@users.noreply.github.com> Co-authored-by: CPython Developers <>
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Fix parking lot hash table after fork (#6963)
* Use patched parking_lot_core with fork-safe HASHTABLE reset parking_lot_core's global HASHTABLE retains stale ThreadData after fork(), causing segfaults when contended locks enter park(). Use the patched version from youknowone/parking_lot (rustpython branch) which registers a pthread_atfork handler to reset the hash table. Unskip test_asyncio TestFork. Add Manager+fork integration test. * Unskip fork-related flaky tests after parking_lot fix With parking_lot_core's HASHTABLE now properly reset via pthread_atfork, fork-related segfaults and connection errors in multiprocessing tests should be resolved. Remove skip/expectedFailure markers from: - test_concurrent_futures/test_wait.py (6 tests) - test_concurrent_futures/test_process_pool.py (1 test) - test_multiprocessing_fork/test_manager.py (all WithManagerTest*) - test_multiprocessing_fork/test_misc.py (5 tests) - test_multiprocessing_fork/test_threads.py (2 tests) - _test_multiprocessing.py (2 shared_memory tests) Keep test_repr_rlock skipped (flaky thread start latency, not fork-related).
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Save errno inside allow_threads in semaphore acquire (#7391)
allow_threads may call attach_thread() on return, which can invoke syscalls that clobber errno. Capture errno inside the closure before it is lost.
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Refine specialization caches and extend binary-op coverage (#7386)
* Align BINARY_OP_EXTEND with CPython descriptor cache model * Align type _spec_cache and latin1 singleton string paths * Add specialization differential harness and align init error text * Tighten CALL_ALLOC_AND_ENTER_INIT stack-space guard * Align call-init frame flow and spec cache atomic ordering * Refine call-init recursion guard and cache swap lifetime handling * Align spec cache write locking with CPython contract * Align load attr miss cooldown with CPython * Align CALL descriptor and class-call specialization with CPython * Extract datastack_frame_size_bytes_for_code, skip monitoring for init_cleanup frames, guard trace dispatch - Extract datastack_frame_size_bytes_for_code as free function, use it to compute init_cleanup stack bytes instead of hardcoded constant - Add monitoring_disabled_for_code to skip instrumentation for synthetic init_cleanup code object in RESUME and execute_instrumented - Add is_trace_event guard so profile-only events skip trace_func dispatch
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