Recognize common None loads when checking script returns. Keep the public cache tag version-derived while retaining the private DA16 format boundary. Release the thread-slot borrow before exception decrefs can finalize an interpreter.
Assisted-by: OpenAI Codex:model identifier unavailable
Preserve the frozen publication checkpoint separately. Integrate main 9ea138c8, mapping 7d06dd085, and bytearray 108171d without extending compiler implementation scope. Source-only integration; historical test results are not fresh validation of this tree.
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Integrate verified source-less initialization fix 108171d and its published ancestors. No separate comparison optimization is included. Source-only integration checkpoint; new validation remains pending.
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Merge the genuine prerequisite review base without changing the verified compiler candidate source tree. Historical validation belongs to candidate 275962170a, tree 13cd8aef7dbee7dacad773afd5ca04dfc1e82328; this commit only records base ancestry.
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Combine the reviewed mapping prerequisite and bytearray buffer prerequisite used by compiler candidate 275962170a. This branch is a temporary review base, not a mainline merge.
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Preserve option validation and initial export rejection, then avoid a redundant resize guard and storage swap when no source was provided. Keep zero-count callback behavior and all existing regressions.
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Preserve all existing regression bodies and coverage while following the requested snippet organization.
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Support directory-relative FIFO creation. Retry interrupted path opens while releasing the interpreter and honoring signal-handler exceptions; preserve raw directory descriptors across callbacks.
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Keep operation-specific export and release ordering for comparisons, searches, affix tuples and translation. Resolve padding arguments before borrowing the receiver, and retain buffer owners through computation without holding bytearray locks across Python callbacks.
Add bounded Python regressions for callback mutation, reentrant initialization, lazy affixes, subclass protocols and ordered cleanup.
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Acquire both operand exports before borrowing their bytes and release them in CPython order. Cover reentrant initialization, mutable callbacks and export cleanup through public concatenation APIs.
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Reset initializer storage before zero-count callbacks and returns. Validate integer deletion indices with a nonblocking snapshot before export rejection where possible, then revalidate under the resize guard. Preserve fast export rejection when contended to avoid codec callback deadlocks.
Add Python regressions for exported-empty rejection, initializer capacity release, callback ordering, and ordinary deletion error precedence.
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Share exact-TypeError rewriting between dict and frozendict without attaching a cause. Propagate string and repr callback failures using final BaseException argument formatting, leaving global diagnostic behavior unchanged. Add bounded Python coverage for context, identity, and formatting failures.
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Preserve every test source and assertion. Each updated snapshot body matches both certified final CPython and the integrated candidate with exact final opcode/dis metadata. Retain original snapshots and comparison provenance in the local validation evidence.
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Copied only opcode.py, its _opcode_metadata.py dependency, and dis.py using scripts/update_lib copy-lib from pinned CPython d220409a13b77de7a6c30abe16ea90db01528edc. Local validation stage; Rust prerequisites retain merge-order precedence.
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Combine the independently preserved compiler ABI/storage/writer/cache series with current main, frozendict support, and the bytearray buffer-race repair. Preserve prerequisite Lib imports exactly; no new opcode/dis imports. Combined runtime validation remains pending.
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Finalize supported constants and five assembly field owners through one private compilation pool. Preserve typed and signed-zero keys, explicit NaN/code/slice exclusions, and frozen/reader/constructor boundaries. Keep real owners and existing marshal policy.
Focused checks and bounded behavior pass. Expanded strict corpus retains three pre-existing frozenset-order mismatches; full marshal/public format parity and integration gates remain unresolved.
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Keep descriptor acquisition and export retention under the bytearray read lock, and recheck exports after acquiring a resize lock. Guard initializer and sequence deletion writes, preserve zero-index initialization callbacks, and match RawIOBase.read buffer ownership without bypassing export checks.
Add bounded Python export-lifetime and concurrent decode/memoryview regression coverage.
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Observe physical ownership before common-writer lookup, preserving the exact interned-string exception and all real table and transport owners. Add full versioned stream, container, lifetime and bounded thread-churn regressions.
Focused validation improves ordinary exact streams from86 to118 of150; code corpus full parity and native borrowed-call ownership remain unresolved.
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Retain real per-write reference owners and serialize stable code-field objects, including canonical monitored bytecode. Preserve the legacy compiler/frozen path and existing reference selection policy.
Focused checks pass; full byte parity, public cache format, native ownership and Lib integration remain open.
Assisted-by: OpenAI Codex:model identifier unavailable
Represent runtime constants with one immutable tuple owner and copy-on-write compiler views. Finalize code fields with Context, retain public reader field objects, and preserve canonical normalization without mutating published tuples.
Add owner-lifetime, reader-hook and Python identity coverage. Focused checks, Clippy, native tests and finite compiler capture verified. Full integration and marshal byte parity remain pending.
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Capture immutable normalized bytecode before publication and lazily retain one public bytes object. Reconstruct replacement code from canonical instructions. Add cold, warmed, decoded, frozen, monitored and generator-flags coverage.
Focused VM check/Clippy, native behavior, certified reference and strict finite corpus validated. Full workspace/CAPI/release follow-on validation remains pending; no serialization parity claim.
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Import exact-final copy.py with update_lib; defer Mapping ABC registration to the later library stage. Generate only proven marker corrections, retain observed debug recursion-limit expected failures, and copy the complete canonical builtin-doc discovery test using hash-pinned update_lib copy-test.
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Index conditional test classes and methods without crossing namespaces, reject ambiguous targets, and preserve inherited override indentation. Add hash-pinned whole-test copying that verifies execution context and exact source bytes, with focused Python fixtures.
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Resolve executable symlinks for virtual-environment paths while retaining macOS framework launcher behavior. Include directory-canonicalization and launcher regressions, using core for UTF-8 checks.
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Use native type names, None spelling, and UTF-8 byte precision for invalid name arguments without changing accepted strings or hashing behavior.
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Use index-sized conversion, preserve __index__ exceptions, and bound native type names to the UTF-8-safe diagnostic limit. Include in-memory blob read and write regressions without changing callback ownership.
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Retain raw element and attribute prefixes when namespace_separator is None. Keep expanded names and parser configuration unchanged, with regression coverage in the pyexpat snippet.
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Match native type names, None spelling, and UTF-8 byte limits while preserving removal behavior. Keep all six regression cases in the existing XML snippet.
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Restore the two-line fix from #9078 onto main after it was merged into the Python 3.15 staging branch.
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Check initialization and attachment before rejecting deletion, and use the final reference error message. Preserve initialized, uninitialized, detached, ASCII-subclass, and non-ASCII-subclass regression cases with their exact Python 3.15 outcomes. No bundled Lib files change.
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* Target Python 3.15 using the final upstream reference
Update active version and comparison configuration to Python 3.15.0. Preserve the alpha implementation status, actual bytecode format, and existing libraries pending separate migration. Align generated library-upgrade workflow pins without changing permissions or actions.
Assisted-by: OpenAI Codex:model identifier unavailable
* Adapt essential snippet contracts to Python 3.15 final
Preserve existing coverage while following verified final behavior for script metadata, builtin signatures and loading, AST fixture construction, memoryview diagnostics, mmap search bounds, and struct format errors. The unchanged final comparator exposes the earlier expectations; focused native baseline failures establish the required implementation changes.
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* Keep final-reference regression paths and remove expired sysconfig argument
Preserve reverse multiplication syntax and native exact overflow diagnostics. Accept the two source-proven CPython 3.15 specialization messages only in affected reverse str/bytes/tuple cases. Use an actually out-of-range Windows datetime errno fixture. Remove the sysconfig check_home argument at its existing canonical 3.15 removal test boundary.
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* Keep README wording unchanged in Python 3.15 transition
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* Match Python 3.15 repetition specialization and keep universal tests
Use exact sequence-type guards and preserve generic fallback diagnostics. Validate both cold and warmed expressions without implementation-specific assertions. Reject stale CPython source checkouts and cross-version library caches.
Assisted-by: OpenAI Codex:model identifier unavailable
* Limit in-place specialization additions to exact sequence repetition
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* Keep subclass regression scoped to repetition dispatch
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* Provision final CPython 3.15 with pinned uv builds
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* Enforce Python 3.15 AST constructor requirements
Reject retired missing-field and arbitrary-keyword forms while preserving defaults and explicit placeholders. Sync only matching final CPython constructor test hunks.
Assisted-by: OpenAI Codex:model identifier unavailable
* Keep seeded Python ahead of its Windows DLL directory
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* Keep opcode metadata tied to the implemented bytecode format
The interpreter target and reference tests use Python 3.15.0, but the current Rust opcode enum retains the 3.14 bytecode format. Generate metadata from its matching source rather than importing unsupported instruction families.
Assisted-by: OpenAI Codex:model identifier unavailable
* Align CSV, logarithm and decimal formatting with Python 3.15
Propagate dialect lookup errors except AttributeError, retry integer logarithms after float overflow, and update the decimal conversion diagnostic. Exercise the final reference contracts without implementation-specific branches.
Assisted-by: OpenAI Codex:model identifier unavailable
* Bind the logarithm index result before borrowing its integer
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* Align required canonical test expectations with Python 3.15
Take only demonstrated contract changes from CPython v3.15.0, d220409a13b77de7a6c30abe16ea90db01528edc: removed module __cached__, Struct format exception classes, and decimal-format diagnostic. Preserve unrelated tests and expectations.
Assisted-by: OpenAI Codex:model identifier unavailable
* Track pending frozendict pickle support during the 3.15 transition
Keep the two existing frozendict pickle tests running as expected failures until #8951 supplies the builtin. Unexpected success will signal removal of these temporary markers.
Assisted-by: OpenAI Codex:model identifier unavailable
* Support final Python 3.15 Windows negative timestamps
Use FILETIME for pre-epoch conversions and preserve precise Windows timestamp errors.
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* Derive historical Windows timezone offsets from wall time
FILETIME reports historical DST as unknown, so calculate the actual offset rather than selecting standard-time bias.
Assisted-by: OpenAI Codex:model identifier unavailable
* Identify decimal formatting arguments in Python 3.15 errors
Track consumed positional arguments, including star width and precision, and preserve mapping key representations in decimal conversion diagnostics.
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* Reuse mapping format keys for lookup and error context
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* Borrow mapping diagnostic keys as Python objects
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* Avoid empty components in the reference Python library path
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* Isolate RustPython bytecode caches during the 3.15 transition
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* Sync final Windows timestamp test expectations
Import only the final CPython platform-limit guards and mktime roundtrip expectation required by the existing Windows CI suite.
Assisted-by: OpenAI Codex:model identifier unavailable
* Restore official Python setup for 3.15 final
Use the existing pinned setup-python action now that its official catalog supplies CPython 3.15.0. Remove the temporary standalone provisioning action and its sparse-checkout entry while retaining interpreter outputs and requested versions.
Assisted-by: OpenAI Codex:model identifier unavailable
* Align merged runtime contracts with Python 3.15 final
Restrict mappingproxy ordering, use final codec registry normalization, and prefer index conversion before float conversion for sleep. Retain universal Python assertions and import the matching final codec/time canonical test hunks plus the non-ASCII codec-name deprecation warning.
Upstream source: CPython d220409a13b77de7a6c30abe16ea90db01528edc. The existing codec normalization implementation and bytecode contract remain unchanged.
Assisted-by: OpenAI Codex:model identifier unavailable
* Limit Windows launcher version check to its interpreter
Exclude only the CPython py.exe version-identity case from RustPython CI. The installed launcher reports its own final version, while RustPython correctly remains alpha. Preserve the other 45 launcher cases and all RustPython version assertions without modifying Lib.
Assisted-by: OpenAI Codex:model identifier unavailable
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Co-authored-by: Jeong, YunWon <69878+youknowone@users.noreply.github.com>
* Preserve ParamSpec bounds as in Python 3.14.8
Extract the backported bound-validation removal and align the CPython reference pin to 3.14.8 so both snippet interpreters exercise the same contract.
Assisted-by: OpenAI Codex:model identifier unavailable
* Align TextIOWrapper chunk-size deletion with Python 3.14.8
The 3.14.8 reference pin exposes the Argument Clinic deletion guard moved before initialization and attachment checks by CPython 90a1f02b7da0c356d10a23f1faee7dc063f887ed. Preserve assignment checks and align the exact deletion error, including subclass type names.
Assisted-by: OpenAI Codex:model identifier unavailable
* Validate mmap assignments against current storage
Use the existing mapping guard for bounds and writes after argument conversion, including empty assignments. Match the Python 3.14.8 ordering while preserving export guards and ownership APIs.
Assisted-by: OpenAI Codex:model identifier unavailable
* Align mmap boundary regression with Python 3.14.8
Include the matching upstream GH-158027 test-data correction: use an integer RHS so the unchanged IndexError assertion checks index bounds after conversion. Preserve the runtime assignment and storage guards.
Assisted-by: OpenAI Codex:model identifier unavailable
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Co-authored-by: Jeong, YunWon <69878+youknowone@users.noreply.github.com>
Use the existing f-string body unparser for template interpolation format specs, while preserving the outer interpolation source text. Add compile-only Python annotation-constant coverage.
Assisted-by: OpenAI Codex:model identifier unavailable
Match Python 3.14 by excluding coroutine-marked generator expressions from builtin call optimization. Reuse the existing cursor-preserving comprehension lookup so nested outer iterable scopes do not select the wrong symbol table; propagate lookup errors.
Assisted-by: OpenAI Codex:model identifier unavailable
Match the Python 3.14 wrapper type flag and enable the existing guarded method-call fast path. Keep the partial vectorcall changes separate.
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Only lazy aliases may obtain their module from the evaluation function. Eager aliases without a caller __name__ must not inspect their stored value.
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Keep the existing conversion and initialization path while binding format as positional-or-keyword, matching Python 3.14.
Assisted-by: OpenAI Codex:model identifier unavailable
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