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Title: Upgrade hmac to Python 3.14.2 by Copilot · Pull Request #6863 · RustPython/RustPython · GitHub

Open Graph Title: Upgrade hmac to Python 3.14.2 by Copilot · Pull Request #6863 · RustPython/RustPython

X Title: Upgrade hmac to Python 3.14.2 by Copilot · Pull Request #6863 · RustPython/RustPython

Description: Upgrades hmac module and test suite from Python 3.14.2 as part of the ongoing stdlib modernization effort. Changes Lib/hmac.py: Updated to support three HMAC implementations (OpenSSL, HACL*, pure Python) with automatic fallback logic. Added _get_digest_constructor() helper and _compute_digest_fallback() for overflow handling. Lib/test/test_hmac.py: Comprehensive rewrite using mixin-based architecture to test all three implementations. Increased test coverage from ~150 to 142 tests with better organization. Test markers: 27 tests marked as @unittest.expectedFailure due to missing RustPython _hashlib features: _hashlib.HMAC class _hashlib.hmac_digest() function Full hmac_new() implementation (currently raises UnsupportedDigestmodError) Test Results 142 tests total: 68 passed, 48 skipped (platform/module dependencies), 26 expected failures. Original prompt This section details on the original issue you should resolve Upgrade Python libraries and test from Python 3.14 ## Summary Check scripts/update_lib for tools. As a note, the current latest Python version is v3.14.2. Previous versions' issues as reference 3.13: #5529 Details 2026-01-24 $ python3 scripts/update_lib todo --done [no deps] types (40 dependents) test_types (10 TODO) [no deps] struct (17 dependents) test_struct (4 TODO) [no deps] stat (14 dependents) test_stat [no deps] operator (13 dependents) test_operator (3 TODO) [no deps] linecache (9 dependents) test_linecache [no deps] keyword (8 dependents) test_keyword [no deps] codecs (8 dependents) test_codecs (98 TODO) [no deps] future (6 dependents) [no deps] copyreg (6 dependents) test_copyreg [no deps] reprlib (6 dependents) test_reprlib (4 TODO) [no deps] bisect (5 dependents) test_bisect [no deps] token (5 dependents) [no deps] string (5 dependents) test_string [no deps] heapq (4 dependents) test_heapq [no deps] hashlib (2 dependents) test_hashlib (10 TODO) [no deps] hmac (2 dependents) test_hmac (18 TODO) [no deps] quopri (2 dependents) test_quopri [no deps] _sitebuiltins (2 dependents) [no deps] _compat_pickle (1 dependents) [no deps] _opcode_metadata (1 dependents) [no deps] mimetypes (1 dependents) test_mimetypes [no deps] cmd (1 dependents) test_cmd [no deps] stringprep (1 dependents) test_stringprep [no deps] tty (1 dependents) test_tty (2 TODO) [no deps] hello [no deps] phello [no deps] colorsys test_colorsys [no deps] this [no deps] _ios_support [no deps] pydoc_data [no deps] timeit test_timeit [no deps] zipimport test_zipimport (2 TODO) [0/3 deps] os (76 dependents) test_os (18 TODO) [0/4 deps] collections (32 dependents) test_collections (3 TODO) [0/1 deps] warnings (23 dependents) test_warnings (40 TODO) [0/1 deps] enum (17 dependents) test_enum (15 TODO) [0/1 deps] datetime (13 dependents) test_datetime [0/1 deps] _collections_abc (9 dependents) [0/1 deps] base64 (8 dependents) test_base64 [0/1 deps] textwrap (6 dependents) test_textwrap [0/1 deps] _weakrefset (4 dependents) [0/2 deps] codeop (3 dependents) test_codeop (5 TODO) [0/1 deps] numbers (3 dependents) [0/1 deps] contextvars (3 dependents) [0/3 deps] decimal (2 dependents) test_decimal (2 TODO) [0/1 deps] _markupbase (1 dependents) [0/1 deps] ipaddress (1 dependents) test_ipaddress [0/4 deps] fractions (1 dependents) test_fractions (1 TODO) [0/4 deps] rlcompleter (1 dependents) test_rlcompleter (1 TODO) [0/1 deps] graphlib test_graphlib [0/1 deps] nturl2path test_nturl2path [0/2 deps] sre_compile [0/2 deps] sre_constants [0/2 deps] sre_parse [1/3 deps] re (45 dependents) test_re (19 TODO) [1/5 deps] functools (33 dependents) test_functools (11 TODO) [1/1 deps] abc (15 dependents) test_abc (1 TODO) [1/2 deps] weakref (14 dependents) test_weakref (28 TODO) [1/3 deps] copy (9 dependents) test_copy [1/2 deps] ast (7 dependents) test_ast (104 TODO) [1/1 deps] signal (6 dependents) test_signal (3 TODO) [1/3 deps] posixpath (6 dependents) test_posixpath (4 TODO) [1/4 deps] random (6 dependents) test_random [1/6 deps] typing (6 dependents) test_typing (21 TODO) [1/8 deps] dataclasses (5 dependents) test_dataclasses (10 TODO) [1/4 deps] queue (4 dependents) test_queue [1/4 deps] json (4 dependents) test_json (18 TODO) [1/2 deps] selectors (4 dependents) test_selectors [1/2 deps] gettext (3 dependents) test_gettext (7 TODO) [1/1 deps] shlex (3 dependents) test_shlex (4 TODO) [1/3 deps] locale (3 dependents) test_locale [1/3 deps] difflib (2 dependents) test_difflib [1/2 deps] genericpath (2 dependents) test_genericpath (1 TODO) [1/2 deps] html (2 dependents) test_html [1/3 deps] site (2 dependents) test_site (5 TODO) [1/3 deps] filecmp (1 dependents) test_filecmp [1/2 deps] ntpath (1 dependents) test_ntpath [1/1 deps] opcode (1 dependents) [1/1 deps] pyclbr (1 dependents) test_pyclbr (3 TODO) -... Fixes #6839 ✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

Open Graph Description: Upgrades hmac module and test suite from Python 3.14.2 as part of the ongoing stdlib modernization effort. Changes Lib/hmac.py: Updated to support three HMAC implementations (OpenSSL, HACL*, pure...

X Description: Upgrades hmac module and test suite from Python 3.14.2 as part of the ongoing stdlib modernization effort. Changes Lib/hmac.py: Updated to support three HMAC implementations (OpenSSL, HACL*, pure...

Opengraph URL: https://github.com/RustPython/RustPython/pull/6863

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90c0962 Update hmac and test_hmac from Python 3.14.2 Copilot Jan 24, 2026 https://github.com/RustPython/RustPython/pull/6863/commits/90c0962aaa001ee11b44f9f43f47f53ded803939
e981603 Mark expected failures in test_hmac (27 TODOs) Copilot Jan 24, 2026 https://github.com/RustPython/RustPython/pull/6863/commits/e9816039c972222cafe3d7112e7ab73e245c5fb9
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