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RustPython/.gitattributes
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Jeong, YunWon 322f294a21 common: add VM-independent codec and text engines (#8622)
* common: add PyPy CJK codec engines

Assisted-by: Codex:GPT-5

* common: mark CJK mapping tables generated

Assisted-by: Codex:GPT-5

* common: add reusable byte and text engines

Assisted-by: Codex:GPT-5

* common: record opt-in engine dependencies

Assisted-by: Codex:GPT-5

* stdlib: add `_multibytecodec` and the six `_codecs_*` modules

Wire the CJK codec engines in `rustpython-common` up to the VM. `_multibytecodec`
holds `MultibyteCodec`, `MultibyteIncrementalEncoder`, `MultibyteIncrementalDecoder`,
`MultibyteStreamReader` and `MultibyteStreamWriter`, the encode/decode drivers and
the error-handler protocol; each `_codecs_*` module exposes `getcodec` for the
encodings of its region.

`rustpython-stdlib` now enables the `cjk-codecs` feature of `rustpython-common`.

Add `cjk::decode_reset`, which the decoder `reset()` methods need. It differs from
building a fresh decoder state: ISO 2022 keeps its G1..G3 designations and the
escape-throughout flag, and resets only G0 and the shifted flag.

Drop the markers from the CJK codec tests and from the `test_codecs`, `test_io`,
`test_email`, `test_zipfile` and `test_traceback` cases that needed a CJK codec.
`test_codecs.BasicUnicodeTest.{test_basics,test_decoder_state}` stay expected
failures for an unrelated reason: `codecs.charmap_encode` rejects a `None` mapping.

Assisted-by: Claude Code:claude-opus-5

* stdlib: use the byte and text engines from `rustpython-common`

`binascii`, `_json` and `_socket`'s address converters now call the engines in
`rustpython-common` instead of carrying their own copies, and `rustpython-stdlib`
enables the `binascii`, `inet` and `json` features for them. That leaves
`base64` and `crc32fast` with no caller in `rustpython-stdlib`, and
`crates/stdlib/src/json/machinery.rs`, the last of the json_in_type-derived code,
goes away with its last caller.

The address converters change behaviour. `inet_aton` reads the lenient forms
(`127.1`, `16909060`, `0x7f.1`, `0177.0.0.1`), `inet_pton` rejects an octet with a
redundant leading zero and a group of five hex digits, `inet_ntop` writes the
IPv4-compatible form as `::c000:201`, and an address family with no converter
raises `EAFNOSUPPORT` instead of a bare `OSError`.

Give the JSON engine the closing-quote scan and the allocation-free `\uXXXX`
escape it needs to carry `_json`'s workload. Against the code it replaces,
`json.dumps` runs 2.3x faster with `ensure_ascii=True` and 1.7x without it, and
`json.loads` 1.2x.

`binascii.a2b_base64` now reports the messages `binascii.c` does: no
`error decoding base64: ` prefix, and the data-character count in parentheses.

Assisted-by: Claude Code:claude-opus-5

* test: enable the Windows cp932 codec case

The shared CJK engine now satisfies the Windows code-page adapter, so keeping this test marked as an expected failure turns its success into a CI failure.

Assisted-by: Codex:GPT-5
2026-08-31 15:44:55 +09:00

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Lib/** linguist-vendored
Cargo.lock linguist-generated
*.snap linguist-generated -merge
Lib/*.py text working-tree-encoding=UTF-8 eol=LF
**/*.rs text working-tree-encoding=UTF-8 eol=LF
crates/vm/src/stdlib/ast/gen.rs linguist-generated -merge
crates/doc/src/data.inc.rs generated
crates/compiler-core/src/bytecode/opcode_metadata.rs generated
crates/common/src/encodings/cjk/mappings_*.rs generated
.github/workflows/*.lock.yml linguist-generated=true merge=ours
# Binary data types
*.aif binary
*.aifc binary
*.aiff binary
*.au binary
*.bmp binary
*.exe binary
*.icns binary
*.gif binary
*.ico binary
*.jpg binary
*.pck binary
*.pdf binary
*.png binary
*.psd binary
*.tar binary
*.wav binary
*.whl binary
*.zip binary
# Text files that should not be subject to eol conversion
[attr]noeol -text
Lib/test/cjkencodings/* noeol
Lib/test/tokenizedata/coding20731.py noeol
Lib/test/decimaltestdata/*.decTest noeol
Lib/test/test_email/data/*.txt noeol
Lib/test/xmltestdata/* noeol
# Shell scripts should have LF even on Windows because of Cygwin
Lib/venv/scripts/common/activate text eol=lf
Lib/venv/scripts/posix/* text eol=lf
# CRLF files
[attr]dos text eol=crlf
# Language aware diff headers
# https://tekin.co.uk/2020/10/better-git-diff-output-for-ruby-python-elixir-and-more
# https://gist.github.com/tekin/12500956bd56784728e490d8cef9cb81
*.css diff=css
*.html diff=html
*.py diff=python
*.md diff=markdown
*.inc.rs diff=rust
# Generated files
# https://github.com/github/linguist/blob/master/docs/overrides.md
#
# To always hide generated files in local diffs, mark them as binary:
# $ git config diff.generated.binary true
#
[attr]generated linguist-generated=true diff=generated
Lib/_opcode_metadata.py generated
Lib/keyword.py generated
Lib/idlelib/help.html generated
Lib/test/certdata/*.pem generated
Lib/test/certdata/*.0 generated
Lib/test/levenshtein_examples.json generated
Lib/test/test_stable_abi_ctypes.py generated
Lib/token.py generated