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Fix _codecs.escape_decode return type #15531

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Fix _codecs.escape_decode return type #15531

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a467944
Fix _codecs.escape_decode return type
ledvinap Mar 20, 2026
cc4db6a
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Mar 20, 2026
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7 changes: 7 additions & 0 deletions stdlib/@tests/test_cases/check_codecs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,3 +11,10 @@

assert_type(codecs.decode("ab", "hex"), bytes)
assert_type(codecs.decode(b"ab", "hex"), bytes)

assert_type(codecs.escape_decode("ab"), tuple[bytes, int])
assert_type(codecs.escape_decode(b"ab"), tuple[bytes, int])

decoded, consumed = codecs.escape_decode(b"ab")
assert_type(decoded, bytes)
assert_type(consumed, int)
4 changes: 3 additions & 1 deletion stdlib/_codecs.pyi
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Expand Up @@ -77,7 +77,9 @@ def ascii_decode(data: ReadableBuffer, errors: str | None = None, /) -> tuple[st
def ascii_encode(str: str, errors: str | None = None, /) -> tuple[bytes, int]: ...
def charmap_decode(data: ReadableBuffer, errors: str | None = None, mapping: _CharMap | None = None, /) -> tuple[str, int]: ...
def charmap_encode(str: str, errors: str | None = None, mapping: _CharMap | None = None, /) -> tuple[bytes, int]: ...
def escape_decode(data: str | ReadableBuffer, errors: str | None = None, /) -> tuple[str, int]: ...

# Docs say this accepts a bytes-like object, but in practice it also accepts str.
def escape_decode(data: str | ReadableBuffer, errors: str | None = None, /) -> tuple[bytes, int]: ...
def escape_encode(data: bytes, errors: str | None = None, /) -> tuple[bytes, int]: ...
def latin_1_decode(data: ReadableBuffer, errors: str | None = None, /) -> tuple[str, int]: ...
def latin_1_encode(str: str, errors: str | None = None, /) -> tuple[bytes, int]: ...
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