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[3.13] gh-152415: Exercise curses non-ASCII tests under 8-bit locale encodings (GH-152416) (GH-152453) - #152457
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…ocale encodings (pythonGH-152416) (pythonGH-152453) The non-ASCII tests only exercised what the runner's locale could encode (in practice UTF-8). Add 8-bit-encoding cases to the character and string I/O tests, each guarded by the existing encodability check: ASCII, a character common to the Latin encodings ('é'), and ones distinctive to a single encoding (byte 0xA4 is '¤' in ISO-8859-1, '€' in ISO-8859-15, 'є' in KOI8-U). Run the whole suite under different locales to cover them; unrepresentable cases skip. * pythongh-152415: Verify character output round-trips in test_output_character Read each written character back with in_wch() or instr() rather than inch(), which on a wide build returns the low byte of the code point instead of the locale-encoded byte and so mangles a non-ASCII character of an 8-bit locale. This lets the int-argument cases cover '€'/'є', and adds matching coverage for the str argument. insch() with an int byte > 127 is checked only for Latin-1: on a wide build ncurses winsch stores a printable byte directly as a code point instead of decoding it through the locale. (cherry picked from commit 003d362) (cherry picked from commit a75aa41) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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Documentation build overview465 files changed · + 1 added · ± 424 modified · - 40 deleted + Added ± Modified
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The non-ASCII tests only exercised what the runner's locale could encode (in
practice UTF-8). Add 8-bit-encoding cases to the character and string I/O
tests, each guarded by the existing encodability check: ASCII, a character
common to the Latin encodings ('é'), and ones distinctive to a single encoding
(byte 0xA4 is '¤' in ISO-8859-1, '€' in ISO-8859-15, 'є' in KOI8-U). Run the
whole suite under different locales to cover them; unrepresentable cases skip.
Read each written character back with in_wch() or instr() rather than
inch(), which on a wide build returns the low byte of the code point
instead of the locale-encoded byte and so mangles a non-ASCII character
of an 8-bit locale. This lets the int-argument cases cover '€'/'є', and
adds matching coverage for the str argument.
insch() with an int byte > 127 is checked only for Latin-1: on a wide
build ncurses winsch stores a printable byte directly as a code point
instead of decoding it through the locale.
(cherry picked from commit 003d362)
(cherry picked from commit a75aa41)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com
Co-authored-by: Claude Opus 4.8 noreply@anthropic.com