gh-154668: Add escaping mode to PyUnicode_FromFormat()#154669
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gh-154668: Add escaping mode to PyUnicode_FromFormat()#154669serhiy-storchaka wants to merge 2 commits into
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With the "#" flag, the "c", "s", "S", "U" and "V" conversions now escape special and non-printable characters, and with the additional "+" flag -- also all non-ASCII characters. Bytes which cannot be decoded from UTF-8 in the "s" and "V" conversions are escaped as \xNN, valid non-ASCII characters are escaped as \uNNNN or \UNNNNNNNN. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Documentation build overview
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This avoids creating temporary objects. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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With the
#flag, thec,s,S,UandVconversions now escape special and non-printable characters likerepr()does, but without adding quotes, and with the additional+flag -- also all non-ASCII characters.Bytes which cannot be decoded from UTF-8 in the
sandVconversions are escaped as\xNN, while valid non-ASCII characters are always escaped as\uNNNNor\UNNNNNNNN, so they can always be distinguished.The precision is applied to the string before escaping, the width -- after escaping.