gh-130110: Support hyphens in RFC 2231 continuation parameter names#153536
gh-130110: Support hyphens in RFC 2231 continuation parameter names#153536Phantom-d-e-v wants to merge 2 commits into
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…ames Parameter names containing hyphens (e.g. `file-name*0*`) were not recognized as RFC 2231 continuations because the matching regular expression only allowed `\w+`. As a result, such parameters were left undecoded by `email.utils.decode_params`. Adjust the regular expression to also accept hyphens (`[\w-]+`), which matches the production behaviour for non-hyphenated names. Fixes: pythongh-130110
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| rfc2231_continuation = re.compile(r'^(?P<name>\w+)\*((?P<num>[0-9]+)\*?)?$', | ||
| rfc2231_continuation = re.compile(r'^(?P<name>[\w-]+)\*((?P<num>[0-9]+)\*?)?$', |
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If we're going to go to the trouble of fixing this, we should make it conform fully to the RFC. Are there any printable characters other than - that are not in specials and also not in \w? Hopefully there aren't any characters recognized by \w that shouldn't be valid in parameter names, because changing that would be backward incompatible.
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Parameter names containing hyphens (e.g.
file-name*0*) were not recognized as RFC 2231 continuations because the matching regular expression only allowed\w+. As a result, such parameters were left undecoded byemail.utils.decode_params.Adjust the regular expression to also accept hyphens (
[\w-]+), which matches the production behaviour for non-hyphenated names.Fixes: gh-130110