[issue34360] urllib.parse doesn't fully comply to RFC 3986

[Ivan Pozdeev]

Ivan Pozdeev <ivan_pozdeev at mail.ru> added the comment:

I confirm violation of https://tools.ietf.org/html/rfc3986#section-3.2.2 . 

URLs are now covered by RFC 3986 which obsoletes RFC 1808 that `urllib's documentation refers to.

This new URL RFC adds [] to 'reserved' characters, so them being present unquoted anywhere where reserved characters are not allowed shall be a parsing error.

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nosy: +Ivan.Pozdeev
title: urllib.parse doesn't fail with multiple unmatching square brackets -> urllib.parse doesn't fully comply to RFC 3986
versions: +Python 3.6, Python 3.7, Python 3.8

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<https://bugs.python.org/issue34360>
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