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bpo-36742: Corrects fix to handle decomposition in usernames (#13812)

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Steve Dower 2019-06-04 08:55:30 -07:00 • committed by Łukasz Langa
parent 800d786370
commit 8d0ef0b5ed
2 changed files with 9 additions and 8 deletions
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6
Lib/urllib/parse.py
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@ -402,9 +402,9 @@ def _checknetloc(netloc):
# looking for characters like \u2100 that expand to 'a/c'
# IDNA uses NFKC equivalence, so normalize for this check
import unicodedata
n = netloc.rpartition('@')[2] # ignore anything to the left of '@'
n = n.replace(':', '') # ignore characters already included
n = n.replace('#', '') # but not the surrounding text
n = netloc.replace('@', '') # ignore characters already included
n = n.replace(':', '') # but not the surrounding text
n = n.replace('#', '')
n = n.replace('?', '')
netloc2 = unicodedata.normalize('NFKC', n)
if n == netloc2: