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Fix bug #570057: Broken pre.subn() (and pre.sub())

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This should be backported to the 2.2.X series (how
do I do that?)
This commit is contained in:
Fredrik Lundh 2002-06-27 19:59:27 +00:00
parent 1add023b88
commit 6f7c3431c8
1 changed files with 4 additions and 2 deletions
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6
Lib/pre.py
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@ -367,10 +367,12 @@ def subn(self, repl, source, count=0):
end = len(source)
if type(repl) is type(''):
# See if repl contains group references
# See if repl contains group references (if it does,
# pcre_expand will attempt to call _Dummy.group, which
# results in a TypeError)
try:
repl = pcre_expand(_Dummy, repl)
except error:
except (error, TypeError):
m = MatchObject(self, source, 0, end, [])
repl = lambda m, repl=repl, expand=pcre_expand: expand(m, repl)
else: