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#18155: Regex-escape delimiter, in case it is a regex special char.

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Patch by Vajrasky Kok, with slight modification to the tests by me.
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R David Murray 2013-06-29 18:40:53 -04:00
parent e4e530e7e8
commit 925a322570
4 changed files with 48 additions and 6 deletions
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5
Lib/csv.py
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@ -264,8 +264,9 @@ class Sniffer:
# if we see an extra quote between delimiters, we've got a
# double quoted format
dq_regexp = re.compile(r"((%(delim)s)|^)\W*%(quote)s[^%(delim)s\n]*%(quote)s[^%(delim)s\n]*%(quote)s\W*((%(delim)s)|$)" % \
{'delim':delim, 'quote':quotechar}, re.MULTILINE)
dq_regexp = re.compile(
r"((%(delim)s)|^)\W*%(quote)s[^%(delim)s\n]*%(quote)s[^%(delim)s\n]*%(quote)s\W*((%(delim)s)|$)" % \
{'delim':re.escape(delim), 'quote':quotechar}, re.MULTILINE)