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bpo-30157: Fix csv.Sniffer.sniff() regex pattern. (GH-5601) (GH-5602)

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Co-authored-by: Jake Davis <jcdavis@awedge.net>
(cherry picked from commit 2411292ba8)
This commit is contained in:
Miss Islington (bot) 2018-02-09 14:00:48 -08:00 • committed by Serhiy Storchaka
parent 7df80492fc
commit 2ef69a1d45
4 changed files with 14 additions and 1 deletions
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10
Lib/test/test_csv.py
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@ -986,6 +986,16 @@ Stonecutters Seafood and Chop House+ Lemont+ IL+ 12/19/02+ Week Back
self.assertEqual(sniffer.has_header(self.header2 + self.sample8),
True)
def test_guess_quote_and_delimiter(self):
sniffer = csv.Sniffer()
for header in (";'123;4';", "'123;4';", ";'123;4'", "'123;4'"):
with self.subTest(header):
dialect = sniffer.sniff(header, ",;")
self.assertEqual(dialect.delimiter, ';')
self.assertEqual(dialect.quotechar, "'")
self.assertIs(dialect.doublequote, False)
self.assertIs(dialect.skipinitialspace, False)
def test_sniff(self):
sniffer = csv.Sniffer()
dialect = sniffer.sniff(self.sample1)