Fix for problem with Sniffer class. If your delimiter is whitespace and the
last field was empty it would strip the delimiter and incorrectly guess that "" was the delimiter. Reported in c.l.py by Laurent Laporte. Will backport.
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@ -271,7 +271,7 @@ class Sniffer:
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for char in ascii:
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metaFrequency = charFrequency.get(char, {})
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# must count even if frequency is 0
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freq = line.strip().count(char)
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freq = line.count(char)
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# value is the mode
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metaFrequency[freq] = metaFrequency.get(freq, 0) + 1
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charFrequency[char] = metaFrequency
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@ -836,7 +836,6 @@ Stonecutters Seafood and Chop House, Lemont, IL, 12/19/02, Week Back
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'Tommy''s Place':'Blue Island':'IL':'12/28/02':'Blue Sunday/White Crow'
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'Stonecutters Seafood and Chop House':'Lemont':'IL':'12/19/02':'Week Back'
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"""
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header = '''\
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"venue","city","state","date","performers"
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'''
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@ -852,6 +851,8 @@ Stonecutters Seafood and Chop House, Lemont, IL, 12/19/02, Week Back
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47483648;43.0;170;abc;def
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'''
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sample5 = "aaa\tbbb\r\nAAA\t\r\nBBB\t\r\n"
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def test_has_header(self):
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sniffer = csv.Sniffer()
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self.assertEqual(sniffer.has_header(self.sample1), False)
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@ -879,6 +880,8 @@ Stonecutters Seafood and Chop House, Lemont, IL, 12/19/02, Week Back
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self.assertEqual(dialect.delimiter, "/")
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dialect = sniffer.sniff(self.sample4)
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self.assertEqual(dialect.delimiter, ";")
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dialect = sniffer.sniff(self.sample5)
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self.assertEqual(dialect.delimiter, "\t")
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if not hasattr(sys, "gettotalrefcount"):
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if test_support.verbose: print "*** skipping leakage tests ***"
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