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gh-113732: Fix support of QUOTE_NOTNULL and QUOTE_STRINGS in csv.reader (GH-113738)

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Serhiy Storchaka 2024-01-30 14:21:12 +02:00 • committed by GitHub
parent 58f883b91b
commit ea30a28c3e
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4 changed files with 57 additions and 18 deletions
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25
Lib/test/test_csv.py
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@ -392,10 +392,26 @@ class Test_Csv(unittest.TestCase):
# will this fail where locale uses comma for decimals?
self._read_test([',3,"5",7.3, 9'], [['', 3, '5', 7.3, 9]],
quoting=csv.QUOTE_NONNUMERIC)
self._read_test([',3,"5",7.3, 9'], [[None, '3', '5', '7.3', ' 9']],
quoting=csv.QUOTE_NOTNULL)
self._read_test([',3,"5",7.3, 9'], [[None, 3, '5', 7.3, 9]],
quoting=csv.QUOTE_STRINGS)
self._read_test([',,"",'], [['', '', '', '']])
self._read_test([',,"",'], [['', '', '', '']],
quoting=csv.QUOTE_NONNUMERIC)
self._read_test([',,"",'], [[None, None, '', None]],
quoting=csv.QUOTE_NOTNULL)
self._read_test([',,"",'], [[None, None, '', None]],
quoting=csv.QUOTE_STRINGS)
self._read_test(['"a\nb", 7'], [['a\nb', ' 7']])
self.assertRaises(ValueError, self._read_test,
['abc,3'], [[]],
quoting=csv.QUOTE_NONNUMERIC)
self.assertRaises(ValueError, self._read_test,
['abc,3'], [[]],
quoting=csv.QUOTE_STRINGS)
self._read_test(['1,@,3,@,5'], [['1', ',3,', '5']], quotechar='@')
self._read_test(['1,\0,3,\0,5'], [['1', ',3,', '5']], quotechar='\0')
@ -403,6 +419,15 @@ class Test_Csv(unittest.TestCase):
self._read_test(['no space, space, spaces,\ttab'],
[['no space', 'space', 'spaces', '\ttab']],
skipinitialspace=True)
self._read_test([' , , '],
[['', '', '']],
skipinitialspace=True)
self._read_test([' , , '],
[[None, None, None]],
skipinitialspace=True, quoting=csv.QUOTE_NOTNULL)
self._read_test([' , , '],
[[None, None, None]],
skipinitialspace=True, quoting=csv.QUOTE_STRINGS)
def test_read_bigfield(self):
# This exercises the buffer realloc functionality and field size