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Add counting of source iterator lines to the reader object - handy for

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user error messages (otherwise difficult to do without instrumenting
the source).
This commit is contained in:
Andrew McNamara 2005-01-12 11:17:16 +00:00
parent 0f0599ddc1
commit 7f2053eff3
3 changed files with 21 additions and 1 deletions
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14
Lib/test/test_csv.py
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@ -242,7 +242,7 @@ class Test_Csv(unittest.TestCase):
self._read_test(['1,",3,",5'], [['1', '"', '3', '"', '5']],
quoting=csv.QUOTE_NONE, escapechar='\\')
# will this fail where locale uses comma for decimals?
self._read_test([',3,"5",7.3'], [['', 3, '5', 7.3]],
self._read_test([',3,"5",7.3, 9'], [['', 3, '5', 7.3, 9]],
quoting=csv.QUOTE_NONNUMERIC)
self.assertRaises(ValueError, self._read_test,
['abc,3'], [[]],
@ -267,6 +267,18 @@ class Test_Csv(unittest.TestCase):
finally:
csv.field_size_limit(limit)
def test_read_linenum(self):
r = csv.reader(['line,1', 'line,2', 'line,3'])
self.assertEqual(r.line_num, 0)
r.next()
self.assertEqual(r.line_num, 1)
r.next()
self.assertEqual(r.line_num, 2)
r.next()
self.assertEqual(r.line_num, 3)
self.assertRaises(StopIteration, r.next)
self.assertEqual(r.line_num, 3)
class TestDialectRegistry(unittest.TestCase):
def test_registry_badargs(self):
self.assertRaises(TypeError, csv.list_dialects, None)