本文整理汇总了Python中csv.unregister_dialect方法的典型用法代码示例。如果您正苦于以下问题：Python csv.unregister_dialect方法的具体用法？Python csv.unregister_dialect怎么用？Python csv.unregister_dialect使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类csv的用法示例。
在下文中一共展示了csv.unregister_dialect方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_registry_badargs
# 需要导入模块: import csv [as 别名]
# 或者: from csv import unregister_dialect [as 别名]
def test_registry_badargs(self):
self.assertRaises(TypeError, csv.list_dialects, None)
self.assertRaises(TypeError, csv.get_dialect)
self.assertRaises(csv.Error, csv.get_dialect, None)
self.assertRaises(csv.Error, csv.get_dialect, "nonesuch")
self.assertRaises(TypeError, csv.unregister_dialect)
self.assertRaises(csv.Error, csv.unregister_dialect, None)
self.assertRaises(csv.Error, csv.unregister_dialect, "nonesuch")
self.assertRaises(TypeError, csv.register_dialect, None)
self.assertRaises(TypeError, csv.register_dialect, None, None)
self.assertRaises(TypeError, csv.register_dialect, "nonesuch", 0, 0)
self.assertRaises(TypeError, csv.register_dialect, "nonesuch",
badargument=None)
self.assertRaises(TypeError, csv.register_dialect, "nonesuch",
quoting=None)
self.assertRaises(TypeError, csv.register_dialect, []) 示例2: test_dialect_str
# 需要导入模块: import csv [as 别名]
# 或者: from csv import unregister_dialect [as 别名]
def test_dialect_str(self):
data = """\
fruit:vegetable
apple:brocolli
pear:tomato
"""
exp = DataFrame({
'fruit': ['apple', 'pear'],
'vegetable': ['brocolli', 'tomato']
})
csv.register_dialect('mydialect', delimiter=':')
with tm.assert_produces_warning(ParserWarning):
df = self.read_csv(StringIO(data), dialect='mydialect')
tm.assert_frame_equal(df, exp)
csv.unregister_dialect('mydialect') 示例3: test_dialect_apply
# 需要导入模块: import csv [as 别名]
# 或者: from csv import unregister_dialect [as 别名]
def test_dialect_apply(self):
class testA(csv.excel):
delimiter = "\t"
class testB(csv.excel):
delimiter = ":"
class testC(csv.excel):
delimiter = "|"
class testUni(csv.excel):
delimiter = "\u039B"
csv.register_dialect('testC', testC)
try:
self.compare_dialect_123("1,2,3\r\n")
self.compare_dialect_123("1\t2\t3\r\n", testA)
self.compare_dialect_123("1:2:3\r\n", dialect=testB())
self.compare_dialect_123("1|2|3\r\n", dialect='testC')
self.compare_dialect_123("1;2;3\r\n", dialect=testA,
delimiter=';')
self.compare_dialect_123("1\u039B2\u039B3\r\n",
dialect=testUni)
finally:
csv.unregister_dialect('testC') 示例4: with_csv_dialect
# 需要导入模块: import csv [as 别名]
# 或者: from csv import unregister_dialect [as 别名]
def with_csv_dialect(name, **kwargs):
"""
Context manager to temporarily register a CSV dialect for parsing CSV.
Parameters
----------
name : str
The name of the dialect.
kwargs : mapping
The parameters for the dialect.
Raises
------
ValueError : the name of the dialect conflicts with a builtin one.
See Also
--------
csv : Python's CSV library.
"""
import csv
_BUILTIN_DIALECTS = {"excel", "excel-tab", "unix"}
if name in _BUILTIN_DIALECTS:
raise ValueError("Cannot override builtin dialect.")
csv.register_dialect(name, **kwargs)
yield
csv.unregister_dialect(name) 示例5: test_registry
# 需要导入模块: import csv [as 别名]
# 或者: from csv import unregister_dialect [as 别名]
def test_registry(self):
class myexceltsv(csv.excel):
delimiter = "\t"
name = "myexceltsv"
expected_dialects = csv.list_dialects() + [name]
expected_dialects.sort()
csv.register_dialect(name, myexceltsv)
self.addCleanup(csv.unregister_dialect, name)
self.assertEqual(csv.get_dialect(name).delimiter, '\t')
got_dialects = sorted(csv.list_dialects())
self.assertEqual(expected_dialects, got_dialects) 示例6: test_register_kwargs
# 需要导入模块: import csv [as 别名]
# 或者: from csv import unregister_dialect [as 别名]
def test_register_kwargs(self):
name = 'fedcba'
csv.register_dialect(name, delimiter=';')
self.addCleanup(csv.unregister_dialect, name)
self.assertEqual(csv.get_dialect(name).delimiter, ';')
self.assertEqual([['X', 'Y', 'Z']], list(csv.reader(['X;Y;Z'], name)))