本文整理汇总了Python中csv.Dialect方法的典型用法代码示例。如果您正苦于以下问题：Python csv.Dialect方法的具体用法？Python csv.Dialect怎么用？Python csv.Dialect使用的例子？那么, 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.Dialect方法的10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: __call__
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def __call__(self, value):
if value is None or isinstance(value, list):
return value
try:
value = next(csv.reader([value], self.Dialect))
except csv.Error as error:
raise ValueError(error)
if self._validator is None:
return value
try:
for index, item in enumerate(value):
value[index] = self._validator(item)
except ValueError as error:
raise ValueError('Could not convert item {}: {}'.format(index, error))
return value 示例2: __call__
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def __call__(self, value):
if value is None or isinstance(value, list):
return value
try:
value = csv.reader([value], self.Dialect).next()
except csv.Error as error:
raise ValueError(error)
if self._validator is None:
return value
try:
for index, item in enumerate(value):
value[index] = self._validator(item)
except ValueError as error:
raise ValueError('Could not convert item {}: {}'.format(index, error))
return value 示例3: test_lineterminator
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def test_lineterminator(self):
class mydialect(csv.Dialect):
delimiter = ";"
escapechar = '\\'
doublequote = False
skipinitialspace = True
lineterminator = '\r\n'
quoting = csv.QUOTE_NONE
d = mydialect()
self.assertEqual(d.lineterminator, '\r\n')
mydialect.lineterminator = ":::"
d = mydialect()
self.assertEqual(d.lineterminator, ":::")
mydialect.lineterminator = 4
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"lineterminator" must be a string') 示例4: test_quoting
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def test_quoting(self):
class mydialect(csv.Dialect):
delimiter = ";"
escapechar = '\\'
doublequote = False
skipinitialspace = True
lineterminator = '\r\n'
quoting = csv.QUOTE_NONE
d = mydialect()
mydialect.quoting = None
self.assertRaises(csv.Error, mydialect)
mydialect.doublequote = True
mydialect.quoting = csv.QUOTE_ALL
mydialect.quotechar = '"'
d = mydialect()
mydialect.quotechar = "''"
self.assertRaises(csv.Error, mydialect)
mydialect.quotechar = 4
self.assertRaises(csv.Error, mydialect) 示例5: __call__
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def __call__(self, context):
# get Dialect object
if isinstance(self._dialect, types.StringTypes):
dialect = csv.get_dialect(self._dialect)
# get content
content = self._content
if self._content is None:
if self._path.startswith(HTTP_SCHEMA):
content = requests.get(self._path).text
else:
with open(self._path, "r") as f:
content = f.read()
if isinstance(content, types.StringTypes):
content = StringIO.StringIO(content)
result = []
csv_reader = csv.reader(content, dialect=dialect)
for row in csv_reader:
self._handle_record(row, result.append)
return self._handle_result(context, result) 示例6: format
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def format(self, value):
output = StringIO()
writer = csv.writer(output, List.Dialect)
writer.writerow(value)
value = output.getvalue()
return value[:-1] 示例7: test_incomplete_dialect
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def test_incomplete_dialect(self):
class myexceltsv(csv.Dialect):
delimiter = "\t"
self.assertRaises(csv.Error, myexceltsv) 示例8: test_quoting
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def test_quoting(self):
class mydialect(csv.Dialect):
delimiter = ";"
escapechar = '\\'
doublequote = False
skipinitialspace = True
lineterminator = '\r\n'
quoting = csv.QUOTE_NONE
d = mydialect()
self.assertEqual(d.quoting, csv.QUOTE_NONE)
mydialect.quoting = None
self.assertRaises(csv.Error, mydialect)
mydialect.doublequote = True
mydialect.quoting = csv.QUOTE_ALL
mydialect.quotechar = '"'
d = mydialect()
self.assertEqual(d.quoting, csv.QUOTE_ALL)
self.assertEqual(d.quotechar, '"')
self.assertTrue(d.doublequote)
mydialect.quotechar = "''"
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"quotechar" must be an 1-character string')
mydialect.quotechar = 4
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"quotechar" must be string, not int') 示例9: test_delimiter
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def test_delimiter(self):
class mydialect(csv.Dialect):
delimiter = ";"
escapechar = '\\'
doublequote = False
skipinitialspace = True
lineterminator = '\r\n'
quoting = csv.QUOTE_NONE
d = mydialect()
self.assertEqual(d.delimiter, ";")
mydialect.delimiter = ":::"
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"delimiter" must be an 1-character string')
mydialect.delimiter = ""
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"delimiter" must be an 1-character string')
if sys.platform != 'cli':
mydialect.delimiter = u","
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"delimiter" must be string, not unicode')
mydialect.delimiter = 4
with self.assertRaises(csv.Error) as cm:
mydialect()
self.assertEqual(str(cm.exception),
'"delimiter" must be string, not int') 示例10: __init__
# 需要导入模块: import csv [as 别名]
# 或者: from csv import Dialect [as 别名]
def __init__(self, options):
if 'delim' in options:
self.delimiter = CSVTable.encode_for_csv(options['delim'])
if 'keepspace' in options:
self.skipinitialspace = False
if 'quote' in options:
self.quotechar = CSVTable.encode_for_csv(options['quote'])
if 'escape' in options:
self.doublequote = False
self.escapechar = CSVTable.encode_for_csv(options['escape'])
csv.Dialect.__init__(self)