本文整理汇总了Python中pandas.core.dtypes.inference.is_file_like方法的典型用法代码示例。如果您正苦于以下问题：Python inference.is_file_like方法的具体用法？Python inference.is_file_like怎么用？Python inference.is_file_like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pandas.core.dtypes.inference的用法示例。
在下文中一共展示了inference.is_file_like方法的2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_is_file_like
# 需要导入模块: from pandas.core.dtypes import inference [as 别名]
# 或者: from pandas.core.dtypes.inference import is_file_like [as 别名]
def test_is_file_like():
class MockFile(object):
pass
is_file = inference.is_file_like
data = StringIO("data")
assert is_file(data)
# No read / write attributes
# No iterator attributes
m = MockFile()
assert not is_file(m)
MockFile.write = lambda self: 0
# Write attribute but not an iterator
m = MockFile()
assert not is_file(m)
# gh-16530: Valid iterator just means we have the
# __iter__ attribute for our purposes.
MockFile.__iter__ = lambda self: self
# Valid write-only file
m = MockFile()
assert is_file(m)
del MockFile.write
MockFile.read = lambda self: 0
# Valid read-only file
m = MockFile()
assert is_file(m)
# Iterator but no read / write attributes
data = [1, 2, 3]
assert not is_file(data) 示例2: test_is_file_like
# 需要导入模块: from pandas.core.dtypes import inference [as 别名]
# 或者: from pandas.core.dtypes.inference import is_file_like [as 别名]
def test_is_file_like():
class MockFile(object):
pass
is_file = inference.is_file_like
data = StringIO("data")
assert is_file(data)
# No read / write attributes
# No iterator attributes
m = MockFile()
assert not is_file(m)
MockFile.write = lambda self: 0
# Write attribute but not an iterator
m = MockFile()
assert not is_file(m)
# gh-16530: Valid iterator just means we have the
# __iter__ attribute for our purposes.
MockFile.__iter__ = lambda self: self
# Valid write-only file
m = MockFile()
assert is_file(m)
del MockFile.write
MockFile.read = lambda self: 0
# Valid read-only file
m = MockFile()
assert is_file(m)
# Iterator but no read / write attributes
data = [1, 2, 3]
assert not is_file(data)
if PY3:
from unittest import mock
assert not is_file(mock.Mock())