Python pandas.core.dtypes.inference.is_file_like() Examples
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Example #1
Source File: test_inference.py From recruit with Apache License 2.0 | 5 votes |
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)
Example #2
Source File: test_inference.py From predictive-maintenance-using-machine-learning with Apache License 2.0 | 5 votes |
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)
Example #3
Source File: test_inference.py From vnpy_crypto with MIT License | 4 votes |
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())
Example #4
Source File: test_inference.py From elasticintel with GNU General Public License v3.0 | 4 votes |
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())
Example #5
Source File: test_inference.py From twitter-stock-recommendation with MIT License | 4 votes |
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())