Python pandas.core.dtypes.inference.is_list_like() Examples

The following are 18 code examples of pandas.core.dtypes.inference.is_list_like(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pandas.core.dtypes.inference , or try the search function .
Example #1
Source File: numpy_.py    From recruit with Apache License 2.0 6 votes vote down vote up 
def __setitem__(self, key, value):
        from pandas.core.internals.arrays import extract_array

        value = extract_array(value, extract_numpy=True)

        if not lib.is_scalar(key) and is_list_like(key):
            key = np.asarray(key)

        if not lib.is_scalar(value):
            value = np.asarray(value)

        values = self._ndarray
        t = np.result_type(value, values)
        if t != self._ndarray.dtype:
            values = values.astype(t, casting='safe')
            values[key] = value
            self._dtype = PandasDtype(t)
            self._ndarray = values
        else:
            self._ndarray[key] = value
Example #2
Source File: numpy_.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 6 votes vote down vote up 
def __setitem__(self, key, value):
        from pandas.core.internals.arrays import extract_array

        value = extract_array(value, extract_numpy=True)

        if not lib.is_scalar(key) and is_list_like(key):
            key = np.asarray(key)

        if not lib.is_scalar(value):
            value = np.asarray(value)

        values = self._ndarray
        t = np.result_type(value, values)
        if t != self._ndarray.dtype:
            values = values.astype(t, casting='safe')
            values[key] = value
            self._dtype = PandasDtype(t)
            self._ndarray = values
        else:
            self._ndarray[key] = value
Example #3
Source File: test_inference.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 5 votes vote down vote up 
def test_is_nested_list_like_passes(inner, outer):
    result = outer([inner for _ in range(5)])
    assert inference.is_list_like(result)
Example #4
Source File: test_inference.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_is_nested_list_like_passes(inner, outer):
    result = outer([inner for _ in range(5)])
    assert inference.is_list_like(result)
Example #5
Source File: test_inference.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_is_list_like_fails(ll):
    assert not inference.is_list_like(ll)
Example #6
Source File: test_inference.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_is_list_like_passes(ll):
    assert inference.is_list_like(ll)
Example #7
Source File: field_mappings.py    From eland with Apache License 2.0 5 votes vote down vote up 
def _set_display_names(self, display_names):
        if not is_list_like(display_names):
            raise ValueError(f"'{display_names}' is not list like")

        if list(set(display_names) - set(self.display_names)):
            raise KeyError(f"{display_names} not in display names {self.display_names}")

        self._mappings_capabilities = self._mappings_capabilities.reindex(display_names)
Example #8
Source File: test_inference.py    From elasticintel with GNU General Public License v3.0 5 votes vote down vote up 
def test_is_nested_list_like_passes(inner, outer):
    result = outer([inner for _ in range(5)])
    assert inference.is_list_like(result)
Example #9
Source File: test_inference.py    From elasticintel with GNU General Public License v3.0 5 votes vote down vote up 
def test_is_list_like():
    passes = ([], [1], (1, ), (1, 2), {'a': 1}, set([1, 'a']), Series([1]),
              Series([]), Series(['a']).str)
    fails = (1, '2', object(), str)

    for p in passes:
        assert inference.is_list_like(p)

    for f in fails:
        assert not inference.is_list_like(f)
Example #10
Source File: plot.py    From koalas with Apache License 2.0 5 votes vote down vote up 
def _args_adjust(self):
        if is_list_like(self.bottom):
            self.bottom = np.array(self.bottom)
Example #11
Source File: test_inference.py    From recruit with Apache License 2.0 5 votes vote down vote up 
def test_is_list_like(maybe_list_like):
    obj, expected = maybe_list_like
    expected = True if expected == 'set' else expected
    assert inference.is_list_like(obj) == expected
Example #12
Source File: test_inference.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 5 votes vote down vote up 
def test_is_list_like_disallow_sets(maybe_list_like):
    obj, expected = maybe_list_like
    expected = False if expected == 'set' else expected
    assert inference.is_list_like(obj, allow_sets=False) == expected
Example #13
Source File: test_inference.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 5 votes vote down vote up 
def test_is_list_like(maybe_list_like):
    obj, expected = maybe_list_like
    expected = True if expected == 'set' else expected
    assert inference.is_list_like(obj) == expected
Example #14
Source File: test_inference.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_is_nested_list_like_passes(inner, outer):
    result = outer([inner for _ in range(5)])
    assert inference.is_list_like(result)
Example #15
Source File: test_inference.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_is_list_like_fails(ll):
    assert not inference.is_list_like(ll)
Example #16
Source File: test_inference.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_is_list_like_passes(ll):
    assert inference.is_list_like(ll)
Example #17
Source File: test_inference.py    From recruit with Apache License 2.0 5 votes vote down vote up 
def test_is_nested_list_like_passes(inner, outer):
    result = outer([inner for _ in range(5)])
    assert inference.is_list_like(result)
Example #18
Source File: test_inference.py    From recruit with Apache License 2.0 5 votes vote down vote up 
def test_is_list_like_disallow_sets(maybe_list_like):
    obj, expected = maybe_list_like
    expected = False if expected == 'set' else expected
    assert inference.is_list_like(obj, allow_sets=False) == expected