Python pandas.core.tools.datetimes._guess_datetime_format_for_array() Examples

The following are 6 code examples of pandas.core.tools.datetimes._guess_datetime_format_for_array(). 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.tools.datetimes , or try the search function .
Example #1
Source File: test_tools.py    From recruit with Apache License 2.0 6 votes vote down vote up 
def test_guess_datetime_format_for_array(self):
        expected_format = '%Y-%m-%d %H:%M:%S.%f'
        dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)

        test_arrays = [
            np.array([dt_string, dt_string, dt_string], dtype='O'),
            np.array([np.nan, np.nan, dt_string], dtype='O'),
            np.array([dt_string, 'random_string'], dtype='O'),
        ]

        for test_array in test_arrays:
            assert tools._guess_datetime_format_for_array(
                test_array) == expected_format

        format_for_string_of_nans = tools._guess_datetime_format_for_array(
            np.array(
                [np.nan, np.nan, np.nan], dtype='O'))
        assert format_for_string_of_nans is None
Example #2
Source File: test_tools.py    From vnpy_crypto with MIT License 6 votes vote down vote up 
def test_guess_datetime_format_for_array(self):
        expected_format = '%Y-%m-%d %H:%M:%S.%f'
        dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)

        test_arrays = [
            np.array([dt_string, dt_string, dt_string], dtype='O'),
            np.array([np.nan, np.nan, dt_string], dtype='O'),
            np.array([dt_string, 'random_string'], dtype='O'),
        ]

        for test_array in test_arrays:
            assert tools._guess_datetime_format_for_array(
                test_array) == expected_format

        format_for_string_of_nans = tools._guess_datetime_format_for_array(
            np.array(
                [np.nan, np.nan, np.nan], dtype='O'))
        assert format_for_string_of_nans is None
Example #3
Source File: test_tools.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 6 votes vote down vote up 
def test_guess_datetime_format_for_array(self):
        expected_format = '%Y-%m-%d %H:%M:%S.%f'
        dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)

        test_arrays = [
            np.array([dt_string, dt_string, dt_string], dtype='O'),
            np.array([np.nan, np.nan, dt_string], dtype='O'),
            np.array([dt_string, 'random_string'], dtype='O'),
        ]

        for test_array in test_arrays:
            assert tools._guess_datetime_format_for_array(
                test_array) == expected_format

        format_for_string_of_nans = tools._guess_datetime_format_for_array(
            np.array(
                [np.nan, np.nan, np.nan], dtype='O'))
        assert format_for_string_of_nans is None
Example #4
Source File: test_tools.py    From elasticintel with GNU General Public License v3.0 6 votes vote down vote up 
def test_guess_datetime_format_for_array(self):
        tm._skip_if_not_us_locale()
        expected_format = '%Y-%m-%d %H:%M:%S.%f'
        dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)

        test_arrays = [
            np.array([dt_string, dt_string, dt_string], dtype='O'),
            np.array([np.nan, np.nan, dt_string], dtype='O'),
            np.array([dt_string, 'random_string'], dtype='O'),
        ]

        for test_array in test_arrays:
            assert tools._guess_datetime_format_for_array(
                test_array) == expected_format

        format_for_string_of_nans = tools._guess_datetime_format_for_array(
            np.array(
                [np.nan, np.nan, np.nan], dtype='O'))
        assert format_for_string_of_nans is None
Example #5
Source File: test_tools.py    From coffeegrindsize with MIT License 6 votes vote down vote up 
def test_guess_datetime_format_for_array(self):
        expected_format = '%Y-%m-%d %H:%M:%S.%f'
        dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)

        test_arrays = [
            np.array([dt_string, dt_string, dt_string], dtype='O'),
            np.array([np.nan, np.nan, dt_string], dtype='O'),
            np.array([dt_string, 'random_string'], dtype='O'),
        ]

        for test_array in test_arrays:
            assert tools._guess_datetime_format_for_array(
                test_array) == expected_format

        format_for_string_of_nans = tools._guess_datetime_format_for_array(
            np.array(
                [np.nan, np.nan, np.nan], dtype='O'))
        assert format_for_string_of_nans is None
Example #6
Source File: test_tools.py    From twitter-stock-recommendation with MIT License 6 votes vote down vote up 
def test_guess_datetime_format_for_array(self):
        expected_format = '%Y-%m-%d %H:%M:%S.%f'
        dt_string = datetime(2011, 12, 30, 0, 0, 0).strftime(expected_format)

        test_arrays = [
            np.array([dt_string, dt_string, dt_string], dtype='O'),
            np.array([np.nan, np.nan, dt_string], dtype='O'),
            np.array([dt_string, 'random_string'], dtype='O'),
        ]

        for test_array in test_arrays:
            assert tools._guess_datetime_format_for_array(
                test_array) == expected_format

        format_for_string_of_nans = tools._guess_datetime_format_for_array(
            np.array(
                [np.nan, np.nan, np.nan], dtype='O'))
        assert format_for_string_of_nans is None