Python common.is_integer方法代码示例

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def test_where_numeric_with_string():
    # GH 9280
    s = pd.Series([1, 2, 3])
    w = s.where(s > 1, 'X')

    assert not is_integer(w[0])
    assert is_integer(w[1])
    assert is_integer(w[2])
    assert isinstance(w[0], str)
    assert w.dtype == 'object'

    w = s.where(s > 1, ['X', 'Y', 'Z'])
    assert not is_integer(w[0])
    assert is_integer(w[1])
    assert is_integer(w[2])
    assert isinstance(w[0], str)
    assert w.dtype == 'object'

    w = s.where(s > 1, np.array(['X', 'Y', 'Z']))
    assert not is_integer(w[0])
    assert is_integer(w[1])
    assert is_integer(w[2])
    assert isinstance(w[0], str)
    assert w.dtype == 'object' 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def test_where_numeric_with_string(self):
        # GH 9280
        s = pd.Series([1, 2, 3])
        w = s.where(s > 1, 'X')

        assert not is_integer(w[0])
        assert is_integer(w[1])
        assert is_integer(w[2])
        assert isinstance(w[0], str)
        assert w.dtype == 'object'

        w = s.where(s > 1, ['X', 'Y', 'Z'])
        assert not is_integer(w[0])
        assert is_integer(w[1])
        assert is_integer(w[2])
        assert isinstance(w[0], str)
        assert w.dtype == 'object'

        w = s.where(s > 1, np.array(['X', 'Y', 'Z']))
        assert not is_integer(w[0])
        assert is_integer(w[1])
        assert is_integer(w[2])
        assert isinstance(w[0], str)
        assert w.dtype == 'object' 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def validate_argsort_with_ascending(ascending, args, kwargs):
    """
    If 'Categorical.argsort' is called via the 'numpy' library, the
    first parameter in its signature is 'axis', which takes either
    an integer or 'None', so check if the 'ascending' parameter has
    either integer type or is None, since 'ascending' itself should
    be a boolean
    """

    if is_integer(ascending) or ascending is None:
        args = (ascending,) + args
        ascending = True

    validate_argsort_kind(args, kwargs, max_fname_arg_count=3)
    return ascending 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def test_float_subtype(self, start, end, freq):
        # Has float subtype if any of start/end/freq are float, even if all
        # resulting endpoints can safely be upcast to integers

        # defined from start/end/freq
        index = interval_range(start=start, end=end, freq=freq)
        result = index.dtype.subtype
        expected = 'int64' if is_integer(start + end + freq) else 'float64'
        assert result == expected

        # defined from start/periods/freq
        index = interval_range(start=start, periods=5, freq=freq)
        result = index.dtype.subtype
        expected = 'int64' if is_integer(start + freq) else 'float64'
        assert result == expected

        # defined from end/periods/freq
        index = interval_range(end=end, periods=5, freq=freq)
        result = index.dtype.subtype
        expected = 'int64' if is_integer(end + freq) else 'float64'
        assert result == expected

        # GH 20976: linspace behavior defined from start/end/periods
        index = interval_range(start=start, end=end, periods=5)
        result = index.dtype.subtype
        expected = 'int64' if is_integer(start + end) else 'float64'
        assert result == expected 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def test_quantile_interpolation_dtype(self):
        # GH #10174

        # interpolation = linear (default case)
        q = pd.Series([1, 3, 4]).quantile(0.5, interpolation='lower')
        assert q == np.percentile(np.array([1, 3, 4]), 50)
        assert is_integer(q)

        q = pd.Series([1, 3, 4]).quantile(0.5, interpolation='higher')
        assert q == np.percentile(np.array([1, 3, 4]), 50)
        assert is_integer(q) 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def test_single_element_ix_dont_upcast(self):
        self.frame['E'] = 1
        assert issubclass(self.frame['E'].dtype.type, (int, np.integer))

        with catch_warnings(record=True):
            simplefilter("ignore", DeprecationWarning)
            result = self.frame.ix[self.frame.index[5], 'E']
            assert is_integer(result)

        result = self.frame.loc[self.frame.index[5], 'E']
        assert is_integer(result)

        # GH 11617
        df = pd.DataFrame(dict(a=[1.23]))
        df["b"] = 666

        with catch_warnings(record=True):
            simplefilter("ignore", DeprecationWarning)
            result = df.ix[0, "b"]
        assert is_integer(result)
        result = df.loc[0, "b"]
        assert is_integer(result)

        expected = Series([666], [0], name='b')
        with catch_warnings(record=True):
            simplefilter("ignore", DeprecationWarning)
            result = df.ix[[0], "b"]
        assert_series_equal(result, expected)
        result = df.loc[[0], "b"]
        assert_series_equal(result, expected) 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def _random_state(state=None):
    """
    Helper function for processing random_state arguments.

    Parameters
    ----------
    state : int, np.random.RandomState, None.
        If receives an int, passes to np.random.RandomState() as seed.
        If receives an np.random.RandomState object, just returns object.
        If receives `None`, returns np.random.
        If receives anything else, raises an informative ValueError.
        Default None.

    Returns
    -------
    np.random.RandomState
    """

    if is_integer(state):
        return np.random.RandomState(state)
    elif isinstance(state, np.random.RandomState):
        return state
    elif state is None:
        return np.random
    else:
        raise ValueError("random_state must be an integer, a numpy "
                         "RandomState, or None") 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def is_integer_slice(x):
    if not is_slice(x):
        return False
    for pos in [x.start, x.stop, x.step]:
        if not ((pos is None) or is_integer(pos)):
            return False  # one position is neither None nor int
    return True 

# 需要导入模块: from pandas.core.dtypes import common [as 别名]
# 或者: from pandas.core.dtypes.common import is_integer [as 别名]
def _check_dtypes(self, locator):
        is_int = is_integer(locator)
        is_int_slice = is_integer_slice(locator)
        is_int_list = is_list_like(locator) and all(map(is_integer, locator))
        is_bool_arr = is_boolean_array(locator)

        if not any([is_int, is_int_slice, is_int_list, is_bool_arr]):
            raise ValueError(_ILOC_INT_ONLY_ERROR)