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test_api_types.py
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import numpy as np
import pandas as pd
from pandas.api.extensions import ExtensionDtype
import pandas.api.types as api
from typing_extensions import assert_type
from pandas._typing import DtypeObj
from tests import (
check,
pytest_warns_bounded,
)
nparr = np.array([1, 2, 3])
arr = pd.Series([1, 2, 3])
obj = "True"
mapping = {"a": "a"}
dframe = pd.DataFrame({"a": [1, 2], "b": [3, 4]})
dtylike = np.dtype(np.int32)
ind = pd.Index([1, 2.0])
def test_is_array_like() -> None:
check(assert_type(api.is_array_like(arr), bool), bool)
check(assert_type(api.is_array_like(nparr), bool), bool)
check(assert_type(api.is_array_like(dtylike), bool), bool)
check(
assert_type(api.is_array_like(dframe), bool),
bool,
)
check(assert_type(api.is_array_like(ind), bool), bool)
def test_is_bool() -> None:
check(assert_type(api.is_bool(obj), bool), bool)
check(assert_type(api.is_bool(nparr), bool), bool)
check(assert_type(api.is_bool(dtylike), bool), bool)
check(assert_type(api.is_bool(arr), bool), bool)
check(assert_type(api.is_bool(dframe), bool), bool)
check(assert_type(api.is_bool(ind), bool), bool)
def test_is_bool_dtype() -> None:
check(assert_type(api.is_bool_dtype(arr), bool), bool)
check(assert_type(api.is_bool_dtype(nparr), bool), bool)
check(assert_type(api.is_bool_dtype(dtylike), bool), bool)
check(
assert_type(api.is_bool_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_bool_dtype(ind), bool), bool)
check(assert_type(api.is_bool_dtype(ExtensionDtype), bool), bool)
def test_is_categorical_dtype() -> None:
with pytest_warns_bounded(
FutureWarning, "is_categorical_dtype is deprecated", lower="2.0.99"
):
check(assert_type(api.is_categorical_dtype(arr), bool), bool)
check(assert_type(api.is_categorical_dtype(nparr), bool), bool)
check(assert_type(api.is_categorical_dtype(dtylike), bool), bool)
check(assert_type(api.is_categorical_dtype(dframe), bool), bool)
check(assert_type(api.is_categorical_dtype(ind), bool), bool)
check(assert_type(api.is_categorical_dtype(ExtensionDtype), bool), bool)
def test_is_complex() -> None:
check(assert_type(api.is_complex(obj), bool), bool)
check(assert_type(api.is_complex(nparr), bool), bool)
check(assert_type(api.is_complex(dtylike), bool), bool)
check(assert_type(api.is_complex(arr), bool), bool)
check(
assert_type(api.is_complex(dframe), bool),
bool,
)
check(assert_type(api.is_complex(ind), bool), bool)
def test_is_complex_dtype() -> None:
check(assert_type(api.is_complex_dtype(arr), bool), bool)
check(assert_type(api.is_complex_dtype(nparr), bool), bool)
check(assert_type(api.is_complex_dtype(dtylike), bool), bool)
check(
assert_type(api.is_complex_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_complex_dtype(ind), bool), bool)
# check(assert_type(api.is_complex_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_datetime64_any_dtype() -> None:
check(assert_type(api.is_datetime64_any_dtype(arr), bool), bool)
check(assert_type(api.is_datetime64_any_dtype(nparr), bool), bool)
check(assert_type(api.is_datetime64_any_dtype(dtylike), bool), bool)
check(
assert_type(api.is_datetime64_any_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_datetime64_any_dtype(ind), bool), bool)
# check(assert_type(api.is_datetime64_any_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_datetime64_dtype() -> None:
check(assert_type(api.is_datetime64_dtype(arr), bool), bool)
check(assert_type(api.is_datetime64_dtype(nparr), bool), bool)
check(assert_type(api.is_datetime64_dtype(dtylike), bool), bool)
check(
assert_type(api.is_datetime64_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_datetime64_dtype(ind), bool), bool)
# check(assert_type(api.is_datetime64_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_datetime64_ns_dtype() -> None:
check(assert_type(api.is_datetime64_ns_dtype(arr), bool), bool)
check(assert_type(api.is_datetime64_ns_dtype(nparr), bool), bool)
check(assert_type(api.is_datetime64_ns_dtype(dtylike), bool), bool)
check(
assert_type(api.is_datetime64_ns_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_datetime64_ns_dtype(ind), bool), bool)
check(assert_type(api.is_datetime64_ns_dtype(ExtensionDtype), bool), bool)
def test_is_datetime64tz_dtype() -> None:
with pytest_warns_bounded(
FutureWarning, "is_datetime64tz_dtype is deprecated", lower="2.0.99"
):
check(assert_type(api.is_datetime64tz_dtype(arr), bool), bool)
check(assert_type(api.is_datetime64tz_dtype(nparr), bool), bool)
check(assert_type(api.is_datetime64tz_dtype(dtylike), bool), bool)
check(assert_type(api.is_datetime64tz_dtype(dframe), bool), bool)
check(assert_type(api.is_datetime64tz_dtype(ind), bool), bool)
check(assert_type(api.is_datetime64tz_dtype(ExtensionDtype), bool), bool)
def test_is_dict_like() -> None:
check(assert_type(api.is_dict_like(mapping), bool), bool)
check(assert_type(api.is_dict_like(nparr), bool), bool)
check(assert_type(api.is_dict_like(dtylike), bool), bool)
check(assert_type(api.is_dict_like(arr), bool), bool)
check(
assert_type(api.is_dict_like(dframe), bool),
bool,
)
check(assert_type(api.is_dict_like(ind), bool), bool)
def test_is_dtype_equal() -> None:
check(assert_type(api.is_dtype_equal("i4", np.int8), bool), bool)
def test_is_extension_array_dtype() -> None:
check(assert_type(api.is_extension_array_dtype(arr), bool), bool)
check(assert_type(api.is_extension_array_dtype(nparr), bool), bool)
check(assert_type(api.is_extension_array_dtype(dtylike), bool), bool)
check(
assert_type(api.is_extension_array_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_extension_array_dtype(ind), bool), bool)
check(assert_type(api.is_extension_array_dtype(ExtensionDtype), bool), bool)
def test_is_file_like() -> None:
check(assert_type(api.is_file_like(obj), bool), bool)
check(assert_type(api.is_file_like(nparr), bool), bool)
check(assert_type(api.is_file_like(dtylike), bool), bool)
check(assert_type(api.is_file_like(arr), bool), bool)
check(
assert_type(api.is_file_like(dframe), bool),
bool,
)
check(assert_type(api.is_file_like(ind), bool), bool)
def test_is_float() -> None:
check(assert_type(api.is_float(obj), bool), bool)
check(assert_type(api.is_float(nparr), bool), bool)
check(assert_type(api.is_float(dtylike), bool), bool)
check(assert_type(api.is_float(arr), bool), bool)
check(assert_type(api.is_float(dframe), bool), bool)
check(assert_type(api.is_float(ind), bool), bool)
def test_is_float_dtype() -> None:
check(assert_type(api.is_float_dtype(arr), bool), bool)
check(assert_type(api.is_float_dtype(nparr), bool), bool)
check(assert_type(api.is_float_dtype(dtylike), bool), bool)
check(
assert_type(api.is_float_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_float_dtype(ind), bool), bool)
# check(assert_type(api.is_float_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_hashable() -> None:
check(assert_type(api.is_hashable(obj), bool), bool)
check(assert_type(api.is_hashable(nparr), bool), bool)
check(assert_type(api.is_hashable(dtylike), bool), bool)
check(assert_type(api.is_hashable(arr), bool), bool)
check(
assert_type(api.is_hashable(dframe), bool),
bool,
)
check(assert_type(api.is_hashable(ind), bool), bool)
def test_is_int64_dtype() -> None:
with pytest_warns_bounded(
FutureWarning, "is_int64_dtype is deprecated", lower="2.0.99"
):
check(assert_type(api.is_int64_dtype(arr), bool), bool)
check(assert_type(api.is_int64_dtype(nparr), bool), bool)
check(assert_type(api.is_int64_dtype(dtylike), bool), bool)
check(assert_type(api.is_int64_dtype(dframe), bool), bool)
check(assert_type(api.is_int64_dtype(ind), bool), bool)
# check(assert_type(api.is_int64_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_integer() -> None:
check(assert_type(api.is_integer(obj), bool), bool)
check(assert_type(api.is_integer(nparr), bool), bool)
check(assert_type(api.is_integer(dtylike), bool), bool)
check(assert_type(api.is_integer(arr), bool), bool)
check(
assert_type(api.is_integer(dframe), bool),
bool,
)
check(assert_type(api.is_integer(ind), bool), bool)
def test_is_integer_dtype() -> None:
check(assert_type(api.is_integer_dtype(arr), bool), bool)
check(assert_type(api.is_integer_dtype(nparr), bool), bool)
check(assert_type(api.is_integer_dtype(dtylike), bool), bool)
check(
assert_type(api.is_integer_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_integer_dtype(ind), bool), bool)
# check(assert_type(api.is_integer_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_interval() -> None:
check(assert_type(api.is_interval(obj), bool), bool)
check(assert_type(api.is_interval(nparr), bool), bool)
check(assert_type(api.is_interval(dtylike), bool), bool)
check(assert_type(api.is_interval(arr), bool), bool)
check(
assert_type(api.is_interval(dframe), bool),
bool,
)
check(assert_type(api.is_interval(ind), bool), bool)
def test_is_interval_dtype() -> None:
with pytest_warns_bounded(
FutureWarning, "is_interval_dtype is deprecated", lower="2.0.99"
):
check(assert_type(api.is_interval_dtype(obj), bool), bool)
check(assert_type(api.is_interval_dtype(nparr), bool), bool)
check(assert_type(api.is_interval_dtype(dtylike), bool), bool)
check(assert_type(api.is_interval_dtype(arr), bool), bool)
check(assert_type(api.is_interval_dtype(dframe), bool), bool)
check(assert_type(api.is_interval_dtype(ind), bool), bool)
check(assert_type(api.is_interval_dtype(ExtensionDtype), bool), bool)
def test_is_iterator() -> None:
check(assert_type(api.is_iterator(obj), bool), bool)
check(assert_type(api.is_iterator(nparr), bool), bool)
check(assert_type(api.is_iterator(dtylike), bool), bool)
check(assert_type(api.is_iterator(arr), bool), bool)
check(
assert_type(api.is_iterator(dframe), bool),
bool,
)
check(assert_type(api.is_iterator(ind), bool), bool)
def test_is_list_like() -> None:
check(assert_type(api.is_list_like(obj), bool), bool)
check(assert_type(api.is_list_like(nparr), bool), bool)
check(assert_type(api.is_list_like(dtylike), bool), bool)
check(assert_type(api.is_list_like(arr), bool), bool)
check(
assert_type(api.is_list_like(dframe), bool),
bool,
)
check(assert_type(api.is_list_like(ind), bool), bool)
def test_is_named_tuple() -> None:
check(assert_type(api.is_named_tuple(obj), bool), bool)
check(assert_type(api.is_named_tuple(nparr), bool), bool)
check(assert_type(api.is_named_tuple(dtylike), bool), bool)
check(assert_type(api.is_named_tuple(arr), bool), bool)
check(
assert_type(api.is_named_tuple(dframe), bool),
bool,
)
check(assert_type(api.is_named_tuple(ind), bool), bool)
def test_is_number() -> None:
check(assert_type(api.is_number(obj), bool), bool)
check(assert_type(api.is_number(nparr), bool), bool)
check(assert_type(api.is_number(dtylike), bool), bool)
check(assert_type(api.is_number(arr), bool), bool)
check(assert_type(api.is_number(dframe), bool), bool)
check(assert_type(api.is_number(ind), bool), bool)
def test_is_numeric_dtype() -> None:
check(assert_type(api.is_numeric_dtype(arr), bool), bool)
check(assert_type(api.is_numeric_dtype(nparr), bool), bool)
check(assert_type(api.is_numeric_dtype(dtylike), bool), bool)
check(
assert_type(api.is_numeric_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_numeric_dtype(ind), bool), bool)
# check(assert_type(api.is_numeric_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_object_dtype() -> None:
check(assert_type(api.is_object_dtype(arr), bool), bool)
check(assert_type(api.is_object_dtype(nparr), bool), bool)
check(assert_type(api.is_object_dtype(dtylike), bool), bool)
check(
assert_type(api.is_object_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_object_dtype(ind), bool), bool)
# check(assert_type(api.is_object_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_period_dtype() -> None:
with pytest_warns_bounded(
FutureWarning, "is_period_dtype is deprecated", lower="2.0.99"
):
check(assert_type(api.is_period_dtype(arr), bool), bool)
check(assert_type(api.is_period_dtype(nparr), bool), bool)
check(assert_type(api.is_period_dtype(dtylike), bool), bool)
check(assert_type(api.is_period_dtype(dframe), bool), bool)
check(assert_type(api.is_period_dtype(ind), bool), bool)
check(assert_type(api.is_period_dtype(ExtensionDtype), bool), bool)
def test_is_re() -> None:
check(assert_type(api.is_re(obj), bool), bool)
check(assert_type(api.is_re(nparr), bool), bool)
check(assert_type(api.is_re(dtylike), bool), bool)
check(assert_type(api.is_re(arr), bool), bool)
check(assert_type(api.is_re(dframe), bool), bool)
check(assert_type(api.is_re(ind), bool), bool)
def test_is_re_compilable() -> None:
check(assert_type(api.is_re_compilable(obj), bool), bool)
check(assert_type(api.is_re_compilable(nparr), bool), bool)
check(assert_type(api.is_re_compilable(dtylike), bool), bool)
check(assert_type(api.is_re_compilable(arr), bool), bool)
check(
assert_type(api.is_re_compilable(dframe), bool),
bool,
)
check(assert_type(api.is_re_compilable(ind), bool), bool)
def test_is_scalar() -> None:
check(assert_type(api.is_scalar(obj), bool), bool)
check(assert_type(api.is_scalar(nparr), bool), bool)
check(assert_type(api.is_scalar(dtylike), bool), bool)
check(assert_type(api.is_scalar(arr), bool), bool)
check(assert_type(api.is_scalar(dframe), bool), bool)
check(assert_type(api.is_scalar(ind), bool), bool)
def test_is_signed_integer_dtype() -> None:
check(assert_type(api.is_signed_integer_dtype(arr), bool), bool)
check(assert_type(api.is_signed_integer_dtype(nparr), bool), bool)
check(assert_type(api.is_signed_integer_dtype(dtylike), bool), bool)
check(
assert_type(api.is_signed_integer_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_signed_integer_dtype(ind), bool), bool)
# check(assert_type(api.is_signed_integer_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_sparse() -> None:
with pytest_warns_bounded(FutureWarning, "is_sparse is deprecated", lower="2.0.99"):
check(assert_type(api.is_sparse(arr), bool), bool)
check(assert_type(api.is_sparse(nparr), bool), bool)
check(assert_type(api.is_sparse(dframe), bool), bool)
def test_is_string_dtype() -> None:
check(assert_type(api.is_string_dtype(arr), bool), bool)
check(assert_type(api.is_string_dtype(nparr), bool), bool)
check(assert_type(api.is_string_dtype(dtylike), bool), bool)
check(
assert_type(api.is_string_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_string_dtype(ind), bool), bool)
check(assert_type(api.is_string_dtype(ExtensionDtype), bool), bool)
def test_is_timedelta64_dtype() -> None:
check(assert_type(api.is_timedelta64_dtype(arr), bool), bool)
check(assert_type(api.is_timedelta64_dtype(nparr), bool), bool)
check(assert_type(api.is_timedelta64_dtype(dtylike), bool), bool)
check(
assert_type(api.is_timedelta64_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_timedelta64_dtype(ind), bool), bool)
# check(assert_type(api.is_timedelta64_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_is_timedelta64_ns_dtype() -> None:
check(assert_type(api.is_timedelta64_ns_dtype(arr), bool), bool)
check(assert_type(api.is_timedelta64_ns_dtype(nparr), bool), bool)
check(assert_type(api.is_timedelta64_ns_dtype(dtylike), bool), bool)
check(
assert_type(api.is_timedelta64_ns_dtype(dframe), bool),
bool,
)
check(assert_type(api.is_timedelta64_ns_dtype(ind), bool), bool)
check(assert_type(api.is_timedelta64_ns_dtype(ExtensionDtype), bool), bool)
def test_is_unsigned_integer_dtype() -> None:
check(assert_type(api.is_unsigned_integer_dtype(arr), bool), bool)
check(assert_type(api.is_unsigned_integer_dtype(nparr), bool), bool)
check(assert_type(api.is_unsigned_integer_dtype(dtylike), bool), bool)
check(
assert_type(
api.is_unsigned_integer_dtype(dframe),
bool,
),
bool,
)
check(assert_type(api.is_unsigned_integer_dtype(ind), bool), bool)
# check(assert_type(api.is_unsigned_integer_dtype(ExtensionDtype), bool), bool) pandas GH 50923
def test_pandas_dtype() -> None:
check(assert_type(api.pandas_dtype(arr), DtypeObj), type(np.dtype("i8")))
def test_infer_dtype() -> None:
check(assert_type(api.infer_dtype([1, 2, 3]), str), str)
def test_union_categoricals() -> None:
to_union = [pd.Categorical([1, 2, 3]), pd.Categorical([3, 4, 5])]
check(assert_type(api.union_categoricals(to_union), pd.Categorical), pd.Categorical)
def test_check_extension_dtypes() -> None:
# GH 315
def check_ext_dtype(etype: type[ExtensionDtype]):
assert issubclass(etype, ExtensionDtype)
check_ext_dtype(pd.Int64Dtype)
check_ext_dtype(pd.Int8Dtype)
check_ext_dtype(pd.Int16Dtype)
check_ext_dtype(pd.Int32Dtype)
check_ext_dtype(pd.Int64Dtype)
check_ext_dtype(pd.UInt8Dtype)
check_ext_dtype(pd.UInt16Dtype)
check_ext_dtype(pd.UInt32Dtype)
check_ext_dtype(pd.UInt64Dtype)
check_ext_dtype(pd.BooleanDtype)
check_ext_dtype(pd.StringDtype)
check_ext_dtype(pd.CategoricalDtype)
check_ext_dtype(pd.DatetimeTZDtype)
check_ext_dtype(pd.IntervalDtype)
check_ext_dtype(pd.PeriodDtype)
check_ext_dtype(pd.SparseDtype)
check_ext_dtype(pd.Float32Dtype)
check_ext_dtype(pd.Float64Dtype)
def test_from_dataframe() -> None:
# GH 712
check(
assert_type(pd.api.interchange.from_dataframe(dframe), pd.DataFrame),
pd.DataFrame,
)