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TYP: Added cast to ABC EA types #38586

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Merged
merged 2 commits into from
Dec 21, 2020
Merged

TYP: Added cast to ABC EA types #38586

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TYP: Added cast to ABC EA types
rhshadrach Dec 19, 2020
fa31b70
Merge branch 'master' of https://github.com/pandas-dev/pandas into ab…
rhshadrach Dec 21, 2020
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50 changes: 37 additions & 13 deletions pandas/core/dtypes/generic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@

if TYPE_CHECKING:
from pandas import (
Categorical,
CategoricalIndex,
DataFrame,
DatetimeIndex,
Expand All @@ -19,6 +20,13 @@
TimedeltaIndex,
UInt64Index,
)
from pandas.core.arrays import (
DatetimeArray,
ExtensionArray,
PandasArray,
PeriodArray,
TimedeltaArray,
)
from pandas.core.generic import NDFrame


Expand Down Expand Up @@ -111,16 +119,32 @@ def _check(cls, inst) -> bool:
"Type[DataFrame]", create_pandas_abc_type("ABCDataFrame", "_typ", ("dataframe",))
)

ABCCategorical = create_pandas_abc_type("ABCCategorical", "_typ", ("categorical"))
ABCDatetimeArray = create_pandas_abc_type("ABCDatetimeArray", "_typ", ("datetimearray"))
ABCTimedeltaArray = create_pandas_abc_type(
"ABCTimedeltaArray", "_typ", ("timedeltaarray")
)
ABCPeriodArray = create_pandas_abc_type("ABCPeriodArray", "_typ", ("periodarray",))
ABCExtensionArray = create_pandas_abc_type(
"ABCExtensionArray",
"_typ",
# Note: IntervalArray and SparseArray are included bc they have _typ="extension"
{"extension", "categorical", "periodarray", "datetimearray", "timedeltaarray"},
)
ABCPandasArray = create_pandas_abc_type("ABCPandasArray", "_typ", ("npy_extension",))
ABCCategorical = cast(
"Type[Categorical]",
create_pandas_abc_type("ABCCategorical", "_typ", ("categorical")),
)
ABCDatetimeArray = cast(
"Type[DatetimeArray]",
create_pandas_abc_type("ABCDatetimeArray", "_typ", ("datetimearray")),
)
ABCTimedeltaArray = cast(
"Type[TimedeltaArray]",
create_pandas_abc_type("ABCTimedeltaArray", "_typ", ("timedeltaarray")),
)
ABCPeriodArray = cast(
"Type[PeriodArray]",
create_pandas_abc_type("ABCPeriodArray", "_typ", ("periodarray",)),
)
ABCExtensionArray = cast(
"Type[ExtensionArray]",
create_pandas_abc_type(
"ABCExtensionArray",
"_typ",
# Note: IntervalArray and SparseArray are included bc they have _typ="extension"
{"extension", "categorical", "periodarray", "datetimearray", "timedeltaarray"},
),
)
ABCPandasArray = cast(
"Type[PandasArray]",
create_pandas_abc_type("ABCPandasArray", "_typ", ("npy_extension",)),
)