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TYP: ExtensionArray unique and repeat #41260

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Merged
merged 2 commits into from
May 3, 2021
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TYP: ExtensionArray unique and repeat #41260

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841bcf5
TYP: ExtensionArray unique and repeat
Dr-Irv May 2, 2021
0a02b05
change repeat argument
Dr-Irv May 2, 2021
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4 changes: 2 additions & 2 deletions pandas/core/arrays/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -794,7 +794,7 @@ def shift(self, periods: int = 1, fill_value: object = None) -> ExtensionArray:
b = empty
return self._concat_same_type([a, b])

def unique(self):
def unique(self: ExtensionArrayT) -> ExtensionArrayT:
"""
Compute the ExtensionArray of unique values.

Expand Down Expand Up @@ -1023,7 +1023,7 @@ def factorize(self, na_sentinel: int = -1) -> tuple[np.ndarray, ExtensionArray]:

@Substitution(klass="ExtensionArray")
@Appender(_extension_array_shared_docs["repeat"])
def repeat(self, repeats, axis=None):
def repeat(self, repeats: int | Sequence[int], axis: int | None = None):
nv.validate_repeat((), {"axis": axis})
ind = np.arange(len(self)).repeat(repeats)
return self.take(ind)
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6 changes: 5 additions & 1 deletion pandas/core/arrays/interval.py
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Expand Up @@ -1518,7 +1518,11 @@ def delete(self: IntervalArrayT, loc) -> IntervalArrayT:
return self._shallow_copy(left=new_left, right=new_right)

@Appender(_extension_array_shared_docs["repeat"] % _shared_docs_kwargs)
def repeat(self: IntervalArrayT, repeats: int, axis=None) -> IntervalArrayT:
def repeat(
self: IntervalArrayT,
repeats: int | Sequence[int],
axis: int | None = None,
) -> IntervalArrayT:
nv.validate_repeat((), {"axis": axis})
left_repeat = self.left.repeat(repeats)
right_repeat = self.right.repeat(repeats)
Expand Down
3 changes: 2 additions & 1 deletion pandas/core/base.py
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Expand Up @@ -16,6 +16,7 @@

import pandas._libs.lib as lib
from pandas._typing import (
ArrayLike,
Dtype,
DtypeObj,
IndexLabel,
Expand Down Expand Up @@ -996,7 +997,7 @@ def unique(self):
values = self._values

if not isinstance(values, np.ndarray):
result = values.unique()
result: ArrayLike = values.unique()
if self.dtype.kind in ["m", "M"] and isinstance(self, ABCSeries):
# GH#31182 Series._values returns EA, unpack for backward-compat
if getattr(self.dtype, "tz", None) is None:
Expand Down