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DEPR: Move Numericindex._convert_slice_indexer & ._maybe_cast_slice_bound #50989

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merged 3 commits into from
Jan 27, 2023
Merged

DEPR: Move Numericindex._convert_slice_indexer & ._maybe_cast_slice_bound #50989

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27e65d4
DEPR: move NumericIndex._convert_slice_indexer to Index
topper-123 Jan 26, 2023
38af8b5
DEPR: move NumericIndex._maybe_cast_slice_bound to Index
topper-123 Jan 26, 2023
b63a338
fix if ststement
topper-123 Jan 26, 2023
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13 changes: 9 additions & 4 deletions pandas/core/indexes/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3983,6 +3983,13 @@ def _convert_slice_indexer(self, key: slice, kind: str_t):
# potentially cast the bounds to integers
start, stop, step = key.start, key.stop, key.step

# TODO(GH#50617): once Series.__[gs]etitem__ is removed we should be able
# to simplify this.
if isinstance(self.dtype, np.dtype) and is_float_dtype(self.dtype):
# We always treat __getitem__ slicing as label-based
# translate to locations
return self.slice_indexer(start, stop, step)

# figure out if this is a positional indexer
def is_int(v):
return v is None or is_integer(v)
Expand Down Expand Up @@ -6284,11 +6291,9 @@ def _maybe_cast_slice_bound(self, label, side: str_t):
"""

# We are a plain index here (sub-class override this method if they
# wish to have special treatment for floats/ints, e.g. NumericIndex and
# datetimelike Indexes
# Special case numeric EA Indexes, since they are not handled by NumericIndex
# wish to have special treatment for floats/ints, e.g. datetimelike Indexes

if is_extension_array_dtype(self.dtype) and is_numeric_dtype(self.dtype):
if is_numeric_dtype(self.dtype):
return self._maybe_cast_indexer(label)

# reject them, if index does not contain label
Expand Down
19 changes: 0 additions & 19 deletions pandas/core/indexes/numeric.py
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Expand Up @@ -12,7 +12,6 @@

from pandas.core.dtypes.common import (
is_dtype_equal,
is_float_dtype,
is_integer_dtype,
is_numeric_dtype,
is_scalar,
Expand Down Expand Up @@ -170,24 +169,6 @@ def _ensure_dtype(cls, dtype: Dtype | None) -> np.dtype | None:
def _should_fallback_to_positional(self) -> bool:
return False

@doc(Index._convert_slice_indexer)
def _convert_slice_indexer(self, key: slice, kind: str):
# TODO(GH#50617): once Series.__[gs]etitem__ is removed we should be able
# to simplify this.
if is_float_dtype(self.dtype):
assert kind in ["loc", "getitem"]

# We always treat __getitem__ slicing as label-based
# translate to locations
return self.slice_indexer(key.start, key.stop, key.step)

return super()._convert_slice_indexer(key, kind=kind)

@doc(Index._maybe_cast_slice_bound)
def _maybe_cast_slice_bound(self, label, side: str):
# we will try to coerce to integers
return self._maybe_cast_indexer(label)

# ----------------------------------------------------------------

@classmethod
Expand Down