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REF: standardize usage with _make_wrapped_arith_op #30623

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Merged
merged 1 commit into from
Jan 3, 2020
Merged

REF: standardize usage with _make_wrapped_arith_op #30623

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37 changes: 4 additions & 33 deletions pandas/core/indexes/datetimelike.py
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Original file line number Diff line number Diff line change
Expand Up @@ -512,39 +512,10 @@ def _convert_scalar_indexer(self, key, kind=None):

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

@classmethod
def _add_datetimelike_methods(cls):
"""
Add in the datetimelike methods (as we may have to override the
superclass).
"""

def __add__(self, other):
# dispatch to ExtensionArray implementation
result = self._data.__add__(maybe_unwrap_index(other))
return wrap_arithmetic_op(self, other, result)

cls.__add__ = __add__

def __radd__(self, other):
# alias for __add__
return self.__add__(other)

cls.__radd__ = __radd__

def __sub__(self, other):
# dispatch to ExtensionArray implementation
result = self._data.__sub__(maybe_unwrap_index(other))
return wrap_arithmetic_op(self, other, result)

cls.__sub__ = __sub__

def __rsub__(self, other):
result = self._data.__rsub__(maybe_unwrap_index(other))
return wrap_arithmetic_op(self, other, result)

cls.__rsub__ = __rsub__

__add__ = _make_wrapped_arith_op("__add__")
__radd__ = _make_wrapped_arith_op("__radd__")
__sub__ = _make_wrapped_arith_op("__sub__")
__rsub__ = _make_wrapped_arith_op("__rsub__")
__pow__ = _make_wrapped_arith_op("__pow__")
__rpow__ = _make_wrapped_arith_op("__rpow__")
__mul__ = _make_wrapped_arith_op("__mul__")
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1 change: 0 additions & 1 deletion pandas/core/indexes/datetimes.py
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Expand Up @@ -1165,7 +1165,6 @@ def indexer_between_time(
DatetimeIndex._add_comparison_ops()
DatetimeIndex._add_numeric_methods_disabled()
DatetimeIndex._add_logical_methods_disabled()
DatetimeIndex._add_datetimelike_methods()


def date_range(
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1 change: 0 additions & 1 deletion pandas/core/indexes/period.py
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Expand Up @@ -845,7 +845,6 @@ def memory_usage(self, deep=False):
PeriodIndex._add_comparison_ops()
PeriodIndex._add_numeric_methods_disabled()
PeriodIndex._add_logical_methods_disabled()
PeriodIndex._add_datetimelike_methods()


def period_range(
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1 change: 0 additions & 1 deletion pandas/core/indexes/timedeltas.py
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Expand Up @@ -507,7 +507,6 @@ def delete(self, loc):

TimedeltaIndex._add_comparison_ops()
TimedeltaIndex._add_logical_methods_disabled()
TimedeltaIndex._add_datetimelike_methods()


def timedelta_range(
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