Clean up ufuncs post numpy bump (pandas-dev#26606)

Author: h-vetinari

pandas/core/arrays/sparse.py

@@ -573,7 +573,6 @@ class SparseArray(PandasObject, ExtensionArray, ExtensionOpsMixin):
         Whether to explicitly copy the incoming `data` array.
     """
 
-    __array_priority__ = 15
     _pandas_ftype = 'sparse'
     _subtyp = 'sparse_array'  # register ABCSparseArray
 
@@ -1639,14 +1638,6 @@ def T(self):
     # Ufuncs
     # ------------------------------------------------------------------------
 
-    def __array_wrap__(self, array, context=None):
-        from pandas.core.dtypes.generic import ABCSparseSeries
-
-        ufunc, inputs, _ = context
-        inputs = tuple(x.to_dense() if isinstance(x, ABCSparseSeries) else x
-                       for x in inputs)
-        return self.__array_ufunc__(ufunc, '__call__', *inputs)
-
     _HANDLED_TYPES = (np.ndarray, numbers.Number)
 
     def __array_ufunc__(self, ufunc, method, *inputs, **kwargs):

pandas/core/sparse/frame.py

@@ -242,12 +242,6 @@ def _init_spmatrix(self, data, index, columns, dtype=None,
     def to_coo(self):
         return SparseFrameAccessor(self).to_coo()
 
-    def __array_wrap__(self, result):
-        return self._constructor(
-            result, index=self.index, columns=self.columns,
-            default_kind=self._default_kind,
-            default_fill_value=self._default_fill_value).__finalize__(self)
-
     def __getstate__(self):
         # pickling
         return dict(_typ=self._typ, _subtyp=self._subtyp, _data=self._data,

pandas/core/sparse/series.py

@@ -124,26 +124,6 @@ def __array_ufunc__(self, ufunc, method, *inputs, **kwargs):
                                  fill_value=result.fill_value,
                                  copy=False).__finalize__(self)
 
-    def __array_wrap__(self, result, context=None):
-        """
-        Gets called prior to a ufunc (and after)
-
-        See SparseArray.__array_wrap__ for detail.
-        """
-        result = self.values.__array_wrap__(result, context=context)
-        return self._constructor(result, index=self.index,
-                                 sparse_index=self.sp_index,
-                                 fill_value=result.fill_value,
-                                 copy=False).__finalize__(self)
-
-    def __array_finalize__(self, obj):
-        """
-        Gets called after any ufunc or other array operations, necessary
-        to pass on the index.
-        """
-        self.name = getattr(obj, 'name', None)
-        self.fill_value = getattr(obj, 'fill_value', None)
-
     # unary ops
     # TODO: See if this can be shared
     def __pos__(self):