Delete IncludeCumMethods

Author: dcherian

xarray/core/ops.py

@@ -53,7 +53,6 @@
     "var",
     "median",
 ]
-NAN_CUM_METHODS = ["cumsum", "cumprod"]
 # TODO: wrap take, dot, sort
 
 
@@ -263,20 +262,6 @@ def inject_reduce_methods(cls):
         setattr(cls, name, func)
 
 
-def inject_cum_methods(cls):
-    methods = [(name, getattr(duck_array_ops, name), True) for name in NAN_CUM_METHODS]
-    for name, f, include_skipna in methods:
-        numeric_only = getattr(f, "numeric_only", False)
-        func = cls._reduce_method(f, include_skipna, numeric_only)
-        func.__name__ = name
-        func.__doc__ = _CUM_DOCSTRING_TEMPLATE.format(
-            name=name,
-            cls=cls.__name__,
-            extra_args=cls._cum_extra_args_docstring.format(name=name),
-        )
-        setattr(cls, name, func)
-
-
 def op_str(name):
     return f"__{name}__"
 
@@ -316,16 +301,6 @@ def __init_subclass__(cls, **kwargs):
             inject_reduce_methods(cls)
 
 
-class IncludeCumMethods:
-    __slots__ = ()
-
-    def __init_subclass__(cls, **kwargs):
-        super().__init_subclass__(**kwargs)
-
-        if getattr(cls, "_reduce_method", None):
-            inject_cum_methods(cls)
-
-
 class IncludeNumpySameMethods:
     __slots__ = ()