classifier.py 文件源码

def __ne__(self, other):
        """
        Construct a Filter returning True for asset/date pairs where the output
        of ``self`` matches ``other.
        """
        if isinstance(other, Number) != (self.dtype == int64_dtype):
            raise InvalidClassifierComparison(self, other)

        if isinstance(other, Number):
            return NumExprFilter.create(
                "((x_0 != {other}) & (x_0 != {missing}))".format(
                    other=int(other),
                    missing=self.missing_value,
                ),
                binds=(self,),
            )
        else:
            # Numexpr doesn't know how to use LabelArrays.
            return ArrayPredicate(term=self, op=operator.ne, opargs=(other,))