pow_to_mult.py 文件源码

def _is_numeric_pow(self, node: ast.BinOp) -> bool:
        if isinstance(node.op, ast.Pow):
            left, right = node.left, node.right
            if isinstance(left, (ast.Name, ast.Num)):
                if isinstance(right, ast.Num):
                    degree = right.n
                elif isinstance(right, ast.UnaryOp)\
                and  isinstance(right.op, (ast.USub, ast.UAdd))\
                and  isinstance(right.operand, ast.Num):
                    degree = right.operand.n
                else:
                    return False
                if isinstance(degree, float):
                    degree = int(degree) if degree.is_integer() else degree
                return isinstance(degree, int)
        return False