How to use the xlwings._xlmac.Range function in xlwings

address2 = self.xl.rows[row2].columns[col2].get_address()
        elif isinstance(arg2, Range):
            row2 = max(arg1.row + arg1.shape[0] - 1, arg2.row + arg2.shape[0] - 1)
            col2 = max(arg1.column + arg1.shape[1] - 1, arg2.column + arg2.shape[1] - 1)
            address2 = self.xl.rows[row2].columns[col2].get_address()
        elif isinstance(arg2, string_types):
            address2 = arg2
        elif arg2 is None:
            if isinstance(arg1, string_types) and len(arg1.split(':')) == 2:
                address2 = arg1.split(':')[1]
            else:
                return Range(self, "{0}".format(address1))
        else:
            raise ValueError("Invalid parameters")

        return Range(self, "{0}:{1}".format(address1, address2))

def range(self, arg1, arg2=None):
        if isinstance(arg1, tuple):
            if len(arg1) == 2:
                if 0 in arg1:
                    raise IndexError("Attempted to access 0-based Range. xlwings/Excel Ranges are 1-based.")
                row1 = arg1[0]
                col1 = arg1[1]
                address1 = self.xl.rows[row1].columns[col1].get_address()
            elif len(arg1) == 4:
                return Range(self, arg1)
            else:
                raise ValueError("Invalid parameters")
        elif isinstance(arg1, Range):
            row1 = min(arg1.row, arg2.row)
            col1 = min(arg1.column, arg2.column)
            address1 = self.xl.rows[row1].columns[col1].get_address()
        elif isinstance(arg1, string_types):
            address1 = arg1.split(':')[0]
        else:
            raise ValueError("Invalid parameters")

        if isinstance(arg2, tuple):
            if 0 in arg2:
                raise IndexError("Attempted to access 0-based Range. xlwings/Excel Ranges are 1-based.")
            row2 = arg2[0]
            col2 = arg2[1]

if 0 in arg2:
                raise IndexError("Attempted to access 0-based Range. xlwings/Excel Ranges are 1-based.")
            row2 = arg2[0]
            col2 = arg2[1]
            address2 = self.xl.rows[row2].columns[col2].get_address()
        elif isinstance(arg2, Range):
            row2 = max(arg1.row + arg1.shape[0] - 1, arg2.row + arg2.shape[0] - 1)
            col2 = max(arg1.column + arg1.shape[1] - 1, arg2.column + arg2.shape[1] - 1)
            address2 = self.xl.rows[row2].columns[col2].get_address()
        elif isinstance(arg2, string_types):
            address2 = arg2
        elif arg2 is None:
            if isinstance(arg1, string_types) and len(arg1.split(':')) == 2:
                address2 = arg1.split(':')[1]
            else:
                return Range(self, "{0}".format(address1))
        else:
            raise ValueError("Invalid parameters")

        return Range(self, "{0}:{1}".format(address1, address2))

elif isinstance(arg1, Range):
            row1 = min(arg1.row, arg2.row)
            col1 = min(arg1.column, arg2.column)
            address1 = self.xl.rows[row1].columns[col1].get_address()
        elif isinstance(arg1, string_types):
            address1 = arg1.split(':')[0]
        else:
            raise ValueError("Invalid parameters")

        if isinstance(arg2, tuple):
            if 0 in arg2:
                raise IndexError("Attempted to access 0-based Range. xlwings/Excel Ranges are 1-based.")
            row2 = arg2[0]
            col2 = arg2[1]
            address2 = self.xl.rows[row2].columns[col2].get_address()
        elif isinstance(arg2, Range):
            row2 = max(arg1.row + arg1.shape[0] - 1, arg2.row + arg2.shape[0] - 1)
            col2 = max(arg1.column + arg1.shape[1] - 1, arg2.column + arg2.shape[1] - 1)
            address2 = self.xl.rows[row2].columns[col2].get_address()
        elif isinstance(arg2, string_types):
            address2 = arg2
        elif arg2 is None:
            if isinstance(arg1, string_types) and len(arg1.split(':')) == 2:
                address2 = arg1.split(':')[1]
            else:
                return Range(self, "{0}".format(address1))
        else:
            raise ValueError("Invalid parameters")

        return Range(self, "{0}:{1}".format(address1, address2))

def selection(self):
        sheet = self.books.active.sheets.active
        try:
            # fails if e.g. chart is selected
            return Range(sheet, self.xl.selection.get_address())
        except CommandError:
            return None

def used_range(self):
        return Range(self, self.xl.used_range.get_address())

def end(self, direction):
        direction = directions_s2k.get(direction, direction)
        return Range(self.sheet, self.xl.get_end(direction=direction).get_address())

def __call__(self, arg1, arg2=None):
        if arg2 is None:
            col = (arg1 - 1) % self.shape[1]
            row = int((arg1 - 1 - col) / self.shape[1])
            return self(1 + row, 1 + col)
        else:
            return Range(self.sheet,
                         self.sheet.xl.rows[self.row + arg1 - 1].columns[self.column + arg2 - 1].get_address())

def current_region(self):
        return Range(self.sheet, self.xl.current_region.get_address())