def parse(self):

        root = ET.parse(self.filepath)
        tree = root.getroot()
        self._current_id = 0
        self._elements_map = {"ref": [], "t": {}, "m": {},
                              "g": {}, "p": {}, "f": {}}

        self.parse_element_tree(tree)
This method will parse the input file.
dataset/ETHPy150Open cidles/poio-api/src/poioapi/io/shoebox.py/Parser.parse