How to use the apkutils.axml.arscparser.ARSCHeader function in apkutils

def __init__(self, raw_buff):
        self.analyzed = False
        self._resolved_strings = None
        self.buff = BuffHandle(raw_buff)

        self.header = ARSCHeader(self.buff)
        self.packageCount = unpack('

self.packages[package_name] = []

            mTableStrings = StringPoolChunk(self.buff)
            mKeyStrings = StringPoolChunk(self.buff)

            self.packages[package_name].append(current_package)
            self.packages[package_name].append(mTableStrings)
            self.packages[package_name].append(mKeyStrings)

            pc = PackageContext(current_package, self.stringpool_main,
                                mTableStrings, mKeyStrings)

            current = self.buff.get_idx()
            while not self.buff.end():
                header = ARSCHeader(self.buff)
                self.packages[package_name].append(header)

                if header.type == RES_TABLE_TYPE_SPEC_TYPE:
                    self.packages[package_name].append(ARSCResTypeSpec(
                        self.buff, pc))

                elif header.type == RES_TABLE_TYPE_TYPE:
                    a_res_type = ARSCResType(self.buff, pc)
                    self.packages[package_name].append(a_res_type)
                    self.resource_configs[package_name][a_res_type].add(
                        a_res_type.config)

                    self.buff.set_idx(header.start+header.header_size)
                    entries = []
                    for j in range(0, a_res_type.entryCount):
                        current_package.mResId = current_package.mResId & 0xffff0000 | j

def __init__(self, raw_buff):
        self.analyzed = False
        self._resolved_strings = None
        self.buff = BuffHandle(raw_buff)

        self.header = ARSCHeader(self.buff)
        self.packageCount = unpack('

def _analyse(self):
        if self.analyzed:
            return

        self.analyzed = True

        for package_name in self.packages:
            self.values[package_name] = {}

            nb = 3
            while nb < len(self.packages[package_name]):
                header = self.packages[package_name][nb]
                if isinstance(header, ARSCHeader):
                    if header.type == RES_TABLE_TYPE_TYPE:
                        a_res_type = self.packages[package_name][nb + 1]

                        if a_res_type.config.get_language(
                        ) not in self.values[package_name]:
                            self.values[package_name][
                                a_res_type.config.get_language()
                            ] = {}
                            self.values[package_name][a_res_type.config.get_language(
                            )]["public"] = []

                        c_value = self.values[package_name][
                            a_res_type.config.get_language()
                        ]

                        entries = self.packages[package_name][nb + 2]