def __init__(self):
        """
        Load, unzip and initialize the Zip archive bundled with the executable.
        """
        # Examine all items in sys.path and the one like /path/executable_name?117568
        # is the correct executable with bundled zip archive. Use this value
        # for the ZlibArchive class and remove this item from sys.path.
        # It was needed only for FrozenImporter class. Wrong path from sys.path
        # Raises ArchiveReadError exception.
        for pyz_filepath in sys.path:
            print pyz_filepath
            try:
                # Unzip zip archive bundled with the executable.
                self._pyz_archive = ZlibArchive(pyz_filepath)
                # Verify the integrity of the zip archive with Python modules.
                self._pyz_archive.checkmagic()
                # End this method since no Exception was raised we can assume
                # ZlibArchive was successfully loaded. Let's remove 'pyz_filepath'
                # from sys.path.
                sys.path.remove(pyz_filepath)
                # Some runtime hook might need access to the list of available
                # frozen module. Let's make them accessible as a set().
                self.toc = set(self._pyz_archive.toc.keys())
                # Return - no error was raised.
                return
            except IOError:
                # Item from sys.path is not ZlibArchive let's try next.
                continue
            except ArchiveReadError:
                # Item from sys.path is not ZlibArchive let's try next.
                continue
        # sys.path does not contain filename of executable with bundled zip archive.
        # Raise import error.
        raise ImportError("Can't load frozen modules.")