changer.py 文件源码

def init_channels(self, binaries=()):
        """Initialize the Apt channels as needed.

        @param binaries: A possibly empty list of 3-tuples of the form
            (hash, id, deb), holding the hash, the id and the content of
            additional Debian packages that should be loaded in the channels.
        """
        binaries_path = self._config.binaries_path

        # Clean up the binaries we wrote in former runs
        self._clear_binaries()

        if binaries:
            hash_ids = {}
            for hash, id, deb in binaries:
                create_binary_file(os.path.join(binaries_path, "%d.deb" % id),
                                   base64.decodestring(deb))
                hash_ids[hash] = id
            self._store.set_hash_ids(hash_ids)
            self._facade.add_channel_deb_dir(binaries_path)
            self._facade.reload_channels(force_reload_binaries=True)

        self._facade.ensure_channels_reloaded()