crash.py 文件源码

def marshall_key(self, key):
        """
        Marshalls a Crash key to be used in the database.

        @see: L{__init__}

        @type  key: L{Crash} key.
        @param key: Key to convert.

        @rtype:  str or buffer
        @return: Converted key.
        """
        if key in self.__keys:
            return self.__keys[key]
        skey = pickle.dumps(key, protocol = 0)
        if self.compressKeys:
            skey = zlib.compress(skey, zlib.Z_BEST_COMPRESSION)
        if self.escapeKeys:
            skey = skey.encode('hex')
        if self.binaryKeys:
            skey = buffer(skey)
        self.__keys[key] = skey
        return skey