socket_queue.py 文件源码

def __init__(self, custom_codec_implementation=None):
        if custom_codec_implementation is not None:
            self._loads = custom_codec_implementation.loads
            self._dumps = custom_codec_implementation.dumps
        else:
            # Use implementation from pymongo or from pybson
            import bson
            if hasattr(bson, 'BSON'):
                # pymongo
                self._loads = lambda raw: bson.BSON.decode(bson.BSON(raw))
                self._dumps = lambda msg: bytes(bson.BSON.encode(msg))
            else:
                # pybson
                self._loads = bson.loads
                self._dumps = bson.dumps