U ��.e��@s&dZddlZddlmZddd�ZdS)z� backports.makefile ~~~~~~~~~~~~~~~~~~ Backports the Python 3 ``socket.makefile`` method for use with anything that wants to create a "fake" socket object. �N)�SocketIO�rc Cst|�dddhks td|f��d|k}d|kp4|}|sB|sBt�d|k}d} |rZ| d7} |rf| d7} t|| �} |jd7_|dkr�d}|d kr�tj}|d kr�|s�td ��| S|r�|r�t�| | |�}n&|r�t�| |�}n|s�t�t� | |�}|r�|St� ||||�}||_|S)z: Backport of ``socket.makefile`` from Python 3.5. r�w�bz&invalid mode %r (only r, w, b allowed)��N��rz!unbuffered streams must be binary)�set� ValueError�AssertionErrorrZ_makefile_refs�io�DEFAULT_BUFFER_SIZE�BufferedRWPair�BufferedReader�BufferedWriter� TextIOWrapper�mode) �selfr� buffering�encoding�errors�newlineZwritingZreadingZbinaryZrawmode�raw�buffer�text�r�S/usr/lib/python3.8/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py�backport_makefiles@ r)rNNNN)�__doc__rZsocketrrrrrr�s�