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_socketio.cpython-39.pyc
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a B��Z� � @ sJ d Z ddlT ddlZddlZdgZejZejejfZG dd� dej �Z dS )z} SocketIO imported from socket module in Python 3. Copyright (c) 2001-2013 Python Software Foundation; All Rights Reserved. � )�*N�SocketIOc sp e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Z� fd d �Z dd� Z e dd� �Z e dd� �Z dd� Z� ZS )r z�Raw I/O implementation for stream sockets. This class supports the makefile() method on sockets. It provides the raw I/O interface on top of a socket object. c C sZ |dvrt d| ��tj�| � || _d|vr6|d7 }|| _d|v | _d|v | _d| _d S )N)�r�w�rw�rb�wbZrwbzinvalid mode: %r�br r F) � ValueError�io� RawIOBase�__init__�_sock�_mode�_reading�_writing�_timeout_occurred)�selfZsock�mode� r �5/usr/lib/python3.9/site-packages/pymysql/_socketio.pyr ! s zSocketIO.__init__c C s� | � � | �� | jr td��z| j�|�W S tyF d| _� Y q ty� } zB|jd }|t krrW Y d}~q |t v r�W Y d}~dS � W Y d}~q d}~0 0 q dS )a3 Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. z!cannot read from timed out objectTr N) � _checkClosed�_checkReadabler �IOErrorr Z recv_into�timeout�error�args�EINTR�_blocking_errnos)r r �e�nr r r �readinto- s zSocketIO.readintoc C sf | � � | �� z| j�|�W S ty` } z*|jd tv rJW Y d}~dS � W Y d}~n d}~0 0 dS )a Write the given bytes or bytearray object *b* to the socket and return the number of bytes written. This can be less than len(b) if not all data could be written. If the socket is non-blocking and no bytes could be written None is returned. r N)r �_checkWritabler �sendr r r )r r r r r r �writeG s zSocketIO.writec C s | j rtd��| jS )z2True if the SocketIO is open for reading. � I/O operation on closed socket.)�closedr r �r r r r �readableW s zSocketIO.readablec C s | j rtd��| jS )z2True if the SocketIO is open for writing. r% )r& r r r' r r r �writable^ s zSocketIO.writablec s | j rtd��t� �� S )z2True if the SocketIO is open for seeking. r% )r& r �super�seekabler' �� __class__r r r+ e s zSocketIO.seekablec C s | � � | j�� S )z=Return the file descriptor of the underlying socket. )r r �filenor' r r r r. l s zSocketIO.filenoc C s | j s| �� S dS d S )N���)r& r. r' r r r �namer s z SocketIO.namec C s | j S )N)r r' r r r r y s z SocketIO.modec C s* | j r dS tj�| � | j�� d| _dS )z�Close the SocketIO object. This doesn't close the underlying socket, except if all references to it have disappeared. N)r& r r �closer Z_decref_socketiosr' r r r r1 } s zSocketIO.close)�__name__� __module__� __qualname__�__doc__r r! r$ r( r) r+ r. �propertyr0 r r1 � __classcell__r r r, r r s ) r5 Zsocketr �errno�__all__r ZEAGAINZ EWOULDBLOCKr r r r r r r �<module> s