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Editing: filewrapper.cpython-36.pyc
3 �Pf� � @ s d dl mZ G dd� de�ZdS )� )�BytesIOc @ sB e Zd ZdZdd� Zdd� Zdd� Zdd � Zdd d �Zd d� Z d S )�CallbackFileWrapperav Small wrapper around a fp object which will tee everything read into a buffer, and when that file is closed it will execute a callback with the contents of that buffer. All attributes are proxied to the underlying file object. This class uses members with a double underscore (__) leading prefix so as not to accidentally shadow an attribute. c C s t � | _|| _|| _d S )N)r �_CallbackFileWrapper__buf�_CallbackFileWrapper__fp� _CallbackFileWrapper__callback)�self�fp�callback� r �!/usr/lib/python3.6/filewrapper.py�__init__ s z CallbackFileWrapper.__init__c C s | j d�}t||�S )Nr )�__getattribute__�getattr)r �namer r r r � __getattr__ s z CallbackFileWrapper.__getattr__c C sD y | j jd kS tk r Y nX y| j jS tk r> Y nX dS )NF)r r �AttributeError�closed)r r r r Z__is_fp_closed! s z"CallbackFileWrapper.__is_fp_closedc C s | j r| j | jj� � d | _ d S )N)r r �getvalue)r r r r �_close0 s zCallbackFileWrapper._closeNc C s, | j j|�}| jj|� | j� r(| j� |S )N)r �readr �write�"_CallbackFileWrapper__is_fp_closedr )r �amt�datar r r r ; s zCallbackFileWrapper.readc C s@ | j j|�}|dkr |dkr |S | jj|� | j� r<| j� |S )N� s )r � _safe_readr r r r )r r r r r r r C s z CallbackFileWrapper._safe_read)N) �__name__� __module__� __qualname__�__doc__r r r r r r r r r r r s r N)�ior �objectr r r r r �<module> s
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