B
     S]
                 @   s   d Z ddlZddlZddlmZ dddZdd	d
ZG dd dejZG dd dejZG dd dej	Z	G dd deej
Z
G dd deejZdd ZdS )a  Python 'uu_codec' Codec - UU content transfer encoding.

This codec de/encodes from bytes to bytes.

Written by Marc-Andre Lemburg (mal@lemburg.com). Some details were
adapted from uu.py which was written by Lance Ellinghouse and
modified by Jack Jansen and Fredrik Lundh.
    N)BytesIOstrict<data>  c       	      C   s   |dkst t| }t }|j}|j}|d|d@ |f d |d}x|rf|t| |d}qJW |d | t| fS )Nr   zbegin %o %s
i  ascii-   s    
end
)	AssertionErrorr   readwriteencodebinasciiZb2a_uugetvaluelen)	inputerrorsfilenamemodeinfileoutfiler	   r
   chunk r   #lib/python3.7/encodings/uu_codec.py	uu_encode   s    r   c       
   
   C   s   |dkst t| }t }|j}|j}x(| }|s:td|d d dkr(P q(W x| }|rd|dkrfP yt|}W nR tjk
r } z2|d d d@ d	 d d
 }	t|d |	 }W d d }~X Y nX || qRW |std| t	| fS )Nr   z"Missing "begin" line in input data   s   begins   end
r       ?         zTruncated input data)
r   r   readliner
   
ValueErrorr   Za2b_uuErrorr   r   )
r   r   r   r   r   r
   sdatavnbytesr   r   r   	uu_decode!   s0    $r%   c               @   s    e Zd ZdddZdddZdS )	Codecr   c             C   s
   t ||S )N)r   )selfr   r   r   r   r   r   C   s    zCodec.encodec             C   s
   t ||S )N)r%   )r'   r   r   r   r   r   decodeF   s    zCodec.decodeN)r   )r   )__name__
__module____qualname__r   r(   r   r   r   r   r&   B   s   
r&   c               @   s   e Zd ZdddZdS )IncrementalEncoderFc             C   s   t || jd S )Nr   )r   r   )r'   r   finalr   r   r   r   J   s    zIncrementalEncoder.encodeN)F)r)   r*   r+   r   r   r   r   r   r,   I   s   r,   c               @   s   e Zd ZdddZdS )IncrementalDecoderFc             C   s   t || jd S )Nr   )r%   r   )r'   r   r-   r   r   r   r(   N   s    zIncrementalDecoder.decodeN)F)r)   r*   r+   r(   r   r   r   r   r.   M   s   r.   c               @   s   e Zd ZeZdS )StreamWriterN)r)   r*   r+   bytescharbuffertyper   r   r   r   r/   Q   s   r/   c               @   s   e Zd ZeZdS )StreamReaderN)r)   r*   r+   r0   r1   r   r   r   r   r2   T   s   r2   c            
   C   s   t jdttttttddS )NuuF)namer   r(   incrementalencoderincrementaldecoderstreamreaderstreamwriter_is_text_encoding)codecs	CodecInfor   r%   r,   r.   r2   r/   r   r   r   r   getregentryY   s    r<   )r   r   r   )r   )__doc__r:   r   ior   r   r%   r&   r,   r.   r/   r2   r<   r   r   r   r   <module>   s   

!