B
    ] Çc/  ã               @   sj   d Z ddlZddlZddlZdddgZG dd„ deƒZdddœd	d„Zdd
d„Zdd„ Z	e
dkrfe	ƒ  dS )zImplementation of the UUencode and UUdecode functions.

encode(in_file, out_file [,name, mode], *, backtick=False)
decode(in_file [, out_file, mode, quiet])
é    NÚErrorÚencodeÚdecodec               @   s   e Zd ZdS )r   N)Ú__name__Ú
__module__Ú__qualname__© r   r   úlib/python3.7/uu.pyr   '   s   F)Úbacktickc         	   C   sr  g }zL| dkrt jj} n`t| tƒrz|dkr8tj | ¡}|dkrfyt | ¡j	}W n t
k
rd   Y nX t| dƒ} | | ¡ |dkrŒt jj}nt|tƒrªt|dƒ}| |¡ |dkr¶d}|dkrÂd}| dd¡}| dd	¡}| d
|d@ |f  d¡¡ |  d¡}x2t|ƒdkr2| tj||d¡ |  d¡}qW |rF| d¡ n
| d¡ W dx|D ]}| ¡  qZW X dS )zUuencode fileú-NÚrbÚwbi¶  Ú
z\núz\rzbegin %o %s
iÿ  Úasciié-   r   )r
   s   `
end
s    
end
)ÚsysÚstdinÚbufferÚ
isinstanceÚstrÚosÚpathÚbasenameÚstatÚst_modeÚAttributeErrorÚopenÚappendÚstdoutÚreplaceÚwriter   ÚreadÚlenÚbinasciiZb2a_uuÚclose)Úin_fileÚout_fileÚnameÚmoder
   Úopened_filesÚdataÚfr   r   r	   r   *   sF    









c          
   C   s  g }| dkrt jj} nt| tƒr4t| dƒ} | | ¡ zÆxr|  ¡ }|sNtdƒ‚| 	d¡sZq:| 
dd¡}t|ƒdkr:|d dkr:yt|d	 d
ƒ P W q: tk
r¦   Y q:X q:W |dkrà|d  d¡ d¡}tj |¡ràtd| ƒ‚|dkröt|d	 d
ƒ}|dkr
t jj}n0t|tƒr:t|dƒ}t ||¡ |}| |¡ |  ¡ }x¨|rê| d¡dkrêyt |¡}	W nj tjk
rÒ }
 zH|d d d@ d d d }t |d|… ¡}	|sÂt j d|
 ¡ W dd}
~
X Y nX | |	¡ |  ¡ }qDW |sútdƒ‚W dx|D ]}| ¡  qW X dS )zDecode uuencoded filer   r   z'No valid begin line found in input files   beginó    é   é   r   é   é   Ns    	
r   z"Cannot overwrite existing file: %sr   s   endé    é?   é   é   zWarning: %s
zTruncated input file)r   r   r   r   r   r   r   Úreadliner   Ú
startswithÚsplitr#   ÚintÚ
ValueErrorÚrstripr   r   r   Úexistsr   ÚchmodÚstripr$   Za2b_uuÚstderrr!   r%   )r&   r'   r)   Úquietr*   ZhdrZ	hdrfieldsÚfpÚsr+   ÚvÚnbytesr,   r   r   r	   r   d   s`    









"

c              C   s4  ddl } | jdd}|jddddd	d
d |jddddd	d
d | ¡ \}}t|ƒdkrl| d¡ t d¡ tjj	}tj
j	}t|ƒdkr|d }t|ƒdkr¤|d }|jrì|jràt|tƒrÆt|dƒ}nttjd dƒ t d¡ t||ƒ nD|jr&t|tƒrt|dƒ}nttjd dƒ t d¡ t||ƒ dS )zuuencode/uudecode main programr   Nz'usage: %prog [-d] [-t] [input [output]])Zusagez-dz--decoder   zDecode (instead of encode)?FÚ
store_true)ÚdestÚhelpÚdefaultÚactionz-tz--textÚtextz2data is text, encoded format unix-compatible text?r.   zincorrect number of argumentsr0   r   z: cannot do -t to stdoutr   z: cannot do -t from stdin)ÚoptparseZOptionParserZ
add_optionÚ
parse_argsr#   Úerrorr   Úexitr   r   r   r   rJ   r   r   r   ÚprintÚargvr   )rK   ÚparserZoptionsÚargsÚinputÚoutputr   r   r	   Útest§   s6    




rU   Ú__main__)NN)NNF)Ú__doc__r$   r   r   Ú__all__Ú	Exceptionr   r   r   rU   r   r   r   r   r	   Ú<module>   s   
:
C&