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B
    YI~dL!                 @   s   d dl Z d dlZd dlZd dlZd dlmZmZ d dlmZ dddddd	d
dgZ	e
e djdd Zdd ZG dd deZe Zdeed< dd Zdd Zdd Zdd Zdd	 ZeedZdd
 ZeedZeedZdddZdS )    N)ascii_lettersdigits)errorsdecode_qencode_qdecode_bencode_blen_qlen_bdecodeencodes   =([a-fA-F0-9]{2})c             C   s   t | d S )N   )bytesfromhexgroupr   )m r   9/opt/alt/python37/lib64/python3.7/email/_encoded_words.py<lambda>A       r   c             C   s   |  dd} t| g fS )N   _    )replace_q_byte_subber)encodedr   r   r   r   C   s    c               @   s,   e Zd Zded ed Zdd ZdS )	_QByteMaps   -!*+/asciic             C   s.   || j krt|| |< nd|| |< | | S )Nz={:02X})safechrformat)selfkeyr   r   r   __missing__M   s    
z_QByteMap.__missing__N)__name__
__module____qualname__r   r   r   r   r"   r   r   r   r   r   I   s   r   _ c             C   s   d dd | D S )N c             s   s   | ]}t | V  qd S )N)_q_byte_map).0xr   r   r   	<genexpr>Z   s    zencode_q.<locals>.<genexpr>)join)bstringr   r   r   r   Y   s    c             C   s   t dd | D S )Nc             s   s   | ]}t t| V  qd S )N)lenr)   )r*   r+   r   r   r   r,   ]   s    zlen_q.<locals>.<genexpr>)sum)r.   r   r   r   r	   \   s    c             C   s   t | d }|r dd d|  nd}y$tj| | dd|rDt gng fS  tjk
r   ytj| ddt gfS  tjk
r   y"tj| d ddt t gfS  tjk
r   | t gfS X Y nX Y nX d S )N   s   ===r   T)ZvalidateFs   ==)	r/   base64Z	b64decoder   ZInvalidBase64PaddingDefectbinasciiErrorZInvalidBase64CharactersDefectZInvalidBase64LengthDefect)r   Zpad_errZmissing_paddingr   r   r   r   d   s     c             C   s   t | dS )Nr   )r2   Z	b64encoder   )r.   r   r   r   r      s    c             C   s&   t t| d\}}|d |r dnd S )N   r1   r   )divmodr/   )r.   Zgroups_of_3Zleftoverr   r   r   r
      s    )qbc       	   
   C   s   |  d\}}}}}|d\}}}| }|dd}t| |\}}y||}W nv tk
r   |t	d
| ||d}Y nB tk
r   |dd}| dkr|td
| Y nX ||||fS )N?*r   surrogateescapez:Encoded word contains bytes not decodable using {} charsetzunknown-8bitz<Unknown charset {} in encoded word; decoded as unknown bytes)split	partitionlowerr   _cte_decodersr   UnicodeErrorappendr   ZUndecodableBytesDefectr   LookupErrorZCharsetError)	Zewr&   charsetZcteZ
cte_stringlangr.   Zdefectsstringr   r   r   r      s"    
utf-8r(   c             C   s|   |dkr|  dd}n
|  |}|d krTtd |}td |}|| dk rPdnd}t| |}|rld| }d||||S )	Nzunknown-8bitr   r;   r7   r8      r:   z=?{}{}?{}?{}?=)r   _cte_encode_length_cte_encodersr   )rE   rC   encodingrD   r.   ZqlenZblenr   r   r   r   r      s    
)rF   Nr(   )rer2   r3   	functoolsrE   r   r   Zemailr   __all__partialcompilesubr   r   dictr   r)   ordr   r	   r   r   r
   r?   r   rI   rH   r   r   r   r   r   <module>*   s@   
&+