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quopri.cpython-310.pyc
o ���hq � @ s� d Z g d�ZdZdZdZdZz ddlmZmZ W n e y% dZdZY nw d d � Z d d � Z d dd�Z d dd�Z d dd�Zd dd�Zdd� Zdd� Zdd� Zed krWe� dS dS ) zHConversions to/from quoted-printable transport encoding as per RFC 1521.)�encode�decode� encodestring� decodestring� =�L s 0123456789ABCDEF� � )�a2b_qp�b2a_qpNc C sH t | t�sJ �| dv r |S | dkr|S | tkp#d| ko dkn S )z�Decide whether a particular byte ordinal needs to be quoted. The 'quotetabs' flag indicates whether embedded tabs and spaces should be quoted. Note that line-ending tabs and spaces are always encoded, as per RFC 1521. � � _� � ~)� isinstance�bytes�ESCAPE)�c� quotetabs�header� r �-/opt/alt/python310/lib64/python3.10/quopri.py� needsquoting s "r c C sB t | t�r t| �dks J �t| �} ttt| d t| d f� S )zQuote a single character.� � )r r �len�ordr �HEX�r r r r �quote$ s r Fc C s< t dur| �� }t |||d�}|�|� dS |dfdd�}d} | �� }|s'nig } d} |dd� dkr;|dd� }d} |D ]"} t| f�} t| ||�rNt| �} |rZ| d krZ| �d � q=| �| � q=|durh||� t� | �} t | �t kr�|| dt d � d d � | t d d� } t | �t kss| }q |dur�||| d � dS dS ) av Read 'input', apply quoted-printable encoding, and write to 'output'. 'input' and 'output' are binary file objects. The 'quotetabs' flag indicates whether embedded tabs and spaces should be quoted. Note that line-ending tabs and spaces are always encoded, as per RFC 1521. The 'header' flag indicates whether we are encoding spaces as _ as per RFC 1522.N�r r � c S sn | r | dd � dv r |� | d d� t| dd � � | � d S | dkr.|� t| �| � d S |� | | � d S )N���r � .)�writer )�s�output�lineEndr r r r# ; s *zencode.<locals>.writer r r! r r s = )r& ) r �readr# �readliner r r �append� EMPTYSTRING�joinr � MAXLINESIZE) �inputr% r r �data�odatar# Zprevline�lineZoutline�strippedr Zthisliner r r r , sF ��!�r c C sF t d ur t | ||d�S ddlm} || �}|� }t||||� |�� S )Nr r ��BytesIO)r �ior3 r �getvalue)r$ r r r3 �infp�outfpr r r r j s r c C s t dur| �� }t ||d�}|�|� dS d} | �� }|s n�dt|�}}|dkr[||d |� dkr[d} |d }|dkrZ||d |� dv rZ|d }|dkrZ||d |� dv sHnd} ||k r�|||d � } | dkrx|rx|d }|d }no| tkr�|| }|d }nb|d |kr�| s�d} n[|d |k r�||d |d � tkr�|t }|d }n<|d |k r�t||d |d � �r�t||d |d � �r�|tt||d |d � �f� }|d }n|| }|d }||k sa| s�|�|d � d}q|�r|�|� dS dS ) z�Read 'input', apply quoted-printable decoding, and write to 'output'. 'input' and 'output' are binary file objects. If 'header' is true, decode underscore as space (per RFC 1522).N�r r r r r s r r � � ) r r' r# r( r r �ishexr �unhex) r- r% r r. r/ �newr0 �i�n�partialr r r r r u sL �� $<,�� �r c C sD t d ur t | |d�S ddlm} || �}|� }t|||d� |�� S )Nr8 r r2 )r r4 r3 r r5 )r$ r r3 r6 r7 r r r r � s r c C sV t | t�sJ �d| kodkn p*d| ko dkn p*d| ko(dkS S )zDReturn true if the byte ordinal 'c' is a hexadecimal digit in ASCII.� 0� 9� a� f� A� F)r r r r r r r; � s Hr; c C s� d}| D ]P}t |f�}d| krdkr n ntd�}n.d| kr&dkr/n ntd�d }nd | kr9d krBn ntd �d }nJ d t|� ��|d t|�| }q|S )z.Get the integer value of a hexadecimal number.r rA rB �0rC rD �a� rE rF Fznon-hex digit r )r r �repr)r$ �bitsr r> r r r r< � s r< c C s� dd l } dd l}z|�| jdd � d�\}}W n, |jyC } z | j| _t|� td� td� td� | �d� W Y d }~nd }~ww d}d}|D ]\}}|d krTd }|d krZd }qJ|rl|rl| j| _td � | �d� |sqd g}d} |D ]W} | d kr�| jj } n&zt | d�} W n t y� } z| j� d| |f � d} W Y d }~qud }~ww z |r�t | | jj � nt| | jj |� W | d kr�| �� qu| d kr�| �� w w | r�| �| � d S d S )Nr r Ztdz"usage: quopri [-t | -d] [file] ...z-t: quote tabsz-d: decode; default encoder9 Fz-tTz-dz -t and -d are mutually exclusive�-�rbz%s: can't open (%s) )�sys�getopt�argv�error�stderr�stdout�print�exit�stdin�buffer�open�OSErrorr# r r �close) rN rO Zopts�args�msgZdecoZtabs�orH �sts�file�fpr r r �main� sd �� � ����� ��ra �__main__)F)FF)�__doc__�__all__r r, r r* Zbinasciir r � ImportErrorr r r r r r r; r< ra �__name__r r r r �<module> s0 � > + . �
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