o
    Hb                     @   s   d Z ddlZddlZddgZdd Zdd Zdd	 Zd
d Zdd Zdd Z	dd Z
ddg fddZd ddZg fddZdd Zdd Zdd ZedkrRe  dS dS )!z%Mailcap file handling.  See RFC 1524.    Ngetcaps	findmatchc                 C   s   d| v r
d| d fS dS )Nlinenor   )   r    )entryr   r   /usr/lib/python3.10/mailcap.pylineno_sort_key	   s   r	   c               	   C   s   i } d}t  D ]F}zt|d}W n	 ty   Y qw | t||\}}W d   n1 s.w   Y  | D ]\}}|| vrD|| |< q7| | | | |< q7q| S )a  Return a dictionary containing the mailcap database.

    The dictionary maps a MIME type (in all lowercase, e.g. 'text/plain')
    to a list of dictionaries corresponding to mailcap entries.  The list
    collects all the entries for that MIME type from all available mailcap
    files.  Each dictionary contains key-value pairs for that MIME type,
    where the viewing command is stored with the key "view".

    r   rN)listmailcapfilesopenOSError_readmailcapfileitems)capsr   ZmailcapfpZmorecapskeyvaluer   r   r   r      s"   


c                  C   sR   dt jv rt jd } | t j}|S dt jv rt jd }nd}|d dddg}|S )z7Return a list of all mailcap files found on the system.ZMAILCAPSHOME.z	/.mailcapz/etc/mailcapz/usr/etc/mailcapz/usr/local/etc/mailcap)osenvironsplitpathsep)ZpathstrZmailcapsZhomer   r   r   r   -   s   

	
r   c                 C   s    t dtd t| d\}}|S )z?Read a mailcap file and return a dictionary keyed by MIME type.z2readmailcapfile is deprecated, use getcaps instead   N)warningswarnDeprecationWarningr   )r   r   _r   r   r   readmailcapfile?   s
   r   c           	      C   s  i }	 |   }|s||fS |d dks| dkrq|}|dd dkr<|   }|s,d}|dd | }|dd dks$t|\}}|rF|sGq|durS||d	< |d7 }|d
}tt|D ]
}||  ||< q^d
| }||v r||| | n|g||< q)a  Read a mailcap file and return a dictionary keyed by MIME type.

    Each MIME type is mapped to an entry consisting of a list of
    dictionaries; the list will contain more than one such dictionary
    if a given MIME type appears more than once in the mailcap file.
    Each dictionary contains key-value pairs for that MIME type, where
    the viewing command is stored with the key "view".
    r   r   # Nz\

r   /)	readlinestrip	parseliner   rangelenjoinlowerappend)	r   r   r   lineZnextliner   fieldstypesjr   r   r   r   G   s6   	

r   c           
      C   s   g }dt | }}||k r"t| ||\}}|| |d }||k st |dk r*dS |d |d |dd }}}d|i}|D ]+}|d}|dk rP|}d}	n|d|  }||d d  }	||v rgq@|	||< q@||fS )	zParse one entry in a mailcap file and return a dictionary.

    The viewing command is stored as the value with the key "view",
    and the rest of the fields produce key-value pairs in the dict.
    r   r   r   NNNview=r!   )r)   
parsefieldr,   findr&   )
r-   r.   infieldr   r2   restZfkeyZfvaluer   r   r   r'   p   s,   
 

r'   c                 C   sT   |}||k r | | }|dkrn|dkr|d }n|d }||k s| ||   |fS )z/Separate one key-value pair in a mailcap entry.;\r   r   )r&   )r-   r6   r7   startcr   r   r   r4      s   
r4   r2   z	/dev/nullc           	      C   sb   t | ||}|D ]&}d|v r t|d ||}|r t|dkr qt|| |||}||f  S dS )a  Find a match for a mailcap entry.

    Return a tuple containing the command line, and the mailcap entry
    used; (None, None) if no match is found.  This may invoke the
    'test' command of several matching entries before deciding which
    entry to use.

    testr   r1   )lookupsubstr   system)	r   MIMEtyper   filenameplistentrieser>   commandr   r   r   r      s   	c                    sl   g }|| v r|| |  }| d}|d d }|| v r!|| |  } d ur. fdd|D }t|td}|S )Nr$   r   z/*c                    s   g | ]} |v r|qS r   r   ).0rF   r   r   r   
<listcomp>   s    zlookup.<locals>.<listcomp>rI   )r   sortedr	   )r   rB   r   rE   Z	MIMEtypesr   rI   r   r?      s   
r?   c           
      C   s  d}dt | }}||k r| | }|d }|dkr.|dkr)| ||d  }|d }|| }nY| | }|d }|dkr?|| }nH|dkrH|| }n?|dkrQ|| }n6|dkr|}||k ro| | d	kro|d }||k ro| | d	ksa| || }	|d }|t|	| }n|d | }||k s|S )
Nr!   r   r   %r;   st{})r)   	findparam)
r8   rB   rC   rD   resr6   r7   r=   r<   namer   r   r   r@      s4   



r@   c                 C   sF   |   d } t| }|D ]}|d |   | kr ||d    S qdS )Nr3   r!   )r+   r)   )rS   rD   r7   pr   r   r   rQ      s   rQ   c            	      C   s   dd l } t }| jdd  st| d S tdt| jdD ]G}| j||d  }t|dk r5td  d S |d }|d }t||d|\}}|sNtdt qtd| t	
|}t	|}|rdtd| qd S )	Nr   r   r   z"usage: mailcap [MIMEtype file] ...r2   zNo viewer found forz
Executing:zExit status:)sysr   argvshowr(   r)   printr   typer   rA   waitstatus_to_exitcode)	rU   r   r6   argsrB   filerG   rF   stsr   r   r   r>      s,   



r>   c                 C   s   t d t D ]}t d|  qt   | st } t d t   t| }|D ]$}t | | | }|D ]}t|}|D ]}t d| ||  q9t   q1q%d S )NzMailcap files:	zMailcap entries:z  %-15s)rX   r   r   rK   )r   fnZckeysrY   rE   rF   keyskr   r   r   rW     s"   
rW   __main__)N)__doc__r   r   __all__r	   r   r   r   r   r'   r4   r   r?   r@   rQ   r>   rW   __name__r   r   r   r   <module>   s(    
)
 
