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e d k r� e � n d S)z%Mailcap file handling. See RFC 1524.� N�getcaps� findmatchc C s� i } x� t � D]� } y t | d � } Wn t k
r@ w Yn X| � t | � } Wd QXxE | j � D]7 \ } } | | k r� | | | <qg | | | | | <qg Wq W| 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".
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c C sp d t j k r1 t j d } | j t j � } n; d t j k rP t j d } n d } | d d d d g } | S)z7Return a list of all mailcap files found on the system.ZMAILCAPS�HOME�.z /.mailcapz/etc/mailcapz/usr/etc/mailcapz/usr/local/etc/mailcap)�os�environ�split�pathsep)ZpathstrZmailcaps�homer r r r "