B Wa ek#@sdZddlZddlZddlZddgZddZedjZGdd d e Z d dZ d d Z d dZ ddZddZddZddgfddZd#ddZgfddZddZddZd d!Zed"kredS)$z%Mailcap file handling. See RFC 1524.Ngetcaps findmatchcCsd|krd|dfSdSdS)Nlinenor)r)entryrr/usr/lib/python3.7/mailcap.pylineno_sort_key s r z[^\xa1-\U0010FFFF\w@+=:,./-]c@seZdZdZdS)UnsafeMailcapInputz)Warning raised when refusing unsafe inputN)__name__ __module__ __qualname____doc__rrrrr sr c Csi}d}xtD]}yt|d}Wntk r8wYnX|t||\}}WdQRXx6|D]*\}}||kr||||<qb|||||<qbWqW|S)aReturn a dictionary containing the mailcap database. The dictionary maps a MIME type (in all lowercase, e.g. 'text/plain') to a list of dictionaries corresponding to mailcap entries. The list collects all the entries for that MIME type from all available mailcap files. Each dictionary contains key-value pairs for that MIME type, where the viewing command is stored with the key "view". rrN)listmailcapfilesopenOSError_readmailcapfileitems)capsrZmailcapfpZmorecapskeyvaluerrrrs   cCsPdtjkr"tjd}|tj}n*dtjkr8tjd}nd}|ddddg}|S)z7Return a list of all mailcap files found on the system.ZMAILCAPSHOME.z /.mailcapz /etc/mailcapz/usr/etc/mailcapz/usr/local/etc/mailcap)osenvironsplitpathsep)ZpathstrZmailcapsZhomerrrr3s    rcCs tdtdt|d\}}|S)z?Read a mailcap file and return a dictionary keyed by MIME type.z2readmailcapfile is deprecated, use getcaps insteadN)warningswarnDeprecationWarningr)rr_rrrreadmailcapfileEsr$c Csi}x|}|sP|ddks|dkr.q|}x4|dddkrf|}|sTd}|dd|}q4Wt|\}}|r|s~q|dk r||d<|d 7}|d }x$tt|D]}||||<qWd |}||kr|||q|g||<qW||fS) aRead a mailcap file and return a dictionary keyed by MIME type. Each MIME type is mapped to an entry consisting of a list of dictionaries; the list will contain more than one such dictionary if a given MIME type appears more than once in the mailcap file. Each dictionary contains key-value pairs for that MIME type, where the viewing command is stored with the key "view". r#Nz\  rr/) readlinestrip parselinerrangelenjoinlowerappend) rrrlineZnextlinerfieldstypesjrrrrMs6   rc Csg}dt|}}x.||kr@t|||\}}|||d}qWt|dkrRdS|d|d|dd}}}d|i}x^|D]V}|d}|dkr|}d} n$|d|}||dd} ||krq| ||<qW||fS) 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. rrr)NNNview=r&)r. parsefieldr1findr+) r2r3infieldrr6restZfkeyZfvaluerrrr,vs*        r,cCsT|}x:||kr>||}|dkr"Pq|dkr4|d}q|d}qW||||fS)z/Separate one key-value pair in a mailcap entry.;\rr)r+)r2r:r;startcrrrr8s   r8r6z /dev/nullc Cst|r"d|f}t|tdSt|||}xd|D]\}d|krnt|d||}|dkrZq4|rnt|dkrnq4t|||||} | dk r4| |fSq4WdS)aFind 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. zHRefusing to use mailcap with filename %r. Use a safe temporary filename.)NNtestNr) _find_unsafer r!r lookupsubstrsystem) rMIMEtyperfilenameplistmsgentrieserBcommandrrrrs      cslg}||kr|||}|d}|dd}||krB|||}dk r\fdd|D}t|td}|S)Nr)rz/*csg|]}|kr|qSrr).0rL)rrr szlookup..)r)rsortedr )rrGrrKZ MIMEtypesr)rrrDs     rDc Cs\d}dt|}}xB||krV||}|d}|dkrb|dkrX|||d}|d}||}q||}|d}|dkr||}q|dkr||}q|dkrt|rd|f}t|tdS||}q|d krH|} x ||kr||d kr|d}qW|| |} |d}t| |} t| r>d | | f}t|tdS|| }q|d|}qW|S) Nr&rr%r?stz9Refusing to substitute MIME type %r into a shell command.{}z=Refusing to substitute parameter %r (%s) into a shell command)r.rCr r!r findparam) r<rGrHrIZresr:r;rArJr@nameZparamrrrrEsH              rEcCsF|d}t|}x,|D]$}|d||kr||dSqWdS)Nr7r&)r0r.)rWrIr;prrrrVs   rVc Csddl}t}|jdds(t|dSxtdt|jdD]}|j||d}t|dkrjtddS|d}|d}t||d|\}}|stdtqs* ) )