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d S( s� Cache lines from files.
This is intended to read lines from modules imported -- hence if a filename
is not found, it will look down the module search path for a file by
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i����Nt getlinet
clearcachet
checkcachec C sE t | | � } d | k o, t | � k n r= | | d Sd Sd S( Ni t ( t getlinest len( t filenamet linenot module_globalst lines( ( s! /usr/lib64/python2.7/linecache.pyR
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i a d S( s Clear the cache entirely.N( t cache( ( ( s! /usr/lib64/python2.7/linecache.pyR s c C sI | t k r t | d Sy t | | � SWn t k
rD t � g SXd S( ss Get the lines for a file from the cache.
Update the cache if it doesn't contain an entry for this file already.i N( R
t updatecachet MemoryErrorR ( R R ( ( s! /usr/lib64/python2.7/linecache.pyR ! s
c C s� | d k r t j � } n | t k r3 | g } n d Sx� | D]� } t | \ } } } } | d k rl q> n y t j | � } Wn t j k
r� t | =q> n X| | j k s� | | j k r> t | =q> q> Wd S( sU Discard cache entries that are out of date.
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| | | f t | <| S( s� Update a cache entry and return its list of lines.
If something's wrong, print a message, discard the cache entry,
and return an empty list.t <t >t
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