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u� Cache lines from files.
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i a d S( u Clear the cache entirely.N( u cache( ( ( u. /opt/alt/python33/lib64/python3.3/linecache.pyu
clearcache s c C s) | t k r t | d St | | � Sd S( us Get the lines for a file from the cache.
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r� t | =wD Yn X| | j k s� | | j k rD t | =qD qD Wd S( uU Discard cache entries that are out of date.
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| | f t | <| S( u� Update a cache entry and return its list of lines.
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