"Ic @sdZddkZddkZddkZyddkZeiZWnej odZe ZnXdZ e djo2x/ei dD]Z e e pdGe GHqWndS(s0Guess which db package to use to open a db file.iNcCsytt|tidd}|itidjo tidjp(t|tidd}|indSWntj ovySt|tidd}|itdj oti|}|idSWqtt fj oqXnXyti |tidti |tidi }|d jod St|tidd}z|i d djod SWd|iXWnttfj onXyt|d}Wntj odSX|i d}|i|d d!}t|djodSytid|\}Wntij odSX|djodS|djodSytid|d\}Wntij odSX|djodSdS(sgGuess which db package to use to open a db file. Return values: - None if the database file can't be read; - empty string if the file can be read but can't be recognized - the module name (e.g. "dbm" or "gdbm") if recognized. Importing the given module may still fail, and opening the database using that module may still fail. tpagtrbsGNU gdbmtos2emxtdirtdbmtdbtdatitdumbdbmit't"Niits=liΚWtgdbmiaiatbsddb185itdbhash(RR (iaia(iaia(topentostextseptcloseRtlibrarytsystplatformtIOErrortNonet _dbmerrortstattst_sizetreadtOSErrortlentstructtunpackterror(tfilenametftdtsizets16tstmagic((s$/mit/python/lib/python2.6/whichdb.pytwhichdbsj              t__main__itUNKNOWN(t__doc__RRRRRRt ImportErrorRRR't__name__targvR (((s$/mit/python/lib/python2.6/whichdb.pyts       b