<s> import os <EOL> import shutil <EOL> import random <EOL> import Image <EOL> class extract ( object ) : <EOL> def __init__ ( self , path , fps = None , size = None ) : <EOL> self . key = int ( random . random ( ) * <NUM_LIT> ) <EOL> self . key = "<STR_LIT>" . format ( self . key ) <EOL> self . output = "<STR_LIT>" . format ( self . key ) <EOL> self . path = path <EOL> try : <EOL> os . makedirs ( self . output ) <EOL> except : <EOL> pass <EOL> cmd = "<STR_LIT>" . format ( path ) <EOL> if fps : <EOL> cmd = "<STR_LIT>" . format ( cmd , int ( fps ) ) <EOL> if size : <EOL> w , h = size <EOL> cmd = "<STR_LIT>" . format ( cmd , int ( w ) , int ( h ) ) <EOL> os . system ( "<STR_LIT>" . format ( cmd , self . output ) ) <EOL> def __del__ ( self ) : <EOL> if self . output : <EOL> shutil . rmtree ( self . output ) <EOL> def __getitem__ ( self , k ) : <EOL> return Image . open ( self . getframepath ( k ) ) <EOL> def getframepath ( self , k ) : <EOL> return "<STR_LIT>" . format ( self . output , k + <NUM_LIT:1> ) <EOL> def __len__ ( self ) : <EOL> f = <NUM_LIT:1> <EOL> while True : <EOL> if not os . path . exists ( self . getframepath ( f ) ) : <EOL> return f <EOL> f += <NUM_LIT:1> <EOL> def __iter__ ( self ) : <EOL> for i in range ( len ( self ) ) : <EOL> yield self [ i ] </s>
