<s> from __future__ import print_function <EOL> import os <EOL> import urllib <EOL> import gzip <EOL> assert '<STR_LIT>' in os . environ , "<STR_LIT>" <EOL> mnist_path = os . path . join ( os . environ [ '<STR_LIT>' ] , "<STR_LIT>" ) <EOL> if not os . path . isdir ( mnist_path ) : <EOL> print ( "<STR_LIT>" + mnist_path ) <EOL> os . makedirs ( mnist_path ) <EOL> in_dir = os . listdir ( mnist_path ) <EOL> mnist_files = [ "<STR_LIT>" , "<STR_LIT>" , <EOL> "<STR_LIT>" , "<STR_LIT>" ] <EOL> mnist_url = "<STR_LIT>" <EOL> if not all ( [ f in in_dir for f in mnist_files ] ) or in_dir == [ ] : <EOL> print ( "<STR_LIT>" ) <EOL> gz_in = [ os . path . join ( mnist_path , f + "<STR_LIT>" ) for f in mnist_files ] <EOL> gz_out = [ os . path . join ( mnist_path , f ) for f in mnist_files ] <EOL> mnist_url = [ "<STR_LIT>" . join ( [ mnist_url , f , "<STR_LIT>" ] ) for f in mnist_files ] <EOL> for g_in , g_out , m_url in zip ( gz_in , gz_out , mnist_url ) : <EOL> print ( "<STR_LIT>" + m_url + "<STR_LIT>" , end = '<STR_LIT>' ) <EOL> urllib . urlretrieve ( m_url , filename = g_in ) <EOL> print ( "<STR_LIT>" ) <EOL> with gzip . GzipFile ( g_in ) as f_gz : <EOL> data = f_gz . read ( ) <EOL> with open ( g_out , '<STR_LIT:wb>' ) as f_out : <EOL> f_out . write ( data ) <EOL> print ( "<STR_LIT>" ) <EOL> else : <EOL> print ( "<STR_LIT>" ) </s>
