def hashed_download(url, temp, digest):
 def opener():
  opener = build_opener(HTTPSHandler())
  for handler in opener.handlers:
   if isinstance(handler, HTTPHandler):
    opener.handlers.remove(handler)
  return opener
 def read_chunks(response, chunk_size):
  while True:
   chunk = response.read(chunk_size)
   if (not chunk):
    break
   (yield chunk)
 response = opener().open(url)
 path = join(temp, urlparse(url).path.split('/')[(-1)])
 actual_hash = sha256()
 with open(path, 'wb') as file:
  for chunk in read_chunks(response, 4096):
   file.write(chunk)
   actual_hash.update(chunk)
 actual_digest = actual_hash.hexdigest()
 if (actual_digest != digest):
  raise HashError(url, path, actual_digest, digest)
 return path

def hashed_download ( url , temp , digest ) : def opener ( ) : opener = build_opener ( HTTPSHandler ( ) ) for handler in opener . handlers : if isinstance ( handler , HTTPHandler ) : opener . handlers . remove ( handler ) return opener def read_chunks ( response , chunk_size ) : while True : chunk = response . read ( chunk_size ) if ( not chunk ) : break ( yield chunk ) response = opener ( ) . open ( url ) path = join ( temp , urlparse ( url ) . path . split ( '/' ) [ ( - 1 ) ] ) actual_hash = sha256 ( ) with open ( path , 'wb' ) as file : for chunk in read_chunks ( response , 4096 ) : file . write ( chunk ) actual_hash . update ( chunk ) actual_digest = actual_hash . hexdigest ( ) if ( actual_digest != digest ) : raise HashError ( url , path , actual_digest , digest ) return path
download url to temp .