def get_filesystem(name='default'):
 if (name not in FS_CACHE):
  FS_CACHE[name] = _make_fs(name)
 return FS_CACHE[name]

def get_filesystem ( name = 'default' ) : if ( name not in FS_CACHE ) : FS_CACHE [ name ] = _make_fs ( name ) return FS_CACHE [ name ]
return filesystem or none .