1262             return self._isatty(self.fout)

  1262             return self._isatty(self.fout)

  1263 

  1263 

  1264         return i

  1264         return i

  1265 

  1265 

  1266     def _readline(self):

  1266     def _readline(self):

  1268             try:

  1270             try:

  1269                 # magically add command line editing support, where

  1271                 # magically add command line editing support, where

  1270                 # available

  1272                 # available

  1271                 import readline

  1273                 import readline

  1272                 # force demandimport to really load the module

  1274                 # force demandimport to really load the module

  1273                 readline.read_history_file

  1275                 readline.read_history_file

  1274                 # windows sometimes raises something other than ImportError

  1276                 # windows sometimes raises something other than ImportError

  1275             except Exception:

  1277             except Exception:

  1277 

  1279 

  1278         # prompt ' ' must exist; otherwise readline may delete entire line

  1280         # prompt ' ' must exist; otherwise readline may delete entire line

  1279         # - http://bugs.python.org/issue12833

  1281         # - http://bugs.python.org/issue12833

  1280         with self.timeblockedsection('stdio'):

  1282         with self.timeblockedsection('stdio'):

  1281             sin, sout = sys.stdin, sys.stdout

  1283             sin, sout = sys.stdin, sys.stdout