169 osenvironb = getattr(os, 'environb', None)

   169 osenvironb = getattr(os, 'environb', None)

   170 if osenvironb is None:

   170 if osenvironb is None:

   171     # Windows lacks os.environb, for instance.  A proxy over the real thing

   171     # Windows lacks os.environb, for instance.  A proxy over the real thing

   172     # instead of a copy allows the environment to be updated via bytes on

   172     # instead of a copy allows the environment to be updated via bytes on

   173     # all platforms.

   173     # all platforms.

   175         def __init__(self, strenv):

   175         def __init__(self, strenv):

   176             self.__len__ = strenv.__len__

   176             self.__len__ = strenv.__len__

   177             self.clear = strenv.clear

   177             self.clear = strenv.clear

   178             self._strenv = strenv

   178             self._strenv = strenv

   179 

   179 

  2981                 return perf[f]

  2981                 return perf[f]

  2982 

  2982 

  2983     testdescs.sort(key=sortkey)

  2983     testdescs.sort(key=sortkey)

  2984 

  2984 

  2985 

  2985 

  2987     """Holds context for executing tests.

  2987     """Holds context for executing tests.

  2988 

  2988 

  2989     Tests rely on a lot of state. This object holds it for them.

  2989     Tests rely on a lot of state. This object holds it for them.

  2990     """

  2990     """

  2991 

  2991