python-eventlet/tests/isolated/patcher_blocking_select_methods_are_deleted.py

   1 __test__ = False
   2
   3 if __name__ == '__main__':
   4     import eventlet
   5     eventlet.monkey_patch()
   6
   7     # Leaving unpatched select methods in the select module is a recipe
   8     # for trouble and this test makes sure we don't do that.
   9     #
  10     # Issues:
  11     # * https://bitbucket.org/eventlet/eventlet/issues/167
  12     # * https://github.com/eventlet/eventlet/issues/169
  13     import select
  14     # FIXME: must also delete `poll`, but it breaks subprocess `communicate()`
  15     # https://github.com/eventlet/eventlet/issues/290
  16     for name in ['devpoll', 'epoll', 'kqueue', 'kevent']:
  17         assert not hasattr(select, name), name
  18
  19     import sys
  20
  21     if sys.version_info >= (3, 4):
  22         import selectors
  23         for name in [
  24             'PollSelector',
  25             'EpollSelector',
  26             'DevpollSelector',
  27             'KqueueSelector',
  28         ]:
  29             assert not hasattr(selectors, name), name
  30
  31         default = selectors.DefaultSelector
  32         assert default is selectors.SelectSelector, default
  33
  34     print('pass')