test_libraries.py 文件源码

def test_twisted(pyi_builder):
    pyi_builder.test_source(
        """
        # Twisted is an event-driven networking engine.
        #
        # The 'reactor' is object that starts the eventloop.
        # There are different types of platform specific reactors.
        # Platform specific reactor is wrapped into twisted.internet.reactor module.
        from twisted.internet import reactor
        # Applications importing module twisted.internet.reactor might fail
        # with error like:
        #
        #     AttributeError: 'module' object has no attribute 'listenTCP'
        #
        # Ensure default reactor was loaded - it has method 'listenTCP' to start server.
        if not hasattr(reactor, 'listenTCP'):
            raise SystemExit('Twisted reactor not properly initialized.')
        """)