Python IOLoop.configured_class方法代码示例

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def setUp(self):
        if IOLoop.configured_class().__name__ in ('TwistedIOLoop',
                                                  'AsyncIOMainLoop'):
            # TwistedIOLoop only supports the global reactor, so we can't have
            # separate IOLoops for client and server threads.
            # AsyncIOMainLoop doesn't work with the default policy
            # (although it could with some tweaks to this test and a
            # policy that created loops for non-main threads).
            raise unittest.SkipTest(
                'Sync HTTPClient not compatible with TwistedIOLoop or '
                'AsyncIOMainLoop')
        self.server_ioloop = IOLoop()

        sock, self.port = bind_unused_port()
        app = Application([('/', HelloWorldHandler)])
        self.server = HTTPServer(app, io_loop=self.server_ioloop)
        self.server.add_socket(sock)

        self.server_thread = threading.Thread(target=self.server_ioloop.start)
        self.server_thread.start()

        self.http_client = HTTPClient() 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def setUp(self):
        if IOLoop.configured_class().__name__ == 'TwistedIOLoop':
            # TwistedIOLoop only supports the global reactor, so we can't have
            # separate IOLoops for client and server threads.
            raise unittest.SkipTest(
                'Sync HTTPClient not compatible with TwistedIOLoop')
        self.server_ioloop = IOLoop()

        sock, self.port = bind_unused_port()
        app = Application([('/', HelloWorldHandler)])
        server = HTTPServer(app, io_loop=self.server_ioloop)
        server.add_socket(sock)

        self.server_thread = threading.Thread(target=self.server_ioloop.start)
        self.server_thread.start()

        self.http_client = HTTPClient() 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def test_subprocess(self):
        if IOLoop.configured_class().__name__.endswith('LayeredTwistedIOLoop'):
            # This test fails non-deterministically with LayeredTwistedIOLoop.
            # (the read_until('\n') returns '\n' instead of 'hello\n')
            # This probably indicates a problem with either TornadoReactor
            # or TwistedIOLoop, but I haven't been able to track it down
            # and for now this is just causing spurious travis-ci failures.
            raise unittest.SkipTest("Subprocess tests not compatible with "
                                    "LayeredTwistedIOLoop")
        subproc = Subprocess([sys.executable, '-u', '-i'],
                             stdin=Subprocess.STREAM,
                             stdout=Subprocess.STREAM, stderr=subprocess.STDOUT)
        self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
        self.addCleanup(subproc.stdout.close)
        self.addCleanup(subproc.stdin.close)
        yield subproc.stdout.read_until(b'>>> ')
        subproc.stdin.write(b"print('hello')\n")
        data = yield subproc.stdout.read_until(b'\n')
        self.assertEqual(data, b"hello\n")

        yield subproc.stdout.read_until(b">>> ")
        subproc.stdin.write(b"raise SystemExit\n")
        data = yield subproc.stdout.read_until_close()
        self.assertEqual(data, b"") 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def setUp(self):
        if IOLoop.configured_class().__name__ == 'TwistedIOLoop':
            # TwistedIOLoop only supports the global reactor, so we can't have
            # separate IOLoops for client and server threads.
            raise unittest.SkipTest(
                'Sync HTTPClient not compatible with TwistedIOLoop')
        self.server_ioloop = IOLoop()

        @gen.coroutine
        def init_server():
            sock, self.port = bind_unused_port()
            app = Application([('/', HelloWorldHandler)])
            self.server = HTTPServer(app)
            self.server.add_socket(sock)
        self.server_ioloop.run_sync(init_server)

        self.server_thread = threading.Thread(target=self.server_ioloop.start)
        self.server_thread.start()

        self.http_client = HTTPClient() 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def skip_if_twisted():
    if IOLoop.configured_class().__name__.endswith(('TwistedIOLoop',
                                                    'AsyncIOMainLoop')):
        raise unittest.SkipTest("Process tests not compatible with "
                                "TwistedIOLoop or AsyncIOMainLoop")

# Not using AsyncHTTPTestCase because we need control over the IOLoop. 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def test_subprocess(self):
        if IOLoop.configured_class().__name__.endswith('LayeredTwistedIOLoop'):
            # This test fails non-deterministically with LayeredTwistedIOLoop.
            # (the read_until('\n') returns '\n' instead of 'hello\n')
            # This probably indicates a problem with either TornadoReactor
            # or TwistedIOLoop, but I haven't been able to track it down
            # and for now this is just causing spurious travis-ci failures.
            raise unittest.SkipTest("Subprocess tests not compatible with "
                                    "LayeredTwistedIOLoop")
        subproc = Subprocess([sys.executable, '-u', '-i'],
                             stdin=Subprocess.STREAM,
                             stdout=Subprocess.STREAM, stderr=subprocess.STDOUT,
                             io_loop=self.io_loop)
        self.addCleanup(lambda: os.kill(subproc.pid, signal.SIGTERM))
        subproc.stdout.read_until(b'>>> ', self.stop)
        self.wait()
        subproc.stdin.write(b"print('hello')\n")
        subproc.stdout.read_until(b'\n', self.stop)
        data = self.wait()
        self.assertEqual(data, b"hello\n")

        subproc.stdout.read_until(b">>> ", self.stop)
        self.wait()
        subproc.stdin.write(b"raise SystemExit\n")
        subproc.stdout.read_until_close(self.stop)
        data = self.wait()
        self.assertEqual(data, b"") 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def save_signal_handlers():
    saved = {}
    for sig in [signal.SIGINT, signal.SIGTERM, signal.SIGCHLD]:
        saved[sig] = signal.getsignal(sig)
    if "twisted" in repr(saved):
        if not issubclass(IOLoop.configured_class(), TwistedIOLoop):
            # when the global ioloop is twisted, we expect the signal
            # handlers to be installed.  Otherwise, it means we're not
            # cleaning up after twisted properly.
            raise Exception("twisted signal handlers already installed")
    return saved 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def test_subprocess(self):
        if IOLoop.configured_class().__name__.endswith("LayeredTwistedIOLoop"):
            # This test fails non-deterministically with LayeredTwistedIOLoop.
            # (the read_until('\n') returns '\n' instead of 'hello\n')
            # This probably indicates a problem with either TornadoReactor
            # or TwistedIOLoop, but I haven't been able to track it down
            # and for now this is just causing spurious travis-ci failures.
            raise unittest.SkipTest(
                "Subprocess tests not compatible with " "LayeredTwistedIOLoop"
            )
        subproc = Subprocess(
            [sys.executable, "-u", "-i"],
            stdin=Subprocess.STREAM,
            stdout=Subprocess.STREAM,
            stderr=subprocess.STDOUT,
        )
        self.addCleanup(lambda: self.term_and_wait(subproc))
        self.addCleanup(subproc.stdout.close)
        self.addCleanup(subproc.stdin.close)
        yield subproc.stdout.read_until(b">>> ")
        subproc.stdin.write(b"print('hello')\n")
        data = yield subproc.stdout.read_until(b"\n")
        self.assertEqual(data, b"hello\n")

        yield subproc.stdout.read_until(b">>> ")
        subproc.stdin.write(b"raise SystemExit\n")
        data = yield subproc.stdout.read_until_close()
        self.assertEqual(data, b"") 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def skip_if_twisted():
    if IOLoop.configured_class().__name__.endswith('TwistedIOLoop'):
        raise unittest.SkipTest("Process tests not compatible with TwistedIOLoop")

# Not using AsyncHTTPTestCase because we need control over the IOLoop. 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def test_gc_infinite_coro(self):
        # Github issue 2229: suspended coroutines should be GCed when
        # their loop is closed, even if they're involved in a reference
        # cycle.
        if IOLoop.configured_class().__name__.endswith('TwistedIOLoop'):
            raise unittest.SkipTest("Test may fail on TwistedIOLoop")

        loop = self.get_new_ioloop()
        result = []
        wfut = []

        @gen.coroutine
        def infinite_coro():
            try:
                while True:
                    yield gen.sleep(1e-3)
                    result.append(True)
            finally:
                # coroutine finalizer
                result.append(None)

        @gen.coroutine
        def do_something():
            fut = infinite_coro()
            fut._refcycle = fut
            wfut.append(weakref.ref(fut))
            yield gen.sleep(0.2)

        loop.run_sync(do_something)
        loop.close()
        gc.collect()
        # Future was collected
        self.assertIs(wfut[0](), None)
        # At least one wakeup
        self.assertGreaterEqual(len(result), 2)
        if not self.is_pypy3():
            # coroutine finalizer was called (not on PyPy3 apparently)
            self.assertIs(result[-1], None) 

# 需要导入模块: from tornado.ioloop import IOLoop [as 别名]
# 或者: from tornado.ioloop.IOLoop import configured_class [as 别名]
def test_uncaught_exception_log(self):
        if IOLoop.configured_class().__name__.endswith('AsyncIOLoop'):
            # Install an exception handler that mirrors our
            # non-asyncio logging behavior.
            def exc_handler(loop, context):
                app_log.error('%s: %s', context['message'],
                              type(context.get('exception')))
            self.io_loop.asyncio_loop.set_exception_handler(exc_handler)

        @gen.coroutine
        def f():
            yield gen.moment
            1 / 0

        g = f()

        with ExpectLog(app_log,
                       "(?s)Future.* exception was never retrieved:"
                       ".*ZeroDivisionError"):
            yield gen.moment
            yield gen.moment
            # For some reason, TwistedIOLoop and pypy3 need a third iteration
            # in order to drain references to the future
            yield gen.moment
            del g
            gc.collect()  # for PyPy


# The following series of classes demonstrate and test various styles
# of use, with and without generators and futures.