Python collections.abc.Awaitable() Examples

The following are 4 code examples of collections.abc.Awaitable(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module collections.abc , or try the search function .
Example #1
Source File: rpc.py    From QuLab with MIT License 6 votes vote down vote up 
def handle_request(self, source, msgID, method, *args, **kw):
        """
        Handle a request from source.
        """
        try:
            func = self.getRequestHandler(method, source=source, msgID=msgID)
            if 'timeout' in kw and not acceptArg(func, 'timeout'):
                del kw['timeout']
            if inspect.iscoroutinefunction(func):
                result = await func(*args, **kw)
            else:
                result = await self.loop.run_in_executor(
                    self.executor, functools.partial(func, *args, **kw))
            if isinstance(result, Awaitable):
                result = await result
        except QuLabRPCError as e:
            result = e
        except Exception as e:
            result = QuLabRPCServerError.make(e)
        msg = pack(result)
        await self.response(source, msgID, msg)
Example #2
Source File: test_collections.py    From Fluid-Designer with GNU General Public License v3.0 4 votes vote down vote up 
def test_Awaitable(self):
        def gen():
            yield

        @types.coroutine
        def coro():
            yield

        async def new_coro():
            pass

        class Bar:
            def __await__(self):
                yield

        class MinimalCoro(Coroutine):
            def send(self, value):
                return value
            def throw(self, typ, val=None, tb=None):
                super().throw(typ, val, tb)
            def __await__(self):
                yield

        non_samples = [None, int(), gen(), object()]
        for x in non_samples:
            self.assertNotIsInstance(x, Awaitable)
            self.assertFalse(issubclass(type(x), Awaitable), repr(type(x)))

        samples = [Bar(), MinimalCoro()]
        for x in samples:
            self.assertIsInstance(x, Awaitable)
            self.assertTrue(issubclass(type(x), Awaitable))

        c = coro()
        # Iterable coroutines (generators with CO_ITERABLE_COROUTINE
        # flag don't have '__await__' method, hence can't be instances
        # of Awaitable. Use inspect.isawaitable to detect them.
        self.assertNotIsInstance(c, Awaitable)

        c = new_coro()
        self.assertIsInstance(c, Awaitable)
        c.close() # awoid RuntimeWarning that coro() was not awaited

        class CoroLike: pass
        Coroutine.register(CoroLike)
        self.assertTrue(isinstance(CoroLike(), Awaitable))
        self.assertTrue(issubclass(CoroLike, Awaitable))
        CoroLike = None
        support.gc_collect() # Kill CoroLike to clean-up ABCMeta cache
Example #3
Source File: test_collections.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 4 votes vote down vote up 
def test_Awaitable(self):
        def gen():
            yield

        @types.coroutine
        def coro():
            yield

        async def new_coro():
            pass

        class Bar:
            def __await__(self):
                yield

        class MinimalCoro(Coroutine):
            def send(self, value):
                return value
            def throw(self, typ, val=None, tb=None):
                super().throw(typ, val, tb)
            def __await__(self):
                yield

        non_samples = [None, int(), gen(), object()]
        for x in non_samples:
            self.assertNotIsInstance(x, Awaitable)
            self.assertFalse(issubclass(type(x), Awaitable), repr(type(x)))

        samples = [Bar(), MinimalCoro()]
        for x in samples:
            self.assertIsInstance(x, Awaitable)
            self.assertTrue(issubclass(type(x), Awaitable))

        c = coro()
        # Iterable coroutines (generators with CO_ITERABLE_COROUTINE
        # flag don't have '__await__' method, hence can't be instances
        # of Awaitable. Use inspect.isawaitable to detect them.
        self.assertNotIsInstance(c, Awaitable)

        c = new_coro()
        self.assertIsInstance(c, Awaitable)
        c.close() # awoid RuntimeWarning that coro() was not awaited

        class CoroLike: pass
        Coroutine.register(CoroLike)
        self.assertTrue(isinstance(CoroLike(), Awaitable))
        self.assertTrue(issubclass(CoroLike, Awaitable))
        CoroLike = None
        support.gc_collect() # Kill CoroLike to clean-up ABCMeta cache
Example #4
Source File: test_collections.py    From android_universal with MIT License 4 votes vote down vote up 
def test_Awaitable(self):
        def gen():
            yield

        @types.coroutine
        def coro():
            yield

        async def new_coro():
            pass

        class Bar:
            def __await__(self):
                yield

        class MinimalCoro(Coroutine):
            def send(self, value):
                return value
            def throw(self, typ, val=None, tb=None):
                super().throw(typ, val, tb)
            def __await__(self):
                yield

        non_samples = [None, int(), gen(), object()]
        for x in non_samples:
            self.assertNotIsInstance(x, Awaitable)
            self.assertFalse(issubclass(type(x), Awaitable), repr(type(x)))

        samples = [Bar(), MinimalCoro()]
        for x in samples:
            self.assertIsInstance(x, Awaitable)
            self.assertTrue(issubclass(type(x), Awaitable))

        c = coro()
        # Iterable coroutines (generators with CO_ITERABLE_COROUTINE
        # flag don't have '__await__' method, hence can't be instances
        # of Awaitable. Use inspect.isawaitable to detect them.
        self.assertNotIsInstance(c, Awaitable)

        c = new_coro()
        self.assertIsInstance(c, Awaitable)
        c.close() # avoid RuntimeWarning that coro() was not awaited

        class CoroLike: pass
        Coroutine.register(CoroLike)
        self.assertTrue(isinstance(CoroLike(), Awaitable))
        self.assertTrue(issubclass(CoroLike, Awaitable))
        CoroLike = None
        support.gc_collect() # Kill CoroLike to clean-up ABCMeta cache