Пример #1
0
    async def __call__(  # type: ignore  # Change signature from supertype
        self,
        fn: typing.Callable[..., typing.Awaitable[_RetValT]],
        *args: typing.Any,
        **kwargs: typing.Any,
    ) -> _RetValT:
        self.begin()

        retry_state = RetryCallState(retry_object=self,
                                     fn=fn,
                                     args=args,
                                     kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = await fn(*args, **kwargs)
                except BaseException:  # noqa: B902
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do
Пример #2
0
    def __call__(  # type: ignore  # Change signature from supertype
        self,
        fn:
        "typing.Callable[..., typing.Union[typing.Generator[typing.Any, typing.Any, _RetValT], Future[_RetValT]]]",
        *args: typing.Any,
        **kwargs: typing.Any,
    ) -> "typing.Generator[typing.Any, typing.Any, _RetValT]":
        self.begin()

        retry_state = RetryCallState(retry_object=self,
                                     fn=fn,
                                     args=args,
                                     kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = yield fn(*args, **kwargs)
                except BaseException:  # noqa: B902
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                yield self.sleep(do)
            else:
                raise gen.Return(do)
Пример #3
0
class AsyncRetrying(BaseRetrying):
    def __init__(self, sleep=sleep, **kwargs):
        super(AsyncRetrying, self).__init__(**kwargs)
        self.sleep = sleep

    async def __call__(self, fn, *args, **kwargs):
        self.begin(fn)

        retry_state = RetryCallState(retry_object=self,
                                     fn=fn,
                                     args=args,
                                     kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = await fn(*args, **kwargs)
                except BaseException:
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def __aiter__(self):
        self.begin(None)
        self._retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
        return self

    async def __anext__(self):
        while True:
            do = self.iter(retry_state=self._retry_state)
            if do is None:
                raise StopAsyncIteration
            elif isinstance(do, DoAttempt):
                return AttemptManager(retry_state=self._retry_state)
            elif isinstance(do, DoSleep):
                self._retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def wraps(self, fn):
        fn = super().wraps(fn)

        # Ensure wrapper is recognized as a coroutine function.
        async def async_wrapped(*args, **kwargs):
            return await fn(*args, **kwargs)

        # Preserve attributes
        async_wrapped.retry = fn.retry
        async_wrapped.retry_with = fn.retry_with

        return async_wrapped
Пример #4
0
    async def __call__(self, fn, *args, **kwargs):
        self.begin(fn)

        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = await fn(*args, **kwargs)
                except BaseException:  # noqa: B902
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do
Пример #5
0
class AsyncRetrying(BaseRetrying):
    def __init__(self, sleep=sleep, **kwargs):
        super(AsyncRetrying, self).__init__(**kwargs)
        self.sleep = sleep

    async def call(self, fn, *args, **kwargs):
        self.begin(fn)

        retry_state = RetryCallState(retry_object=self,
                                     fn=fn,
                                     args=args,
                                     kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = await fn(*args, **kwargs)
                except BaseException:
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def __aiter__(self):
        self.begin(None)
        self._retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
        return self

    async def __anext__(self):
        while True:
            do = self.iter(retry_state=self._retry_state)
            if do is None:
                raise StopAsyncIteration
            elif isinstance(do, DoAttempt):
                return AttemptManager(retry_state=self._retry_state)
            elif isinstance(do, DoSleep):
                self._retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do
Пример #6
0
    def call(self, fn, *args, **kwargs):
        self.begin(fn)

        retry_state = RetryCallState(
            retry_object=self, fn=fn, args=args, kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = yield fn(*args, **kwargs)
                except BaseException:
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                yield self.sleep(do)
            else:
                raise gen.Return(do)
Пример #7
0
    def call(self, fn, *args, **kwargs):
        self.begin(fn)

        call_state = RetryCallState(fn=fn, args=args, kwargs=kwargs)
        while True:
            do = self.iter(call_state=call_state)
            if isinstance(do, DoAttempt):
                call_state.attempt_number += 1
                try:
                    result = yield from fn(*args, **kwargs)
                except BaseException:
                    call_state.set_exception(sys.exc_info())
                else:
                    call_state.set_result(result)
            elif isinstance(do, DoSleep):
                call_state.prepare_for_next_attempt()
                yield from self.sleep(do)
            else:
                return do
class AsyncRetrying(BaseRetrying):
    """This is a modified version of the tenacity.AsyncRetrying class that handles asynchronously defined retry or
    retry_error_callback parameters.

    There is an open PR for this change on the tenacity repository: https://github.com/jd/tenacity/pull/289
    """
    def __init__(self, sleep=asyncio.sleep, **kwargs):
        super().__init__(**kwargs)
        self.sleep = sleep

    async def iter(self, retry_state):
        fut = retry_state.outcome
        if fut is None:
            if self.before is not None:
                self.before(retry_state)
            return DoAttempt()

        is_explicit_retry = retry_state.outcome.failed and isinstance(
            retry_state.outcome.exception(), TryAgain)
        if iscoroutinefunction(self.retry):
            should_retry = await self.retry(retry_state=retry_state)
        else:
            should_retry = self.retry(retry_state=retry_state)
        if not (is_explicit_retry or should_retry):
            return fut.result()

        if self.after is not None:
            self.after(retry_state=retry_state)

        self.statistics[
            "delay_since_first_attempt"] = retry_state.seconds_since_start
        if self.stop(retry_state=retry_state):
            if self.retry_error_callback:
                if iscoroutinefunction(self.retry_error_callback):
                    return await self.retry_error_callback(
                        retry_state=retry_state)
                return self.retry_error_callback(retry_state=retry_state)
            retry_exc = self.retry_error_cls(fut)
            if self.reraise:
                raise retry_exc.reraise()
            six.raise_from(retry_exc, fut.exception())

        if self.wait:
            iteration_sleep = self.wait(retry_state=retry_state)
        else:
            iteration_sleep = 0.0
        retry_state.next_action = RetryAction(iteration_sleep)
        retry_state.idle_for += iteration_sleep
        self.statistics["idle_for"] += iteration_sleep
        self.statistics["attempt_number"] += 1

        if self.before_sleep is not None:
            self.before_sleep(retry_state=retry_state)

        return DoSleep(iteration_sleep)

    async def __call__(self, fn, *args, **kwargs):
        self.begin()

        retry_state = RetryCallState(retry_object=self,
                                     fn=fn,
                                     args=args,
                                     kwargs=kwargs)
        while True:
            do = await self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = await fn(*args, **kwargs)
                except BaseException:
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def __aiter__(self):
        self.begin(None)
        self._retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
        return self

    async def __anext__(self):
        while True:
            do = await self.iter(retry_state=self._retry_state)
            if do is None:
                raise StopAsyncIteration
            if isinstance(do, DoAttempt):
                return AttemptManager(retry_state=self._retry_state)
            if isinstance(do, DoSleep):
                self._retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def wraps(self, fn):
        fn = super().wraps(fn)

        # Ensure wrapper is recognized as a coroutine function.
        async def async_wrapped(*args, **kwargs):
            return await fn(*args, **kwargs)

        # Preserve attributes
        async_wrapped.retry = fn.retry
        async_wrapped.retry_with = fn.retry_with

        return async_wrapped
Пример #9
0
class AsyncRetrying(BaseRetrying):
    def __init__(self,
                 sleep: typing.Callable[[float], typing.Awaitable] = sleep,
                 **kwargs: typing.Any) -> None:
        super().__init__(**kwargs)
        self.sleep = sleep

    async def __call__(  # type: ignore  # Change signature from supertype
        self,
        fn: typing.Callable[..., typing.Awaitable[_RetValT]],
        *args: typing.Any,
        **kwargs: typing.Any,
    ) -> _RetValT:
        self.begin()

        retry_state = RetryCallState(retry_object=self,
                                     fn=fn,
                                     args=args,
                                     kwargs=kwargs)
        while True:
            do = self.iter(retry_state=retry_state)
            if isinstance(do, DoAttempt):
                try:
                    result = await fn(*args, **kwargs)
                except BaseException:  # noqa: B902
                    retry_state.set_exception(sys.exc_info())
                else:
                    retry_state.set_result(result)
            elif isinstance(do, DoSleep):
                retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def __aiter__(self) -> "AsyncRetrying":
        self.begin()
        self._retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
        return self

    async def __anext__(self) -> typing.Union[AttemptManager, typing.Any]:
        while True:
            do = self.iter(retry_state=self._retry_state)
            if do is None:
                raise StopAsyncIteration
            elif isinstance(do, DoAttempt):
                return AttemptManager(retry_state=self._retry_state)
            elif isinstance(do, DoSleep):
                self._retry_state.prepare_for_next_attempt()
                await self.sleep(do)
            else:
                return do

    def wraps(self, fn: WrappedFn) -> WrappedFn:
        fn = super().wraps(fn)
        # Ensure wrapper is recognized as a coroutine function.

        @functools.wraps(fn)
        async def async_wrapped(*args: typing.Any,
                                **kwargs: typing.Any) -> typing.Any:
            return await fn(*args, **kwargs)

        # Preserve attributes
        async_wrapped.retry = fn.retry
        async_wrapped.retry_with = fn.retry_with

        return async_wrapped