def __init__(self, broadcast_instance: "Broadcast") -> None:
     self.broadcast = broadcast_instance
     self.execution_contexts = [ExecutionContext([])]
     self.parameter_contexts = [
         ParameterContext(
             None,
             None,
             None,
             [],
             [
                 [],
             ],
         )
     ]
     self.track_logs = [TrackLog()]
Esempio n. 2
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    async def lookup_by_directly(self, dispatcher: T_Dispatcher, name: str,
                                 annotation: Any, default: Any) -> Any:
        self.parameter_contexts.append(
            ParameterContext(name, annotation, default, []))

        dispatcher_callable = self.dispatcher_callable_detector(dispatcher)

        try:
            result = await self.execute_dispatcher_callable(dispatcher_callable
                                                            )
            if result.__class__ is Force:
                return result.target

            return result
        finally:
            self.parameter_contexts.pop()
    async def lookup_param(
        self,
        name: str,
        annotation: Any,
        default: Any,
        using_path: List[List["T_Dispatcher"]] = None,
    ) -> Any:
        self.parameter_contexts.append(
            ParameterContext(
                name, annotation, default, [], using_path or self.init_dispatch_path()
            )
        )
        track_log = self.track_log.log

        track_log.append((TrackLogType.LookupStart, name, annotation, default))
        try:
            for dispatcher in self.current_path:
                result = await run_always_await_safely(
                    self.dispatcher_callable_detector(dispatcher), self
                )

                if result is None:
                    self.track_log.fluent_success = False
                    track_log.append((TrackLogType.Continue, name, dispatcher))
                    continue

                if result.__class__ is Force:
                    result = result.target

                track_log.append((TrackLogType.Result, name, dispatcher))
                self.execution_contexts[-1]._index = 0
                return result
            else:
                track_log.append((TrackLogType.RequirementCrashed, name))
                raise RequirementCrashed(
                    "the dispatching requirement crashed: ",
                    self.name,
                    self.annotation,
                    self.default,
                )
        finally:
            track_log.append((TrackLogType.LookupEnd, name))
            self.parameter_contexts.pop()
    async def lookup_param_without_log(
        self,
        name: str,
        annotation: Any,
        default: Any,
        using_path: List[List["T_Dispatcher"]] = None,
    ) -> Any:
        self.parameter_contexts.append(
            ParameterContext(
                name, annotation, default, [], using_path or self.init_dispatch_path()
            )
        )

        result = None
        try:
            for dispatcher in self.current_path:
                result = await run_always_await_safely(
                    self.dispatcher_callable_detector(dispatcher), self
                )

                if result is None:
                    continue

                if result.__class__ is Force:
                    result = result.target

                self.execution_contexts[-1]._index = 0
                return result
            else:
                raise RequirementCrashed(
                    "the dispatching requirement crashed: ",
                    self.name,
                    self.annotation,
                    self.default,
                )
        finally:
            self.parameter_contexts.pop()
    async def lookup_by_directly(
        self,
        dispatcher: T_Dispatcher,
        name: str,
        annotation: Any,
        default: Any,
        using_path: List[List["T_Dispatcher"]] = None,
    ) -> Any:
        self.parameter_contexts.append(
            ParameterContext(
                name, annotation, default, [], using_path or self.init_dispatch_path()
            )
        )

        dispatcher_callable = self.dispatcher_callable_detector(dispatcher)

        try:
            result = await run_always_await_safely(dispatcher_callable, self)
            if result.__class__ is Force:
                return result.target

            return result
        finally:
            self.parameter_contexts.pop()
Esempio n. 6
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 def __init__(self, broadcast_instance: "Broadcast") -> None:
     self.broadcast = broadcast_instance
     self.alive_generator_dispatcher = [[]]
     self.execution_contexts = [ExecutionContext([], EmptyEvent())]
     self.parameter_contexts = [ParameterContext(None, None, None, [])]
Esempio n. 7
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    async def lookup_by(
        self,
        dispatcher: T_Dispatcher,
        name: str,
        annotation: Any,
        default: Any,
        enable_extra_return: bool = False,
    ) -> Union[Any, Tuple[Any, T_Dispatcher, DispatcherSource,
                          List[T_Dispatcher]]]:
        self.parameter_contexts.append(
            ParameterContext(name, annotation, default, []))

        result = None
        try:
            start_offset = self._index + int(bool(self._index))
            for self.execution_contexts[-1]._index, (
                    dispatcher,
                    dispatcher_callable,
                    source,
            ) in enumerate(
                    itertools.islice(
                        self.dispatcher_generator(
                            lambda x: [DispatcherSource([dispatcher])]),
                        start_offset,
                        None,
                        None,
                    ),
                    start=start_offset,
            ):
                result = await self.execute_dispatcher_callable(
                    dispatcher_callable)

                if result is None:
                    continue

                if result.__class__ is Force:
                    result = result.target

                self.execution_contexts[-1]._index = 0
                return ((
                    result,
                    weakref.ref(dispatcher),
                    source,
                    list(
                        map(
                            lambda x: weakref.ref(x),
                            itertools.islice(
                                self.dispatcher_generator(),
                                start_offset,
                                self._index,
                            ),
                        )),
                ) if enable_extra_return else result)
            else:
                raise RequirementCrashed(
                    "the dispatching requirement crashed: ",
                    self.name,
                    self.annotation,
                    self.default,
                )
        finally:
            for dispatcher, dispatcher_callable, source in self.dispatcher_generator(
                    lambda x: [
                        DispatcherSource(self.execution_contexts[-1].
                                         always_dispatchers)
                    ],
                    using_always=False,
            ):
                await self.execute_dispatcher_callable(dispatcher_callable)

            self.parameter_contexts.pop()