diff options
Diffstat (limited to 'venv/lib/python3.11/site-packages/anyio/abc/_eventloop.py')
| -rw-r--r-- | venv/lib/python3.11/site-packages/anyio/abc/_eventloop.py | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/venv/lib/python3.11/site-packages/anyio/abc/_eventloop.py b/venv/lib/python3.11/site-packages/anyio/abc/_eventloop.py deleted file mode 100644 index 4470d83..0000000 --- a/venv/lib/python3.11/site-packages/anyio/abc/_eventloop.py +++ /dev/null @@ -1,392 +0,0 @@ -from __future__ import annotations - -import math -import sys -from abc import ABCMeta, abstractmethod -from collections.abc import AsyncIterator, Awaitable, Mapping -from os import PathLike -from signal import Signals -from socket import AddressFamily, SocketKind, socket -from typing import ( - IO, - TYPE_CHECKING, - Any, - Callable, - ContextManager, - Sequence, - TypeVar, - overload, -) - -if sys.version_info >= (3, 11): - from typing import TypeVarTuple, Unpack -else: - from typing_extensions import TypeVarTuple, Unpack - -if TYPE_CHECKING: - from typing import Literal - - from .._core._synchronization import CapacityLimiter, Event - from .._core._tasks import CancelScope - from .._core._testing import TaskInfo - from ..from_thread import BlockingPortal - from ._sockets import ( - ConnectedUDPSocket, - ConnectedUNIXDatagramSocket, - IPSockAddrType, - SocketListener, - SocketStream, - UDPSocket, - UNIXDatagramSocket, - UNIXSocketStream, - ) - from ._subprocesses import Process - from ._tasks import TaskGroup - from ._testing import TestRunner - -T_Retval = TypeVar("T_Retval") -PosArgsT = TypeVarTuple("PosArgsT") - - -class AsyncBackend(metaclass=ABCMeta): - @classmethod - @abstractmethod - def run( - cls, - func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval]], - args: tuple[Unpack[PosArgsT]], - kwargs: dict[str, Any], - options: dict[str, Any], - ) -> T_Retval: - """ - Run the given coroutine function in an asynchronous event loop. - - The current thread must not be already running an event loop. - - :param func: a coroutine function - :param args: positional arguments to ``func`` - :param kwargs: positional arguments to ``func`` - :param options: keyword arguments to call the backend ``run()`` implementation - with - :return: the return value of the coroutine function - """ - - @classmethod - @abstractmethod - def current_token(cls) -> object: - """ - - :return: - """ - - @classmethod - @abstractmethod - def current_time(cls) -> float: - """ - Return the current value of the event loop's internal clock. - - :return: the clock value (seconds) - """ - - @classmethod - @abstractmethod - def cancelled_exception_class(cls) -> type[BaseException]: - """Return the exception class that is raised in a task if it's cancelled.""" - - @classmethod - @abstractmethod - async def checkpoint(cls) -> None: - """ - Check if the task has been cancelled, and allow rescheduling of other tasks. - - This is effectively the same as running :meth:`checkpoint_if_cancelled` and then - :meth:`cancel_shielded_checkpoint`. - """ - - @classmethod - async def checkpoint_if_cancelled(cls) -> None: - """ - Check if the current task group has been cancelled. - - This will check if the task has been cancelled, but will not allow other tasks - to be scheduled if not. - - """ - if cls.current_effective_deadline() == -math.inf: - await cls.checkpoint() - - @classmethod - async def cancel_shielded_checkpoint(cls) -> None: - """ - Allow the rescheduling of other tasks. - - This will give other tasks the opportunity to run, but without checking if the - current task group has been cancelled, unlike with :meth:`checkpoint`. - - """ - with cls.create_cancel_scope(shield=True): - await cls.sleep(0) - - @classmethod - @abstractmethod - async def sleep(cls, delay: float) -> None: - """ - Pause the current task for the specified duration. - - :param delay: the duration, in seconds - """ - - @classmethod - @abstractmethod - def create_cancel_scope( - cls, *, deadline: float = math.inf, shield: bool = False - ) -> CancelScope: - pass - - @classmethod - @abstractmethod - def current_effective_deadline(cls) -> float: - """ - Return the nearest deadline among all the cancel scopes effective for the - current task. - - :return: - - a clock value from the event loop's internal clock - - ``inf`` if there is no deadline in effect - - ``-inf`` if the current scope has been cancelled - :rtype: float - """ - - @classmethod - @abstractmethod - def create_task_group(cls) -> TaskGroup: - pass - - @classmethod - @abstractmethod - def create_event(cls) -> Event: - pass - - @classmethod - @abstractmethod - def create_capacity_limiter(cls, total_tokens: float) -> CapacityLimiter: - pass - - @classmethod - @abstractmethod - async def run_sync_in_worker_thread( - cls, - func: Callable[[Unpack[PosArgsT]], T_Retval], - args: tuple[Unpack[PosArgsT]], - abandon_on_cancel: bool = False, - limiter: CapacityLimiter | None = None, - ) -> T_Retval: - pass - - @classmethod - @abstractmethod - def check_cancelled(cls) -> None: - pass - - @classmethod - @abstractmethod - def run_async_from_thread( - cls, - func: Callable[[Unpack[PosArgsT]], Awaitable[T_Retval]], - args: tuple[Unpack[PosArgsT]], - token: object, - ) -> T_Retval: - pass - - @classmethod - @abstractmethod - def run_sync_from_thread( - cls, - func: Callable[[Unpack[PosArgsT]], T_Retval], - args: tuple[Unpack[PosArgsT]], - token: object, - ) -> T_Retval: - pass - - @classmethod - @abstractmethod - def create_blocking_portal(cls) -> BlockingPortal: - pass - - @classmethod - @overload - async def open_process( - cls, - command: str | bytes, - *, - shell: Literal[True], - stdin: int | IO[Any] | None, - stdout: int | IO[Any] | None, - stderr: int | IO[Any] | None, - cwd: str | bytes | PathLike[str] | None = None, - env: Mapping[str, str] | None = None, - start_new_session: bool = False, - ) -> Process: - pass - - @classmethod - @overload - async def open_process( - cls, - command: Sequence[str | bytes], - *, - shell: Literal[False], - stdin: int | IO[Any] | None, - stdout: int | IO[Any] | None, - stderr: int | IO[Any] | None, - cwd: str | bytes | PathLike[str] | None = None, - env: Mapping[str, str] | None = None, - start_new_session: bool = False, - ) -> Process: - pass - - @classmethod - @abstractmethod - async def open_process( - cls, - command: str | bytes | Sequence[str | bytes], - *, - shell: bool, - stdin: int | IO[Any] | None, - stdout: int | IO[Any] | None, - stderr: int | IO[Any] | None, - cwd: str | bytes | PathLike[str] | None = None, - env: Mapping[str, str] | None = None, - start_new_session: bool = False, - ) -> Process: - pass - - @classmethod - @abstractmethod - def setup_process_pool_exit_at_shutdown(cls, workers: set[Process]) -> None: - pass - - @classmethod - @abstractmethod - async def connect_tcp( - cls, host: str, port: int, local_address: IPSockAddrType | None = None - ) -> SocketStream: - pass - - @classmethod - @abstractmethod - async def connect_unix(cls, path: str | bytes) -> UNIXSocketStream: - pass - - @classmethod - @abstractmethod - def create_tcp_listener(cls, sock: socket) -> SocketListener: - pass - - @classmethod - @abstractmethod - def create_unix_listener(cls, sock: socket) -> SocketListener: - pass - - @classmethod - @abstractmethod - async def create_udp_socket( - cls, - family: AddressFamily, - local_address: IPSockAddrType | None, - remote_address: IPSockAddrType | None, - reuse_port: bool, - ) -> UDPSocket | ConnectedUDPSocket: - pass - - @classmethod - @overload - async def create_unix_datagram_socket( - cls, raw_socket: socket, remote_path: None - ) -> UNIXDatagramSocket: - ... - - @classmethod - @overload - async def create_unix_datagram_socket( - cls, raw_socket: socket, remote_path: str | bytes - ) -> ConnectedUNIXDatagramSocket: - ... - - @classmethod - @abstractmethod - async def create_unix_datagram_socket( - cls, raw_socket: socket, remote_path: str | bytes | None - ) -> UNIXDatagramSocket | ConnectedUNIXDatagramSocket: - pass - - @classmethod - @abstractmethod - async def getaddrinfo( - cls, - host: bytes | str | None, - port: str | int | None, - *, - family: int | AddressFamily = 0, - type: int | SocketKind = 0, - proto: int = 0, - flags: int = 0, - ) -> list[ - tuple[ - AddressFamily, - SocketKind, - int, - str, - tuple[str, int] | tuple[str, int, int, int], - ] - ]: - pass - - @classmethod - @abstractmethod - async def getnameinfo( - cls, sockaddr: IPSockAddrType, flags: int = 0 - ) -> tuple[str, str]: - pass - - @classmethod - @abstractmethod - async def wait_socket_readable(cls, sock: socket) -> None: - pass - - @classmethod - @abstractmethod - async def wait_socket_writable(cls, sock: socket) -> None: - pass - - @classmethod - @abstractmethod - def current_default_thread_limiter(cls) -> CapacityLimiter: - pass - - @classmethod - @abstractmethod - def open_signal_receiver( - cls, *signals: Signals - ) -> ContextManager[AsyncIterator[Signals]]: - pass - - @classmethod - @abstractmethod - def get_current_task(cls) -> TaskInfo: - pass - - @classmethod - @abstractmethod - def get_running_tasks(cls) -> list[TaskInfo]: - pass - - @classmethod - @abstractmethod - async def wait_all_tasks_blocked(cls) -> None: - pass - - @classmethod - @abstractmethod - def create_test_runner(cls, options: dict[str, Any]) -> TestRunner: - pass |