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import sys
from collections.abc import Callable, Generator, Iterable, Mapping, MutableMapping, MutableSequence
from multiprocessing.connection import Connection
from multiprocessing.context import BaseContext, Process
from multiprocessing.queues import Queue, SimpleQueue
from threading import Lock, Semaphore, Thread
from types import TracebackType
from typing import Any, Generic, TypeVar, overload
from typing_extensions import TypeVarTuple, Unpack
from weakref import ref
from ._base import BrokenExecutor, Executor, Future
_T = TypeVar("_T")
_Ts = TypeVarTuple("_Ts")
_threads_wakeups: MutableMapping[Any, Any]
_global_shutdown: bool
class _ThreadWakeup:
_closed: bool
# Any: Unused send and recv methods
_reader: Connection[Any, Any]
_writer: Connection[Any, Any]
def close(self) -> None: ...
def wakeup(self) -> None: ...
def clear(self) -> None: ...
def _python_exit() -> None: ...
EXTRA_QUEUED_CALLS: int
_MAX_WINDOWS_WORKERS: int
class _RemoteTraceback(Exception):
tb: str
def __init__(self, tb: TracebackType) -> None: ...
class _ExceptionWithTraceback:
exc: BaseException
tb: TracebackType
def __init__(self, exc: BaseException, tb: TracebackType) -> None: ...
def __reduce__(self) -> str | tuple[Any, ...]: ...
def _rebuild_exc(exc: Exception, tb: str) -> Exception: ...
class _WorkItem(Generic[_T]):
future: Future[_T]
fn: Callable[..., _T]
args: Iterable[Any]
kwargs: Mapping[str, Any]
def __init__(self, future: Future[_T], fn: Callable[..., _T], args: Iterable[Any], kwargs: Mapping[str, Any]) -> None: ...
class _ResultItem:
work_id: int
exception: Exception
result: Any
if sys.version_info >= (3, 11):
exit_pid: int | None
def __init__(
self, work_id: int, exception: Exception | None = None, result: Any | None = None, exit_pid: int | None = None
) -> None: ...
else:
def __init__(self, work_id: int, exception: Exception | None = None, result: Any | None = None) -> None: ...
class _CallItem:
work_id: int
fn: Callable[..., Any]
args: Iterable[Any]
kwargs: Mapping[str, Any]
def __init__(self, work_id: int, fn: Callable[..., Any], args: Iterable[Any], kwargs: Mapping[str, Any]) -> None: ...
class _SafeQueue(Queue[Future[Any]]):
pending_work_items: dict[int, _WorkItem[Any]]
if sys.version_info < (3, 12):
shutdown_lock: Lock
thread_wakeup: _ThreadWakeup
if sys.version_info >= (3, 12):
def __init__(
self,
max_size: int | None = 0,
*,
ctx: BaseContext,
pending_work_items: dict[int, _WorkItem[Any]],
thread_wakeup: _ThreadWakeup,
) -> None: ...
elif sys.version_info >= (3, 9):
def __init__(
self,
max_size: int | None = 0,
*,
ctx: BaseContext,
pending_work_items: dict[int, _WorkItem[Any]],
shutdown_lock: Lock,
thread_wakeup: _ThreadWakeup,
) -> None: ...
else:
def __init__(
self, max_size: int | None = 0, *, ctx: BaseContext, pending_work_items: dict[int, _WorkItem[Any]]
) -> None: ...
def _on_queue_feeder_error(self, e: Exception, obj: _CallItem) -> None: ...
def _get_chunks(*iterables: Any, chunksize: int) -> Generator[tuple[Any, ...], None, None]: ...
def _process_chunk(fn: Callable[..., _T], chunk: Iterable[tuple[Any, ...]]) -> list[_T]: ...
if sys.version_info >= (3, 11):
def _sendback_result(
result_queue: SimpleQueue[_WorkItem[Any]],
work_id: int,
result: Any | None = None,
exception: Exception | None = None,
exit_pid: int | None = None,
) -> None: ...
else:
def _sendback_result(
result_queue: SimpleQueue[_WorkItem[Any]], work_id: int, result: Any | None = None, exception: Exception | None = None
) -> None: ...
if sys.version_info >= (3, 11):
def _process_worker(
call_queue: Queue[_CallItem],
result_queue: SimpleQueue[_ResultItem],
initializer: Callable[[Unpack[_Ts]], object] | None,
initargs: tuple[Unpack[_Ts]],
max_tasks: int | None = None,
) -> None: ...
else:
def _process_worker(
call_queue: Queue[_CallItem],
result_queue: SimpleQueue[_ResultItem],
initializer: Callable[[Unpack[_Ts]], object] | None,
initargs: tuple[Unpack[_Ts]],
) -> None: ...
if sys.version_info >= (3, 9):
class _ExecutorManagerThread(Thread):
thread_wakeup: _ThreadWakeup
shutdown_lock: Lock
executor_reference: ref[Any]
processes: MutableMapping[int, Process]
call_queue: Queue[_CallItem]
result_queue: SimpleQueue[_ResultItem]
work_ids_queue: Queue[int]
pending_work_items: dict[int, _WorkItem[Any]]
def __init__(self, executor: ProcessPoolExecutor) -> None: ...
def run(self) -> None: ...
def add_call_item_to_queue(self) -> None: ...
def wait_result_broken_or_wakeup(self) -> tuple[Any, bool, str]: ...
def process_result_item(self, result_item: int | _ResultItem) -> None: ...
def is_shutting_down(self) -> bool: ...
def terminate_broken(self, cause: str) -> None: ...
def flag_executor_shutting_down(self) -> None: ...
def shutdown_workers(self) -> None: ...
def join_executor_internals(self) -> None: ...
def get_n_children_alive(self) -> int: ...
_system_limits_checked: bool
_system_limited: bool | None
def _check_system_limits() -> None: ...
def _chain_from_iterable_of_lists(iterable: Iterable[MutableSequence[Any]]) -> Any: ...
class BrokenProcessPool(BrokenExecutor): ...
class ProcessPoolExecutor(Executor):
_mp_context: BaseContext | None
_initializer: Callable[..., None] | None
_initargs: tuple[Any, ...]
_executor_manager_thread: _ThreadWakeup
_processes: MutableMapping[int, Process]
_shutdown_thread: bool
_shutdown_lock: Lock
_idle_worker_semaphore: Semaphore
_broken: bool
_queue_count: int
_pending_work_items: dict[int, _WorkItem[Any]]
_cancel_pending_futures: bool
_executor_manager_thread_wakeup: _ThreadWakeup
_result_queue: SimpleQueue[Any]
_work_ids: Queue[Any]
if sys.version_info >= (3, 11):
@overload
def __init__(
self,
max_workers: int | None = None,
mp_context: BaseContext | None = None,
initializer: Callable[[], object] | None = None,
initargs: tuple[()] = (),
*,
max_tasks_per_child: int | None = None,
) -> None: ...
@overload
def __init__(
self,
max_workers: int | None = None,
mp_context: BaseContext | None = None,
*,
initializer: Callable[[Unpack[_Ts]], object],
initargs: tuple[Unpack[_Ts]],
max_tasks_per_child: int | None = None,
) -> None: ...
@overload
def __init__(
self,
max_workers: int | None,
mp_context: BaseContext | None,
initializer: Callable[[Unpack[_Ts]], object],
initargs: tuple[Unpack[_Ts]],
*,
max_tasks_per_child: int | None = None,
) -> None: ...
else:
@overload
def __init__(
self,
max_workers: int | None = None,
mp_context: BaseContext | None = None,
initializer: Callable[[], object] | None = None,
initargs: tuple[()] = (),
) -> None: ...
@overload
def __init__(
self,
max_workers: int | None = None,
mp_context: BaseContext | None = None,
*,
initializer: Callable[[Unpack[_Ts]], object],
initargs: tuple[Unpack[_Ts]],
) -> None: ...
@overload
def __init__(
self,
max_workers: int | None,
mp_context: BaseContext | None,
initializer: Callable[[Unpack[_Ts]], object],
initargs: tuple[Unpack[_Ts]],
) -> None: ...
if sys.version_info >= (3, 9):
def _start_executor_manager_thread(self) -> None: ...
def _adjust_process_count(self) -> None: ...
|
