Add (_)dummy_threading module, identical to threading (#3554)

* Add (_)dummy_threading module, identical to threading

* Remove unnecessary comment, add consistency check

stdlib/2and3/_dummy_threading.pyi

@@ -0,0 +1,197 @@
+
+from typing import (
+    Any, Callable, Iterable, List, Mapping, Optional, Tuple, Type, Union,
+    TypeVar,
+)
+from types import FrameType, TracebackType
+import sys
+
+# TODO recursive type
+_TF = Callable[[FrameType, str, Any], Optional[Callable[..., Any]]]
+
+_PF = Callable[[FrameType, str, Any], None]
+_T = TypeVar('_T')
+
+
+__all__: List[str]
+
+def active_count() -> int: ...
+if sys.version_info < (3,):
+    def activeCount() -> int: ...
+
+def current_thread() -> Thread: ...
+def currentThread() -> Thread: ...
+
+if sys.version_info >= (3,):
+    def get_ident() -> int: ...
+
+def enumerate() -> List[Thread]: ...
+
+if sys.version_info >= (3, 4):
+    def main_thread() -> Thread: ...
+
+if sys.version_info >= (3, 8):
+    from _thread import get_native_id as get_native_id
+
+def settrace(func: _TF) -> None: ...
+def setprofile(func: Optional[_PF]) -> None: ...
+def stack_size(size: int = ...) -> int: ...
+
+if sys.version_info >= (3,):
+    TIMEOUT_MAX: float
+
+class ThreadError(Exception): ...
+
+
+class local(object):
+    def __getattribute__(self, name: str) -> Any: ...
+    def __setattr__(self, name: str, value: Any) -> None: ...
+    def __delattr__(self, name: str) -> None: ...
+
+
+class Thread:
+    name: str
+    ident: Optional[int]
+    daemon: bool
+    if sys.version_info >= (3,):
+        def __init__(self, group: None = ...,
+                     target: Optional[Callable[..., Any]] = ...,
+                     name: Optional[str] = ...,
+                     args: Iterable[Any] = ...,
+                     kwargs: Mapping[str, Any] = ...,
+                     *, daemon: Optional[bool] = ...) -> None: ...
+    else:
+        def __init__(self, group: None = ...,
+                     target: Optional[Callable[..., Any]] = ...,
+                     name: Optional[str] = ...,
+                     args: Iterable[Any] = ...,
+                     kwargs: Mapping[str, Any] = ...) -> None: ...
+    def start(self) -> None: ...
+    def run(self) -> None: ...
+    def join(self, timeout: Optional[float] = ...) -> None: ...
+    def getName(self) -> str: ...
+    def setName(self, name: str) -> None: ...
+    if sys.version_info >= (3, 8):
+        @property
+        def native_id(self) -> Optional[int]: ...  # only available on some platforms
+    def is_alive(self) -> bool: ...
+    def isAlive(self) -> bool: ...
+    def isDaemon(self) -> bool: ...
+    def setDaemon(self, daemonic: bool) -> None: ...
+
+
+class _DummyThread(Thread): ...
+
+
+class Lock:
+    def __init__(self) -> None: ...
+    def __enter__(self) -> bool: ...
+    def __exit__(self, exc_type: Optional[Type[BaseException]],
+                 exc_val: Optional[BaseException],
+                 exc_tb: Optional[TracebackType]) -> Optional[bool]: ...
+    if sys.version_info >= (3,):
+        def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
+    else:
+        def acquire(self, blocking: bool = ...) -> bool: ...
+    def release(self) -> None: ...
+    def locked(self) -> bool: ...
+
+
+class _RLock:
+    def __init__(self) -> None: ...
+    def __enter__(self) -> bool: ...
+    def __exit__(self, exc_type: Optional[Type[BaseException]],
+                 exc_val: Optional[BaseException],
+                 exc_tb: Optional[TracebackType]) -> Optional[bool]: ...
+    if sys.version_info >= (3,):
+        def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
+    else:
+        def acquire(self, blocking: bool = ...) -> bool: ...
+    def release(self) -> None: ...
+
+
+RLock = _RLock
+
+
+class Condition:
+    def __init__(self, lock: Union[Lock, _RLock, None] = ...) -> None: ...
+    def __enter__(self) -> bool: ...
+    def __exit__(self, exc_type: Optional[Type[BaseException]],
+                 exc_val: Optional[BaseException],
+                 exc_tb: Optional[TracebackType]) -> Optional[bool]: ...
+    if sys.version_info >= (3,):
+        def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
+    else:
+        def acquire(self, blocking: bool = ...) -> bool: ...
+    def release(self) -> None: ...
+    def wait(self, timeout: Optional[float] = ...) -> bool: ...
+    if sys.version_info >= (3,):
+        def wait_for(self, predicate: Callable[[], _T],
+                     timeout: Optional[float] = ...) -> _T: ...
+    def notify(self, n: int = ...) -> None: ...
+    def notify_all(self) -> None: ...
+    def notifyAll(self) -> None: ...
+
+
+class Semaphore:
+    def __init__(self, value: int = ...) -> None: ...
+    def __enter__(self) -> bool: ...
+    def __exit__(self, exc_type: Optional[Type[BaseException]],
+                 exc_val: Optional[BaseException],
+                 exc_tb: Optional[TracebackType]) -> Optional[bool]: ...
+    if sys.version_info >= (3,):
+        def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
+    else:
+        def acquire(self, blocking: bool = ...) -> bool: ...
+    def release(self) -> None: ...
+
+class BoundedSemaphore:
+    def __init__(self, value: int = ...) -> None: ...
+    def __enter__(self) -> bool: ...
+    def __exit__(self, exc_type: Optional[Type[BaseException]],
+                 exc_val: Optional[BaseException],
+                 exc_tb: Optional[TracebackType]) -> Optional[bool]: ...
+    if sys.version_info >= (3,):
+        def acquire(self, blocking: bool = ..., timeout: float = ...) -> bool: ...
+    else:
+        def acquire(self, blocking: bool = ...) -> bool: ...
+    def release(self) -> None: ...
+
+
+class Event:
+    def __init__(self) -> None: ...
+    def is_set(self) -> bool: ...
+    if sys.version_info < (3,):
+        def isSet(self) -> bool: ...
+    def set(self) -> None: ...
+    def clear(self) -> None: ...
+    def wait(self, timeout: Optional[float] = ...) -> bool: ...
+
+if sys.version_info >= (3, 8):
+    from _thread import _ExceptHookArgs as ExceptHookArgs, ExceptHookArgs as _ExceptHookArgs  # don't ask
+    excepthook: Callable[[_ExceptHookArgs], Any]
+
+class Timer(Thread):
+    if sys.version_info >= (3,):
+        def __init__(self, interval: float, function: Callable[..., None],
+                     args: Optional[Iterable[Any]] = ...,
+                     kwargs: Optional[Mapping[str, Any]] = ...) -> None: ...
+    else:
+        def __init__(self, interval: float, function: Callable[..., None],
+                     args: Iterable[Any] = ...,
+                     kwargs: Mapping[str, Any] = ...) -> None: ...
+    def cancel(self) -> None: ...
+
+
+if sys.version_info >= (3,):
+    class Barrier:
+        parties: int
+        n_waiting: int
+        broken: bool
+        def __init__(self, parties: int, action: Optional[Callable[[], None]] = ...,
+                     timeout: Optional[float] = ...) -> None: ...
+        def wait(self, timeout: Optional[float] = ...) -> int: ...
+        def reset(self) -> None: ...
+        def abort(self) -> None: ...
+
+    class BrokenBarrierError(RuntimeError): ...

stdlib/2and3/dummy_threading.pyi

@@ -0,0 +1,3 @@
+
+from _dummy_threading import *
+from _dummy_threading import __all__ as __all__

stdlib/2and3/threading.pyi

@@ -1,4 +1,3 @@
-# Stubs for threading
 
 from typing import (
     Any, Callable, Iterable, List, Mapping, Optional, Tuple, Type, Union,
@@ -14,6 +13,8 @@ _PF = Callable[[FrameType, str, Any], None]
 _T = TypeVar('_T')
 
 
+__all__: List[str]
+
 def active_count() -> int: ...
 if sys.version_info < (3,):
     def activeCount() -> int: ...