From 7e5f3c38bd1198b344c5cf6b963e5d4f9ae47720 Mon Sep 17 00:00:00 2001
From: James Morris <6653392+J-M0@users.noreply.github.com>
Date: Fri, 11 Feb 2022 20:23:49 -0500
Subject: [PATCH] Add singledispatchmethod to singledispatch (#6089)

---
 stubs/singledispatch/@tests/stubtest_allowlist.txt |  1 +
 stubs/singledispatch/singledispatch.pyi            | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 stubs/singledispatch/@tests/stubtest_allowlist.txt

diff --git a/stubs/singledispatch/@tests/stubtest_allowlist.txt b/stubs/singledispatch/@tests/stubtest_allowlist.txt
new file mode 100644
index 000000000..d455fe6c1
--- /dev/null
+++ b/stubs/singledispatch/@tests/stubtest_allowlist.txt
@@ -0,0 +1 @@
+singledispatch.singledispatchmethod.__call__  # A lie to reflect that the descriptor get returns a callable
diff --git a/stubs/singledispatch/singledispatch.pyi b/stubs/singledispatch/singledispatch.pyi
index f264047ac..4a2af7296 100644
--- a/stubs/singledispatch/singledispatch.pyi
+++ b/stubs/singledispatch/singledispatch.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Callable, Generic, Mapping, TypeVar, overload
+from typing import Any, Callable, Generic, Mapping, Type, TypeVar, overload
 
 _T = TypeVar("_T")
 
@@ -13,3 +13,15 @@ class _SingleDispatchCallable(Generic[_T]):
     def __call__(self, *args: Any, **kwargs: Any) -> _T: ...
 
 def singledispatch(func: Callable[..., _T]) -> _SingleDispatchCallable[_T]: ...
+
+class singledispatchmethod(Generic[_T]):
+    dispatcher: _SingleDispatchCallable[_T]
+    func: Callable[..., _T]
+    def __init__(self, func: Callable[..., _T]) -> None: ...
+    @overload
+    def register(self, cls: Type[Any], method: None = ...) -> Callable[[Callable[..., _T]], Callable[..., _T]]: ...
+    @overload
+    def register(self, cls: Callable[..., _T], method: None = ...) -> Callable[..., _T]: ...
+    @overload
+    def register(self, cls: Type[Any], method: Callable[..., _T]) -> Callable[..., _T]: ...
+    def __call__(self, *args: Any, **kwargs: Any) -> _T: ...