Add stubs for new 3.11 loop.sock_*() methods

Author: fantix

Diff for: uvloop/loop.pyi

@@ -1,5 +1,6 @@
 import asyncio
 import ssl
+import sys
 from socket import AddressFamily, SocketKind, _Address, _RetAddress, socket
 from typing import (
     IO,
@@ -210,6 +211,9 @@ class Loop:
     async def sock_sendall(self, sock: socket, data: bytes) -> None: ...
     async def sock_accept(self, sock: socket) -> Tuple[socket, _RetAddress]: ...
     async def sock_connect(self, sock: socket, address: _Address) -> None: ...
+    async def sock_recvfrom(self, sock: socket, bufsize: int) -> bytes: ...
+    async def sock_recvfrom_into(self, sock: socket, buf: bytearray, nbytes: int = ...) -> int: ...
+    async def sock_sendto(self, sock: socket, data: bytes, address: _Address) -> None: ...
     async def connect_accepted_socket(
         self,
         protocol_factory: Callable[[], _ProtocolT],

Diff for: uvloop/loop.pyx

@@ -2617,6 +2617,18 @@ cdef class Loop:
         finally:
             socket_dec_io_ref(sock)
 
+    @cython.iterable_coroutine
+    async def sock_recvfrom(self, sock, bufsize):
+        raise NotImplementedError
+
+    @cython.iterable_coroutine
+    async def sock_recvfrom_into(self, sock, buf, nbytes=0):
+        raise NotImplementedError
+
+    @cython.iterable_coroutine
+    async def sock_sendto(self, sock, data, address):
+        raise NotImplementedError
+
     @cython.iterable_coroutine
     async def connect_accepted_socket(self, protocol_factory, sock, *,
                                       ssl=None,