From dc0bfc588983dff62a0de1cd8263849555dd08f7 Mon Sep 17 00:00:00 2001
From: Sebastian Rittau <srittau@rittau.biz>
Date: Tue, 4 Aug 2020 18:32:38 +0200
Subject: [PATCH] Make FeedParser generic over Message (#4375)

---
 stdlib/3/email/feedparser.pyi | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/stdlib/3/email/feedparser.pyi b/stdlib/3/email/feedparser.pyi
index d68ecc794..ffcf4f0a7 100644
--- a/stdlib/3/email/feedparser.pyi
+++ b/stdlib/3/email/feedparser.pyi
@@ -1,15 +1,21 @@
-# Stubs for email.feedparser (Python 3.4)
-
 from email.message import Message
 from email.policy import Policy
-from typing import Callable
+from typing import Callable, Generic, TypeVar, overload
 
-class FeedParser:
-    def __init__(self, _factory: Callable[[], Message] = ..., *, policy: Policy = ...) -> None: ...
+_M = TypeVar("_M", bound=Message)
+
+class FeedParser(Generic[_M]):
+    @overload
+    def __init__(self: FeedParser[Message], _factory: None = ..., *, policy: Policy = ...) -> None: ...
+    @overload
+    def __init__(self, _factory: Callable[[], _M], *, policy: Policy = ...) -> None: ...
     def feed(self, data: str) -> None: ...
-    def close(self) -> Message: ...
+    def close(self) -> _M: ...
 
-class BytesFeedParser:
-    def __init__(self, _factory: Callable[[], Message] = ..., *, policy: Policy = ...) -> None: ...
+class BytesFeedParser(Generic[_M]):
+    @overload
+    def __init__(self: BytesFeedParser[Message], _factory: None = ..., *, policy: Policy = ...) -> None: ...
+    @overload
+    def __init__(self, _factory: Callable[[], _M], *, policy: Policy = ...) -> None: ...
     def feed(self, data: bytes) -> None: ...
-    def close(self) -> Message: ...
+    def close(self) -> _M: ...