fix: dont log BrokenPipeError and ConnectionResetError

stapler/handlers.py

@@ -300,6 +300,8 @@ class RequestHandler(http.server.SimpleHTTPRequestHandler, BaseHandler):
         self.__target_spa: str | None = None
         try:
             super().__init__(*args, directory=params.data_dir, **kwargs, params=params)  # ty:ignore[unknown-argument]
+        except (BrokenPipeError, ConnectionResetError) as e:
+            self.logger.error("Connection lost: %s", str(e))  # noqa: TRY400
         except:
             self.logger.exception("Could not handle request")
 

tests/test_handlers.py

@@ -177,6 +177,21 @@ class TestRequestHandler(BaseHandlerTestCase):
                 token_manager=self.token_manager,
             )
 
+    def test_handle_disconnect_silently(self) -> None:
+        with self.patch("http.server.BaseHTTPRequestHandler.__init__") as mock:
+            mock.side_effect = BrokenPipeError
+            logging.basicConfig(level=logging.CRITICAL)
+            RequestHandler(
+                unittest.mock.MagicMock(),
+                "127.0.0.1",
+                unittest.mock.MagicMock(),
+                params=Parameters(
+                    data_dir=self.get_tmp_dir(), certbot_www=str(self.certbot_www)
+                ),
+                registry=self.registry,
+                token_manager=self.token_manager,
+            )
+
     def test_do_head_forward(self) -> None:
         handler = self._get_handler()
         with (