feat: add self to validate_handler_fn error message (#4157)

thewisenerd · web-flow · commit 6129482018e6 · 2025-04-30T20:34:24.000+02:00
diff --git a/litestar/handlers/http_handlers/base.py b/litestar/handlers/http_handlers/base.py
@@ -610,7 +610,7 @@ def _validate_handler_function(self) -> None:
         ) and not is_empty_response_annotation(return_type):
             raise ImproperlyConfiguredException(
                 "A status code 204, 304 or in the range below 200 does not support a response body. "
-                "If the function should return a value, change the route handler status code to an appropriate value.",
+                f"If {self} should return a value, change the route handler status code to an appropriate value.",
             )
 
         if not self.media_type:

Original file line number	Diff line number	Diff line change
`@@ -610,7 +610,7 @@ def _validate_handler_function(self) -> None:`
`610`	`610`	`) and not is_empty_response_annotation(return_type):`
`611`	`611`	`raise ImproperlyConfiguredException(`
`612`	`612`	`"A status code 204, 304 or in the range below 200 does not support a response body. "`
`613`		`- "If the function should return a value, change the route handler status code to an appropriate value.",`
	`613`	`+ f"If {self} should return a value, change the route handler status code to an appropriate value.",`
`614`	`614`	`)`
`615`	`615`
`616`	`616`	`if not self.media_type:`