From: Sidharth Ajithkumar <sidharthajithkumar@gmail.com>
Date: Thu, 25 Aug 2022 09:55:53 +0000 (+0530)
Subject: ✨ Preserve `json.JSONDecodeError` information when handling invalid JSON in request... 
X-Git-Tag: 0.81.0~65
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9359a8d65fdff4460d01d652ccafd31507c6c426;p=thirdparty%2Ffastapi%2Ffastapi.git

✨ Preserve `json.JSONDecodeError` information when handling invalid JSON in request body, to support custom exception handlers that use its information (#4057)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---

diff --git a/fastapi/routing.py b/fastapi/routing.py
index 80bd53279a..8f4d0fa7ef 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -209,7 +209,9 @@ def get_request_handler(
                         else:
                             body = body_bytes
         except json.JSONDecodeError as e:
-            raise RequestValidationError([ErrorWrapper(e, ("body", e.pos))], body=e.doc)
+            raise RequestValidationError(
+                [ErrorWrapper(e, ("body", e.pos))], body=e.doc
+            ) from e
         except Exception as e:
             raise HTTPException(
                 status_code=400, detail="There was an error parsing the body"