diff --git a/docs/api-guide/exceptions.md b/docs/api-guide/exceptions.md index 8b3e50f1e..fa5053dfe 100644 --- a/docs/api-guide/exceptions.md +++ b/docs/api-guide/exceptions.md @@ -30,9 +30,27 @@ Might receive an error response indicating that the `DELETE` method is not allow HTTP/1.1 405 Method Not Allowed Content-Type: application/json; charset=utf-8 Content-Length: 42 - + {"detail": "Method 'DELETE' not allowed."} +## Custom exception handling + +To implement custom exception handling (e.g. to handle additional exception classes or to override the error response format), create an exception handler function with the following signature: + + exception_handler(exc) + +* `exc`: The exception. + +If the function returns `None`, a 500 error will be raised. + +The exception handler is set globally, using the `EXCEPTION_HANDLER` setting. For example: + + 'EXCEPTION_HANDLER': 'project.app.module.function' + +If not specified, this setting defaults to the exception handler described above: + + 'EXCEPTION_HANDLER': 'rest_framework.views.exception_handler' + --- # API Reference