error handling in python using flask
from flask import Flask, abort from auth import AuthError # depending on the error either 400 or any #just work with the following @app.errorhandler(404) def resource_not_found(error): return jsonify({ "success": True, "error": 404, "message": "Resource not found" }), 404 ##This works for any type of status code error #You'll follow the same steps just change the error value and message :) ### also for Auth error. @app.errorhandler(AuthError) def AuthError(error): """Need to return JSON and we'll have to get a response""" response = jsonify(error) response.status_code = error.status_code return response
flask error handling
from flask import json from werkzeug.exceptions import HTTPException @app.errorhandler(HTTPException) def handle_exception(e): """Return JSON instead of HTML for HTTP errors.""" # start with the correct headers and status code from the error response = e.get_response() # replace the body with JSON response.data = json.dumps({ "code": e.code, "name": e.name, "description": e.description, }) response.content_type = "application/json" return response
Source: flask.palletsprojects.com
flask error handling
from werkzeug.exceptions import HTTPException @app.errorhandler(Exception) def handle_exception(e): # pass through HTTP errors if isinstance(e, HTTPException): return e # now you're handling non-HTTP exceptions only return render_template("500_generic.html", e=e), 500
Source: flask.palletsprojects.com