flask 错误处理register_errors(flask 46)

app.py

from flask import Flask,render_template from views.admin import admin_bp from views.auth import auth_bp from views.blog import blog_bp from settings import config from extensions import bootstrap,db,login_manager,csrf,ckeditor,mail,moment,toolbar,migrate,manager import os import click from flask_wtf.csrf import CSRFError from fakes import fake_admin, fake_categories, fake_posts, fake_comments

app = Flask(name) basedir = os.path.abspath(os.path.dirname(file))

def create_app(config_name=None): if config_name is None: config_name = os.getenv('FLASK_CONFIG', 'development')

app = Flask('flaskblog')
app.config.from_object(config[config_name])

register_blueprints(app)
register_extensions(app)
register_errors(app)
return app

def register_blueprints(app): app.register_blueprint(blog_bp) app.register_blueprint(admin_bp) app.register_blueprint(auth_bp)

def register_extensions(app): bootstrap.init_app(app) db.init_app(app) login_manager.init_app(app) csrf.init_app(app) ckeditor.init_app(app) mail.init_app(app) moment.init_app(app) toolbar.init_app(app) migrate.init_app(app, db) manager.init_app(app)

def register_errors(app): @app.errorhandler(400) def bad_request(e): return render_template('errors/400.html'),400

@app.errorhandler(404)
def page_not_found(e):
    return render_template('errors/404.html'), 404

@app.errorhandler(500)
def internal_server_error(e):
    return render_template('errors/500.html'), 500

@app.errorhandler(CSRFError)
def handle_csrf_error(e):
    return render_template('errors/400.html', description=e.description), 400

errors/500.html

{% extends 'base.html' %}

{% block title %}500 Error{% endblock %}

{% block content %} <div class="page-header"> <h1>500 Error</h1> </div> <div class="row"> <div class="col-sm-8"> <p>Internal Server Error</p> </div> <div class="col-sm-4 sidebar"> {% include '_sidebar.html' %} </div> </div> {% endblock %}

errors/404.html

{% extends 'base.html' %}

{% block title %}404 Error{% endblock %}

{% block content %} <div class="page-header"> <h1>404 Error</h1> </div> <div class="row"> <div class="col-sm-8"> <p>Page Not Found</p> </div> <div class="col-sm-4 sidebar"> {% include 'blog/_sidebar.html' %} </div> </div> {% endblock %}

errors/400.html

{% extends 'base.html' %}

{% block title %}400 Error{% endblock %}

{% block content %} <div class="page-header"> <h1>400 Error</h1> </div> <div class="row"> <div class="col-sm-8"> <p>{{ description|default('Bad Request') }}</p> </div> <div class="col-sm-4 sidebar"> {% include 'blog/_sidebar.html' %} </div> </div> {% endblock %}