UndefinedError:"current

本文介绍了UndefinedError:"current_user"未定义的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我有一个之前带有烧瓶的应用程序，但是现在我在其中使用了 Blueprint 并尝试运行它，但是出现了错误，所以我想知道那是g.user无法工作的Blueprint问题吗?以及如何解决它Thnx:)

I have a app with flask which works before But Now I use Blueprint in it and try to run it but got the error so i wonder that is the problem Blueprint that g.user Not working? and how can I fix it Thnx :)

app/layout/__ init __.py:

app/layout/__ init __.py :

from flask import Blueprint layout = Blueprint('layout', __name__) from . import view

__初始化__ .py

__ init __ .py

from flask import Flask from flask.ext.sqlalchemy import SQLAlchemy from flask.ext.login import LoginManager import psycopg2 from config import basedir from config import config app = Flask(__name__) app.config.from_object('config') db = SQLAlchemy() lm = LoginManager() lm.init_app(app) lm.login_view = 'login' def create_app(config_name): app = Flask(__name__) app.config['DEBUG'] = True app.config.from_object(config[config_name]) db.init_app(app) from .layout import layout as appr_blueprint # register our blueprints app.register_blueprint(appr_blueprint) return app

view.py:

view.py:

@layout.before_request def before_request(): g.user = current_user @layout.route('/login', methods = ['GET', 'POST']) def login(): form = LoginForm() #checks if the user is authernticated #or not, if yes it skips authentfic. if current_user is not None and current_user.is_authenticated(): return redirect(url_for('user')) #does not allow user to use get method if request.method == 'GET': return render_template('login.html', form = form, title = 'Login') #taking the user submitted data and checking if it exists in the database user_in_db = User.query.filter_by(name=form.name.data.lower()).first() #if the username is not wrong if user_in_db is not None and user_in_db != False: if form.email.data != user_in_db.email: flash('Email is incorrect') return redirect(url_for('login')) login_user(user_in_db) return redirect(url_for('user',page=1,sortby='normal')) else: flash('Username does not exists') return render_template('login.html', form = form, title = 'Login')

base.html:

base.html:

<div id="bodyAll"> <div class="navbar navbar-inverse navbar-fixed-top"> <div class="container-fluid"> <ul class="nav navbar-nav"> <li id="logo"> <a href="{{ url_for('layout.home') }}"> <span id="globe"class="glyphicon glyphicon-home"></span> Home </a> </li> <li id="logo"> <a href="{{ url_for('layout.new') }}"> <span id="globe"class="glyphicon glyphicon-plus"></span> Add Monkey </a> </li> <li> <a href="{{ url_for('layout.user',page = '1', sort = 'normal', monkey = monkey) }}"> <span class="glyphicon glyphicon-tree-deciduous"></span> Jungle </a> </li> {% if current_user.is_authenticated() %} //**Got error here** <li> <a href="#"> <span class="glyphicon glyphicon-user"></span> {{g.user.name.capitalize()}} </a> </li> {% endif %}

推荐答案

您应在 init .py中注册login_manager. 尝试添加这个

you should register login_manager in init.py try to add this

login_manager.init_app(app)