hi there,when learning flask,i have confronted a question,which is "BuildError: Could not build url for endpoint 'login'. Did you mean 'index' instead?",my code is below. - __author__ = 'Administrator'
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from app import app,db,lm,oid
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from flask import render_template,flash,redirect,session,url_for,request,g
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from flask.ext.login import login_user,logout_user,current_user,login_required
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from models import User
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from form import LoginForm#,EditForm
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from datetime import datetime
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@app.route('/')
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@app.route('/index')
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@login_required
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def index():
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user = g.user
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#user = { 'nickname': 'Miguel' } # fake user
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posts = [ # fake array of posts
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{
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'author': { 'nickname': 'John' },
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'body': 'Beautiful day in Portland!'
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},
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{
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'author': { 'nickname': 'Susan' },
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'body': 'The Avengers movie was so cool!'
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}
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]
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return render_template("index.html",
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title = 'Home',
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user = user,
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posts = posts)
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@lm.user_loader
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def load_user(id):
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return User.query.get(int(id))
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@app.route('/login',methods=['GET','POST'])
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@app.before_request
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def before_request():
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g.user = current_user
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def login():
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if g.user is not None and g.user.is_authenticated:
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return redirect(url_for('index'))
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form = LoginForm()
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print form.openid.data
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if form.validate_on_submit():
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session['remember_me'] = form.remember_me.data
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a= User.query.get(2).nickname
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print 'dataall '+str(a)
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user = User.query.filter_by(nickname=form.openid.data).first()
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print 'query result ' + str(user)
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if user :
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print 'user start'
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login_user(user)
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return redirect( url_for('index'))
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print 'user done'
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return render_template('login.html',title = 'Sign In',form = form,providers = app.config['OPENID_PROVIDERS'])
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-
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@app.route('/user/<nickname>')
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@login_required
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def user(nickname):
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user = User.query.filter_by(nickname = nickname).first()
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if user == None:
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flash('User' + nickname +"not found.")
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return redirect(url_for('index'))
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posts = [
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{'author':'user','body':'Test post #1'},
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{'author':'user','body':'Test post #2'}
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]
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return render_template('user.html',user=user,posts =posts)
html file is below - <html> <head>
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{% if title %}
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<title>{{title}} - microblog</title>
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{% else %}
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<title>microblog</title>
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{% endif %}
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</head> <body> <div>Microblog:
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<a href="{{ url_for('index') }}">Home</a> <a href="{{ url_for('user', nickname = g.user.nickname) }}">Your Profile</a> <a href="{{ url_for('logout') }}">Logout</a> </div> <hr>
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{% with messages = get_flashed_messages() %}
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{% if messages %}
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<ul>
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{% for messages in messages %}
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<li>{{ message }}</li>
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{% endfor %}
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</ul>
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{% endif %}
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{% endwith %}
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{% block content %}{% endblock %}
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</body> </html>
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