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Python

please help me there i was just doing the builiding social network with flask using pycharm but i fail to register .

it show "Valueerror" (user aready registerd) also i can not log in . there is my code

from flask_bcrypt import check_password_hash from flask import (Flask, g, flash, render_template, redirect, url_for) from flask_login import (LoginManager, login_user, logout_user, login_required, current_user)

import forms import models

DEBUG = True PORT = 8000 HOST = '192.168.43.12'

app = Flask(name) app.secret_key = 'auoesh,jahskd,alkjds,k_swekdius'

login_manager =LoginManager() login_manager.init_app(app) login_manager.login_view = 'login'

@login_manager.user_loader def load_user(userid): try: return models.User.get(models.User.id == userid) except models.DoesNotExist: return None

@app.before_request def before_request(): """connect to the data base before each request""" g.db = models.DATABASE g.db.connect() g.user = current_user

@app.after_request def after_request(response): """close to the data base each after request""" g.db.close() return response

@app.route('/register', methods = ('GET', 'POST')) def register(): form = forms.RegisterForm() if form .validate_on_submit(): flash("Wow ,you registered" , "success") models.User.create_user( username = form.username.data, email = form.email.data, password = form.password.data ) return redirect(url_for('index')) return render_template('register.html', form = form)

@app.route('/login', methods = ('GET', 'POST')) def login(): form = forms.LoginForm() if form.validate_on_submit(): try: user = models.User.get(models.User.email == form.email.data) except models.DoesNotExist: flash("your email or password doesn't match", "error") else: if check_password_hash(user.password, form.password.data): login_user(user) flash("you have been logged in", "success") return redirect(url_for('index')) else: flash("your email or password doesn't match", "error") return render_template('login.html',form=form)

@app.route('/logout') @login_required def logout(): logout_user() flash("you have been logged out come back soon", "success") return redirect(url_for('index'))

@app.route('/new_post', methods = ('GET', 'POST')) @login_required def post(): form = forms.PostForm() if form.validate_on_submit(): models.Post.create(user=g.user._get_current_object(), content = form.content.data.strip()) flash("Message posted!" ,"Thanks!", "success!") return redirect(url_for('index')) return render_template('post.html', form=form)

@app.route('/') def index(): return 'Hey'

if name == 'main': models.initialize()

try:
    models.User.create_user(
        username = 'kennethlove',
        email = "luckiusevodius@gmail.com",
        password = 'password',
        admin = True
    )
except ValueError:
    pass

app.run(debug = DEBUG, host = HOST, port = PORT)

and this is my layout.html file contain

<!DOCTYPE html> <html class="no-js"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>{% block title %}TwoCans{% endblock %}</title> <meta name="description" content=""> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href='http://fonts.googleapis.com/css?family=Varela+Round' rel='stylesheet' type='text/css'> <link rel="stylesheet" href="/static/css/normalize.min.css"> <link rel="stylesheet" href="/static/css/main.css"> <!--[if lt IE 9]> <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script> <script>window.html5 || document.write('<script src="/static/js/vendor/html5shiv.js"><\/script>')</script> <![endif]--> </head> <body> <header> <div class="row"> <div class="grid-33"> <a href="{{ url_for('index') }}" class="icon-logo"></a> </div> <div class="grid-33"> <!-- Say Hi --> <h1>Hello{% if current_user.is_authenticated %} {{ current_user.username }}{% endif %}!</h1> </div> <div class="grid-33"> <!-- Log in/Log out --> {% if current_user.is_authenticated %} <a href="{{ url_for('logout') }}" class="icon-power" title="Log out"></a> {% else %} <a href="{{ url_for('login') }}" class="icon-power" title="Log in"></a> <a href="{{ url_for('register') }}" class="icon-profile" title="Register"></a> {% endif %} </div> </div> </header> <!-- Flash messages --> {% with messages = get_flashed_messages(with_categories=True) %} {% if messages %} {% for category, message in messages %} <div class="notification {{ category }}">{{ message }}</div> {% endfor %} {% endif %} {% endwith %} <div class="row"> <div class="main"> <nav> <a href="{{ url_for('index') }}">All</a> {% if current_user.is_authenticated %} <a href="{{url_for('post')}}" class="new"> create new post</a> {% endif %} </nav> {% block content %}{% endblock %} </div> </div> <footer> <div class="row"> <p>A Social App built with Flask<br>by <a href="http://luckiusevodius@gmail.com">Kajoka</a></p> </div> </footer> <script src="/static/js/vendor/disTime.min.js"></script> <script src="/static/js/main.js"></script> </body> </html>

and this is my login.html file(login template)

{% extends "layout.html" %} {% from 'macros.html' import render_field %}

{% block content %} <form method = "POST" action = "" class = "form"> {{ form.hidden_tag() }} {% for field in form %} {{ render_field(field) }} {% endfor %} <button type = "submit" id = "submit">login!</button> </form> {% endblock %}