/ users / login'中的KeyError isLoggedIn'

时间:2017-03-19 00:24:35

标签: django python-2.7

所以错误在我的views.py文件的第29行。但是,我似乎无法找到问题所在。我的观点和我的models.py文件看起来很好。当您单击登录页面上的登录按钮时会发生这种情况。我确实去了整个def登录。并且第29行之后的else的功能确实有效,如果我输入了错误的信息,它会像ti那样抛出消息。所以它只是if语句

/ users / login中的MultiValueDictKeyError " U'电子邮件'"错误是视图py中的第29行

回溯:

文件" C:\ Users \ dbhol \ Desktop \ DojoAssignments \ Python \ myenvirnoments \ djangoENv \ lib \ site-packages \ django \ core \ handlers \ exception.py"在内心   42. response = get_response(request)

文件" C:\ Users \ dbhol \ Desktop \ DojoAssignments \ Python \ myenvirnoments \ djangoENv \ lib \ site-packages \ django \ core \ handlers \ base.py"在_get_response中   187. response = self.process_exception_by_middleware(e,request)

文件" C:\ Users \ dbhol \ Desktop \ DojoAssignments \ Python \ myenvirnoments \ djangoENv \ lib \ site-packages \ django \ core \ handlers \ base.py"在_get_response中   185. response = wrapped_callback(request,* callback_args,** callback_kwargs)

文件" C:\ Users \ dbhol \ Desktop \ DojoAssignments \ Python \ myenvirnoments \ django2 \ loginReg \ loginReg \ apps \ logReg \ views.py"在登录   29.如果viewsResponse [' isLoggedIn']:

异常类型:/ users / login中的KeyError 例外值:' isLoggedIn'

<!DOCTYPE html>
<html>
<head>
    <title>Login and Registration</title>
</head>
<body>
    {% if messages %}
        {% for message in messages %}
            <p>{{ message }}</p>
        {% endfor %}
    {% endif %}
    <div class="register">
        <h1>Register</h1>
        <form class="" action="{% url 'users:register' %}" method="post">
            {% csrf_token %}
            <p>First Name: <input type="text" name="first_name" value=""></p>
            <p>Last Name: <input type="text" name="last_name" value=""></p>
            <p>Email: <input type="text" name="email" value=""></p>
            <p>Password: <input type="Password" name="password" value=""></p>
            <p>Confirm Password: <input type="password" name="confirm_password" value=""></p>
            <input type="submit" name="" value="Register">
        </form>
    </div>
    <div class="login">
        <h1>Login</h1>
        {% csrf_token %}
        <form class="" action="{% url 'users:login' %}" method="post">
        <p>Email: <input type="text" name="email" value=""></p>
        <p>Password: <input type="Password" name="password" value=""></p>
        <input type="submit" name="" value="Login">
        </form>
    </div>
</body>
</html>

Models.py

from __future__ import unicode_literals
from django.db import models
import re, bcrypt
EMAIL_REGEX = re.compile(r'^[a-zA-Z0-9.+_-]+@[a-zA-Z0-9._-]+\.[a-zA-Z]+$')

class UserManager(models.Manager):
    def add_user(self, postData):
        errors = []
        if not len(postData['first_name']):
            errors.append('First name is required')
        if len(postData['last_name']) < 2:
            errors.append('Last name must be at least 2 characters long!')
        if not len(postData['email']):
            errors.append('Email is required!')
        if not EMAIL_REGEX.match(postData['email']):
            errors.append('Please enter a valid email!')
        check_email = self.filter(email = postData['email'])
        if check_email:
            errors.append('Sorry email already exist!')
        if len(postData['password']) < 8:
            errors.append('Password must be at least 8 characters!')
        if not postData['password'] == postData['confirm_password']:
            errors.append('Passwors must match!')

        modelsResponse = {}

        if errors:
            # failed validations
            modelsResponse ['isRegistered'] = False
            modelsResponse['errors'] = errors
        else:
            # passed validations, create a new user
            hashed_password = bcrypt.hashpw(postData['password'].encode(), bcrypt.gensalt())
            user = self.create(first_name = postData['first_name'] , last_name = postData['last_name'], password = hashed_password)
            modelsResponse ['isRegistered']= True
            modelsResponse['user'] = user

        return modelsResponse

        def login_user(self, postData):
            user = self.filter(email = postData['email'])
            errors = []
            modelsResponse = {}
            if not user:
                #invalid email
                errors.append('Invalid email!')

            else:
                #found a user match, check the password to see if they match
                if bcrypt.checkpw(postData['password'].encode(), user[0].password.encode()):
                    #login the user
                    modelsResponse['isLoggedIn'] = True
                    modelsResponse['user'] = user[0]
                else:
                    # invalid email password combination
                    errors.append('Invalid email/password combination!')

            if errors:
                modelsResponse['isLoggedIn'] = False
                modelsResponse['errors'] = errors

        return modelsResponse

class User(models.Model):
    first_name = models.CharField(max_length = 50)
    last_name = models.CharField(max_length = 50)
    email = models.CharField(max_length = 100)
    password = models.CharField(max_length =100)
    created_at = models.DateTimeField(auto_now_add = True)
    updated_at = models.DateTimeField(auto_now = True)

    objects = UserManager()

Urls.py

from django.conf.urls import url, include 
from . import views

urlpatterns = [
    url(r'^$', views.index, name= 'index'),
    url(r'^register$', views.register, name = 'register' ),
    url(r'^success$', views.success, name = 'success'),
    url(r'^login$', views.login, name = 'login' ),
    url(r'^logout$', views.logout, name = 'logout'),
]

views.py

from django.shortcuts import render, redirect
from . models import User
from django.contrib import messages

# Create your views here.
def index(request):
    return render(request, 'logReg/index.html')

def register(request):
    viewsResponse = User.objects.add_user(request.POST)
    if viewsResponse['isRegistered']:
        request.session['user_id'] = viewsResponse['user'].id
        request.session['user_fname'] = viewsResponse['user'].first_name
        return redirect('users:success')
    else:
        for errors in viewsResponse['errors']:
            messages.error(request, errors)
        return redirect('users:index')


def success(request):
    if 'user_id' not in request.session:
        messages.error(request, 'Must be logged in!')
        return redirect('users.index')
    return render(request, 'logReg/success.html')

def login(request):
    viewsResponse = User.objects.login_user(request.POST)
    if viewsResponse['isLoggedIn']:
        request.session['user_id'] = viewsResponse['user'].id
        request.session['user_fname'] = viewsResponse['user'].first_name
        return redirect('users:success')
    else:
        for errors in viewsResponse['errors']:
            messages.error(request, errors)
        return redirect('users:index')

def logout(request):
    return redirect('users.index')

1 个答案:

答案 0 :(得分:0)

刚看到代码中存在可能的缺陷。您无法在def add_user

中使用电子邮件创建用户
user = self.create(first_name = postData['first_name'] , last_name = postData['last_name'], password = hashed_password

试试这段代码:

user = self.create(first_name = postData['first_name'] , last_name = postData['last_name'], email = postData['email'], password = hashed_password

希望至少让你朝着正确的方向前进。