django - 无法将关键字“用户”解析为 Django 字段
问题描述
我对 Django 完全陌生。我已经阅读了文档,并在此处查找了内容,但内容不多。我基本上是想在我已经创建的页面上显示配置文件。我正在使用自定义用户模型。
问题是,我被建议在 'user=request.user 中简单地取出 'user',但问题是如果我这样做,我得到的 'Profile' 是不可迭代的。
在线错误description = Profile.objects.get(user=request.user).description
:
FieldError at /mingle/
Cannot resolve keyword 'user' into field. Choices are: date_joined, description, email, given_vote, id, is_active, is_admin, is_staff, is_superuser, last_login, logentry, matches, password, photo, username, uservote
Request Method: GET
Request URL: http://localhost:8000/mingle/
Django Version: 2.2.3
Exception Type: FieldError
Exception Value:
Cannot resolve keyword 'user' into field. Choices are: date_joined, description, email, given_vote, id, is_active, is_admin, is_staff, is_superuser, last_login, logentry, matches, password, photo, username, uservote
Exception Location: /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/django/db/models/sql/query.py in names_to_path, line 1420
Python Executable: /Library/Frameworks/Python.framework/Versions/3.7/bin/python3
Python Version: 3.7.3
Python Path:
['/Users/papichulo/Documents/DatingAppCustom',
'/Library/Frameworks/Python.framework/Versions/3.7/lib/python37.zip',
'/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7',
'/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/lib-dynload',
'/Users/papichulo/Library/Python/3.7/lib/python/site-packages',
'/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages']
Server time: Sun, 5 Apr 2020 19:20:01 +0000
混合.html
{% extends "dating_app/base.html" %}
{% load bootstrap4 %}
{% block content %}
<div class="container">
{% if user %}
<div class="container content is-child box column is-4 is-offset-4">
<img src="{{ profile.photo.url }}">
<p style="font-size: 25px">{{profile}}</p>
<b>Bio:</b>
<p>{{profile.description}}</p>
</div>
{% else %}
<p>Wait for more people to join!</p>
<p>Help us get more user. Share this link to your friends! <a href="http://localhost:8000/">http://localhost:8000/</a></p>
{% endif %}
{% endblock %}
视图.py
def mingle(request):
try:
user = (Profile.objects.exclude(id=request.user.id).exclude(uservote__voter=request.user).order_by('?')[0])
except IndexError:
user = None
print(Profile.username)
try:
description = Profile.objects.get(user=request.user).description
except Profile.DoesNotExist:
create = Profile.objects.get_or_create(user = request.user)
return redirect('profile')
match = models.Profile.objects.get(user=request.user).matches.all()
context = dict(user = user, match = match)
return render(request, 'dating_app/mingle.html', context)
模型.py
class ProfileManager(BaseUserManager):
def create_user(self, username, email,description,photo, password=None):
if not email:
raise ValueError("You must creat an email")
if not username:
raise ValueError("You must create a username!")
if not description:
raise ValueError("You must write a description")
if not photo:
raise ValueError("You must upload a photo")
user = self.model(
email=self.normalize_email(email),
username = username,
description= description,
photo= photo,
)
user.set_password(password)
user.save(using=self._db)
return user
def create_superuser(self, username, email,description,photo, password):
user = self.create_user(
email=self.normalize_email(email),
password=password,
username=username,
description=description,
photo=photo,
)
user.is_admin=True
user.is_staff=True
user.is_superuser=True
user.save(using=self._db)
return user
class Profile(AbstractBaseUser):
class Meta:
swappable = 'AUTH_USER_MODEL'
email = models.EmailField(verbose_name="email")
username = models.CharField(max_length=30, unique=True)
date_joined = models.DateTimeField(verbose_name='date joined', auto_now_add=True)
last_login = models.DateTimeField(verbose_name='last login', auto_now=True)
is_admin = models.BooleanField(default=False)
is_active = models.BooleanField(default=True)
is_staff = models.BooleanField(default=False)
is_superuser = models.BooleanField(default=False)
#what I added
description = models.TextField()
photo = models.ImageField(upload_to='profile_photo',blank=False, height_field=None, width_field=None, max_length=100)
matches = models.ManyToManyField(settings.AUTH_USER_MODEL, related_name='+', blank=True)
USERNAME_FIELD = 'username'
REQUIRED_FIELDS = ['description','photo','email']
objects = ProfileManager()
def __str__(self):
return self.username
def has_perm(self, perm, obj=None):
return self.is_admin
def has_module_perms(self,app_label):
return True
class UserVote(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
voter = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='given_vote', on_delete=models.CASCADE)
vote = models.BooleanField(default=False)
class Meta:
unique_together = (('user', 'voter'))
解决方案
您是否AUTH_USER_MODEL
在 settings.py 中设置为指向您的自定义Profile
模型?如果是这样,request.user
将已经是您尝试过滤的用户。
你可以改变:
description = Profile.objects.get(user=request.user).description
至:
description = request.user.description
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