在我的django应用程序中，名为<Grid.Resources>
<CollectionViewSource Source="{Binding DOAProperty}" x:Key="possibilities"/>
</Grid.Resources>
<DataGrid
HorizontalAlignment="Left"
Height="243"
VerticalAlignment="Top"
Width="977"
AutoGenerateColumns="False"
ItemsSource="{Binding iecv}"
IsSynchronizedWithCurrentItem="True"
>
<DataGrid.Columns>
<DataGridTextColumn Header="DivID" Binding="{Binding DivisionID}"></DataGridTextColumn>
<DataGridTextColumn Header="Name" Binding="{Binding DivisionName}"></DataGridTextColumn>
<DataGridTextColumn Header="AuthLevels" Binding="{Binding AuthLevels}"></DataGridTextColumn>
<DataGridComboBoxColumn Header="SeletedAuthLevel" ItemsSource="{Binding Source={StaticResource possibilities} }" SelectedItemBinding="{Binding SelectedAuthID, Mode=TwoWay}" SelectedValuePath="AuthLevels" DisplayMemberPath="AuthLevels" />
</DataGrid.Columns>
</DataGrid>
，我创建了一个自定义用户模型，主要是在django documentation之后。
在我之前的一个项目中，它曾经有过工作，但现在我说：
authentication我经常遇到错误：
user = User.objects.get(username=username)
我用python2和python3，django版本1.9和1.10进行了测试
可能出现什么问题？
我的代码：
AttributeError: Manager isn't available; 'auth.User' has been swapped for 'authentication.User'.
：
models.py from django.db import models
from django.contrib.auth.models import AbstractBaseUser, \
BaseUserManager, PermissionsMixin
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
import uuid
import base64
class UserManager(BaseUserManager):
def create_user(self, username, email, name, password=None):
user = self.model(
username=username,
email=email,
name=name,
last_login=timezone.now()
) # last_login is defined in AbstractBaseUser
user.set_password(password)
user.save(using=self._db)
return user
def create_superuser(self, username, password):
user = self.create_user(
username=username,
email=None,
name=username,
password=password
)
user.is_staff = True
user.is_superuser = True
user.save(using=self._db)
return user
def generate_registration_code():
return "asd"
class User(AbstractBaseUser, PermissionsMixin):
# This model should be created in the firest migration:
# https://docs.djangoproject.com/en/1.9/topics/auth/customizing/#substituting-a-custom-user-model
# We use username, not email as primary user id, because OAuth
# implementation via python-social-auth requires this field to
# be present.
username = models.CharField(
verbose_name=_('username'),
max_length=255,
unique=True
)
email = models.EmailField(null=True, blank=True)
# name is a human-readable name used to refer to user e.g. "Martin Taylor"
# longest full name registered in guinness book is 744 letters-long
name = models.CharField(
verbose_name=_('name'),
max_length=1023,
null=True,
blank=True
)
# We don't need password and last_login fields, because they are
# already defined in AbstractBaseUser.
# is_active is a variable in AbstractBaseUser set to True, but we
# want a separate field for it.
is_active = models.BooleanField(
_('active'),
default=True,
help_text=_('Is this user account activated?')
)
is_staff = models.BooleanField(
_('staff status'),
default=False,
help_text=_('Is this user allowed to the admin page')
)
date_joined = models.DateTimeField(_('date joined'), default=timezone.now)
code = models.CharField(
null=True,
blank=True,
default=generate_registration_code,
max_length=255,
help_text=_('''
Code to be sent via e-mail upon registration
or password recovery.
''')
)
new_password = models.CharField(
null=True,
blank=True,
default="",
max_length=255,
help_text=_('''
If user is attempting to change password, this field stores new
password until user enters confirmation code.
''')
)
objects = UserManager()
USERNAME_FIELD = 'username'
REQUIRED_FIELDS = []
class Meta:
verbose_name = _('user')
verbose_name_plural = _('users')
def __str__(self):
return self.username
def get_short_name(self):
return self.username
def get_full_name(self):
return self.username
：
settings.py更新： 回溯：
"""
Django settings for simple_resserver_jwt project.
Generated by 'django-admin startproject' using Django 1.10.
For more information on this file, see
https://docs.djangoproject.com/en/1.10/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.10/ref/settings/
"""
import os
import datetime
# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'co0)lyiwbgi4wz#80gp&y++bga-+iqd8hxq5boiw3d$g(#!yl*'
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
ALLOWED_HOSTS = []
# Application definition
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'authentication',
]
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
ROOT_URLCONF = 'simple_resserver_jwt.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
WSGI_APPLICATION = 'simple_resserver_jwt.wsgi.application'
# Database
# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
}
AUTH_USER_MODEL = 'authentication.User'
AUTHENTICATION_BACKENDS = ['authentication.backends.AuthBackend', ]
REST_FRAMEWORK = {
'DEFAULT_PERMISSION_CLASSES': (
),
'DEFAULT_AUTHENTICATION_CLASSES': (
'rest_framework_jwt.authentication.JSONWebTokenAuthentication',
)
}
from rest_framework_jwt.authentication import JSONWebTokenAuthentication
with open('private') as f:
PRIVATE_KEY = f.readlines()
with open('public') as f:
PUBLIC_KEY = f.readlines()
JWT_AUTH = {
'JWT_ENCODE_HANDLER':
'authentication.utils.jwt_encode_handler',
'JWT_DECODE_HANDLER':
'authentication.utils.jwt_decode_handler',
# 'JWT_RESPONSE_PAYLOAD_HANDLER':
# 'authentication.utils.jwt_decode_handler',
'JWT_SECRET_KEY': PRIVATE_KEY,
'JWT_ALGORITHM': 'RS256',
'JWT_VERIFY': True,
'JWT_VERIFY_EXPIRATION': True,
'JWT_LEEWAY': 0,
'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=300),
'JWT_AUDIENCE': None,
'JWT_ISSUER': None,
'JWT_ALLOW_REFRESH': False,
'JWT_REFRESH_EXPIRATION_DELTA': datetime.timedelta(days=7),
'JWT_AUTH_HEADER_PREFIX': 'Bearer',
}
# Password validation
# https://docs.djangoproject.com/en/1.10/ref/settings/#auth-password-validators
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
]
# Internationalization
# https://docs.djangoproject.com/en/1.10/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.10/howto/static-files/
STATIC_URL = '/static/'