Question

我正在尝试将mongodb与django连接，但出现此错误

ImproperlyConfigured: 'djongo' isn't an available database backend.
Try using 'django.db.backends.XXX', where XXX is one of:
    'mysql', 'oracle', 'postgresql_psycopg2', 'sqlite3'

我已经阅读过帖子，但它们都很老，没有帮助我。我已使用Studio 3T创建了mongodb数据库，数据库名称为 NewDataBase ，用户名为 gsc-30310 ，端口名为 27017 ，主机名为 localhost < / strong>

我使用的版本是：

python3

Django==2.1.1 mongoengine==0.15.3 pymongo==3.7.1

这是我的settings.py文件，请告诉我如何设置新版本的django和python3。谢谢

""" Django settings for RestUserAPI project. Generated by 'django-admin startproject' using Django 2.1.2. For more information on this file, see https://docs.djangoproject.com/en/2.1/topics/settings/ For the full list of settings and their values, see https://docs.djangoproject.com/en/2.1/ref/settings/ """ import os import mongoengine # 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/2.1/howto/deployment/checklist/ # SECURITY WARNING: keep the secret key used in production secret! SECRET_KEY = '3==2yxbjdvt+hkqm#*%s7cs4g(_+cus9pdup%bxd*uk03g^&w%' # 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', #RestFrameWork 'rest_framework', ] 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 = 'RestUserAPI.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 = 'RestUserAPI.wsgi.application' # Database # https://docs.djangoproject.com/en/2.1/ref/settings/#databases DATABASES = { 'default': { #'ENGINE': 'django.db.backends.sqlite3', #'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), 'ENGINE' : '', 'NAME' : 'local', 'USER' : 'gsc-30310', 'PASSWORD': 'gsc-30310', 'HOST': 'localhost', 'PORT': '27017', } } # _MONGODB_USER = 'gsc-30310' # _MONGODB_PASSWD = 'gsc-30310' # _MONGODB_HOST = '127.0.0.1' # _MONGODB_NAME = 'NewDataBase' # _MONGODB_DATABASE_HOST = \ # 'mongodb://%s:%s@%s/%s' \ # % (_MONGODB_USER, _MONGODB_PASSWD, _MONGODB_HOST, _MONGODB_NAME) # # mongoengine.connect(_MONGODB_NAME, host=_MONGODB_DATABASE_HOST) AUTHENTICATION_BACKENDS = ( 'mongoengine.django.auth.MongoEngineBackend', ) # Password validation # https://docs.djangoproject.com/en/2.1/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/2.1/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/2.1/howto/static-files/ STATIC_URL = '/static/' REST_FRAMEWORK = { 'DEFAULT_PERMISSION_CLASSES': [ 'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly' ], 'DEFAULT_RENDERER_CLASSES': ( 'rest_framework.renderers.JSONRenderer', 'rest_framework.renderers.BrowsableAPIRenderer', ), # 'DEFAULT_PARSER_CLASSES': ( # 'rest_framework.parsers.JSONParser', # ) 'DEFAULT_AUTHENTICATION_CLASSES':[ 'rest_framework.authentication.SessionAuthentication', #'rest_framework.authentication.BasicAuthentication' ], 'DEFAULT_PERMISSION_CLASSES':[ 'rest_framework.permissions.AllowAny', ] }

Answer 1

在Django视图中使用pymongo：

client = pymongo.MongoClient(MONGO_URI)
mongodb = client[MONGO_DB_NAME]
...
class MongoClassView(View):
   def post(request):
       ...
       mapped_data = {'name': 'John'}
       mongodb.get_collection('mycollection').insert(mapped_data)
       return JsonResponse({})

希望这会有所帮助

Answer 2

您可以尝试以下步骤将django 2.0或更高版本与MongoDB数据库连接：

1）为django 2.0安装mongoengine

pip install -e git+https://github.com/MongoEngine/django-mongoengine.git#egg=django-mongoengine

2）将它们添加到您的设置文件中：

from mongoengine import *

'django_mongoengine', // Add this line to installed app

MONGODB_DATABASES = {
"default": {
"name": '<db_name>',
"host": 'localhost',
"password": '',
"username": '',
"tz_aware": True, # if you using timezones in django (USE_TZ = True)
},
}

您可以找到查询数据库here

的详细信息

Answer 3

Django与诸如PostGreSQL，MySQL之类的关系数据库配合良好。每个django设置都需要具有使用“默认”配置定义的数据库配置，它还需要数据库各自的引擎，例如用于PostGreSQL的psycopg2，用于MySQL的mysqlclient-如果您有多个数据库配置，则需要使用数据库路由器检查here参考。如果是MongoDB-如果您确实需要使用MongoDB，则Django官方不支持NoNo数据库，如果您确实需要使用MongoDB，则在视图中创建mongoengine配置，并且可以在settings.py

中定义mongo凭证

Answer 4

首先感谢您对这个问题的回答和支持。

我同意 Sanchit 和 shreesh katti 的回答，我们可以使用mongoclient和mongoengine连接MongoDB，两者都很好。

我找到了另一种方法，有一个开源项目djongo，并且我正在使用djongo连接MongoDB数据库。 djongo的主要好处是它使您可以使用django提供的所有内容（例如models.Model）。

这是djongo GitHub页面https://github.com/nesdis/djongo

的链接

这是我们需要使用djongo的设置 settings.py

DATABASES = {
'default': {
    'ENGINE': 'djongo',
    'NAME': 'MyDB',
}

}

Answer 5

使用mongoengine和djongo进行连接。在settings.py文件中进行以下更改

country1, country2, country3 = input("Write up to three comma-separated countries for which you want to extract data: ").split(",")

Answer 6

使用djongo连接到您的mongodb：在venv上使用这些版本（如果要使用虚拟env）：

dataclasses==0.1

Django==2.0

djongo==1.2.30

pymongo==3.2

pytz==2018.5

sqlparse==0.2.3

并遵循以下步骤：Connect MongoDB to Django (using djongo)

将Mongodb与Django连接

6 个答案: