Python 将数据库添加到夹层项目会产生;sqlite3.2错误:没有这样的表:django_site“;
我正在尝试将第三方数据库添加到夹层4.2.3项目中(根据Python 将数据库添加到夹层项目会产生;sqlite3.2错误:没有这样的表:django_site“;,python,django,mezzanine,django-database,Python,Django,Mezzanine,Django Database,我正在尝试将第三方数据库添加到夹层4.2.3项目中(根据requirements.txt,它使用Django 1.10.8)。它将被一个名为food\u crud的应用程序使用。但是,它会产生以下错误:sqlite3.OperationalError:没有这样的表:django_site 我读过的大多数解决方案都是makemigrations和migrate。一些人说要将django.contrib.sites添加到已安装的应用程序中。两种我都试过了 项目目录布局: 180214 food -
requirements.txt
,它使用Django 1.10.8)。它将被一个名为food\u crud
的应用程序使用。但是,它会产生以下错误:sqlite3.OperationalError:没有这样的表:django_site
我读过的大多数解决方案都是makemigrations
和migrate
。一些人说要将django.contrib.sites
添加到已安装的应用程序中
。两种我都试过了
项目目录布局:
180214 food
- env_food # virtualenv
- food
__init__.py
settings.py
router.py
urls.py
views.py
wsgi.py
- food_crud
- migrations
__init__.py
admin.py
models.py
tests.py
views.py
- static
...
- theme
...
__init__.py
manage.py
movie_data.sql
food\u crud
应用程序位于INSTALLED\u APPS
中<代码>设置.py还包含数据库详细信息:
DATABASES = {
"default": {
"ENGINE": "django.db.backends.postgresql_psycopg2",
"NAME": "db_nate",
"USER": "alex",
"PASSWORD": "oh no you did not use password did you",
"HOST": "localhost",
"PORT": "",
},
"movies": {
"ENGINE": "django.db.backends.sqlite3",
"NAME": "movie_data.sql",
}
}
DATABASE_ROUTERS = ['food.router.FoodRouter']
这是与settings.py
位于同一文件夹中的router.py
:
from food_crud import models
class FoodRouter(object):
def db_for_read(self, model, **hints):
model = models.Movies
if model._meta.app_label == 'food_crud':
return 'movies'
return None
from django.db import models
class Movies(models.Model):
id = models.AutoField(primary_key=True)
adult = models.TextField()
original_language = models.TextField()
original_title = models.TextField()
title = models.TextField()
overview = models.TextField()
release_date = models.DateField()
genres = models.TextField()
production_countries = models.TextField()
videos = models.TextField()
images = models.TextField()
class Meta:
app_label = "food_crud"
db_table = "movies"
managed = False
from django.views import generic
from .models import Movies
class MoviesListView(generic.ListView):
model = Movies
template_name = r'"/food/theme/templates/food_crud/food_crud.html"'
...
from . import views
from food_crud import views as food_crud_views
urlpatterns += [
url("^$", views.blog_post_list_index, name="home"),
url('food/', food_crud_views.MoviesListView.as_view(), name='food_list'),
...
models.py
:
from food_crud import models
class FoodRouter(object):
def db_for_read(self, model, **hints):
model = models.Movies
if model._meta.app_label == 'food_crud':
return 'movies'
return None
from django.db import models
class Movies(models.Model):
id = models.AutoField(primary_key=True)
adult = models.TextField()
original_language = models.TextField()
original_title = models.TextField()
title = models.TextField()
overview = models.TextField()
release_date = models.DateField()
genres = models.TextField()
production_countries = models.TextField()
videos = models.TextField()
images = models.TextField()
class Meta:
app_label = "food_crud"
db_table = "movies"
managed = False
from django.views import generic
from .models import Movies
class MoviesListView(generic.ListView):
model = Movies
template_name = r'"/food/theme/templates/food_crud/food_crud.html"'
...
from . import views
from food_crud import views as food_crud_views
urlpatterns += [
url("^$", views.blog_post_list_index, name="home"),
url('food/', food_crud_views.MoviesListView.as_view(), name='food_list'),
...
views.py
:
from food_crud import models
class FoodRouter(object):
def db_for_read(self, model, **hints):
model = models.Movies
if model._meta.app_label == 'food_crud':
return 'movies'
return None
from django.db import models
class Movies(models.Model):
id = models.AutoField(primary_key=True)
adult = models.TextField()
original_language = models.TextField()
original_title = models.TextField()
title = models.TextField()
overview = models.TextField()
release_date = models.DateField()
genres = models.TextField()
production_countries = models.TextField()
videos = models.TextField()
images = models.TextField()
class Meta:
app_label = "food_crud"
db_table = "movies"
managed = False
from django.views import generic
from .models import Movies
class MoviesListView(generic.ListView):
model = Movies
template_name = r'"/food/theme/templates/food_crud/food_crud.html"'
...
from . import views
from food_crud import views as food_crud_views
urlpatterns += [
url("^$", views.blog_post_list_index, name="home"),
url('food/', food_crud_views.MoviesListView.as_view(), name='food_list'),
...
url.py
:
from food_crud import models
class FoodRouter(object):
def db_for_read(self, model, **hints):
model = models.Movies
if model._meta.app_label == 'food_crud':
return 'movies'
return None
from django.db import models
class Movies(models.Model):
id = models.AutoField(primary_key=True)
adult = models.TextField()
original_language = models.TextField()
original_title = models.TextField()
title = models.TextField()
overview = models.TextField()
release_date = models.DateField()
genres = models.TextField()
production_countries = models.TextField()
videos = models.TextField()
images = models.TextField()
class Meta:
app_label = "food_crud"
db_table = "movies"
managed = False
from django.views import generic
from .models import Movies
class MoviesListView(generic.ListView):
model = Movies
template_name = r'"/food/theme/templates/food_crud/food_crud.html"'
...
from . import views
from food_crud import views as food_crud_views
urlpatterns += [
url("^$", views.blog_post_list_index, name="home"),
url('food/', food_crud_views.MoviesListView.as_view(), name='food_list'),
...
回溯:
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\core\handlers\exception.py", line 42, in inner
response = get_response(request)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\core\handlers\base.py", line 249, in _legacy_get_response
response = self._get_response(request)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\core\handlers\base.py", line 178, in _get_response
response = middleware_method(request, callback, callback_args, callback_kwargs)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\mezzanine\pages\middleware.py", line 75, in process_view
for_user=request.user, include_login_required=True)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\mezzanine\pages\managers.py", line 68, in with_ascendants_for_slug
pages_for_user = self.published(**kwargs)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\mezzanine\pages\managers.py", line 24, in published
published = super(PageManager, self).published(for_user=for_user)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\mezzanine\core\managers.py", line 70, in published
Q(status=CONTENT_STATUS_PUBLISHED))
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\manager.py", line 85, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\mezzanine\core\managers.py", line 378, in get_queryset
lookup = {self.__field_name + "__id__exact": current_site_id()}
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\mezzanine\utils\sites.py", line 56, in current_site_id
site = Site.objects.get(domain__iexact=domain)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\manager.py", line 85, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\query.py", line 379, in get
num = len(clone)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\query.py", line 238, in __len__
self._fetch_all()
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\query.py", line 1087, in _fetch_all
self._result_cache = list(self.iterator())
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\query.py", line 54, in __iter__
results = compiler.execute_sql()
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\models\sql\compiler.py", line 835, in execute_sql
cursor.execute(sql, params)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\debug_toolbar\panels\sql\tracking.py", line 164, in execute
return self._record(self.cursor.execute, sql, params)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\debug_toolbar\panels\sql\tracking.py", line 106, in _record
return method(sql, params)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\backends\utils.py", line 79, in execute
return super(CursorDebugWrapper, self).execute(sql, params)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\backends\utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\utils.py", line 94, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\utils\six.py", line 685, in reraise
raise value.with_traceback(tb)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\backends\utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "C:\Users\alex\Desktop\Python\180214~1\food\env_food\lib\site-packages\django\db\backends\sqlite3\base.py", line 337, in execute
return Database.Cursor.execute(self, query, params)
django.db.utils.OperationalError: no such table: django_site
同一个项目目录布局及其各种设置(包括数据库设置)可以很好地用于Django 2.0项目。我在这个夹层项目中复制了它们,但名称经过编辑以适合它。我错过了什么?你的路由器将模型硬编码为电影,这并不奇怪,这意味着它总是与food_crud应用程序匹配。因此,所有数据库请求都被路由到您的sqlite数据库
不要那样做;删除对
model
变量的覆盖。覆盖模型就在那里,因为我提到的Django 2.0项目会因为某种原因抛出位置错误。但我刚刚将其从两个项目中删除,它们现在同样有效。非常感谢你!