我正在使用Django-CMS的Django项目中构建一个相当简单的应用程序,即研究项目。(这是我对项目/应用程序的首次尝试。)它的主要目的是存储各种知识资产(例如,研究人员撰写的文章,书籍等)。
问题是,当我将浏览器指向/ research /时,出现一条错误,提示表’research_journal’不存在(“ no such table”)。
我正在使用带有sqlite3数据库的Djnago 1.6.5。
看python manage.py sql research
收益:
BEGIN;
CREATE TABLE "research_researchbase" (
"id" integer NOT NULL PRIMARY KEY,
"pub_date" datetime NOT NULL,
"authors" varchar(200) NOT NULL,
"year" varchar(25) NOT NULL,
"title" varchar(200) NOT NULL,
"subtitle" varchar(200) NOT NULL,
"image_id" integer NOT NULL REFERENCES "filer_image" ("file_ptr_id"),
"link" varchar(200) NOT NULL
)
;
CREATE TABLE "research_journal" (
"researchbase_ptr_id" integer NOT NULL PRIMARY KEY REFERENCES "research_researchbase" ("id"),
"journal" varchar(200) NOT NULL,
"abstract" text NOT NULL,
"citation" varchar(200) NOT NULL
)
;
CREATE TABLE "research_encyclopedia_chapter" (
"researchbase_ptr_id" integer NOT NULL PRIMARY KEY REFERENCES "research_researchbase" ("id"),
"encyclopedia" varchar(200) NOT NULL,
"publisher" varchar(200) NOT NULL,
"summary" varchar(200) NOT NULL
)
;
CREATE TABLE "research_book" (
"researchbase_ptr_id" integer NOT NULL PRIMARY KEY REFERENCES "research_researchbase" ("id"),
"publisher" varchar(200) NOT NULL,
"summary" varchar(200) NOT NULL
)
;
COMMIT;
我已经跑步python manage.py migrate research
并得到:
/Users/XXX/Documents/repos/sfs/env/lib/python2.7/site-packages/app_data/fields.py:2: DeprecationWarning: django.utils.simplejson is deprecated; use json instead.
from django.utils import simplejson as json
Running migrations for research:
- Nothing to migrate.
- Loading initial data for research.
Installed 0 object(s) from 0 fixture(s)
我已经运行python manage.py syncdb
并获得以下信息:
Syncing...
Creating tables ...
Installing custom SQL ...
Installing indexes ...
Installed 0 object(s) from 0 fixture(s)
Synced:
> djangocms_admin_style
> django.contrib.auth
> django.contrib.contenttypes
> django.contrib.sessions
> django.contrib.admin
> django.contrib.sites
> django.contrib.sitemaps
> django.contrib.staticfiles
> django.contrib.messages
> mptt
> south
> sekizai
> django_select2
> hvad
Not synced (use migrations):
- djangocms_text_ckeditor
- cms
- menus
- djangocms_style
- djangocms_column
- djangocms_file
- djangocms_flash
- djangocms_googlemap
- djangocms_inherit
- djangocms_link
- djangocms_picture
- djangocms_teaser
- djangocms_video
- reversion
- polls
- djangocms_polls
- aldryn_blog
- easy_thumbnails
- filer
- taggit
- research
(use ./manage.py migrate to migrate these)
这是models.py:
from django.db import models
from django.utils import timezone
from filer.fields.image import FilerImageField
import datetime
class ResearchBase(models.Model):
pub_date = models.DateTimeField('date published')
authors = models.CharField(max_length=200)
year = models.CharField(max_length=25)
title = models.CharField(max_length=200)
subtitle = models.CharField(max_length=200, blank=True)
image = FilerImageField()
link = models.CharField(max_length=200, blank=True)
def __unicode__(self):
return self.title
def was_published_recently(self):
return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
class Journal(ResearchBase):
journal = models.CharField(max_length=200)
abstract = models.TextField()
citation = models.CharField(max_length=200)
class Encyclopedia_Chapter(ResearchBase):
encyclopedia = models.CharField(max_length=200)
publisher = models.CharField(max_length=200)
summary = models.CharField(max_length=200)
class Book(ResearchBase):
publisher = models.CharField(max_length=200)
summary = models.CharField(max_length=200)
这是我的views.py(请注意,我正在通过渲染传递两个对象,忽略了我还没有在整个交易中包括Book类的事实):
from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse, Http404
from django.template import RequestContext, loader
from research.models import Journal, Encyclopedia_Chapter, Book
def research_index(request):
latest_journal_list = Journal.objects.order_by('-pub_date')[:5]
latest_chapter_list = Encyclopedia_Chapter.objects.order_by('-pub_date')[:5]
context = {
'latest_journal_list': latest_journal_list,
'latest_chapter_list': latest_chapter_list
}
return render(request, 'research/index.html', context)
def journal_detail(request, journal_id):
journal = get_object_or_404(Journal, pk=journal_id)
return render(request, 'research/journal_detail.html', {'journal': journal})
def chapter_detail(request, chapter_id):
chapter = get_object_or_404(Encyclopedia_Chapter, pk=chapter_id)
return render(request, 'research/chapter_detail.html', {'chapter': chapter})
这是应用程序的url.py:
from django.conf.urls import patterns, url
from research import views
urlpatterns = patterns('',
url(r'^$', views.research_index, name='research'),
url(r'^(?P<journal_id>\d+)/$', views.journal_detail, name='journal_detail'),
url(r'^(?P<chapter_id>\d+)/$', views.chapter_detail, name='chapter_detail'),
)
这是index.html模板:
{% extends 'research/base.html' %}
{% block research_content %}
<div class="container">
<div class="row featurette">
<h3 id="research">Peer-reviewed Journal Articles</h3>
{% if latest_journal_list %}
<ul id="research">
{% for journal in latest_journal_list %}
<li id="research">
<img src="{{ journal.image.url }}" id="research">
<h4>{{ journal.journal }}</h4>
<h5>{{ journal.title }}</h5>
<a href="{% url 'research:journal_detail' journal.id %}">Read More</a>
</li>
{% endfor %}
</ul>
{% else %}
<p>No journals are available.</p>
{% endif %}
</div>
<div class="row featurette">
<h3 id="research">Encyclopedia Chapters</h3>
{% if latest_chapter_list %}
<ul id="research">
{% for chapter in latest_chapter_list %}
<li id="research">
<img src="{{ chapter.image.url }}" id="research">
<h4>{{ chapter.journal }}</h4>
<h5>{{ chapter.title }}</h5>
<a href="{% url 'research:chapter_detail' chapter.id %}">Read More</a>
</li>
{% endfor %}
</ul>
{% else %}
<p>No encyclopedia chapters are available.</p>
{% endif %}
</div>
</div>
{% endblock %}
以防万一,这是我的cms_app.py:
from cms.app_base import CMSApp
from cms.apphook_pool import apphook_pool
from django.utils.translation import ugettext_lazy as _
class ResearchApp(CMSApp):
name = _("Research App")
urls = ["research.urls"]
app_name = "research"
apphook_pool.register(ResearchApp)
有什么想法吗?任何帮助将不胜感激。
python manage.py migrate --run-syncdb
问题内容: 我遵循的是官方Django文档中的第一个应用程序教程,尝试保存通过管理页面进行的某些更改时出现此错误。我对此进行了一些研究,但是我能够找到的可能解决方案(例如迁移数据库)根本行不通。如果您想查看我的代码的某些特定部分,请告诉我。 以下是错误: and the traceback: 问题答案: 我自己碰到了这个问题,它似乎与https://code.djangoproject.com/t
当我想登录或注册时,我为registration AdvUser添加了用户类,或者当我收到错误时,我为createsuperuser添加了用户类: 异常值:没有这样的表:vacancy_list_advuser 文件“/home/alex/dev/python/django/junjob/myvenv/lib/python3.5/site packages/django/db/backends/s
问题内容: 我试图让我的应用程序使用保存布尔值来更改屏幕的方向时保存一些数据。 我已经设置了许多断点,并且在变量视图中得到了布尔值的错误 我不知道为什么要在启动活动时用false值声明它,如果按下按钮将其更改为true。谁能帮我吗? 问题答案: 检查您的Android Studio中的构建变体是否具有 可调试 为真 proguard 被禁用或已被注释掉。
问题内容: 运行时,出现此错误: : 问题答案: 旧的缓存导致了此问题,我第一次无法运行此命令,并且docker-compose已经创建的映像,我从中看不到。 需要从检查,并使用此命令删除所有旧图像,然后再次重建。
我正在尝试用铁轨在条纹中创建一个一次性的单次充电。我得到以下错误: 不过,从照片中可以清楚地看到,令牌在参数中。该令牌来自Stripe.js。 下面是我的控制器中的代码:
试图量化神经网络。我在tenorflow repo目录中运行了以下命令 并得到错误: 错误:跳过“tensorflow/tools/quantization/tools:Quantizaze_graph”:没有这样的包“tensorflow/tools/quantization/tools”:在包路径上找不到生成文件警告:目标模式解析失败。错误:没有这样的包“tensorflow/tools/qu