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<p>如果我为一个特定的模型创建一个新条目,它不会出现在django管理器中。在</p>
<p>代理模式造成了麻烦。在</p>
<pre><code># catalog.models
class Content(models.Model):
class Meta:
abstract = True
BUNDESLAND_CHOICES = (
('bw', 'Baden-Württemberg'),
('by', 'Bayern'),
('be', 'Berlin'),
('bb', 'Brandenburg'),
('hb', 'Bremen'),
('hh', 'Hamburg'),
('he', 'Hessen'),
('mv', 'Mecklenburg-Vorpommern'),
('ni', 'Niedersachsen'),
('nw', 'Nordrhein-Westfalen'),
('rp', 'Rheinland-Pfalz'),
('sl', 'Saarland'),
('sn', 'Sachsen'),
('st', 'Sachsen-Anhalt'),
('sh', 'Schleswig-Holstein'),
('th', 'Thüringen'),
)
name = models.CharField(max_length=255, verbose_name='Agentur')
address = models.CharField(max_length=255, verbose_name='Straße')
state = models.CharField(max_length=2, choices=BUNDESLAND_CHOICES, verbose_name='Bundesland')
city = models.CharField(max_length=255, verbose_name='Stadt')
zip = models.CharField(max_length=10, verbose_name='PLZ')
phone = models.CharField(max_length=40, blank=True, verbose_name='Telefonnr.')
fax = models.CharField(max_length=40, blank=True, verbose_name='Fax')
email = models.EmailField(verbose_name='E-Mail', help_text='Offizielle E-Mail')
url = models.URLField(verbose_name='URL')
owner = models.CharField(max_length=255, verbose_name='Besitzer')
description = models.TextField(verbose_name='Beschreibung')
category = models.ManyToManyField(Category, verbose_name='Kategorie')
user = models.ForeignKey(User, verbose_name='Benutzer', null=True, blank=True)
slug = models.SlugField(max_length=80, blank=True)
identity = models.CharField(max_length=64, unique=True, blank=True)
identity_used = models.BooleanField(default=False)
show = models.BooleanField(default=False, verbose_name='Anzeigen')
tp = models.DateTimeField(auto_now_add=True)
# agency.models
class AgencyActiveManager(models.Manager):
def get_query_set(self):
return super(AgencyActiveManager,self).get_query_set().filter(show=True)
class Agency(Content):
clients = models.TextField(verbose_name='Klienten')
active = AgencyActiveManager()
objects = models.Manager()
def __unicode__(self):
return self.name
def save(self, **kwargs):
if not self.identity:
self.identity = hashlib.sha256('%s:%s' %(get_word(),datetime.datetime.now())).hexdigest()
if not self.slug:
self.slug = slugify(self.name, instance=self)
super(Agency, self).save(**kwargs)
# agency.admin
from django.contrib import admin
from agency.models import Agency
admin.site.register(Agency)
</code></pre>
<p>我在管理员中创建了一个新的代理条目并保存了它。
通过pythonshell进行查询表明save有效</p>
^{pr2}$
<p>管理页面显示:
'0代理'</p>
<p>如果我尝试手动调用url/admin/agency/agency/1/404,说明没有primarykey为1的agency对象</p>
<blockquote>
<p>Page not found (404)
Request Method: GET
Request URL: <a href="http://localhost:8000/admin/agency/agency/1/" rel="nofollow noreferrer">http://localhost:8000/admin/agency/agency/1/</a></p>
<p>Das agency-Objekt mit dem Primärschlüssel u'1' ist nicht vorhanden.</p>
<p>You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.</p>
</blockquote>
<p>但是Python壳说:</p>
<pre><code>In [16]: Agency.objects.all()[0].pk
Out[16]: 1
</code></pre>
<p>我是否遗漏了一些非常明显的东西?在</p>
<p>我的猜测是它和抽象模型有关系,但我不知道是什么。在</p>