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<p>我一辈子都搞不清问题是什么。救命啊!</p>
<p>我试图扩展管理视图(使用xadmin应用程序),包括一个图表</p>
<p>问题开始出现时添加了:</p>
<p><strong>管理员</strong></p>
<pre><code>from xadmin import views
from .models import DGISummary
...
@xadmin.sites.register(views.website.IndexView)
class MainDashboard(object):
widgets = [
[
{
"type": "chart",
"model": "dgisummary",
"chart": "reg_members",
"params":
{
"_p_date__gte": "2017-01-01",
"p": 1,
"_p_date__lt": "2017-12-01"
}
},
],
]
</code></pre>
<p><strong>型号</strong></p>
<pre><code>@python_2_unicode_compatible
class DGISummary(models.Model):
quarter = models.CharField(max_length=2,)
reg_members = models.IntegerField()
sub_received = models.IntegerField()
...
class Meta:
verbose_name = u"Summary"
verbose_name_plural = verbose_name
def __str__(self):
return self.quarter
</code></pre>
<p>以及<strong>回溯</p>
<pre><code>System check identified no issues (0 silenced).
February 20, 2018 - 15:38:35
Django version 1.11.10, using settings 'csa_portal.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
ERROR:root:No installed app with label 'app'.
Traceback (most recent call last):
File "C:/../apps\xadmin\views\dashboard.py", line 563, in get_widgets
ws.<a href="https://www.cnpython.com/list/append" class="inner-link">append</a>(self.get_widget(widget))
File "C:/../apps\xadmin\views\base.py", line 78, in method
return filter_chain(filters, len(filters) - 1, _inner_method, *args, **kwargs)
File "C:/../apps\xadmin\views\base.py", line 47, in filter_chain
return func()
File "C:/../apps\xadmin\views\base.py", line 72, in _inner_method
return func(self, *args, **kwargs)
File "C:/../apps\xadmin\views\dashboard.py", line 517, in get_widget
wid_instance = widget_with_perm(self, data or widget.get_value())
File "C:/../apps\xadmin\views\dashboard.py", line 325, in __init__
super(ModelBaseWidget, self).__init__(dashboard, data)
File "C:/../apps\xadmin\views\dashboard.py", line 200, in __init__
if not self.is_valid():
File "C:\Python27\lib\site-packages\django\forms\forms.py", line 183, in is_valid
return self.is_bound and not self.errors
File "C:\Python27\lib\site-packages\django\forms\forms.py", line 175, in errors
self.full_clean()
File "C:\Python27\lib\site-packages\django\forms\forms.py", line 384, in full_clean
self._clean_fields()
File "C:\Python27\lib\site-packages\django\forms\forms.py", line 402, in _clean_fields
value = field.clean(value)
File "C:\Python27\lib\site-packages\django\forms\fields.py", line 160, in clean
value = self.to_python(value)
File "C:/../apps\xadmin\views\dashboard.py", line 301, in to_python
return apps.get_model(app_label, model_name)
File "C:\Python27\lib\site-packages\django\apps\registry.py", line 200, in get_model
app_config = self.get_app_config(app_label)
File "C:\Python27\lib\site-packages\django\apps\registry.py", line 156, in get_app_config
raise LookupError(message)
LookupError: No installed app with label 'app'.
</code></pre>
<p>奇怪的是,有一个应用程序的演示,我的代码是基于这个。其中包括:</p>
<pre><code>class MainDashboard(object):
widgets = [
[
{
"type": "html",
"title": "Test Widget",
"content": "<h3> Welcome to Xadmin! </h3><p>Join Online Group: <br/>QQ Qun : 282936295</p>"
},
{
"type": "chart",
"model": "app.accessrecord",
"chart": "user_count",
"params":
{
"_p_date__gte": "2013-01-08",
"p": 1,
"_p_date__lt": "2013-01-29"
}
},
</code></pre>
<p>不知道这是怎么回事。任何指点都将不胜感激。</p>
<p><strong>编辑</strong></p>
<p>根据请求,已安装的应用:</p>
<pre><code>INSTALLED_APPS = [
'admin_bootstrap',
'survey',
'xadmin',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'dashing',
'formtools',
'crispy_forms',
'reversion',
]
</code></pre>