Django2.0 應用 Xadmin 常見報錯及解決辦法
阿新 • • 發佈:2019-02-05
1、django2.0把from django.core.urlresolvers修改成了django.urls
報錯如下:
File "D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\models.py", line 8, in <module> from django.core.urlresolvers import NoReverseMatch, reverse ModuleNotFoundError: No module named 'django.core.urlresolvers'
解決方法:
修改D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\models.py 檔案
把from django.core.urlresolvers import NoReverseMatch, reverse 修改為:
from django.urls import NoReverseMatch, reverse
2、django2.0中需要給外來鍵ForeignKey指定on_delete引數
報錯如下:
File "D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\models.py", line 45, in <module> class Bookmark(models.Model): File "D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\models.py", line 49, in Bookmark content_type = models.ForeignKey(ContentType) TypeError: __init__() missing 1 required positional argument: 'on_delete'
解決方法:
把content_type = models.ForeignKey(ContentType)修改為:
content_type = models.ForeignKey(ContentType,on_delete=models.CASCADE)
3、 django2.0 forms表單初始化只需要一個引數
報錯如下:
model = ModelChoiceField(label=_(u'Target Model'), widget=exwidgets.AdminSelectWidget) File "D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\views\dashboard.py", line 284, in __init__ forms.Field.__init__(self, required, widget, label, initial, help_text, *args, **kwargs) TypeError: __init__() takes 1 positional argument but 6 were given
解決方法:
把forms.Field.__init__(self, required, widget, label, initial, help_text, *args, **kwargs) 修改成:
forms.Field.__init__(self)
4、 匯入QUERY_TERMS報錯
報錯如下:
File "D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\plugins\filters.py", line 10, in <module>
from django.db.models.sql.query import LOOKUP_SEP, QUERY_TERMS
ImportError: cannot import name 'QUERY_TERMS'
解決方法:
把
from django.db.models.sql.query import LOOKUP_SEP, QUERY_TERMS
修改為
from django.db.models.sql.query import LOOKUP_SEP
from django.db.models.sql.constants import QUERY_TERMS
5、Settings缺少MIDDLEWARE_CLASSES屬性,django2.0把MIDDLEWARE_ClASSES改成MIDDLEWARE
報錯如下:
File "D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\plugins\language.py", line 24, in <module>
if settings.LANGUAGES and 'django.middleware.locale.LocaleMiddleware' in settings.MIDDLEWARE_CLASSES:
File "D:\Envs\django-xadmin\lib\site-packages\django\conf\__init__.py", line 57, in __getattr__
val = getattr(self._wrapped, name)
AttributeError: 'Settings' object has no attribute 'MIDDLEWARE_CLASSES'
解決辦法:
把
if settings.LANGUAGES and 'django.middleware.locale.LocaleMiddleware' in settings.MIDDLEWARE_ClASSES:
修改為:
if settings.LANGUAGES and 'django.middleware.locale.LocaleMiddleware' in settings.MIDDLEWARE:
6、 django-formtools匯入失敗,需要更新django-formtools
報錯如下:
File "C:\Users\laoyan\Desktop\xadmin-django2\xadmin-django2\demo_app\..\xadmin\plugins\wizard.py", line 12, in <module>
from django.contrib.formtools.wizard.storage import get_storage
ModuleNotFoundError: No module named 'django.contrib.formtools'
解決辦法:
解除安裝django-formtools
pip uninstall django-formtools
重新安裝新版本的django-formtools
pip install django-formtools