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django 2.0 xadmin 错误集锦
2018-03-26 10:39:18 Snail0Li 阅读数 5188更多
1、django2.0把from django.core.urlresolvers修改成了django.urls
报错如下：
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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'
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解决方法：
修改D:\Envs\django-xadmin\lib\site-packages\xadmin-0.6.1-py3.6.egg\xadmin\models.py 文件
把from django.core.urlresolvers import NoReverseMatch, reverse 修改为：
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from django.urls import NoReverseMatch, reverse
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2、django2.0中需要给外键ForeignKey指定on_delete参数
报错如下：
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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'
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解决方法：
把content_type = models.ForeignKey(ContentType)修改为：
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content_type = models.ForeignKey(ContentType,on_delete=models.CASCADE)
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3、 django2.0 forms表单初始化只需要一个参数
报错如下：
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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
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解决方法：
把forms.Field.__init__(self, required, widget, label, initial, help_text, *args, **kwargs) 修改成：
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forms.Field.__init__(self)
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4、 导入QUERY_TERMS报错
报错如下：
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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'
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解决方法：
把
from django.db.models.sql.query import LOOKUP_SEP, QUERY_TERMS
修改为：
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from django.db.models.sql.query import LOOKUP_SEP
from django.db.models.sql.constants import QUERY_TERMS
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5、Settings缺少MIDDLEWARE_CLASSES属性，django2.0把MIDDLEWARE_ClASSES改成MIDDLEWARE
报错如下：
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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'
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把
if settings.LANGUAGES and 'django.middleware.locale.LocaleMiddleware' in settings.MIDDLEWARE_ClASSES:
修改为：
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if settings.LANGUAGES and 'django.middleware.locale.LocaleMiddleware' in settings.MIDDLEWARE:
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6、 django-formtools导入失败，需要更新django-formtools
报错如下：
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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'
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卸载django-formtools
pip uninstall django-formtools
重新安装新版本的django-formtools
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pip install django-formtools==2.1
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