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[英]Establishing connection to MS SQL Server 2014 with django-mssql-1.6
[英]Django app failed to connect with ms sql server 2014
我是django的新手,因為遷移初學者無法從錯誤消息中找到有價值的信息,所以一直困擾着遷移過程。 需要有關遷移和與應用程序進程進行數據庫連接的幫助。
點列表
Django (1.11.2)
django-mssql (1.8)
mysqlclient (1.3.10)
pip (9.0.1)
pytz (2017.2)
setuptools (28.8.0)
wheel (0.29.0)
Python 3.6.1
要安裝用於MS sql服務器的Python軟件包管理,請使用bellow命令
pip install django-mssql
我的應用程式模型是
from django.db import models
# Create your models here.
class Video(models.Model):
title=models.CharField("Title",max_length=250)
embed_code=models.TextField("Embed code")
我的Django應用程序數據庫設置如下
DATABASES = {
'default': {
'NAME': 'djangolife',# db name
'ENGINE': 'sqlserver_ado',
'HOST': 'DESKTOP-SVHDHF8\\MSSQLSERVER2014',#Sql server name
'USER': 'sa',
'PASSWORD': 'sa123',
}
}
遷移命令
python manage.py makemigrations
執行上述遷移命令后,出現以下錯誤
Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\__init__.py", line 363, in execute_from_command_line
utility.execute()
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\__init__.py", line 337, in execute
django.setup()
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\apps\registry.py", line 108, in populate
app_config.import_models()
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\apps\config.py", line 202, in import_models
self.models_module = import_module(models_module_name)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 978, in _gcd_import
File "<frozen importlib._bootstrap>", line 961, in _find_and_load
File "<frozen importlib._bootstrap>", line 950, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 655, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\contrib\auth\models.py", line 4, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\contrib\auth\base_user.py", line 52, in <module>
class AbstractBaseUser(models.Model):
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\models\base.py", line 124, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\models\base.py", line 330, in add_to_class
value.contribute_to_class(cls, name)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\models\options.py", line 214, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\__init__.py", line 33, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\utils.py", line 212, in __getitem__
conn = backend.DatabaseWrapper(db, alias)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\sqlserver_ado\base.py", line 184, in __init__
super(DatabaseWrapper, self).__init__(*args, **kwargs)
File "C:\Users\shamim\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 96, in __init__
self.client = self.client_class(self)
TypeError: 'NoneType' object is not callable
我有同樣的問題,我發現原因是django-mssql支持Django 1.8,但您使用的是Django 1.11。 請降級您的Django版本,或等到支持最新版本。
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