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<p>我可以用SQLite数据库运行django1.11。但是MSSQL服务器出现错误。在</p>
<p>除了设置.py我没有修改任何文件。在</p>
<p><strong><em>显示配置错误:不支持Django 1.11。</em></strong><br/>
以下是我的配置:
</p><h3><strong>设置.py</strong></h3>
<pre><code>DATABASES = {
'default': {
'ENGINE': 'django_pyodbc',
'HOST': '127.0.0.1',
'NAME': 'demo2016',
'USER': 'sa',
'PASSWORD': '',
'PORT': '',
'OPTIONS': {
'driver': 'ODBC Driver 13 for SQL Server',
},
}
}
</code></pre>
<p><strong>在命令提示符中:</strong></p>
^{pr2}$
<p>引擎应该是什么:我有零钱</p>
<blockquote>
<p>'ENGINE': 'django_pyodbc' to 'ENGINE': 'sqlserver'</p>
</blockquote>
<p>在那之后它显示出来了</p>
<pre><code>django.core.exceptions.ImproperlyConfigured: 'sqlserver' isn't an available database backend.
Try using 'django.db.backends.XXX', where XXX is one of:
'mysql', 'oracle', 'postgresql', 'sqlite3'
Error was: No module named 'sqlserver'
</code></pre>
<p>之后,我尝试安装sqlserver</p>
<pre><code>C:\Windows\system32>pip install sqlserver
Collecting sqlserver
Could not find a version that satisfies the requirement sqlserver (from versions: )
No matching distribution found for sqlserver
</code></pre>
<p><strong><em>根据@Anusha Prashanth回答</em></strong><br/></p>
<p><strong>方法1:</strong>我试图更改<strong>数据库->;“引擎”:“sqlserver\u ado”</strong></p>
<p><strong>结果:</strong></p>
<pre><code>C:\Users\Vitriv-Desktop\Desktop\sqldjango>python manage.py migrate
Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\__init__.py", line 364, in execute_from_command_line
utility.execute()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\__init__.py", line 338, in execute
django.setup()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\apps\registry.py", line 108, in populate
app_config.import_models()
File "C:\Users\Vitriv-Desktop\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\Vitriv-Desktop\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 994, in _gcd_import
File "<frozen importlib._bootstrap>", line 971, in _find_and_load
File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "C:\Users\Vitriv-Desktop\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\Vitriv-Desktop\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\Vitriv-Desktop\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\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\models\base.py", line 325, in add_to_class
value.contribute_to_class(cls, name)
File "C:\Users\Vitriv-Desktop\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\Vitriv-Desktop\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\Vitriv-Desktop\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\Vitriv-Desktop\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\Vitriv-Desktop\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
</code></pre>
<p><strong>方法2:</strong>我试图更改<strong>数据库->;“引擎”:“sql_服务器.pyodbc'</strong></p>
<p><strong>结果:</strong></p>
<p>来自<strong>模型.py</strong></p>
<pre><code>import os
import mimetypes
from django.utils.translation import gettext as _
from django.conf import settings
from django.contrib.auth.models import User
from django.db import models
GENRE_CHOICES = (
('1', 'Rock'),
('2', 'Jazz/Blues'),
('3', 'Blues'),
)
def get_upload_path(dirname, obj, filename):
return os.path.join("audiotracks", dirname, obj.user.username, filename)
def get_audio_upload_path(obj, filename):
return get_upload_path("audio_files", obj, filename)
class Genre(models.Model):
genre_choices = models.CharField(max_length=1, choices=GENRE_CHOICES)
slug = models.SlugField(max_length = 40, unique = True) #so as to have a dedicated page for each category
description = models.TextField()
def __unicode__(self):
return self.title
def get_absolute_url(self):
return "/genres/%s/" % self.slug
class AudioTrack(models.Model):
class Meta:
abstract = True
user = models.ForeignKey(User,
related_name = "tracks",
blank = True,
null = True
)
added_on = models.DateTimeField(auto_now_add=True, null = True)
updated_on = models.DateTimeField(auto_now=True, null = True)
audio_file = models.FileField(_("Audio file"), upload_to=get_audio_upload_path)
title = models.CharField(_("Title"), max_length="200", null=True)
description = models.TextField(_("Description"), null=True, blank=True)
slug = models.SlugField(max_length = 40, unique = True) #so as to have a dedicated page for each category
genres = models.ManyToManyField(Genre)
def __unicode__(self):
return "Track '%s' uploaded by '%s'" % (self.title, self.user.username)
@property
def mimetype(self):
if not hasattr(self, '_mimetype'):
self._mimetype = mimetypes.guess_type(self.audio_file.path)[0]
return self._mimetype
@property
def filetype(self):
if '/' in self.mimetype:
type_names = {'mpeg': 'MP3', 'ogg': 'Ogg Vorbis', 'wave':'wav', 'FLAC':'FLA'}
filetype = self.mimetype.split('/')[1]
return type_names.get(filetype, filetype)
else:
return self.mimetype
@models.permalink
def get_absolute_url(self):
# ('tracks.views.track_detail', [self.user.username, self.slug])
return "/%s/%s/" %(self.genre, self.slug)
if hasattr(settings, 'AUDIOTRACKS_MODEL'):
app_name, model_name = settings.AUDIOTRACKS_MODEL.split('.')
Track = models.get_model(app_name, model_name)
else:
class Track(AudioTrack):
pass
</code></pre>
<p><strong>在命令提示符中:</strong><br/></p>
<pre><code>C:\Users\Vitriv-Desktop\Desktop\mydjango>python manage.py runserver
Performing system checks...
System check identified no issues (0 silenced).
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x040AE108>
Traceback (most recent call last):
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 213, in ensure_connection
self.connect()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 189, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\sql_server\pyodbc\base.py", line 309, in get_new_connection
timeout=timeout)
pyodbc.OperationalError: ('08001', '[08001] [Microsoft][ODBC Driver 13 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [5]. (5) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 13 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 13 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 13 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (5)')
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\utils\autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\commands\runserver.py", line 128, in inner_run
self.check_migrations()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\core\management\base.py", line 422, in check_migrations
executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\executor.py", line 20, in __init__
self.loader = MigrationLoader(self.connection)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\loader.py", line 52, in __init__
self.build_graph()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\loader.py", line 209, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\recorder.py", line 65, in applied_migrations
self.ensure_schema()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\migrations\recorder.py", line 52, in ensure_schema
if self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()):
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 254, in cursor
return self._cursor()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 229, in _cursor
self.ensure_connection()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 213, in ensure_connection
self.connect()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\utils.py", line 94, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\utils\six.py", line 685, in reraise
raise value.with_traceback(tb)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 213, in ensure_connection
self.connect()
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\django\db\backends\base\base.py", line 189, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\Vitriv-Desktop\AppData\Local\Programs\Python\Python36-32\lib\site-packages\sql_server\pyodbc\base.py", line 309, in get_new_connection
timeout=timeout)
django.db.utils.OperationalError: ('08001', '[08001] [Microsoft][ODBC Driver 13 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [5]. (5) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 13 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 13 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 13 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (5)')
</code></pre>