对不起这类愚蠢的问题。我是Django的菜鸟。我正在关注Django官方教程并且在 python3 manage.py syncdb 的阶段我收到了这个巨大的错误
Creating tables ...
Creating table django_admin_log
Creating table auth_permission
Creating table auth_group_permissions
Creating table auth_group
Creating table auth_user_groups
Creating table auth_user_user_permissions
Creating table auth_user
Creating table django_content_type
Creating table django_session
Traceback (most recent call last):
File "/usr/local/lib/python3.3/dist-packages/django/contrib/contenttypes/models.py", line 39, in get_for_model
ct = self._get_from_cache(opts)
File "/usr/local/lib/python3.3/dist-packages/django/contrib/contenttypes/models.py", line 29, in _get_from_cache
return self.__class__._cache[self.db][key]
KeyError: 'default'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.3/dist-packages/django/db/backends/util.py", line 46, in execute
return self.cursor.execute(sql, params)
File "/usr/local/lib/python3.3/dist-packages/django/db/backends/mysql/base.py", line 124, in execute
return self.cursor.execute(query, args)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 184, in execute
self.errorhandler(self, exc, value)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/connections.py", line 37, in defaulterrorhandler
raise errorvalue
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 171, in execute
r = self._query(query)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 330, in _query
rowcount = self._do_query(q)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 294, in _do_query
db.query(q)
_mysql_exceptions.ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '%s AND `django_content_type`.`app_label` = %s )' at line 1")
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.3/dist-packages/django/core/management/__init__.py", line 397, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.3/dist-packages/django/core/management/__init__.py", line 390, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.3/dist-packages/django/core/management/base.py", line 240, in run_from_argv
self.execute(*args, **options.__dict__)
File "/usr/local/lib/python3.3/dist-packages/django/core/management/base.py", line 283, in execute
output = self.handle(*args, **options)
File "/usr/local/lib/python3.3/dist-packages/django/core/management/base.py", line 413, in handle
return self.handle_noargs(**options)
File "/usr/local/lib/python3.3/dist-packages/django/core/management/commands/syncdb.py", line 112, in handle_noargs
emit_post_sync_signal(created_models, verbosity, interactive, db)
File "/usr/local/lib/python3.3/dist-packages/django/core/management/sql.py", line 216, in emit_post_sync_signal
interactive=interactive, db=db)
File "/usr/local/lib/python3.3/dist-packages/django/dispatch/dispatcher.py", line 182, in send
response = receiver(signal=self, sender=sender, **named)
File "/usr/local/lib/python3.3/dist-packages/django/contrib/auth/management/__init__.py", line 82, in create_permissions
ctype = ContentType.objects.db_manager(db).get_for_model(klass)
File "/usr/local/lib/python3.3/dist-packages/django/contrib/contenttypes/models.py", line 47, in get_for_model
defaults = {'name': smart_text(opts.verbose_name_raw)},
File "/usr/local/lib/python3.3/dist-packages/django/db/models/manager.py", line 154, in get_or_create
return self.get_queryset().get_or_create(**kwargs)
File "/usr/local/lib/python3.3/dist-packages/django/db/models/query.py", line 373, in get_or_create
return self.get(**lookup), False
File "/usr/local/lib/python3.3/dist-packages/django/db/models/query.py", line 301, in get
num = len(clone)
File "/usr/local/lib/python3.3/dist-packages/django/db/models/query.py", line 77, in __len__
self._fetch_all()
File "/usr/local/lib/python3.3/dist-packages/django/db/models/query.py", line 856, in _fetch_all
self._result_cache = list(self.iterator())
File "/usr/local/lib/python3.3/dist-packages/django/db/models/query.py", line 220, in iterator
for row in compiler.results_iter():
File "/usr/local/lib/python3.3/dist-packages/django/db/models/sql/compiler.py", line 711, in results_iter
for rows in self.execute_sql(MULTI):
File "/usr/local/lib/python3.3/dist-packages/django/db/models/sql/compiler.py", line 777, in execute_sql
cursor.execute(sql, params)
File "/usr/local/lib/python3.3/dist-packages/django/db/backends/util.py", line 46, in execute
return self.cursor.execute(sql, params)
File "/usr/local/lib/python3.3/dist-packages/django/db/utils.py", line 99, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/usr/local/lib/python3.3/dist-packages/django/utils/six.py", line 328, in reraise
raise value.with_traceback(tb)
File "/usr/local/lib/python3.3/dist-packages/django/db/backends/util.py", line 46, in execute
return self.cursor.execute(sql, params)
File "/usr/local/lib/python3.3/dist-packages/django/db/backends/mysql/base.py", line 124, in execute
return self.cursor.execute(query, args)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 184, in execute
self.errorhandler(self, exc, value)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/connections.py", line 37, in defaulterrorhandler
raise errorvalue
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 171, in execute
r = self._query(query)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 330, in _query
rowcount = self._do_query(q)
File "/usr/local/lib/python3.3/dist-packages/MySQL_python-1.2.3-py3.3-linux-x86_64.egg/MySQLdb/cursors.py", line 294, in _do_query
db.query(q)
django.db.utils.ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '%s AND `django_content_type`.`app_label` = %s )' at line 1")
我已经成功安装了python3，mysql驱动程序。使用ubuntu。 这是我的setings.py
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME' : 'blog',
'USER' : 'root',
'PASSWORD' : 'hellyeah',
'HOST' : '',
'PORT' : ''
}
}
如果有人教我错了，那会很棒。
答案 0 :(得分：0)
这是因为你正在使用带有django的Python 3。目前没有可用的驱动程序。既然你开始使用django和Python，为什么不使用Sqlite，它有一个很好的Python3驱动程序，并且足以满足你的学习体验。
您也可以尝试使用Postgres，但是除了Sqlite之外还有很多其他设置。