我正在尝试迁移我的自定义用户模型,并运行 makemigrations 命令为新模型进行迁移。但是当我运行 migrate 命令时它会抛出这个错误:
<块引用>conn = _connect(dsn, connection_factory=connection_factory, **kwasync) django.db.utils.OperationalError
追溯:
(venv_ruling) C:\Users\enosh\venv_ruling\ruling>python manage.py migrate
Traceback (most recent call last):
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 219, in ensure_connection
self.connect()
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 200, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\postgresql\base.py", line 187, in get_new_connection
connection = Database.connect(**conn_params)
File "C:\Users\enosh\venv_ruling\lib\site-packages\psycopg2\__init__.py", line 127, in connect
conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
psycopg2.OperationalError
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\enosh\venv_ruling\ruling\manage.py", line 22, in <module>
main()
File "C:\Users\enosh\venv_ruling\ruling\manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\__init__.py", line 419, in execute_from_command_line
utility.execute()
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\__init__.py", line 413, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\base.py", line 354, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\base.py", line 398, in execute
output = self.handle(*args, **options)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\base.py", line 89, in wrapped
res = handle_func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\commands\migrate.py", line 75, in handle
self.check(databases=[database])
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\management\base.py", line 419, in check
all_issues = checks.run_checks(
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\checks\registry.py", line 76, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\core\checks\model_checks.py", line 34, in check_all_models
errors.extend(model.check(**kwargs))
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\models\base.py", line 1290, in check
*cls._check_indexes(databases),
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\models\base.py", line 1680, in _check_indexes
connection.features.supports_covering_indexes or
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\postgresql\features.py", line 93, in is_postgresql_11
return self.connection.pg_version >= 110000
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\postgresql\base.py", line 329, in pg_version
with self.temporary_connection():
File "C:\Users\enosh\AppData\Local\Programs\Python\Python39\lib\contextlib.py", line 117, in __enter__
return next(self.gen)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 603, in temporary_connection
with self.cursor() as cursor:
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 259, in cursor
return self._cursor()
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 235, in _cursor
self.ensure_connection()
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 219, in ensure_connection
self.connect()
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 219, in ensure_connection
self.connect()
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\base\base.py", line 200, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\enosh\venv_ruling\lib\site-packages\django\db\backends\postgresql\base.py", line 187, in get_new_connection
connection = Database.connect(**conn_params)
File "C:\Users\enosh\venv_ruling\lib\site-packages\psycopg2\__init__.py", line 127, in connect
conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
django.db.utils.OperationalError
models.py
from django.contrib.auth.models import AbstractUser
class CustomUser(AbstractUser):
"""extend usermodel"""
class Meta:
verbose_name_plural = 'CustomUser'
settings.py
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'rulings',
'USER': 'xxxxxxx',
'PASSWORD': 'xxxxxxx',
'HOST': '',
'PORT': '',
}
}
AUTH_USER_MODEL = 'accounts.CustomUser'
postgresql 的数据库是空的。(ver.12.6)
我刚刚在这个问题中提到了用户模型和设置,但如果需要更多代码,请告诉我我会用这些信息更新我的问题。谢谢