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    by_natural_key‘_小龙狗的博客:AttributeError: ‘Manager‘ o

    作者:[db:作者] 时间:2021-06-23 18:15


    问题描述


    E:\SweetYaya\MyProj03>python manage.py createsuperuser
    Identifier: 12
    Traceback (most recent call last):
      File "manage.py", line 22, in <module>
        main()
      File "manage.py", line 18, in main
        execute_from_command_line(sys.argv)
      File "D:\Program Files\Python36\lib\site-packages\django\core\management\__init__.py", line 419, in execute_from_command_line
        utility.execute()
      File "D:\Program Files\Python36\lib\site-packages\django\core\management\__init__.py", line 413, in execute
        self.fetch_command(subcommand).run_from_argv(self.argv)
      File "D:\Program Files\Python36\lib\site-packages\django\core\management\base.py", line 354, in run_from_argv
        self.execute(*args, **cmd_options)
      File "D:\Program Files\Python36\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 79, in execute
        return super().execute(*args, **options)
      File "D:\Program Files\Python36\lib\site-packages\django\core\management\base.py", line 398, in execute
        output = self.handle(*args, **options)
      File "D:\Program Files\Python36\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 113, in handle
        error_msg = self._validate_username(username, verbose_field_name, database)
      File "D:\Program Files\Python36\lib\site-packages\django\contrib\auth\management\commands\createsuperuser.py", line 234, in _validate_username
        self.UserModel._default_manager.db_manager(database).get_by_natural_key(username)
    AttributeError: 'Manager' object has no attribute 'get_by_natural_key'
    

    解决办法


    在定义的模型中添加

    class SysUsers(models.Model):
        
    	...
    	# 添加如下代码
        objects = UserManager()
    	
    	...
    
    下一篇:没有了