在database_name中返回database_name =='：memory：'或'mode = memory'TypeError：类型'WindowsPath'的参数不可迭代 [英] return database_name == ':memory:' or 'mode=memory' in database_name TypeError: argument of type 'WindowsPath' is not iterable

问题描述

你好，我是python和django的新手，我正在练习django，但是当我命令python manage.py makemigration和python manage.py migration时，出现标题所示的错误。

Hello am new to python and django and i am practicing django but when i command python manage.py makemigration and python manage.py migrate then i got an error as show in the title. the full error is mentioned below.

寻求帮助，谢谢

C:\Users\Manan\python projects\djangoandmongo\new_Socrai>python manage.py migrate
Operations to perform:
  Apply all migrations: admin, auth, contenttypes, sessions
Running migrations:
  Applying contenttypes.0001_initial... OK
  Applying auth.0001_initial... OK
  Applying admin.0001_initial... OK
  Applying admin.0002_logentry_remove_auto_add... OK
  Applying admin.0003_logentry_add_action_flag_choices... OK
  Applying contenttypes.0002_remove_content_type_name... OK
  Applying auth.0002_alter_permission_name_max_length... OK
  Applying auth.0003_alter_user_email_max_length... OK
  Applying auth.0004_alter_user_username_opts... OK
  Applying auth.0005_alter_user_last_login_null... OK
  Applying auth.0006_require_contenttypes_0002... OK
  Applying auth.0007_alter_validators_add_error_messages... OK
  Applying auth.0008_alter_user_username_max_length... OK
  Applying auth.0009_alter_user_last_name_max_length... OK
  Applying auth.0010_alter_group_name_max_length... OK
  Applying auth.0011_update_proxy_permissions... OK
  Applying sessions.0001_initial... OK
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 "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\core\management\__init__.py", line 401, in
 execute_from_command_line
    utility.execute()
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\core\management\__init__.py", line 395, in
 execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\core\management\base.py", line 341, in run
_from_argv
    connections.close_all()
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\utils.py", line 230, in close_all
    connection.close()
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\utils\asyncio.py", line 26, in inner
    return func(*args, **kwargs)
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\backends\sqlite3\base.py", line 261, in
 close
    if not self.is_in_memory_db():
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\backends\sqlite3\base.py", line 380, in
 is_in_memory_db
    return self.creation.is_in_memory_db(self.settings_dict['NAME'])
  File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\backends\sqlite3\creation.py", line 12,
 in is_in_memory_db
    return database_name == ':memory:' or 'mode=memory' in database_name
TypeError: argument of type 'WindowsPath' is not iterable

推荐答案

我只是在这个问题中回答了相同的错误如何解决 WindowsPath类型的参数在django中不可迭代的问题？不打开任何pdf或csv文件

I just answered that same error in this question How can I resolve the argument of type 'WindowsPath' is not iterable in django? not opening any pdf or csv files

似乎设置数据库-名称需要一个字符串，而不是 Path 对象。

It seems like the setting DATABASES - NAME expects a string, not a Path object.

在您的设置中尝试更改此行

In your settings try changing this line

'NAME': BASE_DIR / 'db.sqlite3',

到

'NAME': str(BASE_DIR / 'db.sqlite3'),

以便 NAME 为字符串而不是 Path 。

错误来自此行代码 django / db / backends /sqlite3/creation.py#L13 ，似乎此提交解决了该问题，因此在 Django v3.1.1 中不再需要使用'NAME'：str（BASE_DIR /'db.sqlite3'），，只需使用'NAME'：BASE_DIR /' db.sqlite3'，应该足够。

The error comes from this line of code django/db/backends/sqlite3/creation.py#L13 and it seems that this commit solves the issue, so in Django v3.1.1 there is no need to use 'NAME': str(BASE_DIR / 'db.sqlite3'), anymore, just using 'NAME': BASE_DIR / 'db.sqlite3', should sufice.

这篇关于在database_name中返回database_name =='：memory：'或'mode = memory'TypeError：类型'WindowsPath'的参数不可迭代的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！