python manage.py runserver - 在 Django 项目中不起作用答案

【问题标题】：python manage.py runserver - Doesnt work in Django projectpython manage.py runserver - 在 Django 项目中不起作用
【发布时间】：2020-11-28 20:34:08
【问题描述】：

我使用 Django 框架（Window 平台）开始了我的第一个项目。尝试运行 manage.py runserver 时，我收到一个错误。 Python 版本 - 3.8.5 ，Django 版本 - 3.1

我正在附加我在终端中收到的错误

(venv) C:\Users\shai.QIL\PycharmProjects\djangoProject>python manage.py runserver
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\shai.QIL\PycharmProjects\djangoProject\venv\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
    utility.execute()
  File "C:\Users\shai.QIL\PycharmProjects\djangoProject\venv\lib\site-packages\django\core\management\__init__.py", line 345, in execute
    settings.INSTALLED_APPS
  File "C:\Users\shai.QIL\PycharmProjects\djangoProject\venv\lib\site-packages\django\conf\__init__.py", line 83, in __getattr__
    self._setup(name)
  File "C:\Users\shai.QIL\PycharmProjects\djangoProject\venv\lib\site-packages\django\conf\__init__.py", line 70, in _setup
    self._wrapped = Settings(settings_module)
  File "C:\Users\shai.QIL\PycharmProjects\djangoProject\venv\lib\site-packages\django\conf\__init__.py", line 177, in __init__
    mod = importlib.import_module(self.SETTINGS_MODULE)
  File "C:\Users\shai.QIL\Python\Python38-32\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\shai.QIL\PycharmProjects\djangoProject\djangoProject\settings.py", line 57, in <module>
    'DIRS': [os.path.join(BASE_DIR, 'templates')]
NameError: name 'os' is not defined

感谢您的帮助！

【问题讨论】：

import os 在manage.py
不是manage.py，而是settings.py（虽然iirc的import语句已经在默认设置文件中-也许OP删除了它？）

标签： python python-3.x django

【解决方案1】：

您需要将import os 放入您的settings.py

【讨论】：

我做到了，就在我发布它之后。它解决了问题，不再出现错误。
我明白了，Shai不用担心