python manage.py runserverエラー環境変数

Question

これを実行しようとしましたが、私はdjangoを学習しましたが、これはエラーを示しています。

Kaustubhs-MacBook-Pro-2:crmeasy kaustubhmundra$ python manage.py runserver 
Traceback (most recent call last): 
    File "manage.py", line 10, in <module> 
    execute_from_command_line(sys.argv) 
    File "/Library/Python/2.7/site-packages/django/core/management/__init__.py", line 367, in execute_from_command_line 
    utility.execute() 
    File "/Library/Python/2.7/site-packages/django/core/management/__init__.py", line 359, in execute 
    self.fetch_command(subcommand).run_from_argv(self.argv) 
    File "/Library/Python/2.7/site-packages/django/core/management/base.py", line 317, in run_from_argv 
    connections.close_all() 
    File "/Library/Python/2.7/site-packages/django/db/utils.py", line 229, in close_all 
    for alias in self: 
    File "/Library/Python/2.7/site-packages/django/db/utils.py", line 223, in __iter__ 
    return iter(self.databases) 
    File "/Library/Python/2.7/site-packages/django/utils/functional.py", line 35, in __get__ 
    res = instance.__dict__[self.name] = self.func(instance) 
    File "/Library/Python/2.7/site-packages/django/db/utils.py", line 156, in databases 
    self._databases = settings.DATABASES 
    File "/Library/Python/2.7/site-packages/django/conf/__init__.py", line 53, in __getattr__ 
    self._setup(name) 
    File "/Library/Python/2.7/site-packages/django/conf/__init__.py", line 41, in _setup 
    self._wrapped = Settings(settings_module) 
    File "/Library/Python/2.7/site-packages/django/conf/__init__.py", line 97, in __init__ 
    mod = importlib.import_module(self.SETTINGS_MODULE) 
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module 
    __import__(name) 
    File "/Users/kaustubhmundra/Desktop/Django/crmeasy/crmapp/settings.py", line 28, in <module> 
    ENV_ROLE = get_env_variable('ENV_ROLE') 
    File "/Users/kaustubhmundra/Desktop/Django/crmeasy/crmapp/settings.py", line 25, in get_env_variable 
    raise ImproperlyConfigured(error_msg) 
django.core.exceptions.ImproperlyConfigured: Set the ENV_ROLE environment variable 

Answer 1

あなたのエラーメッセージの最後の行が言うように：

Set the ENV_ROLE environment variable 

この変数が何をするかについて読むには - https://ultimatedjango.com/learn-django/lessons/define-environments/

しかし、基本的にはそれだけで開発/（生産/ステージングを段階を開発しています）。気にしない場合は、プロダクションに設定してください。