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[英]You must set settings.ALLOWED_HOSTS if DEBUG is False. Django-r-f
[英]Lightweight Django: settings.ALLOWED_HOSTS set as environment variable
我正在關注來自O'Reilly的Julia Elman和Mark Lavin的“輕量級Django”。 在第1章中,我無法將ALLOWED_HOSTS設置為環境變量。
當我運行python hello.py runserver
,出現CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
這是我的hello.py
:
import os
import sys
from django.conf import settings
DEBUG = os.environ.get('DEBUG', 'on') == 'on'
SECRET_KEY = os.environ.get('SECRET_KEY', os.urandom(32))
ALLOWED_HOSTS = os.environ.get('ALLOWED_HOSTS', 'localhost').split(',')
settings.configure(
DEBUG=DEBUG,
SECRET_KEY=SECRET_KEY,
ROOT_URLCONF=__name__,
MIDDLEWARE_CLASSES=(
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
),
)
from django.conf.urls import url
from django.core.wsgi import get_wsgi_application
from django.http import HttpResponse
def index(request):
return HttpResponse('Hello World')
urlpatterns = (
url(r'^$', index),
)
application = get_wsgi_application()
if __name__ == "__main__":
from django.core.management import execute_from_command_line
execute_from_command_line(sys.argv)
我已經完成了export DEBUG=off
,並export ALLOWED_HOSTS=localhost,example.com
並且我確定我具有環境變量:
$printenv DEBUG
off
$printenv ALLOWED_HOSTS
localhost,example.com
有人可以告訴我怎么了嗎?
您忘記將ALLOWED_HOSTS
參數添加到settings.configure()
調用中。
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