代码
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import sys
import django
from django.conf import settings
from django.conf.urls import include, url
from django.core.management import execute_from_command_line
from django.core.wsgi import get_wsgi_application
from django.http import HttpResponse
from django.utils.crypto import get_random_string
BASE_DIR = os.path.dirname(__file__)
#################### UTILS ####################
def get_client_ip(request):
x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
if x_forwarded_for:
return x_forwarded_for.split(',')[0]
return request.META.get('REMOTE_ADDR')
def secret_key():
_file_name = os.path.join(BASE_DIR, '.secret_key')
if os.path.isfile(_file_name):
with open(_file_name, 'r') as f:
return f.read(50)
chars = 'abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)'
key = get_random_string(50, chars)
with open(_file_name, 'w') as f:
f.write(key)
return key
#################### DJANGO ###################
class URLConf(object):
@property
def urlpatterns(self):
from django.contrib import admin
urls = [
url(r'^admin/', include(admin.site.urls)),
url(r'^$', index),
]
if django.VERSION[0] < 2 and django.VERSION[1] < 10:
# django < 1.10 的写法
from django.conf.urls import patterns
return patterns('', *urls)
return urls
SETTINGS = {
'BASE_DIR': BASE_DIR,
'SECRET_KEY': secret_key(),
'DEBUG': True,
'ALLOWED_HOSTS': ['localhost', '172.16.0.49'],
'INSTALLED_APPS': (
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
),
'MIDDLEWARE_CLASSES': (
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
),
'TEMPLATES': [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
],
'AUTH_PASSWORD_VALIDATORS': [
{'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator'},
{'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator'},
{'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator'},
{'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator'},
],
'ROOT_URLCONF': URLConf(),
# 测试环境下使用,如果为 None,自动调 get_wsgi_application 获得 application
'WSGI_APPLICATION': None,
'DATABASES': {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
},
'LANGUAGE_CODE': 'zh-hans', # en-us
'TIME_ZONE': 'Asia/Shanghai', # UTC
'USE_I18N': True,
'USE_L10N': True,
'USE_TZ': True,
'STATIC_URL': '/static/',
}
if not settings.configured:
settings.configure(**SETTINGS)
django.setup()
application = get_wsgi_application()
#################### VIEWS ####################
def index(request):
return HttpResponse('hello world (%s)\n' % get_client_ip(request))
###############################################
if __name__ == '__main__':
execute_from_command_line(sys.argv)
测试
mkdir /tmp/djangotest
cd /tmp/djangotest
touch main.py
# wget https://www.markjour.com/media/attach/django-in-single-file.py -O main.py
python2 -m pip install virtualenv
virtualenv venv
source venv/bin/activate
pip install "django<2" # 1.11.29
python main.py migrate
python main.py runserver 0.0.0.0:8000
deactivate