在扭曲网络下运行 Django 测试服务器

发布于 2024-08-19 12:50:40 字数 1178 浏览 4 评论 0原文

当我正在编写一个应用程序时，它使用twisted web 来服务异步请求，并使用Django 来进行正常的内容交付，我认为如果两者通过Django 的WSGI 接口在同一个twistedreactor 下运行，那就太好了。

我还想使用 Django 提供的优秀测试服务器工具来测试我的应用程序。起初，我只是创建了测试数据库并在反应器下激发了 WSGIHandler，但这不起作用，因为 WSGIHandler 看不到初始化期间创建的测试数据库。

因此，我决定编写一个解决方案，并在第一个请求上创建数据库并加载固定装置，这对于测试服务器来说很好。这是我正在使用的（精简的）脚本：

import os, sys
import django.core.handlers.wsgi

from django.core.management import call_command
from django.db import connection

from twisted.web.wsgi import WSGIResource
from twisted.internet import reactor
from twisted.web.server import Site

sys.path.append('/path/to/myapp')
os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings'

_app = django.core.handlers.wsgi.WSGIHandler()
initialized = False
fixtures = (...) # Put your fixtures path here

def app(e,sr):
  global initialized

  if not initialized:
    connection.creation.create_test_db(verbosity=1)
    call_command('loaddata', *fixtures, verbosity=1)
    initialized = True

  return _app(e,sr)

res = WSGIResource(reactor, reactor.getThreadPool(), app)
factory = Site(res)
reactor.listenTCP(8888, factory)

  reactor.run()

我知道这有点黑客，所以如果您有更好的解决方案，请在此处报告。

谢谢。

原文

As I'm writing an application which uses twisted web for serving async requests and Django for normal content delivery, I thought it would have been nice to have both run under the same twisted reactor through the WSGI interface of Django.

I also wanted to test my app using the nice test server facility that Django offers. At first I simply created the test db and fired the WSGIHandler under the reactor but this didn't work as the WSGIHandler doesn't see the test db created during the initialization.

Hence, I decided to write a work around and have the db created and fixtures loaded on the first request, which is fine for a test server. Here's the (stripped down) script I'm using:

import os, sys
import django.core.handlers.wsgi

from django.core.management import call_command
from django.db import connection

from twisted.web.wsgi import WSGIResource
from twisted.internet import reactor
from twisted.web.server import Site

sys.path.append('/path/to/myapp')
os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings'

_app = django.core.handlers.wsgi.WSGIHandler()
initialized = False
fixtures = (...) # Put your fixtures path here

def app(e,sr):
  global initialized

  if not initialized:
    connection.creation.create_test_db(verbosity=1)
    call_command('loaddata', *fixtures, verbosity=1)
    initialized = True

  return _app(e,sr)

res = WSGIResource(reactor, reactor.getThreadPool(), app)
factory = Site(res)
reactor.listenTCP(8888, factory)

  reactor.run()

I know this is a bit of a hack so if you've a better solution please report it here.

Thanks.

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