在mod_wsgi下运行CherryPy

时间:2012-12-03 05:02:58

标签: python ubuntu apache2 mod-wsgi cherrypy

我想在ubuntu上的apache2 / mod_wsgi下运行一个CherryPy应用程序。我按照here概述的教程,我的配置几乎相同。访问站点的根目录时,收到500内部服务器错误。日志中唯一的错误是:

[Mon Dec 03 04:43:06 2012] [error] [client 64.189.251.239] Premature end of script headers: index.py

我已经尝试了几个教程的变体,但我没有收到任何重大错误。有什么想法吗?

我的Apache VirtualHost

...
    WSGIScriptAlias / /var/www/example.com/uba/index.py
DocumentRoot /var/www/example.com/uba/
<Directory />
    Options +ExecCGI Indexes FollowSymLinks
    AllowOverride All
</Directory>

<Directory /var/www/example.com/uba/>
    Options +ExecCGI -Indexes -FollowSymLinks -MultiViews
    WSGIApplicationGroup %{GLOBAL}
    AllowOverride All
    Order allow,deny
    allow from all
</Directory>
...

我的index.py脚本:

#!/usr/bin/python

import sys
sys.stdout = sys.stderr

import atexit
import threading
import cherrypy

cherrypy.config.update({'environment': 'embedded'})

if cherrypy.__version__.startswith('3.0') and cherrypy.engine.state == 0:
    cherrypy.engine.start(blocking=False)
    atexit.register(cherrypy.engine.stop)

class Root(object):
    def index(self):
        return 'Hello World!'
    index.exposed = True

application = cherrypy.Application(Root(), script_name=None, config=None)

更新#1:

运行这个非常基本的wsgi应用程序会产生完全相同的错误:

#!/usr/bin/python

def application(environ, start_response):
    status = '200 OK'
    output = 'Hello World!'

    response_headers = [('Content-type', 'text/plain'),
                        ('Content-Length', str(len(output)))]
    start_response(status, response_headers)

    return [output]

1 个答案:

答案 0 :(得分:1)

我建议您使用超级简单的wsgi应用程序替换cherrypy index.py脚本来测试您的apache配置。

def application(environ, start_response):
    status = '200 OK'
    output = 'Hello World!'

    response_headers = [('Content-type', 'text/plain'),
                        ('Content-Length', str(len(output)))]
    start_response(status, response_headers)

    return [output]

确保在尝试使用cherrypy脚本之前有效。