httphandler.py 文件源码

def __init__(self, configuration):
        self.setup(configuration)
        self.echo = None
        if "ECHO" in configuration:
            self.echo = configuration['ECHO']
        if self.proxy_scheme is not None and self.proxy_host is not None and \
                        self.proxy_port is not None:
            credentials = ""
            if self.proxy_username is not None and self.proxy_password is not None:
                credentials = self.proxy_username + ":" + self.proxy_password + "@"
            proxyDict = {
                self.proxy_scheme: self.proxy_scheme + "://" + credentials +
                                                    self.proxy_host + ":" + self.proxy_port
            }

            proxy = urllib2.ProxyHandler(proxyDict)

            if credentials != '':
                auth = urllib2.HTTPBasicAuthHandler()
                opener = urllib2.build_opener(proxy, auth, urllib2.HTTPHandler)
            else:
                opener = urllib2.build_opener(proxy)
            urllib2.install_opener(opener)