client.py 文件源码

def get_page(self, contextFactory=None, description=None, *args, **kwargs):
        if description is None:
            description = self.url

        scheme, _, _, _ = self.url_parse(self.url)
        factory = txwebclient.HTTPClientFactory(self.url, *args, **kwargs)
        if scheme == 'https':
            from twisted.internet import ssl
            if contextFactory is None:
                contextFactory = ssl.ClientContextFactory()
            if self.use_proxy:
                reactor.connectSSL(self.proxy_host, self.proxy_port,
                                   factory, contextFactory)
            else:
                reactor.connectSSL(self.host, self.port,
                                   factory, contextFactory)
        else:
            if self.use_proxy:
                reactor.connectTCP(self.proxy_host, self.proxy_port, factory)
            else:
                reactor.connectTCP(self.host, self.port, factory)

        if self.return_headers:
            return factory.deferred.addCallback(
                lambda page: (page, factory.response_headers))
        else:
            return factory.deferred