httphandler.py 文件源码

def request(self, url, query, headers, timeout):
        request = Request(url, query.encode('utf-8'), headers)
        try:
            if (sys.version_info[0] == 2 and sys.version_info[1] > 5) or sys.version_info[0] > 2:
                response = self.http_opener.open(request, timeout=timeout)
            else:
                response = self.http_opener.open(request)
        except HTTPError as error:
            if error.fp is None:
                raise HTTPHandlerError(error.filename, error.code, error.msg, dict(error.hdrs))
            else:
                raise HTTPHandlerError(error.filename, error.code, error.msg, dict(error.hdrs), error.read())
        except URLError as error:
            # urllib2.URLError documentation is horrendous!
            # Try to get the tuple arguments of URLError
            if hasattr(error.reason, 'args') and isinstance(error.reason.args, tuple) and len(error.reason.args) == 2:
                raise HTTPHandlerError(httpcode=error.reason.args[0], httpmsg=error.reason.args[1])
            else:
                raise HTTPHandlerError(httpmsg='urllib2.URLError: %s' % (error.reason))
        except BadStatusLine as error:
            raise HTTPHandlerError(httpmsg='httplib.BadStatusLine: %s' % (error.line))
        return response.read().decode('utf-8')