utils.py 文件源码

def fetch_stream_from_url(url, config, data=None, handlers=None):
    """Returns data retrieved from a URL.
    @param url: URL to attempt to open
    @type url: basestring
    @param config: SSL context configuration
    @type config: Configuration
    @param data: HTTP POST data
    @type data: str
    @param handlers: list of custom urllib2 handlers to add to the request
    @type handlers: iterable
    @return: data retrieved from URL or None
    @rtype: file derived type
    """
    return_code, return_message, response = open_url(url, config, data=data,
                                                     handlers=handlers)
    if return_code and return_code == http_client_.OK:
        return response
    else:
        raise URLFetchError(return_message)