abstract.py 文件源码

def fetch(self):
        """Fetches url of the reporter and returns news.

        :returns: Either a list of news or a news.
        :rtype: :class:`list` or `~news.models.AbstractNews` implemnetation.

        """
        async with aiohttp.get(self.url) as response:
            # return nothing if status code is not OK
            if response.status != 200:
                return None

            # make news from the response
            items = self.parse(await response.text())

            # return a single news if we have only one. return a list of news
            # if we have more than a single news.
            try:
                return (self.make_news(item) for item in items)
            except TypeError:
                item = items
                news = self.make_news(item)
                return news