craigslist.py 文件源码

def run(self, cache=True):
        """Run application."""

        self._query()

        # configure `requests` cache
        if cache:
            cache_dir = appdirs.user_cache_dir('craigslist')
            os.makedirs(cache_dir, exist_ok=True)
            requests_cache.install_cache(
                cache_name=os.path.join(cache_dir, 'craigslist'),
                expire_after=timedelta(hours=0.5))

        print('Running query...\n')

        # record the start time
        start = time.time()

        self.prices = self._getprices()

        # determine elapsed time of queries
        self.duration = time.time() - start

        # remove expired cache entries
        if cache:
            requests_cache.core.remove_expired_responses()

        # print statistics (if any price data exists)
        if self.prices:
            self._print()
        else:
            print('Nothing found for that search.')