def load(self, section, key, dtype='json', default=None):
        assert dtype in ('json',)

        if not self.enabled:
            return default

        cache_fn = self._get_cache_fn(section, key, dtype)
        try:
            try:
                with io.open(cache_fn, 'r', encoding='utf-8') as cachef:
                    return json.load(cachef)
            except ValueError:
                try:
                    file_size = os.path.getsize(cache_fn)
                except (OSError, __HOLE__) as oe:
                    file_size = str(oe)
                self._ydl.report_warning(
                    'Cache retrieval from %s failed (%s)' % (cache_fn, file_size))
        except IOError:
            pass  # No cache available

        return default
dataset/ETHPy150Open yasoob/youtube-dl-GUI/youtube_dl/cache.py/Cache.load