def _run_daily(self, list_of_mirrors=None, cache_size=20):
"""Pings the provided mirrors and handles post-ping operations.
This function pings the provided operations and
handles the following post-ping operations:
Saves to cache: the cache will be used on daily scans.
Adds to blacklist: mirrors that will be added to blacklist
will not be pinged on daily scans.
Switches to fastest mirror: sets the fastest mirror as the
default upstream mirror.
:param list_of_mirrors: the mirrors that should be pinged. (list)
:param cache_size: the size of the mirrors to be saved in cache. (int)
:returns sorted_mirrors: the result of the ping operation. (dict)
"""
if not list_of_mirrors:
list_of_mirrors = self._list_of_mirrors
pinger = FastestMirrors()
pinger.sort_mirrors_by_ping_avg(mirrors=list_of_mirrors)
sorted_mirrors = pinger.sorted_mirrors
cache = CacheManager(fastest_mirrors=pinger, cache_size=cache_size)
cache.set_cached_mirrors_from_list()
cache.save()
self._parser.switch_to_fastest_mirror(
mirror=next(iter(cache.cache_mirrors.keys())))
return sorted_mirrors
