def remove_page(self, target):
target = decode_from_binary(target)
if isinstance(target, PageInfo):
key = target.id
else:
key = PageInfo.url_to_id(target)
try:
self.__class__.storage.remove(key)
except KeyError as exc:
return False
else:
return True
def get_page(self, target_url):
return encode_to_binary(
self.__class__.storage.get(
PageInfo.url_to_id(target_url), default=None))
def has_key(self, target_url):
result = PageInfo.url_to_id(target_url) in self.__class__.storage
return result