def __init__(self, url, name=None, price=None, _id=None):
self.url = url
store = Store.get_by_full_url(url)
n_tag_name = store.n_tag_name
n_query = store.n_query
self.name = self.load_name(n_tag_name,
n_query) if name is None else name
self.p_tag_name = store.p_tag_name
self.p_query = store.p_query
self.price = None if price is None else price
self._id = uuid.uuid4().hex if _id is None else _id
