def _categorize(self):
     """ categorize wine info """
     entities = WebLinkWineTemp.query().fetch(50) # to avoid running datastore free quota limit
     for entity in entities:
         result = re.findall(r"BuyWine/Item/\d+|sku|skuIT-\d+|bwe\d+|wines/\d+|/wine/|Apply/Vintage/\d+", entity.link, re.I) # sku ; BuyWine/Item ; bwe
         query = WebLinkWine.query(WebLinkWine.link == entity.link)
         if result and query.count() == 0:
             new_wine_info = WebLinkWine()
             new_wine_info.link = entity.link
             new_wine_info.title = entity.title
             new_wine_info.put()