def get_next_id(self):
        try:
            query = {'_id': 'last_id'}
            update = {'$inc': {'id': 1}}
            fn = self.db.internal.find_and_modify
            row = fn(query, update, upsert=True, new=True)
        except Exception as e:
            raise DatabaseException(e)
        return row['id']
def __init__(self):
        self.SOURCE_HTML_BASE_FOLDER_PATH = u"cameo_res\\source_html"
        self.PARSED_RESULT_BASE_FOLDER_PATH = u"cameo_res\\parsed_result"
        self.strWebsiteDomain = u"http://buzzorange.com/techorange"
        self.dicSubCommandHandler = {
            "index":self.downloadIndexPage,
            "tag":self.downloadTagPag,
            "news":self.downloadNewsPage
        }
        self.utility = Utility()
        self.db = LocalDbForTECHORANGE()
        self.driver = None