class LhbDfcfDataAnalysis: """ This class is the base class of processor. """ def __init__(self): """ Parameters ---------- """ self.config_parser = ConfigParserUtil.get_config_parser( "config/env.cfg") self.mysql_database = None self.mysql_host = None self.mysql_user = None self.mysql_password = None self.mysql_args = None self.database_instance = None self.logger = get_logger(name="lhb_dfcf_data_analysis") self.parse_config() self.setup_mysql() def parse_config(self): """ This method parses arguments from command line. Returns ------- None """ env = os.environ.get("ENV") # ENV equals section name in env.cfg self.mysql_host = self.config_parser.get(env, "MYSQL_HOST") self.mysql_user = self.config_parser.get(env, "MYSQL_USER") self.mysql_password = self.config_parser.get(env, "MYSQL_PASSWORD") self.mysql_database = self.config_parser.get("lhb", "MYSQL_DATABASE") def setup_mysql(self): """ This method sets up MySQL database connection instance. Returns ------- None """ self.mysql_args = { "host": self.mysql_host, "database": self.mysql_database, 'user': self.mysql_user, "password": self.mysql_password } self.database_instance = LhbDB(self.mysql_args) self.database_instance.connect_db() def get_summary_info_by_start_date_and_end_date(self, start_date, end_date): return self.database_instance.select_summary_info_dfcf_by_date( start_date, end_date) def get_summary_info_by_stock_id(self, stock_id): return self.database_instance.select_summary_info_dfcf_by_stock_id( stock_id)
def setup_mysql(self): """ This method sets up MySQL database connection instance. Returns ------- None """ super().setup_mysql() self.database_instance = LhbDB(self.mysql_args) self.database_instance.connect_db()
def setup_mysql(self): """ This method sets up MySQL database connection instance. Returns ------- None """ self.mysql_args = { "host": self.mysql_host, "database": self.mysql_database, 'user': self.mysql_user, "password": self.mysql_password } self.database_instance = LhbDB(self.mysql_args) self.database_instance.connect_db()
class LhbSummaryDfcfProcessor(Processor): def __init__(self): super().__init__() self.parse_config() logging.basicConfig(format='%(asctime)s %(message)s') self.logger = get_logger('lhb_summary_dfcf_processor.log') def parse_config(self): """ This method parses config from env.cfg Returns ------- None """ super().parse_config() self.redis_key = self.config_parser.get("lhb", "LHB_SUMMARY_DFCF_REDIS_KEY") self.mysql_database = self.config_parser.get("lhb", "MYSQL_DATABASE") def insert_lhb_summary_table(self, items): """ This method inserts a list of items into table cinema_info Parameters ---------- items: list of cinema items to insert Returns ------- None """ for item in items: row = (item['lhb_date'], item['stock_id'], item['stock_name'], item['close_price'] if item['close_price'] != '' else -1, decimal.Decimal("%.2f" % float(item['change_percent'])) if item['change_percent'] != '' else -10000, item['lhb_net_value'] if item['lhb_net_value'] != '' else 0, item['lhb_buy_value'] if item['lhb_buy_value'] != '' else 0, item['lhb_sell_value'] if item['lhb_sell_value'] != '' else 0, item['lhb_total_value'] if item['lhb_total_value'] != '' else 0, item['trade_amount'] if item['trade_amount'] != '' else -1, decimal.Decimal("%.2f" % float(item['net_value_percent'])) if item['net_value_percent'] != '' else -1, decimal.Decimal("%.2f" % float(item['total_value_percent'])) if item['total_value_percent'] != '' else -1, decimal.Decimal("%.2f" % float(item['turnover_ratio'])) if item['turnover_ratio'] != '' else -1, item['reason'].encode('utf-8'), get_current_timestamp("Asia/Shanghai")) try: self.database_instance.insert_summary_info_dfcf(row) except Exception as e: print(item) self.logger.info(item) self.logger.error(e) def process_items(self): """ Process items from a redis queue. """ processed_item_number = 0 while processed_item_number < self.limit: items = self.get_batch_items() if len(items) == 0: time.sleep(self.sleep_secs) continue self.insert_lhb_summary_table(items) processed_item_number += len(items) self.database_instance.close_db() self.session.close() def setup_mysql(self): """ This method sets up MySQL database connection instance. Returns ------- None """ super().setup_mysql() self.database_instance = LhbDB(self.mysql_args) self.database_instance.connect_db()
class LhbDetailProcessor(Processor): def __init__(self): super().__init__() self.parse_config() logging.basicConfig(format='%(asctime)s %(message)s') self.logger = logging.getLogger('lhb_detail_processor') def parse_config(self): """ This method parses config from env.cfg Returns ------- None """ super().parse_config() self.redis_key = self.config_parser.get("lhb", "LHB_DETAIL_REDIS_KEY") self.mysql_database = self.config_parser.get("lhb", "MYSQL_DATABASE") def insert_lhb_detail_table(self, items): """ Parameters ---------- items: list of cinema items to insert Returns ------- None """ for item in items: row = (item['stock_id'], item['end_date'], item['reason'].encode('utf-8'), item['change_percent'], item['buy_value'], item['sell_value'], item['net_value'], get_current_timestamp("Asia/Shanghai")) self.database_instance.insert_detail_info(row) def process_items(self): """ Process items from a redis queue. """ processed_item_number = 0 while processed_item_number < self.limit: items = self.get_batch_items() if len(items) == 0: time.sleep(self.sleep_secs) continue self.insert_lhb_summary_table(items) processed_item_number += len(items) self.database_instance.close_db() self.session.close() def setup_mysql(self): """ This method sets up MySQL database connection instance. Returns ------- None """ super().setup_mysql() self.database_instance = LhbDB(self.mysql_args) self.database_instance.connect_db()