def open(self, *args: str, **kwargs: str) -> Optional[Awaitable[None]]:
contracts_dict = read_contracts_json_dict()
# 提取 contracts_dict 中信息变为 symbols_dict
for key, value in contracts_dict.items():
if value["exchange"] in symbols_dict:
symbols_dict[value["exchange"]].append(
f"{key}.{value['name']}")
else:
symbols_dict[value["exchange"]] = [f"{key}.{value['name']}"]
re_data = json.dumps({
"exchanges": list(symbols_dict.keys()),
"periods": periods,
"time_format": time_format,
"export_to": export_to,
})
self.write_message(re_data)
print(1)
def onExchangeActivated(self, exchange_str):
self.symbol_combo.clear()
contracts_dict = read_contracts_json_dict()
# 提取 contracts_dict 中信息变为 symbols_dict
symbols_dict = {}
for key, value in contracts_dict.items():
if value["exchange"] in symbols_dict:
symbols_dict[value["exchange"]].append(
f"{key}.{value['name']}")
else:
symbols_dict[value["exchange"]] = [f"{key}.{value['name']}"]
if exchange_str in symbols_dict:
for symbol in symbols_dict[exchange_str]:
self.symbol_combo.addItem(symbol, symbol)
else:
err_msg = f"{exchange_str} is not in pytdx market_code_info.json file!"
QtWidgets.QMessageBox.information(self, "载入失败！", err_msg)
print(err_msg)
def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
""""""
super().__init__()
self.main_engine = main_engine
self.event_engine = event_engine
self.backtester_engine = main_engine.get_engine(APP_NAME)
self.class_names = []
self.settings = {}
self.db_instance = DBOperation(get_settings("database."))
self.dbbardata_groupby_df = pd.DataFrame()
self.pytdx_contracts_dict = read_contracts_json_dict()
self.pyccxt_exchange = Exchange()
self.target_display = ""
self.init_ui()
self.register_event()
self.backtester_engine.init_engine()
self.init_strategy_settings()
def __init__(self):
self.backtesting_engine = BacktestingEngine()
self.contracts_dict = read_contracts_json_dict()
self.last_vt_symbol = ''
backtester.init_engine()
return backtester.get_strategy_class_names()
# def onStrategyActivated(current_strategy: str):
# strategy_setting_dict = getStrategySettingDict()
# return strategy_setting_dict[current_strategy]
#############################################################
# DBOperation
#############################################################
db_instance = DBOperation(get_settings("database."))
# dbbardata_groupby_df = db_instance.get_groupby_data_from_sql_db()
# exchange_array = dbbardata_groupby_df['exchange'].drop_duplicates().to_list()
pytdx_contracts_dict = read_contracts_json_dict()
pyccxt_exchange = Exchange()
def getExchangeArray():
dbbardata_groupby_df = db_instance.get_groupby_data_from_sql_db()
return dbbardata_groupby_df['exchange'].drop_duplicates().to_list()
def onExchangeActivated(current_exchange):
'''
exchange变化触发, 返回db中相应 symbol list
'''
dbbardata_groupby_df = db_instance.get_groupby_data_from_sql_db()