api.py 文件源码

python
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项目:upstox-python 作者: upstox 项目源码 文件源码
def get_instrument_by_symbol(self, exchange, symbol):
        # get instrument given exchange and symbol
        global master_contracts_by_symbol

        exchange = exchange.lower()
        symbol = symbol.lower()
        # check if master contract exists
        if exchange not in master_contracts_by_symbol:
            logging.warning("Cannot find exchange [%s] in master contract. "
                            "Please ensure you have called get_master_contract function first" % exchange)
            return None

        master_contract = master_contracts_by_symbol[exchange]

        if symbol not in master_contract:
            logging.warning("Cannot find symbol [%s:%s] in master contract" % (exchange, symbol))
            return None

        return master_contract[symbol]
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