tasks.py 文件源码

def process_commissions(symbol, multiplied_symbols):
    try:
        symbol_ = Symbols.objects.filter(symbol=symbol).values('currency', 'spread', 'digits', 'tick_size', 'tick_value', 'broker', 'symbol')
        if settings.SHOW_DEBUG:
            print("Processing commisions for {}".format(symbol_))

        if any(symbol_[0]['symbol'] in s for s in multiplied_symbols):
            value = (((power(10.0, -symbol_[0]['digits']) * \
                float(symbol_[0]['spread'])) / float(symbol_[0]['tick_size'])) * \
                float(symbol_[0]['tick_value'])) * 100.0
        else:
            value = (((power(10.0, -symbol_[0]['digits']) * \
                float(symbol_[0]['spread'])) / float(symbol_[0]['tick_size'])) * \
                float(symbol_[0]['tick_value']))

        symbol.commission = value
        symbol.save()
    except Exception as err:
        print(colored.red("At process commissions {}".format(err)))
        symbol.commission = None
        symbol.save()
    if settings.SHOW_DEBUG:
        print("Updated commision value for {0}\n".format(symbol.symbol))