strategy.py 文件源码

def __init__(self, strat):
        self.log = logging.getLogger('strategy.StrategyIterator({})'.format(str(strat)))
        self.strategy = strat
        sig = inspect.signature(strat.generate)
        params = sig.parameters
        kws = {}
        self.log.debug('init')
        for kw in params:
            if kw in strat._kws:
                self.log.debug('add keyword {kw}'.format(kw=kw))
                kws[kw] = strat._kws[kw]
            elif params[kw].kind == inspect.Parameter.VAR_KEYWORD:
                self.log.debug('merge keywords on VAR_KEYWORD {kw}'.format(kw=kw))
                kws.update(strat._kws)
                break

        self._generator = strat.generate(strat._depth, *strat._args, **kws)