mark.py 文件源码

def __call__(self, *args, **kwargs):
        """ if passed a single callable argument: decorate it with mark info.
            otherwise add *args/**kwargs in-place to mark information. """
        if args and not kwargs:
            func = args[0]
            is_class = inspect.isclass(func)
            if len(args) == 1 and (istestfunc(func) or is_class):
                if is_class:
                    if hasattr(func, 'pytestmark'):
                        mark_list = func.pytestmark
                        if not isinstance(mark_list, list):
                            mark_list = [mark_list]
                        # always work on a copy to avoid updating pytestmark
                        # from a superclass by accident
                        mark_list = mark_list + [self]
                        func.pytestmark = mark_list
                    else:
                        func.pytestmark = [self]
                else:
                    holder = getattr(func, self.name, None)
                    if holder is None:
                        holder = MarkInfo(
                            self.name, self.args, self.kwargs
                        )
                        setattr(func, self.name, holder)
                    else:
                        holder.add(self.args, self.kwargs)
                return func
        kw = self.kwargs.copy()
        kw.update(kwargs)
        args = self.args + args
        return self.__class__(self.name, args=args, kwargs=kw)