tap.py 文件源码

def opt_processor(self, proc):
        """`ext=class' where `class' is added as a Processor for files ending
        with `ext'.
        """
        if not isinstance(self['root'], static.File):
            raise usage.UsageError("You can only use --processor after --path.")
        ext, klass = proc.split('=', 1)
        self['root'].processors[ext] = reflect.namedClass(klass)