def prefix_flag(self, prefix, args, quotes=False):
form_str = '{}"{}"' if quotes else '{}{}'
return [form_str.format(prefix, args) for arg in flatten(args)]
def __setattr__(self, name, value):
try: attributes = object.__getattribute__(self, 'attributes')
except AttributeError: attributes = { }
if name not in attributes: object.__setattr__(self, name, value)
else: attributes[name] += flatten(value)