Yes this is unfortunate, the arg can only be something fii thinks is a pointer. You have to "box/unbox" it with ffi.new_handle/fii.from_handle
http://cffi.readthedocs.org/en/release-0.8/#misc-methods-on-ffi -Michel On Wed, Nov 20, 2013 at 4:09 AM, Michael Haberler <[email protected]>wrote: > I'm stuck at passing 'self' as a timer callback argument: > > Class Test: > > @ffi.callback('zloop_fn') > def timer_event(loop, item, arg): > print type(loop), type(item), type(arg) > > def __init__(self): > ... > zloop.timer(self.loop, msec, 1, self.timer_event, self) > # this raises: TypeError: initializer for ctype 'void *' must be a > cdata pointer, not instance > > how do I coerce this into action? > > - Michael > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev >
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