Alas I have discovered a regression (against 2.3) in the handling of string arguments to caput() in the 2.6 cothread.catools release. I've now made a 2.7 release with special handling for string arguments: unless datatype is explicitly specified in caput(), single string arguments are again sent as strings for IOC side conversion. In particular, you can again call
caput('ENUMPV', 'string value')
without having to specify datatype=str (or, equivalently, datatype=DBR_STRING).
From: Abbott, Michael (DLSLtd,RAL,DIA) Mon 26/03/2012 09:41
> I have just released version 2.6 of the cothread.catools Python Channel
> Access bindings, this can be downloaded from
> http://controls.diamond.ac.uk/downloads/python/cothread/
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