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genie_python: Disconnected blocks should have None as value #1662

Closed John-Holt-Tessella closed 8 years ago

John-Holt-Tessella commented 8 years ago

As a python user when I cget a disconnected block I want its value to be None and I want to be able to query a connected property on the dictionary.

NB this should relate to other showing values too.

AdrianPotter commented 8 years ago

Works as advertised, thanks. For consistency though, if a block is not under run control then shouldn't its high and low limits also be None? Perhaps that's not EPICS-y, or maybe it would crash existing scripts, but I feel it's worth asking the question.

AdrianPotter commented 8 years ago

Captured under #1643