Experimental Physics and
Industrial Control System

Niko Kivel via Core-talk <core-talk at aps.anl.gov> · Fri, 27 Aug 2021 19:11:59 -0000

>
>
> > I'd be perfectly happy with a replacement mechanism. I.e. upon adding a
> PV
> > to the group, replace non-supported characters with '_'.
>
> QSRV does not compute group or member names automatically.  So I think
> this is a request for whatever person or tool is creating the group
> definition JSON for you.
>

no tool, simple substitution + template
https://github.com/paulscherrerinstitute/ecmccfg/blob/pva/db/Beckhoff_1XXX/ecmcEL1008.substitutions
https://github.com/paulscherrerinstitute/ecmccfg/blob/pva/db/generic/ecmc_binaryInput-chX.template

in this case there is no suffix, but you get the idea.

> > There are potentially hundreds of PVs to add to pva-groups.
>
> Hundreds?  Please let us know how this works out.

What exactly do you want to know? I assume that pva/QRSV is tested and
benchmarked? I even more desperately hope that this was done with more than
just 'hundreds' of fields in groups!

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https://bugs.launchpad.net/bugs/1935037

Title:
  Invalid charactor in field name

Status in EPICS Base:
  New

Bug description:
  When creating a group in QSRV, the allowed characters are too
  restrictive

  error:
  Error Group not created: Invalid charactor '-' (45) in field name "BI02-TimeRise" must be A-Z, a-z, 0-9, or '_'

  expected behaviour:
  pva structures should allow for a more liberal set of characters that just what is covered by \w regex metacharacter.

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System