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Set AttrW after Put in pva transport #292

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Merged
GDYendell merged 5 commits into from
Jan 14, 2026
Merged

Set AttrW after Put in pva transport #292

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c8f3f84
chore: set sync_setpoint to True after put
shihab-dls Dec 16, 2025
eceea0e
refactor: cast value depending on attrW datatype
shihab-dls Dec 16, 2025
9fcd28b
refactor: error on op.done if attr_w put fails
shihab-dls Jan 14, 2026
47e7858
Merge branch 'main' into sync_setpoit_after_put
shihab-dls Jan 14, 2026
f218649
refactor: switch around pv.post and op.done so setpoint is set before…
shihab-dls Jan 14, 2026
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6 changes: 5 additions & 1 deletion src/fastcs/transports/epics/pva/_pv_handlers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
from p4p.server.asyncio import SharedPV

from fastcs.attributes import Attribute, AttrR, AttrRW, AttrW
from fastcs.datatypes import Table
from fastcs.datatypes import Enum, Table
from fastcs.methods import CommandCallback
from fastcs.tracer import Tracer

Expand Down Expand Up @@ -49,6 +49,10 @@ async def put(self, pv: SharedPV, op: ServerOperation):
tracer.log_event("PV put", topic=self._attr_w, pv=pv, value=cast_value)
await self._attr_w.put(cast_value)
op.done()
if isinstance(self._attr_w.datatype, Enum):
pv.post(cast_to_p4p_value(self._attr_w, cast_value))
else:
pv.post(value)
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class CommandPvHandler:
Expand Down