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Handle unsupported Waveforms with warning messages #316

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Handle unsupported Waveforms with warning messages #316

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12 changes: 11 additions & 1 deletion src/fastcs/transports/epics/ca/ioc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@

from fastcs.attributes import AttrR, AttrRW, AttrW
from fastcs.datatypes import DataType, DType_T
from fastcs.datatypes.waveform import Waveform
from fastcs.logging import bind_logger
from fastcs.methods import Command
from fastcs.tracer import Tracer
Expand Down Expand Up @@ -131,8 +132,17 @@ def _create_and_link_attribute_pvs(
pv_prefix = controller_pv_prefix(root_pv_prefix, controller_api)

for attr_name, attribute in controller_api.attributes.items():
pv_name = snake_to_pascal(attr_name)
if (
isinstance(attribute.datatype, Waveform)
and len(attribute.datatype.shape) > 1
):
logger.warning(
"Only 1D Waveform attributes are supported in EPICS CA transport",
attribute=attribute,
)
continue

pv_name = snake_to_pascal(attr_name)
full_pv_name_length = len(f"{pv_prefix}:{pv_name}")
if full_pv_name_length > EPICS_MAX_NAME_LENGTH:
attribute.enabled = False
Expand Down