def is_beamline_mode(pv_name):
"""
Args:
pv_name: name of the pv
Returns: True if this the beamline mode pv
"""
pv_name_no_val = remove_from_end(pv_name, VAL_FIELD)
return pv_name_no_val == BEAMLINE_MODE or pv_name_no_val == BEAMLINE_MODE + SP_SUFFIX
def is_param(self, pv_name):
"""
Args:
pv_name: name of the pv
Returns:
True if the pv is a pv for beamline parameter
"""
return remove_from_end(pv_name, VAL_FIELD) in self._params_pv_lookup
def _get_base_param_pv(self, pv_name):
"""
Args:
pv_name: name of pv for which to get the base pv
Returns:
(str): base parameter pv stripped of any fields / suffixes
"""
for field in ALL_PARAM_SUFFIXES:
pv_name = remove_from_end(pv_name, field)
return pv_name
def is_pv_name_this_field(field_name, pv_name):
"""
Args:
field_name: field name to match
pv_name: pv name to match
Returns: True if field name is pv name (with oe without VAL field)
"""
pv_name_no_val = remove_from_end(pv_name, VAL_FIELD)
return pv_name_no_val == field_name
def strip_fields_from_pv(self, pv_name):
"""
Remove suffixes for fields from the end of a given PV.
Args:
pv_name: name of the pv
Returns: The PV name with any of the known field suffixes stripped off the end.
"""
for field in [VAL_FIELD, STAT_FIELD, SEVR_FIELD, DISP_FIELD]:
pv_name = remove_from_end(pv_name, field)
return pv_name