def _read_axis_value(self, element):
def is_chunk(type_, obj):
if not is_non_str_seq(obj):
return False
if type_ == ElementType.CTExpChannel:
return True
elif type_ == ElementType.OneDExpChannel:
# empty list is also considered as chunk
if len(obj) == 0 or not is_number(obj[0]):
return True
elif type_ == ElementType.TwoDExpChannel:
# empty list is also considered as chunk
if len(obj) == 0 or not is_number(obj[0][0]):
return True
return False
try:
axis = element.get_axis()
type_ = element.get_type()
ctrl_value = self.ctrl.ReadOne(axis)
if ctrl_value is None:
msg = '%s.ReadOne(%s[%d]) return error: Expected value(s), ' \
'got None instead' % (self.name, element.name, axis)
raise ValueError(msg)
if is_chunk(type_, ctrl_value):
value = [translate_ctrl_value(v) for v in ctrl_value]
else:
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
def calc_all(self, values):
ctrl = self.ctrl
try:
ctrl_value = ctrl.CalcAll(values)
if ctrl_value is None:
msg = "%s.CalcAll() return error: Expected value, " "got None instead" % (self.name,)
raise ValueError(msg)
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
def calc_physical(self, axis, pseudo_pos, curr_physical_pos):
ctrl = self.ctrl
try:
ctrl_value = ctrl.CalcPhysical(axis, pseudo_pos, curr_physical_pos)
if ctrl_value is None:
msg = "%s.CalcPhysical() return error: Expected value, " "got None instead" % (self.name,)
raise ValueError(msg)
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
def calc_all(self, values):
ctrl = self.ctrl
try:
ctrl_value = ctrl.CalcAll(values)
if ctrl_value is None:
msg = '%s.CalcAll() return error: Expected value, ' \
'got None instead' % (self.name,)
raise ValueError(msg)
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
def calc_physical(self, axis, pseudo_pos, curr_physical_pos):
ctrl = self.ctrl
try:
ctrl_value = ctrl.CalcPhysical(axis, pseudo_pos, curr_physical_pos)
if ctrl_value is None:
msg = '%s.CalcPhysical() return error: Expected value, ' \
'got None instead' % (self.name,)
raise ValueError(msg)
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
def _read_axis_value(self, element):
try:
axis = element.get_axis()
ctrl_value = self.ctrl.ReadOne(axis)
if ctrl_value is None:
msg = '%s.ReadOne(%s[%d]) return error: Expected value, ' \
'got None instead' % (self.name, element.name, axis)
raise ValueError(msg)
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
def _read_axis_value_refs(self, element):
def is_chunk(obj):
if is_non_str_seq(obj):
return True
return False
try:
axis = element.get_axis()
ctrl_value = self.ctrl.RefOne(axis)
if ctrl_value is None:
msg = ('%s.RefOne(%s[%d]) return error: Expected value '
'ref(s), got None instead' %
(self.name, element.name, axis))
raise ValueError(msg)
if is_chunk(ctrl_value):
value = [translate_ctrl_value(v) for v in ctrl_value]
else:
value = translate_ctrl_value(ctrl_value)
except Exception:
value = SardanaValue(exc_info=sys.exc_info())
return value
def _read_axis_value(self, element):
try:
axis = element.get_axis()
ctrl_value = self.ctrl.ReadOne(axis)
if ctrl_value is None:
msg = "%s.ReadOne(%s[%d]) return error: Expected value, " "got None instead" % (
self.name,
element.name,
axis,
)
raise ValueError(msg)
value = translate_ctrl_value(ctrl_value)
except:
value = SardanaValue(exc_info=sys.exc_info())
return value
