def make_meta(subtyp, description, tags, writeable=True, labels=None):
if subtyp == "enum":
if writeable:
widget_type = "combo"
else:
widget_type = "textupdate"
tags.append(widget(widget_type))
meta = ChoiceMeta(description, labels, tags)
elif subtyp == "bit":
if writeable:
widget_type = "checkbox"
else:
widget_type = "led"
tags.append(widget(widget_type))
meta = BooleanMeta(description, tags)
else:
if writeable:
widget_type = "textinput"
else:
widget_type = "textupdate"
tags.append(widget(widget_type))
if subtyp == "uint":
meta = NumberMeta("uint32", description, tags)
elif subtyp == "int":
meta = NumberMeta("int32", description, tags)
elif subtyp == "scalar":
meta = NumberMeta("float64", description, tags)
elif subtyp == "lut":
meta = StringMeta(description, tags)
elif subtyp in ("pos", "relative_pos"):
meta = NumberMeta("float64", description, tags)
else:
raise ValueError("Unknown subtype %r" % subtyp)
return meta
def _create_default_attributes(self):
# Add the state, status and busy attributes
self.state = ChoiceMeta("State of Block",
self.stateMachine.possible_states,
label="State").make_attribute()
yield "state", self.state, None
self.status = StringMeta("Status of Block",
label="Status").make_attribute()
yield "status", self.status, None
self.busy = BooleanMeta("Whether Block busy or not",
label="Busy").make_attribute()
yield "busy", self.busy, None
def create_attributes(self):
"""Method that should provide Attribute instances for Block
Yields:
tuple: (string name, Attribute, callable put_function).
"""
# Add the state, status and busy attributes
self.state = ChoiceMeta("State of Block",
self.stateMachine.possible_states,
label="State").make_attribute()
yield "state", self.state, None
self.status = StringMeta("Status of Block",
label="Status").make_attribute()
yield "status", self.status, None
self.busy = BooleanMeta("Whether Block busy or not",
label="Busy").make_attribute()
yield "busy", self.busy, None
def test_method_also_takes(self):
@method_takes("hello", StringMeta(), REQUIRED, "hello2", BooleanMeta(),
False)
class Thing(object):
pass
@method_also_takes("world", BooleanMeta(), REQUIRED, "hello2",
BooleanMeta(), True, "default", StringMeta(),
"nothing")
class Thing2(Thing):
pass
# Check original hasn't been modified
itakes = MapMeta()
elements = OrderedDict()
elements["hello"] = StringMeta()
elements["hello2"] = BooleanMeta()
itakes.set_elements(ElementMap(elements))
itakes.set_required(["hello"])
defaults = OrderedDict()
defaults["hello2"] = False
self.assertEqual(Thing.MethodMeta.takes.to_dict(), itakes.to_dict())
self.assertEqual(Thing.MethodMeta.returns.to_dict(),
MapMeta().to_dict())
self.assertEqual(Thing.MethodMeta.defaults, defaults)
# Check new one overrides/improves on original
itakes = MapMeta()
elements = OrderedDict()
elements["hello"] = StringMeta()
elements["hello2"] = BooleanMeta()
elements["world"] = BooleanMeta()
elements["default"] = StringMeta()
itakes.set_elements(ElementMap(elements))
itakes.set_required(["hello", "world"])
defaults = OrderedDict()
defaults["hello2"] = True
defaults["default"] = "nothing"
self.assertEqual(Thing2.MethodMeta.takes.to_dict(), itakes.to_dict())
self.assertEqual(Thing2.MethodMeta.returns.to_dict(),
MapMeta().to_dict())
self.assertEqual(Thing2.MethodMeta.defaults, defaults)
from malcolm.core import Part, method_takes, REQUIRED, MethodMeta
from malcolm.core.vmetas import StringMeta, NumberMeta, BooleanMeta
from malcolm.controllers.defaultcontroller import DefaultController
from malcolm.parts.ca.cothreadimporter import CothreadImporter
@method_takes(
"name", StringMeta("name of the created method"), REQUIRED, "description",
StringMeta("desc of created method"), REQUIRED, "pv",
StringMeta("full pv to write to when method called"), REQUIRED, "statusPv",
StringMeta("Status pv to see if successful"), None, "goodStatus",
StringMeta("Good value for status pv"), "", "value",
NumberMeta("int32", "value to write to pv when method called"), 1, "wait",
BooleanMeta("Wait for caput callback?"), True)
class CAActionPart(Part):
method = None
def __init__(self, process, params):
self.cothread, self.catools = CothreadImporter.get_cothread(process)
super(CAActionPart, self).__init__(process, params)
def create_methods(self):
# MethodMeta instance
self.method = MethodMeta(self.params.description)
# TODO: set widget tag?
yield self.params.name, self.method, self.caput
@DefaultController.Reset
def connect_pvs(self, _):
# make the connection in cothread's thread
pvs = [self.params.pv]
class LayoutPart(Part):
# Child block object
child = None
# {part_name: visible} saying whether part_name is visible
part_visible = None
# Layout options
x = 0
y = 0
visible = False
mri = None
name = None
def store_params(self, params):
self.name = params.name
self.child = self.process.get_block(params.child)
self.mri = params.child
self.part_visible = {}
@ManagerController.UpdateLayout
@method_takes("layout_table", layout_table_meta, REQUIRED, "outport_table",
outport_table_meta, REQUIRED)
@method_returns("mri", StringMeta("Malcolm full name of child block"),
REQUIRED, "x",
NumberMeta("float64",
"X Co-ordinate of child block"), REQUIRED, "y",
NumberMeta("float64", "X Co-ordinate of child block"),
REQUIRED, "visible",
BooleanMeta("Whether child block is visible"), REQUIRED)
def update_layout_table(self, task, params, returns):
for i, name in enumerate(params.layout_table.name):
_, _, x, y, visible = params.layout_table[i]
if name == self.name:
if self.visible and not visible:
self.sever_inports(task)
self.x = x
self.y = y
self.visible = visible
else:
was_visible = self.part_visible.get(name, True)
if was_visible and not visible:
self.sever_outports(task, name, params.outport_table)
self.part_visible[name] = visible
returns.mri = self.mri
returns.x = self.x
returns.y = self.y
returns.visible = self.visible
return returns
def _get_flowgraph_ports(self, direction="out"):
# {attr_name: port_tag}
ports = OrderedDict()
for attr_name in self.child.endpoints:
attr = self.child[attr_name]
if isinstance(attr, Attribute):
for tag in attr.meta.tags:
if tag.startswith("flowgraph:%sport" % direction):
ports[attr] = tag
return ports
def sever_inports(self, task):
inports = self._get_flowgraph_ports("in")
futures = []
for attr in inports:
futures += task.put_async(attr, attr.meta.choices[0])
task.wait_all(futures)
def sever_outports(self, task, name, outport_table):
# Find the outports of this part
# {outport_value: typ} e.g. "PCOMP.OUT" -> "bit"
outports = {}
for i, n in enumerate(outport_table.name):
if n == name:
outports[outport_table.value[i]] = outport_table.type[i]
inports = self._get_flowgraph_ports("in")
futures = []
for attr, port_tag in inports.items():
typ = port_tag.split(":")[2]
if outports.get(attr.value, None) == typ:
futures += task.put_async(attr, attr.meta.choices[0])
task.wait_all(futures)
@ManagerController.ListOutports
@method_returns("type",
StringArrayMeta("Type of outport (e.g. bit or pos)"),
REQUIRED, "value",
StringArrayMeta("Value of outport (e.g. PULSE1.OUT)"),
REQUIRED)
def list_outports(self, _, returns):
outports = self._get_flowgraph_ports("out")
types = []
values = []
for port_tag in outports.values():
_, _, typ, name = port_tag.split(":", 4)
types.append(typ)
values.append(name)
returns.type = types
returns.value = values
return returns
def setUp(self):
self.boolean_meta = BooleanMeta("test description")
from malcolm.parts.builtin.attributepart import AttributePart
from malcolm.core.vmetas import StringMeta, ChoiceMeta, BooleanMeta
from malcolm.controllers.defaultcontroller import DefaultController
from malcolm.parts.ca.cothreadimporter import CothreadImporter
from malcolm.tags import widget_types, inport, port_types
@method_takes(
"name", StringMeta("Name of the created attribute"), REQUIRED,
"description", StringMeta("Desc of created attribute"), REQUIRED,
"pv", StringMeta("Full pv of demand and default for rbv"), "",
"rbv", StringMeta("Override for rbv"), "",
"rbvSuff", StringMeta("Set rbv ro pv + rbv_suff"), "",
"widget", ChoiceMeta("Widget type", [""] + widget_types), "",
"inport", ChoiceMeta("Inport type", [""] + port_types), "",
"config", BooleanMeta("Should this field be loaded/saved?"), False)
class CAPart(AttributePart):
# Camonitor subscription
monitor = None
def __init__(self, process, params):
self.cothread, self.catools = CothreadImporter.get_cothread(process)
# Format for all caputs
self.ca_format = self.catools.FORMAT_TIME
super(CAPart, self).__init__(process, params)
def store_params(self, params):
if not params.rbv and not params.pv:
raise ValueError('Must pass pv or rbv')
if not params.rbv:
if params.rbvSuff:
from malcolm.core import Part, method_takes, REQUIRED
from malcolm.core.vmetas import StringMeta, BooleanMeta, ChoiceMeta
from malcolm.tags import widget_types, widget, config
@method_takes(
"name", StringMeta("Name of the created attribute"), REQUIRED,
"description", StringMeta("Desc of created attribute"), REQUIRED,
"widget", ChoiceMeta("Widget type", [""] + widget_types), "",
"writeable", BooleanMeta("Is the attribute writeable?"), False,
"config", BooleanMeta("Should this field be loaded/saved?"), False)
class AttributePart(Part):
# Attribute instance
attr = None
def create_attributes(self):
# Find the tags
tags = self.create_tags()
# Make a meta object for our attribute
meta = self.create_meta(self.params.description, tags)
# The attribute we will be publishing
initial_value = self.get_initial_value()
self.attr = meta.make_attribute(initial_value)
writeable_func = self.get_writeable_func()
yield self.params.name, self.attr, writeable_func
def create_meta(self, description, tags):
raise NotImplementedError()
def get_writeable_func(self):
if self.params.writeable:
def create_meta(self, description, tags):
return BooleanMeta(description=description, tags=tags)