fastcs.attributes

Members

AttrHandlerR	Protocol for updating the cached readback value of an Attribute.
AttrHandlerRW	Protocol encapsulating both AttrHandlerR and AttHandlerW.
AttrHandlerW	Protocol for setting the value of an Attribute.
AttrMode	Access mode of an Attribute.
AttrR	A read-only Attribute.
AttrRW	A read-write Attribute.
AttrW	A write-only Attribute.
Attribute	Base FastCS attribute.
ONCE	Special value to indicate that an attribute should be updated once on start up.
SimpleAttrHandler	Handler for internal parameters

fastcs.attributes.ONCE = inf

Special value to indicate that an attribute should be updated once on start up.

class fastcs.attributes.AttrMode(value)

Access mode of an Attribute.

class fastcs.attributes.AttrHandlerW

Protocol for setting the value of an Attribute.

class fastcs.attributes.AttrHandlerR

Protocol for updating the cached readback value of an Attribute.

class fastcs.attributes.AttrHandlerRW

Protocol encapsulating both AttrHandlerR and AttHandlerW.

class fastcs.attributes.SimpleAttrHandler

Handler for internal parameters

class fastcs.attributes.Attribute(datatype: DataType[T], access_mode: AttrMode, group: str | None = None, handler: Any = None, description: str | None = None)

Base FastCS attribute.

Instances of this class added to a Controller will be used by the backend.

class fastcs.attributes.AttrR(datatype: DataType[T], access_mode=AttrMode.READ, group: str | None = None, handler: AttrHandlerR | None = None, initial_value: T | None = None, description: str | None = None)

A read-only Attribute.

class fastcs.attributes.AttrW(datatype: DataType[T], access_mode=AttrMode.WRITE, group: str | None = None, handler: AttrHandlerW | None = None, description: str | None = None)

A write-only Attribute.

class fastcs.attributes.AttrRW(datatype: DataType[T], access_mode=AttrMode.READ_WRITE, group: str | None = None, handler: AttrHandlerRW | None = None, initial_value: T | None = None, description: str | None = None)

A read-write Attribute.