def validate(self) -> None:
"""Validate slot, raising exception on error."""
if not self._slot_dict:
raise SlotValidationError(slot_name=self.slot_name,
message="slot has no defined attributes")
if "interface" not in self._slot_dict:
raise SlotValidationError(slot_name=self.slot_name,
message="slot has no defined interface")
def validate(self) -> None:
"""Validate dbus slot. Raise exception if invalid."""
if not self.bus:
raise SlotValidationError(
slot_name=self.slot_name,
message="valid `bus` is required for dbus slot",
)
if not self.name:
raise SlotValidationError(
slot_name=self.slot_name,
message="valid `name` is required for dbus slot",
)
def validate(self) -> None:
"""Validate content slot, raising exception on error."""
if not self.read and not self.write:
raise SlotValidationError(
slot_name=self.slot_name,
message="`read` or `write` is required for slot",
)
def from_dict(cls, *, slot_dict: Dict[str, Any],
slot_name: str) -> "DbusSlot":
"""Instantiate DbusSlot from dict."""
if slot_dict.get("interface") != "dbus":
raise SlotValidationError(slot_name=slot_name,
message="invalid interface for DbusSlot")
if "bus" not in slot_dict:
raise SlotValidationError(slot_name=slot_name,
message="bus required for DbusSlot")
if "name" not in slot_dict:
raise SlotValidationError(slot_name=slot_name,
message="name required for DbusSlot")
return DbusSlot(slot_name=slot_name,
bus=slot_dict["bus"],
name=slot_dict["name"])