Driver(bpy_struct)

base class — bpy_struct

class bpy.types.Driver(bpy_struct)

Driver for the value of a setting based on an external value

expression

Expression to use for Scripted Expression (default “”, never None)

Type:

str

is_simple_expression

The scripted expression can be evaluated without using the full Python interpreter (default False, readonly)

Type:

bool

is_valid

Driver could not be evaluated in past, so should be skipped (default True)

Type:

bool

type

Driver type (default 'AVERAGE')

Type:

Literal[‘AVERAGE’, ‘SUM’, ‘SCRIPTED’, ‘MIN’, ‘MAX’]

use_self

Include a ‘self’ variable in the name-space, so drivers can easily reference the data being modified (object, bone, etc…) (default False)

Type:

bool

variables

Properties acting as inputs for this driver (default None, readonly)

Type:

ChannelDriverVariables[DriverVariable]

classmethod bl_rna_get_subclass(id, default=None, /)
Parameters:
  • id (str) – The RNA type identifier.

  • default (bpy.types.Struct | None) – The value to return when not found.

Returns:

The RNA type or default when not found.

Return type:

bpy.types.Struct

classmethod bl_rna_get_subclass_py(id, default=None, /)
Parameters:
  • id (str) – The RNA type identifier.

  • default (type | None) – The value to return when not found.

Returns:

The class or default when not found.

Return type:

type

Inherited Properties

Inherited Functions

References