def copy_custom_properties(src, dest, *, prefix='', dest_prefix='', link_driver=False, overridable=True):
"""Copy custom properties with filtering by prefix. Optionally link using drivers."""
res = []
exclude = {'_RNA_UI', 'rigify_parameters', 'rigify_type'}
for key, value in src.items():
if key.startswith(prefix) and key not in exclude:
new_key = dest_prefix + key[len(prefix):]
info = rna_idprop_ui_prop_get(src, key, create=False)
if src != dest or new_key != key:
dest[new_key] = value
if info:
info2 = rna_idprop_ui_prop_get(dest, new_key, create=True)
for ki, vi in info.items():
info2[ki] = vi
if link_driver:
make_driver(src, quote_property(key), variables=[(dest.id_data, dest, new_key)])
if overridable:
dest.property_overridable_library_set(quote_property(new_key), True)
res.append((key, new_key, value, info))
return res
def copy_custom_properties(src, dest, *, prefix='', dest_prefix='', link_driver=False, overridable=True):
"""Copy custom properties with filtering by prefix. Optionally link using drivers."""
res = []
# Exclude addon-defined properties.
exclude = {prop.identifier for prop in src.bl_rna.properties if prop.is_runtime}
for key, value in src.items():
if key.startswith(prefix) and key not in exclude:
new_key = dest_prefix + key[len(prefix):]
try:
ui_data_src = src.id_properties_ui(key)
except TypeError:
# Some property types, eg. Python dictionaries
# don't support id_properties_ui.
continue
if src != dest or new_key != key:
dest[new_key] = value
dest.id_properties_ui(new_key).update_from(ui_data_src)
if link_driver:
make_driver(src, quote_property(key), variables=[(dest.id_data, dest, new_key)])
if overridable:
dest.property_overridable_library_set(quote_property(new_key), True)
res.append((key, new_key, value))
return res
def _init_driver_target(drv_target, var_info, target_id):
"""Initialize a driver variable target from a specification."""
# Parse the simple list format for the common case.
if isinstance(var_info, tuple):
# [ (target_id,) subtarget, ...path ]
# If target_id is supplied as parameter, allow omitting it
if target_id is None or isinstance(var_info[0], bpy.types.ID):
target_id, subtarget, *refs = var_info
else:
subtarget, *refs = var_info
subtarget = force_lazy(subtarget)
# Simple path string case.
if len(refs) == 0:
# [ (target_id,) path_str ]
path = subtarget
else:
# If subtarget is a string, look up a bone in the target
if isinstance(subtarget, str):
subtarget = target_id.pose.bones[subtarget]
if subtarget == target_id:
path = ''
else:
path = subtarget.path_from_id()
# Use ".foo" type path items verbatim, otherwise quote
for item in refs:
if isinstance(item, str):
path += item if item[0] == '.' else quote_property(item)
else:
path += '[%r]' % (item)
if path[0] == '.':
path = path[1:]
drv_target.id = target_id
drv_target.data_path = path
else:
# { 'id': ..., ... }
target_id = var_info.get('id', target_id)
if target_id is not None:
drv_target.id = target_id
for tp, tv in var_info.items():
setattr(drv_target, tp, force_lazy(tv))