multi-user/multi_user/io_bpy/bl_node_group.py

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#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
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#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
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#   You should have received a copy of the GNU General Public License
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import bpy
import mathutils

from .dump_anything import Dumper, Loader, np_dump_collection, np_load_collection
from .bl_datablock import BlDatablock
from .bl_material import (dump_node_tree,
                          load_node_tree,
                          get_node_tree_dependencies)

class BlNodeGroup(BlDatablock):
    bl_id = "node_groups"
    bl_class = bpy.types.NodeTree
    bl_check_common = False
    bl_icon = 'NODETREE'
    bl_reload_parent = False

    def construct(data: dict) -> object:
        return bpy.data.node_groups.new(data["name"], data["type"])

    def load(data: dict, datablock: object):
        load_node_tree(data, target)

    def dump(datablock: object) -> dict:
        return dump_node_tree(instance)

    @staticmethod
    def resolve_deps(datablock: object) -> [object]:
        return get_node_tree_dependencies(datablock)