# Path: blendergltf/exporters/base.py
# class BaseExporter:
#     gltf_key = ''
#     blender_key = ''
# 
#     @classmethod
#     def get_custom_properties(cls, blender_data):
#         custom_props = {
#             key: value.to_list() if hasattr(value, 'to_list') else value
#             for key, value in blender_data.items()
#             if key not in _IGNORED_CUSTOM_PROPS
#         }
# 
#         custom_props = {
#             key: value for key, value in custom_props.items()
#             if _is_serializable(value)
#         }
# 
#         return custom_props
# 
#     @classmethod
#     def check(cls, state, blender_data):
#         return True
# 
#     @classmethod
#     def default(cls, state, blender_data):
#         return {
#             'name': blender_data.name
#         }
# 
#     @classmethod
#     def export(cls, state, blender_data):
#         return {}
# 
# Path: blendergltf/exporters/common.py
# class Reference:
#     __slots__ = (
#         "blender_type",
#         "blender_name",
#         "source",
#         "prop",
#         "value",
#     )
# 
#     def __init__(self, blender_type, blender_name, source, prop):
#         self.blender_type = blender_type
#         self.blender_name = blender_name
#         self.source = source
#         self.prop = prop
#         self.value = None
# 
#     def __str__(self):
#         return json.dumps([self.blender_type, self.blender_name, self.value])
# 
# class SimpleID:
#     def __init__(self, name, data=None):
#         self.name = name
#         self.data = data
# 
# def get_bone_name(bone):
#     return '{}_{}'.format(bone.id_data.name, bone.name)


from distutils.version import StrictVersion as Version
from .base import BaseExporter
from .common import (
    Reference,
    SimpleID,
    get_bone_name,
)
                state['references'].append(bone)
            node['children'].extend(root_refs)

        (
            node['translation'],
            node['rotation'],
            node['scale']
        ) = decompose(blender_data.matrix_local)

        return node

    @classmethod
    def export_dupli_group(cls, state, dupli_group):
        group_sid = SimpleID(
            'dupli_group_{}.{}'.format(dupli_group.name, len(state['dupli_nodes']))
        )
        state['input']['dupli_ids'].append(group_sid)

        group_node = {
            'name': group_sid.name,
        }
        state['dupli_nodes'].append(group_node)

        dupli_nodes = [group_node]
        children = []

        for dupli_obj in dupli_group.objects:
            obj_node = cls.export(state, dupli_obj)
            state['dupli_nodes'].append(obj_node)


# Path: blendergltf/exporters/base.py
# class BaseExporter:
#     gltf_key = ''
#     blender_key = ''
# 
#     @classmethod
#     def get_custom_properties(cls, blender_data):
#         custom_props = {
#             key: value.to_list() if hasattr(value, 'to_list') else value
#             for key, value in blender_data.items()
#             if key not in _IGNORED_CUSTOM_PROPS
#         }
# 
#         custom_props = {
#             key: value for key, value in custom_props.items()
#             if _is_serializable(value)
#         }
# 
#         return custom_props
# 
#     @classmethod
#     def check(cls, state, blender_data):
#         return True
# 
#     @classmethod
#     def default(cls, state, blender_data):
#         return {
#             'name': blender_data.name
#         }
# 
#     @classmethod
#     def export(cls, state, blender_data):
#         return {}
# 
# Path: blendergltf/exporters/common.py
# class Reference:
#     __slots__ = (
#         "blender_type",
#         "blender_name",
#         "source",
#         "prop",
#         "value",
#     )
# 
#     def __init__(self, blender_type, blender_name, source, prop):
#         self.blender_type = blender_type
#         self.blender_name = blender_name
#         self.source = source
#         self.prop = prop
#         self.value = None
# 
#     def __str__(self):
#         return json.dumps([self.blender_type, self.blender_name, self.value])
# 
# class SimpleID:
#     def __init__(self, name, data=None):
#         self.name = name
#         self.data = data
# 
# def get_bone_name(bone):
#     return '{}_{}'.format(bone.id_data.name, bone.name)


# Path: blendergltf/exporters/node.py
from distutils.version import StrictVersion as Version
from .base import BaseExporter
from .common import (
    Reference,
    SimpleID,
    get_bone_name,
)

                state['references'].append(bone)
            node['children'].extend(root_refs)

        (
            node['translation'],
            node['rotation'],
            node['scale']
        ) = decompose(blender_data.matrix_local)

        return node

    @classmethod
    def export_dupli_group(cls, state, dupli_group):
        group_sid = SimpleID(
            'dupli_group_{}.{}'.format(dupli_group.name, len(state['dupli_nodes']))
        )
        state['input']['dupli_ids'].append(group_sid)

        group_node = {
            'name': group_sid.name,
        }
        state['dupli_nodes'].append(group_node)

        dupli_nodes = [group_node]
        children = []

        for dupli_obj in dupli_group.objects:
            obj_node = cls.export(state, dupli_obj)
            state['dupli_nodes'].append(obj_node)


            obj_sid = SimpleID(