__init__.py 文件源码

def register():
    from bpy.utils import register_class
    for mod in _modules_loaded:
        for cls in mod.classes:
            register_class(cls)

    # space_userprefs.py
    from bpy.props import StringProperty, EnumProperty
    from bpy.types import WindowManager

    def addon_filter_items(self, context):
        import addon_utils

        items = [('All', "All", "All Add-ons"),
                 ('User', "User", "All Add-ons Installed by User"),
                 ('Enabled', "Enabled", "All Enabled Add-ons"),
                 ('Disabled', "Disabled", "All Disabled Add-ons"),
                 ]

        items_unique = set()

        for mod in addon_utils.modules(refresh=False):
            info = addon_utils.module_bl_info(mod)
            items_unique.add(info["category"])

        items.extend([(cat, cat, "") for cat in sorted(items_unique)])
        return items

    WindowManager.addon_search = StringProperty(
            name="Search",
            description="Search within the selected filter",
            options={'TEXTEDIT_UPDATE'},
            )
    WindowManager.addon_filter = EnumProperty(
            items=addon_filter_items,
            name="Category",
            description="Filter add-ons by category",
            )

    WindowManager.addon_support = EnumProperty(
            items=[('OFFICIAL', "Official", "Officially supported"),
                   ('COMMUNITY', "Community", "Maintained by community developers"),
                   ('TESTING', "Testing", "Newly contributed scripts (excluded from release builds)")
                   ],
            name="Support",
            description="Display support level",
            default={'OFFICIAL', 'COMMUNITY'},
            options={'ENUM_FLAG'},
            )
    # done...