blender/release/scripts/modules/extensions_framework/plugin.py

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# -*- coding: utf8 -*-
#
# ***** BEGIN GPL LICENSE BLOCK *****
#
# --------------------------------------------------------------------------
# Blender 2.5 Extensions Framework
# --------------------------------------------------------------------------
#
# Authors:
# Doug Hammond
#
# 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 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
# ***** END GPL LICENCE BLOCK *****
#
from . import init_properties
from . import log
import bpy
class plugin(object):
# List of IDPropertyGroup types to create in the scene
property_groups = [
# ('bpy.type prototype to attach to. eg. Scene', <declarative_property_group type>)
]
@classmethod
def install(r_class):
# create custom property groups
for property_group_parent, property_group in r_class.property_groups:
call_init = False
if property_group_parent is not None:
prototype = getattr(bpy.types, property_group_parent)
if not hasattr(prototype, property_group.__name__):
init_properties(prototype, [{
'type': 'pointer',
'attr': property_group.__name__,
'ptype': property_group,
'name': property_group.__name__,
'description': property_group.__name__
}])
call_init = True
#print('Created IDPropertyGroup %s.%s' % (prototype, property_group.__name__))
else:
call_init = True
if call_init:
init_properties(property_group, property_group.properties)
#print('Initialised IDPropertyGroup %s' % property_group.__name__)
log('Render Engine "%s" initialised' % r_class.bl_label)
@classmethod
def uninstall(r_class):
# unregister property groups in reverse order
reverse_property_groups = [p for p in r_class.property_groups]
reverse_property_groups.reverse()
for property_group_parent, property_group in reverse_property_groups:
prototype = getattr(bpy.types, property_group_parent)
prototype.RemoveProperty(property_group.__name__)