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Fix T42372: demo addon in doc was not handling keymaps correctly during (un)registration. 

First, you should unregister in reverse order you registered your operators, keymaps, etc.
Second, when registering keymaps you have to check keyconfigs are actually available (they are not in background mode).
This commit is contained in:
Bastien Montagne 2014-10-26 10:01:03 +01:00
parent c8d10d115c
commit e5c13aebea
Notes: blender-bot 2023-02-14 09:54:12 +01:00 
Referenced by issue #42372, Keymap error when unregistering addons
1 changed files with 13 additions and 7 deletions
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20
doc/python_api/rst/info_tutorial_addon.rst
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@ -563,20 +563,26 @@ Bringing it all together
# handle the keymap
wm = bpy.context.window_manager
km = wm.keyconfigs.addon.keymaps.new(name='Object Mode', space_type='EMPTY')
kmi = km.keymap_items.new(ObjectCursorArray.bl_idname, 'SPACE', 'PRESS', ctrl=True, shift=True)
kmi.properties.total = 4
addon_keymaps.append((km, kmi))
# Note that in background mode (no GUI available), keyconfigs are not available either, so we have to check this
# to avoid nasty errors in background case.
kc = wm.keyconfigs.addon
if kc:
km = wm.keyconfigs.addon.keymaps.new(name='Object Mode', space_type='EMPTY')
kmi = km.keymap_items.new(ObjectCursorArray.bl_idname, 'SPACE', 'PRESS', ctrl=True, shift=True)
kmi.properties.total = 4
addon_keymaps.append((km, kmi))
def unregister():
bpy.utils.unregister_class(ObjectCursorArray)
bpy.types.VIEW3D_MT_object.remove(menu_func)
# Note: when unregistering, it's usually good practice to do it in reverse order you registered.
# Can avoid strange issues like keymap still referring to operators already unregistered...
# handle the keymap
for km, kmi in addon_keymaps:
km.keymap_items.remove(kmi)
addon_keymaps.clear()
bpy.utils.unregister_class(ObjectCursorArray)
bpy.types.VIEW3D_MT_object.remove(menu_func)
if __name__ == "__main__":
register()