Those unwrap operators are a bit tricky, some are available from both 3DView and UVEditor, others only from 3DView... Hacked around this by returning Mesh keymap for UV_OT ops for specific 3DView/MeshEditMode context.
Those unwrap operators are a bit tricky, some are available from both 3DView and UVEditor, others only from 3DView... Hacked around this by returning Mesh keymap for UV_OT ops for specific 3DView/MeshEditMode context.