there was a short discussion in #57 about the timing of postinitialize(), painting and get_args():

• Multiple paint layers #57 (comment)

... obviously, we can immediately close this issue here again if it doesn't make sense or makes things too complicated - but i'll repeat the question once more since it was off-topic in the PR:

i'm wondering if it might be an option to delay postinitialize() [...]. would this possibly allow to read the arguments via get_args() then?