add support ota

hc

2023-02-18 a08c8b75ee83d7f62c9aefc23bfb42082aa4076c

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# md5 from https://pypi.python.org/pypi/bottle/json, sha256 locally computed
md5    d2fe1b48c1d49217e78bf326b1cad437  bottle-0.12.13.tar.gz
sha256    39b751aee0b167be8dffb63ca81b735bbf1dd0905b3bc42761efedee8f123355  bottle-0.12.13.tar.gz