Tiny UDPipe+Mystem-wrapper based on an official example
$ pip install git+https://github.com/detcorpus/udpiper
$ udpiper --help
$ wget -O ru-ud23.udpipe "https://lindat.mff.cuni.cz/repository/xmlui/bitstream/handle/11234/1-2898/russian-syntagrus-ud-2.3-181115.udpipe?sequence=71&isAllowed=y"
$ udpiper -m ru-ud23.udpipe -i *.txtfrom udpiper import UDPiper
pipe = UDPiper('ru-ud23.udpipe') # path to model file
conllu = pipe.process(text)