At IKNL we started to develop a python package which wraps the OHDSI tools (DatabaseConnector, Circe, FeatureExtraction, etc) using the rpy2 library. We are still figuring out on how to make it the most pythonic ohdsi experience as we can. Happy to accept contributions, consider suggestions from the community.
https://github.com/vantage6/python-ohdsi
https://python-ohdsi.readthedocs.org
We started the development for coupling our federated learning framework vantage6 to OMOP data sources. Related post: Feature Extraction for vantage6 Federated Analysis - Developers - OHDSI Forums