@Boris Demerov I guess we are both data scientists. Storm comes with Python and Ruby. The right place to start is src/storm.thrift. Since Storm topologies are just Thrift structures, and Nimbus is a Thrift daemon, you can create and submit topologies in any language. Here's a specification of the protocol: Multilang protocol. The thrift structure lets you define multilang components explicitly as a program and a script, e.g., python and the file implementing your bolt. Multilang uses json messages over stdin/stdout to communicate with the sub-process. Python supports emitting, anchoring, acking, and logging. Storm "shell" command makes constructing jar and uploading to nimbus easy. Here is a good reference: https://docs.microsoft.com/en-us/azure/hdinsight/storm/apache-storm-develop-python-topology ... View more