denormalized 0.0.8

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denormalized-python

Python bindings for denormalized

Denormalized is a single node stream processing engine written in Rust. This directory contains the bindings for building pipelines using python.

Getting Started

1. Install denormalized pip install denormalized
2. Start the custom docker image that contains an instance of kafka along with with a script that emits some sample data to kafka docker run --rm -p 9092:9092 emgeee/kafka_emit_measurements:latest
3. Copy the stream_aggregate.py example

This script will connect to the kafka instance running in docker and aggregate the metrics in realtime.

There are several other examples in the examples/ folder that demonstrate other capabilities including stream joins and UDAFs.

Development

Make sure you're in the py-denormalized/ directory.

We currently use rye to manage python dependencies. rye sync to create/update the virtual environment

We use maturin for developing and building:

• maturin develop - build and install the python bindings into the current venv
• Run ipython, then import the library: from denormalized import *
• maturin build - compile the library