Process IIoT Sensor Streams at the Edge with Bytewax and Polars

                      
                      from typing import Dict, Any
import os
import asyncio
import polars as pl
from bytewax import Dataflow, run

# Configuration
API_KEY = os.getenv('API_KEY')
SENSOR_STREAM_URL = os.getenv('SENSOR_STREAM_URL')

# Initialize Bytewax Dataflow

async def fetch_sensor_data() -> pl.DataFrame:
    # Simulate fetching data from IIoT sensor streams
    try:
        data = await asyncio.sleep(1, result=[{'temperature': 22.5, 'humidity': 60}])
        return pl.from_records(data)
    except Exception as e:
        print(f'Error fetching data: {e}')
        return pl.DataFrame()

# Define Bytewax dataflow

def build_dataflow() -> Dataflow:
    flow = Dataflow()
    flow.map(fetch_sensor_data)
    return flow

# Core logic to process data
async def process_data() -> None:
    flow = build_dataflow()
    await run(flow)

if __name__ == '__main__':
    asyncio.run(process_data())