Flask Weather Analytics App

Requirements:

• Redis server running (for rq workers)
• Python 3.9+
• A weather API key (OpenWeatherMap recommended).
• Set WEATHER_API_KEY env var.

Install:

$ python -m venv .venv

$ source .venv/bin/activate

$ pip install -r requirements.txt

Environment variables:

• WEATHER_API_KEY : your weather API key
• WEATHER_CITY : default city (optional)
• DATABASE_URL : optional (default sqlite:///weather.db)
• REDIS_URL : redis://localhost:6379/

Run the app:

$ export FLASK_APP=src/app.py

$ flask run

Start the RQ worker (in separate terminal):

$ python worker.py

Fetch from the web UI (POST /fetch) or use Python to enqueue:

from tasks import enqueue_fetch_weather

enqueue_fetch_weather('London')

Run tests:

$ pytest -q

Notes:

• For production, configure proper secret key and production-ready DB.