Python Simple Flask Redis Tutorial

Posted by Shiva on 02:31 in Flask, PYTHON, Redis | No comments

A simple Flask Redis Tutorial

Install requirements : flask, redis

• Install virtual environment:  sudo apt-get install python3-venv

• Creating the python virtual environment:  python3 -m venv venv

• Add the root of the repository to the python path upon virtual environment activation: echo "$(pwd)/src" > redis-venv/lib/python3.5/site-packages/MY_VENV_PYTHONPATH.pth

• Activate your python virtual environment:  . venv/bin/activate  Note: To remove the virtual environment from your shell: deactivate

• Installing required python modules from newly created virtual environment:  Activate your python virtual environment if not already active.  pip install -r requirement.txt

• Run the app  python app.py

Flask Redis sample application Git Source Code

from flask import Flask, jsonify

import redis

import json

app = Flask("redis")

@app.route("/")

def index():    

    #value to save in redis 

    value_to_set = "shiva"

    #set value to key

    redis_db.set('name', value_to_set)   

    return json.dumps(redis_db.keys())

if __name__ == "__main__":

    redis_db = redis.StrictRedis(host="localhost", port=6379, db=0)

    app.run(port=15420)