Generate QRcode using Python

Generate QRcode using Python

Step 1: Download and Install Python

Step 2: Open CMD prompt and run the following command to install flask and pyqrcode module

>> pip install flask

>> pip install pyqrcode

Step 3: Open the new text document and place the following code

import io

from flask import Flask, send_file, request

import pyqrcode

app=Flask(__name__)

@app.route('/qrcode', methods=['GET'])

def search_data():

    query = request.args.get('query', '')

    qr = pyqrcode.create(query)

    qr.png(query+'.png', scale=3)

    with open(query+'.png', 'rb') as bites:

        return send_file(

                     io.BytesIO(bites.read()),

                     attachment_filename=query+'.png',

                     mimetype='image/png'

               )

if __name__ == "__main__":

    app.run(debug=True)  

Step 4: Save the file in .py format. (e.g. file_nm.py)

Step 5: Deploy this python web app in Restful web service.