flask_plotting.py

from flask import Flask, make_response
import matplotlib.pyplot as plt
import StringIO
import numpy as np

app = Flask(__name__)

@app.route('/plots/<f>')
def show_user_profile(f):

    f = int(f)
    
    x= np.linspace(0,1,100)
    y= np.sin(2*np.pi*x*f)

    fig = plt.figure()

    plt.plot(x, y)

    output = StringIO.StringIO()
    fig.savefig(output)

    response = make_response(output.getvalue())
    response.mimetype = 'image/png'
    return response

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8888)