#!/usr/bin/env python2 '''Serving dynamic images with Pandas and matplotlib (using flask).''' import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt import numpy as np import pandas as pd from cStringIO import StringIO import base64 from flask import Flask app = Flask(__name__) html = '''

''' @app.route("/") def hello(): df = pd.DataFrame( {'y':np.random.randn(10), 'z':np.random.randn(10)}, index=pd.period_range('1-2000',periods=10), ) fig = plt.figure() ax = fig.add_subplot(1, 1, 1) df.plot(ax=ax) io = StringIO() fig.savefig(io, format='png') data = base64.encodestring(io.getvalue()) return html.format(data) if __name__ == '__main__': app.run()