Numeri/main.py

# based on https://gist.github.com/rduplain/1641344
 
import random
import io
 
from flask import Flask, make_response, request
from matplotlib.backends.backend_agg import FigureCanvasAgg as FigureCanvas
from matplotlib.figure import Figure
 
app = Flask(__name__)

@app.route('/')
def root() :
    return "<form action='/plot.png' method='post'><input type='text' name='data'><input type='submit' value='submit'>"

@app.route('/plot.png', methods = ['GET', 'POST'])
def plot() :
    fig = Figure()
    axis = fig.add_subplot(1, 1, 1)
 
    if request.method == 'GET' :
        xs = range(100)
        ys = [random.randint(1, 50) for x in xs]
    
    if request.method == 'POST' :
        ys = map( float, request.form['data'].strip().split(',') )
        xs = range(len(ys))

    axis.plot(xs, ys)
    canvas = FigureCanvas(fig)
    output = io.BytesIO()
    canvas.print_png(output)
    response = make_response(output.getvalue())
    response.mimetype = 'image/png'
    return response

 
if __name__ == '__main__':
    app.run(debug=True, port=5002)

# from flaskapp import *
# from plots import Cijferlijst

# import matplotlib.pyplot as plt
# from datetime import datetime
# import matplotlib.dates as mdates

# if __name__ == "__main__":
#     cf = Cijferlijst()
#     data = cf.GetSubjectByYear("godsdienst", "2010/2011")

#     #Get dates and convert them to actual dates
#     x = data['Datum invoer(Voortgangsdossier)']
#     x = [datetime.strptime(date, "%d-%m-%Y") for date in x]
    
#     y = data['Cijfer(Voortgangsdossier)']
#     y = [float(line.replace(",", ".")) for line in y]
#     RunWeb()