new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  """
  Examples for Python-nvd3 is a Python wrapper for NVD3 graph library.
  NVD3 is an attempt to build re-usable charts and chart components
  for d3.js without taking away the power that d3.js gives you.
  
  Project location : https://github.com/areski/python-nvd3
  """
  
  from nvd3 import cumulativeLineChart
  import random
  import datetime
  import time
  
  
  start_time = int(time.mktime(datetime.datetime(2012, 6, 1).timetuple()) * 1000)
  nb_element = 100
  
  #Open File for test
  output_file = open('test_cumulativeLineChart.html', 'w')
  
  type = "cumulativeLineChart"
  chart = cumulativeLineChart(name=type, height=350, date=True)
  chart.set_containerheader("\n\n<h2>" + type + "</h2>\n\n")
  
  xdata = list(range(nb_element))
  xdata = [start_time + x * 1000000000 for x in xdata]
  ydata = [i + random.randint(1, 10) for i in range(nb_element)]
  ydata2 = [x * 2 for x in ydata]
  
  extra_serie = {"tooltip": {"y_start": "", "y_end": " Calls"}}
  chart.add_serie(name="Count", y=ydata, x=xdata, extra=extra_serie)
  extra_serie = {"tooltip": {"y_start": "", "y_end": " Min"}}
  chart.add_serie(name="Duration", y=ydata2, x=xdata, extra=extra_serie)
  
  chart.buildhtml()
  
  output_file.write(chart.htmlcontent)
  #---------------------------------------
  
  #close Html file
  output_file.close()
  
subject: add example cumulativeLineChart