old_contents: import flask
  
  import mmstats
  
  
  application = app = flask.Flask(__name__)
  app.config['DEBUG'] = True
  
  
  class Stats(mmstats.MmStats):
      ok = mmstats.CounterField(label="mmstats.example.ok")
      bad = mmstats.CounterField(label="mmstats.example.bad")
      working = mmstats.BoolField(label="mmstats.example.working")
  
  stats = Stats()
  
  
  def set_working(sender):
      stats.working = True
  flask.request_started.connect(set_working, app)
  
  def unset_working(sender, response):
      stats.working = False
  flask.request_finished.connect(unset_working, app)
  
  def inc_response(sender, response):
      if response.status_code == 200:
          stats.ok.inc()
      elif response.status_code == 500:
          stats.bad.inc()
  flask.request_finished.connect(inc_response, app)
  
  
  @app.route('/200')
  def ok():
      return 'OK'
  
  
  @app.route('/500')
  def bad():
      return 'oh noes!', 500
  
  
  @app.route('/status')
  def status():
      return """\
  <html>
      <body>
          <pre>
              ok:      %s
              bad:     %s
              working: %s
          </pre>
      </body>
  </html>""" % (stats.ok, stats.bad, stats.working)
  
  
  if __name__ == '__main__':
      app.run(host='0.0.0.0', port=5001)
  
new_contents: import flask
  
  import mmstats
  
  
  application = app = flask.Flask(__name__)
  app.config['DEBUG'] = True
  
  
  class Stats(mmstats.MmStats):
      ok = mmstats.CounterField(label="mmstats.example.ok")
      bad = mmstats.CounterField(label="mmstats.example.bad")
      working = mmstats.BoolField(label="mmstats.example.working")
  
  stats = Stats()
  
  
  def set_working(sender):
      stats.working = True
  flask.request_started.connect(set_working, app)
  
  def unset_working(sender, response):
      stats.working = False
  flask.request_finished.connect(unset_working, app)
  
  def inc_response(sender, response):
      if response.status_code == 200:
          stats.ok.inc()
      elif response.status_code == 500:
          stats.bad.inc()
  flask.request_finished.connect(inc_response, app)
  
  
  @app.route('/')
  def ok():
      return "OK or see /status for a single process's status"
  
  
  @app.route('/500')
  def bad():
      return 'oh noes!', 500
  
  
  @app.route('/status')
  def status():
      return """\
  <html>
      <body>
          <pre>
              ok:      %s
              bad:     %s
              working: %s
          </pre>
      </body>
  </html>""" % (stats.ok, stats.bad, stats.working)
  
  
  if __name__ == '__main__':
      app.run(host='0.0.0.0', port=5001)
  
subject: Make the default OK page in the flask example obvious to find