AlexFrazer/doStuff.js

## doStuff.js
$.getJSON('/get_some_json', function(json_data) {
  $('#my_rendering_div') {
    // render my content
  }
});

## flashy.py
@app.route('/')
def index():
  return redirect(url_for('date_index'), date=datetime.now().strftime('%Y%m')

@app.route('/<date>')
def date_index(date=None):
  return render_template('template.html')

@app.route('/get_some_json/<date>')
def get_some_json(date=None):
  data = get_data
  try:
    ...
  except KeyError as e:
    k = datetime.strptime(sorted(date.keys(), reverse=True)[0], '%Y%m')
    log.warning(str(e))
    flash('invalid date entered. Redirecting you to: ', k.strftime('%B, %Y')
    return redirect(url_for('get_some_json', date=k.strftime('%Y%m')

## template.html
<html>
<head>
  <!-- links -->
</head>
<body>
  <div> <!-- navbar --> </div>
  <div class="container">
    <div id="my_rendering_div">
      <img src="loady.gif"/>
      {% with messages = get_flashed_messages() %}
        {% if messages %}
          <ul class="flashes">
          {% for message in messages %}
            <li>{{ message }}</li>
          {% endfor %}
          </ul>
        {% endif %}
      {% endwith %}
    </div>
  </div>
</body>
</html>
	$.getJSON('/get_some_json', function(json_data) {
	$('#my_rendering_div') {
	// render my content
	}
	});
	@app.route('/')
	def index():
	return redirect(url_for('date_index'), date=datetime.now().strftime('%Y%m')

	@app.route('/<date>')
	def date_index(date=None):
	return render_template('template.html')

	@app.route('/get_some_json/<date>')
	def get_some_json(date=None):
	data = get_data
	try:
	...
	except KeyError as e:
	k = datetime.strptime(sorted(date.keys(), reverse=True)[0], '%Y%m')
	log.warning(str(e))
	flash('invalid date entered. Redirecting you to: ', k.strftime('%B, %Y')
	return redirect(url_for('get_some_json', date=k.strftime('%Y%m')
	<html>
	<head>
	<!-- links -->
	</head>
	<body>
	<div> <!-- navbar --> </div>
	<div class="container">
	<div id="my_rendering_div">
	<img src="loady.gif"/>
	{% with messages = get_flashed_messages() %}
	{% if messages %}
	<ul class="flashes">
	{% for message in messages %}
	<li>{{ message }}</li>
	{% endfor %}
	</ul>
	{% endif %}
	{% endwith %}
	</div>
	</div>
	</body>
	</html>