new_contents: from flask_table import Table, Col, LinkCol
  from flask import Flask
  
  """A example for creating a simple table within a working Flask app.
  
  Our table has just two columns, one of which shows the name and is a
  link to the item's page. The other shows the description.
  
  """
  
  app = Flask(__name__)
  
  
  class ItemTable(Table):
      name = LinkCol('Name', 'single_item', url_kwargs=dict(id='id'), attr='name')
      description = Col('Description')
  
  
  @app.route('/')
  def index():
      items = Item.get_elements()
      table = ItemTable(items)
  
      # You would usually want to pass this out to a template with
      # render_template.
      return table.__html__()
  
  
  @app.route('/item/<int:id>')
  def single_item(id):
      element = Item.get_element_by_id(id)
      # Similarly, normally you would use render_template
      return '<h1>{}</h1><p>{}</p><hr><small>id: {}</small>'.format(
          element.name, element.description, element.id)
  
  
  class Item(object):
      """ a little fake database """
      def __init__(self, id, name, description):
          self.id = id
          self.name = name
          self.description = description
  
      @classmethod
      def get_elements(cls):
          return [
              Item(1, 'Z', 'zzzzz'),
              Item(2, 'K', 'aaaaa'),
              Item(3, 'B', 'bbbbb')]
  
      @classmethod
      def get_element_by_id(cls, id):
          return [i for i in cls.get_elements() if i.id == id][0]
  
  
  if __name__ == '__main__':
      app.run(debug=True)
  
subject: Add example for simple table within a flask app