A simple class to include blocks of code in a template for bottle.py

bottle_block.py

class Block:
  '''
  A simple block class for Bottle templates.
  Usage:
  
  Pass a named block into your template by returning it from an action:
  
    return dict(scripts = Block('scripts'))
  
  In your template, use it like this:
  
    %from bottle import template
    %scripts.append(template('path/to/sub-template', var=value))
  
  In your layout, include the aggregated scripts:
  
    %if defined('scripts'):
      {{!scripts()}}
    %end
  '''
  
  name = 'block'
  text = ''
  
  def __init__(self, name):
    self.name = name
    self.text = ''
  
  def append(self, text):
    self.text += text
  
  def __call__(self):
    return self.text