code: def do_fake_filter( formatter, arg=None ):
      
      args = []
      if not arg is None: args.append(arg)
      return Faker.getGenerator().format( formatter, *args )
docs: call a faker format
      uses:
  
          {{ 'randomElement'|fake:mylist }}
          {% if 'boolean'|fake:30 %} .. {% endif %}
          {% for word in 'words'|fake:times %}{{ word }}\n{% endfor %}