text: #!/usr/bin/env python3
  
  # -*- coding: utf-8 -*-
  
  # Hold custom jinja2 tests
  # https://jinja.palletsprojects.com/en/2.11.x/api/#custom-tests
  # https://jinja.palletsprojects.com/en/2.11.x/templates/#list-of-builtin-tests
  
  from jinja2 import is_undefined
  import re
  import sys
  import math
  import os
  
  def _is_prime(n):
    if n == 2:
      return True
    for i in range(2, int(math.ceil(math.sqrt(n))) + 1):
      if n % i == 0:
        return False
    return True
  
  tests = dict(
  
    is_prime = ( """ Tests if a number is prime """,
      lambda v: _is_prime(v)
    ),
  
  )
  
  if 'USE_ANSIBLE_SUPPORT' in os.environ.keys():
    from .ansible import TestModule
    tests.update(TestModule().tests())
  
  for k,v in tests.items():
    setattr(sys.modules[__name__], k, v[1])
  