Generate a UUID in jinja

gistfile1.txt

{%- macro uuid() %}
    {%- set uuid_generate = namespace(uuid_template = 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx') %}
    {%- set characterlist = "1234567890abcdef" %}
    {%- set uuid_generate.new_uuid = '' %}
    {%- for x in uuid_generate.uuid_template %}
        {%- if x == 'x' %}
            {%- set uuid_generate.new_uuid = uuid_generate.new_uuid + characterlist | random %}
        {%- else %}
            {%- set uuid_generate.new_uuid = uuid_generate.new_uuid + x %}                
        {%- endif %}        
    {%- endfor -%}
{{ uuid_generate.new_uuid }}
{%- endmacro -%}
Here is it! {{ uuid() }}