{%- macro loadjs(name) -%}
{%- assets '{}_js'.format(name) -%}
{%- endassets -%}
{%- endmacro %}
{%- macro loadcss(name, media='screen') -%}
{%- assets '{}_css'.format(name) -%}
{%- endassets -%}
{%- endmacro %}
{% macro fmtdelta(timedelta) -%}
{%- set hours=timedelta.seconds // (60 * 60) -%}
{%- set minutes=(timedelta.seconds - 60 * hours) // 60 -%}
{%- set seconds=timedelta.seconds % 60 -%}
{%- if hours -%}
{{ hours }}h {{ minutes }}m {% elif minutes -%}
{{ minutes }}m {% endif -%}
{{ seconds }}s
{%- endmacro %}