{% for proj in projects %}
{%- if proj.entries %}
## category: {{ proj.key }} ({{ proj.desc }})
{% for grouper, gentries in proj.entries|sort(attribute='start')|groupby('start.day') %}
{#- grouper will contain the attribute used for groupby() -#}

{% for ggrouper, ggentries in gentries|groupby('workpackage') %}
{{ gentries[0].start|date_format }} {{ (ggentries|duration|human_time).rjust(5) }}h a {{ user.ljust(3) }} [{{ ggrouper }}]
    {%- for entry in ggentries -%}
        {%- if loop.index == 1 -%}{{ ' ' }}
        {%- else -%}{{ ';\n                        ' }}
        {%- endif -%}
        {{ entry.get_comment() }}
    {%- endfor -%}
{%- endfor %}
# daily sum: {{ gentries|duration|human_time }}h
{% endfor -%}
## total category {{ proj.key }}: {{ entries|duration|human_time }}h
{% endif -%}
{% endfor %}
### total all categories: {{ total_time|human_time }}h