This Trac Plugin adds a Macro to compute the sum of a custom field values on a query.

Usage :

[[TotalField(field_name, query)]]

Calculates the sum of a field_name values for the queried tickets.

The macro accepts a field_name and a comma-separated list of query parameters for the ticket selection, in the form key=value as specified in TracQuery QueryLanguage.

Example:

    [[TotalField(field_name, milestone=Sprint 1)]]

Installation:

It can be installed as a "one file" plugin by copying the total_filed.py file in the plugin directory of your trac installation.