mapnik/mapnik — pull request #1157 by springmeyer (2012-04-02 18:59:10+00:00)
Title: make stroke property on line_symbolizer a reference when accessed from python (not a copy)

This addresses http://groups.google.com/group/mapnik/browse_thread/thread/1cb39649d6b7baac.

@artemp - how does this look? Boost python will auto convert to shared_ptr under the hood, right?