Mapnik can be extended with some plugins. One of this is the “python plugin” that allows to use python as a data source.
This article explain how to install mapnik with the python plugin for ubuntu 14.04. Indeed, the use of the python plugin installed with aptitude triggers a segfault. This segfault is generated by the boost librairy. The only way to use the python plugin is to reinstall boost with a patch and then to install mapnik from scratch. This post explains the method.
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