sethoscope/heatmap — pull request #23 by hugovk (2014-12-06 08:58:36+00:00)
Title: Only install GDAL depedencies for x.y_with_system_site_packages

* Move GDAL install into a bash script so it can be called as a one-liner inside an if-statement.

* Only install GDAL for 2.7_with_system_site_packages and 3.2_with_system_site_packages. Shaves about a minute off build time. (Could go a bit further and only install python-gdal for 2.x and python3-gdal for 3.x, but will only save about 3s.)

* Add `travis_retry` to `pip install`s, which will try three times, because I saw one time-out.