debian/changelog

-tilestache (1.51.5-4) UNRELEASED; urgency=medium
+tilestache (1.51.5-4) unstable; urgency=medium
 
   * Bump Standards-Version to 4.2.1, no changes.
   * Update watch file to limit matches to archive path.
+  * Add upstream patch for Mapnik FontEngine changes.
+    (closes: #908198)
 
- -- Bas Couwenberg <sebastic@debian.org>  Sun, 05 Aug 2018 21:01:49 +0200
+ -- Bas Couwenberg <sebastic@debian.org>  Fri, 07 Sep 2018 11:57:24 +0200
 
 tilestache (1.51.5-3) unstable; urgency=medium
 

debian/patches/0001-Modify-so-that-Mapnik-FontEngine-API-can-be-used-wit.patch

+Description: Modify so that Mapnik FontEngine API can be used with older and newer Mapnik builds.
+Author: Sean Brewer <seabre986@gmail.com>
+Origin: https://github.com/TileStache/TileStache/pull/327/commits/c36a0d699e4852e85aeb555ef326b0739b77079e
+Bug: https://github.com/TileStache/TileStache/pull/327
+Bug-Debian: https://bugs.debian.org/908198
+
+--- a/TileStache/Mapnik.py
++++ b/TileStache/Mapnik.py
+@@ -91,7 +91,11 @@ class ImageProvider:
+         self.layer = layer
+         self.mapnik = None
+ 
+-        engine = mapnik.FontEngine.instance()
++        # Maintain compatiblity between old and new Mapnik FontEngine API
++        try:
++            engine = mapnik.FontEngine.instance()
++        except AttributeError:
++            engine = mapnik.FontEngine
+ 
+         if fonts:
+             fontshref = urljoin(layer.config.dirpath, fonts)

debian/patches/series

 00-use_system_font.patch
 03-use_system_modestmaps.patch
+0001-Modify-so-that-Mapnik-FontEngine-API-can-be-used-wit.patch