debian/changelog

+centrifuge (1.0.3-3) unstable; urgency=medium
+
+  * Use 2to3 to port to Python3
+    Closes: #936281
+  * debhelper-compat 12
+  * Standards-Version: 4.4.0
+  * use dh-python
+
+ -- Andreas Tille <tille@debian.org>  Tue, 10 Sep 2019 08:20:22 +0200
+
 centrifuge (1.0.3-2) unstable; urgency=medium
 
   [ Steffen Moeller ]

debian/compat

-11

debian/control

@@ -3,10 +3,12 @@ Maintainer: Debian Med Packaging Team <debian-med-packaging@lists.alioth.debian.
 Uploaders: Andreas Tille <tille@debian.org>
 Section: science
 Priority: optional
-Build-Depends: debhelper (>= 11~),
+Build-Depends: debhelper-compat (= 12),
+               dh-python,
+               dh-sequence-python3,
                hisat2,
                jellyfish
-Standards-Version: 4.3.0
+Standards-Version: 4.4.0
 Vcs-Browser: https://salsa.debian.org/med-team/centrifuge
 Vcs-Git: https://salsa.debian.org/med-team/centrifuge.git
 Homepage: https://ccb.jhu.edu/software/centrifuge/
@@ -15,7 +17,8 @@ Package: centrifuge
 Architecture: any
 Depends: ${shlibs:Depends},
          ${misc:Depends},
-         python,
+         ${python3:Depends},
+         python3,
          hisat2,
          jellyfish
 Description: rapid and memory-efficient system for classification of DNA sequences

debian/patches/series

@@ -3,3 +3,4 @@ fix_auto_ptr_usage_in_gcc-7.patch
 0003-Fix-make-install-DESTDIR.patch
 hardening.patch
 no_msse2.patch
+2to3.patch

debian/rules

@@ -9,7 +9,7 @@ include /usr/share/dpkg/default.mk
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 export POPCNT_CAPABILITY=0
 %:
-	dh $@
+	dh $@ --with python3
 
 override_dh_auto_install:
 	dh_auto_install -- prefix=/usr/lib/centrifuge