debian/blends-dev.lintian-overrides

+# Dependency on debhelper is intended
+blends-dev: binary-package-depends-on-toolchain-package depends: debhelper (>= 9)

debian/changelog

+blends (0.6.103) UNRELEASED; urgency=medium
+
+  * d/control:
+     - Build-Depends: dh-python, python3-all
+     - blends-dev: Depends: ${python3:Depends}
+  * d/rules: --with python3
+  * ignore false lintian warning binary-package-depends-on-toolchain-package
+
+ -- Andreas Tille <tille@debian.org>  Wed, 28 Mar 2018 16:22:10 +0200
+
 blends (0.6.102) experimental; urgency=low
 
   * blend-gen-control: Bugfixes, slight refactorization, documentation

debian/control

@@ -10,7 +10,9 @@ Priority: optional
 Build-Depends: debhelper (>= 10)
 Build-Depends-Indep: xmlto,
                      dblatex,
-                     w3m
+                     w3m,
+                     dh-python,
+                     python3-all
 Standards-Version: 4.0.0
 Vcs-Browser: https://salsa.debian.org/blends-team/blends
 Vcs-Git: https://salsa.debian.org/blends-team/blends.git
@@ -20,7 +22,8 @@ Architecture: all
 Depends: debconf,
          make | build-essential,
          debhelper (>= 9),
-         ${misc:Depends}
+         ${misc:Depends},
+         ${python3:Depends}
 Suggests: blends-doc
 Replaces: cdd-dev
 Description: Debian Pure Blends common files for developing metapackages

debian/rules

@@ -8,7 +8,7 @@ include /usr/share/dpkg/default.mk
 DISTDIR := $(DEB_SOURCE)-$(DEB_VERSION)
 
 %:
-	dh $@
+	dh $@ --with python3
 
 override_dh_auto_build:
 	cd doc; $(MAKE) html; $(MAKE) txt; $(MAKE) pdf