Switch Debian packaging to python3

For now we disable epydoc since it isn't available for python3.
We also drop dh_auto_test to not run the test suite twice since pybuild
would run it as well.

Closes: #810854

debian/control

@@ -11,17 +11,16 @@ Build-Depends:
  gtk-doc-tools,
  libdistro-info-perl,
  perl,
- python (>> 2.7.3),
- python-coverage,
- python-dateutil,
- python-epydoc,
- python-mock,
- python-nose,
- python-nosexcover,
- python-pkg-resources,
- python-rpm,
- python-six,
- python-setuptools,
+ python3 (>= 3.5),
+ python3-coverage,
+ python3-dateutil,
+ python3-mock,
+ python3-nose,
+ python3-nosexcover,
+ python3-pkg-resources,
+ python3-rpm,
+ python3-six,
+ python3-setuptools,
  sgml2x,
 # For the testsuite
  bzip2,
@@ -34,28 +33,28 @@ Build-Depends:
  zipmerge,
 # For the network tests
  curl,
- python-requests,
+ python3-requests,
 Standards-Version: 3.9.8
 Vcs-Git: https://git.sigxcpu.org/cgit/git-buildpackage/
 Vcs-Browser: https://git.sigxcpu.org/cgit/git-buildpackage/
 Homepage: https://honk.sigxcpu.org/piki/projects/git-buildpackage/
-X-Python-Version: >= 2.7
+X-Python3-Version: >= 3.5
 
 Package: git-buildpackage
 Architecture: all
-Depends: ${python:Depends},
+Depends: ${python3:Depends},
  ${shlibs:Depends},
  ${misc:Depends},
  devscripts (>= 2.13.5~),
  git (>= 1:1.7.9.1-1~),
  man-db,
- python-dateutil,
- python-pkg-resources,
- python-six,
+ python3-dateutil,
+ python3-pkg-resources,
+ python3-six,
 Recommends: pristine-tar (>= 0.5),
  cowbuilder | pbuilder | sbuild,
- python-requests
-Suggests: python-notify, unzip, sudo
+ python3-requests
+Suggests: python3-notify, unzip, sudo
 Description: Suite to help with Debian packages in Git repositories
  This package contains the following tools:
   * gbp import-{dsc,dscs}: import existing Debian source packages into a git
@@ -70,14 +69,14 @@ Description: Suite to help with Debian packages in Git repositories
 
 Package: git-buildpackage-rpm
 Architecture: all
-Depends: ${python:Depends},
+Depends: ${python3:Depends},
  ${misc:Depends},
  cpio,
  git-buildpackage (= ${binary:Version}),
- python-rpm,
+ python3-rpm,
  rpm,
 Recommends: pristine-tar (>= 0.5)
-Suggests: python-notify, unzip, zipmerge, mock
+Suggests: python3-notify, unzip, zipmerge, mock
 Description: Suite to help with RPM packages in Git repositories
  This package contains the following tools:
   * gbp buildpackage-rpm: build a package out of a git repository, check for

debian/git-buildpackage-rpm.install

 usr/bin/gbp-builder-mock /usr/share/git-buildpackage/
-usr/lib/python2.?/dist-packages/gbp/rpm/
-usr/lib/python2.7/dist-packages/gbp/scripts/import_srpm.py
-usr/lib/python2.7/dist-packages/gbp/scripts/pq_rpm.py
-usr/lib/python2.7/dist-packages/gbp/scripts/buildpackage_rpm.py
-usr/lib/python2.7/dist-packages/gbp/scripts/rpm_ch.py
+usr/lib/python3.?/dist-packages/gbp/rpm usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?//dist-packages/gbp/scripts/import_srpm.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/pq_rpm.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/buildpackage_rpm.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/rpm_ch.py usr/lib/python3/dist-packages/gbp/scripts/

debian/git-buildpackage.install

 usr/bin/gbp
 usr/bin/git-pbuilder
-usr/lib/python2.?/dist-packages/gbp-*
-usr/lib/python2.?/dist-packages/gbp/command_wrappers.py
-usr/lib/python2.?/dist-packages/gbp/config.py
-usr/lib/python2.?/dist-packages/gbp/dch.py
-usr/lib/python2.?/dist-packages/gbp/deb/
-usr/lib/python2.?/dist-packages/gbp/errors.py
-usr/lib/python2.?/dist-packages/gbp/format.py
-usr/lib/python2.?/dist-packages/gbp/git/
-usr/lib/python2.?/dist-packages/gbp/__init__.py
-usr/lib/python2.?/dist-packages/gbp/log.py
-usr/lib/python2.?/dist-packages/gbp/notifications.py
-usr/lib/python2.?/dist-packages/gbp/patch_series.py
-usr/lib/python2.?/dist-packages/gbp/pkg/
-usr/lib/python2.?/dist-packages/gbp/scripts/buildpackage.py
-usr/lib/python2.?/dist-packages/gbp/scripts/clone.py
-usr/lib/python2.?/dist-packages/gbp/scripts/common/
-usr/lib/python2.?/dist-packages/gbp/scripts/config.py
-usr/lib/python2.?/dist-packages/gbp/scripts/create_remote_repo.py
-usr/lib/python2.?/dist-packages/gbp/scripts/dch.py
-usr/lib/python2.?/dist-packages/gbp/scripts/import_dsc.py
-usr/lib/python2.?/dist-packages/gbp/scripts/import_dscs.py
-usr/lib/python2.?/dist-packages/gbp/scripts/import_orig.py
-usr/lib/python2.?/dist-packages/gbp/scripts/__init__.py
-usr/lib/python2.?/dist-packages/gbp/scripts/pq.py
-usr/lib/python2.?/dist-packages/gbp/scripts/pristine_tar.py
-usr/lib/python2.?/dist-packages/gbp/scripts/pull.py
-usr/lib/python2.?/dist-packages/gbp/scripts/supercommand.py
-usr/lib/python2.?/dist-packages/gbp/tmpfile.py
-usr/lib/python2.?/dist-packages/gbp/tristate.py
-usr/lib/python2.?/dist-packages/gbp/version.py
+usr/lib/python3.?/dist-packages/gbp-* usr/lib/python3/dist-packages/
+usr/lib/python3.?/dist-packages/gbp/command_wrappers.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/config.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/dch.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/deb/ usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/errors.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/format.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/git/ usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/__init__.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/log.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/notifications.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/paths.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/patch_series.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/pkg/ usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/scripts/buildpackage.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/clone.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/common/ usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/config.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/create_remote_repo.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/dch.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/import_dsc.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/import_dscs.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/import_orig.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/__init__.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/pq.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/pristine_tar.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/pull.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/scripts/supercommand.py usr/lib/python3/dist-packages/gbp/scripts/
+usr/lib/python3.?/dist-packages/gbp/tmpfile.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/tristate.py usr/lib/python3/dist-packages/gbp/
+usr/lib/python3.?/dist-packages/gbp/version.py usr/lib/python3/dist-packages/gbp/
 usr/share/git-buildpackage/gbp.conf etc/git-buildpackage/

debian/links

 /usr/share/doc/git-buildpackage/manual-html/gbp.html /usr/share/doc/git-buildpackage/manual-html/index.html
 /usr/share/man/man1/gbp.1.gz /usr/share/man/man1/git-buildpackage.1.gz
-/usr/lib/python2.7/dist-packages/gbp/scripts/supercommand.py /usr/bin/gbp
+/usr/lib/python3/dist-packages/gbp/scripts/supercommand.py /usr/bin/gbp

debian/rules

@@ -14,11 +14,10 @@ ZSH_COMPDIR = /usr/share/zsh/vendor-completions/
 PYCHECKER_ARGS=-boptparse --no-override --no-shadowbuiltin
 
 %:
-	dh $@ --with python2 --buildsystem=python_distutils
+	dh $@ --with python3 --buildsystem=pybuild
 
 override_dh_auto_test:
 ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
-	dh_auto_test
 	make
 else
 	@echo "Checks disabled via DEB_BUILD_OPTIONS"
@@ -26,7 +25,7 @@ endif
 
 override_dh_auto_build:
 	dh_auto_build
-	make apidocs docs
+	make docs
 
 override_dh_auto_install:
 	dh_auto_install
@@ -34,7 +33,7 @@ override_dh_auto_install:
 	mkdir -p debian/git-buildpackage/$(ZSH_COMPDIR)
 	install -m644 debian/git-buildpackage.zsh-completion \
 		debian/git-buildpackage/$(ZSH_COMPDIR)/_gbp
-	chmod a+x debian/tmp/usr/lib/python2.?/dist-packages/gbp/scripts/supercommand.py
+	chmod a+x debian/tmp/usr/lib/python3.?/dist-packages/gbp/scripts/supercommand.py
 
 override_dh_auto_clean:
 	dh_auto_clean