Further fine-tuning of Debian packaging

Added ITP
Better clean in d/rules
Modernized d/copyright

debian: adjusting build-deps for pbuilder

debian/control

@@ -5,7 +5,8 @@ Priority: optional
 Build-Depends: python3-setuptools,
                python3-all (>= 3.2.3-6),
                python3-setuptools,
-               python3-virtualenv,
+               python3-yaml,
+               python3-jinja2 <!nocheck>,
                dh-python,
                debhelper (>= 11)
 Standards-Version: 4.6.2
@@ -17,7 +18,7 @@ Rules-Requires-Root: no
 Package: python3-hiyapyco
 Architecture: all
 Depends: ${misc:Depends}, ${python3:Depends}
-Description: Hierarchical Yaml Python Config
+Description: Hierarchical YAML Python Config
  A simple python lib allowing hierarchical overlay of config files
  in YAML syntax, offering different merge methods and variable
  interpolation based on jinja2.

debian/copyright

@@ -1,12 +1,30 @@
-Copyright: 2014 - 2022 Klaus Zerwes zero-sys.net
-
-License:
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Source: https://github.com/zerwes/hiyapyco
+Upstream-Name: HiYaPyCo
 
-   This package is free software.  
-   This software is licensed under the terms of the
-   GNU GENERAL PUBLIC LICENSE version 3 or later,
-   as published by the Free Software Foundation.  
+Files: *
+Copyright: 2014 - 2022 Klaus Zerwes zero-sys.net
+License: GPL-3.0+
 
-   A copy of the license is included here:
-   /usr/share/common-licenses/GPL
+Files:
+ debian/*
+Copyright: 2014 - 2022 Klaus Zerwes zero-sys.net
+           2022 Updates by Steffen Moeller <moeller@debian.org>
+License: GPL-3.0+
 
+License: GPL-3.0+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ .
+ This package is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+Comment:
+ On Debian systems, the complete text of the GNU General
+ Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".

debian/rules

@@ -1,10 +1,8 @@
 #!/usr/bin/make -f
 
-PACKAGE_PYTHON3=python3-hiyapyco
-
 %:
 	dh $@ --with python3 --buildsystem=pybuild
 
 override_dh_auto_clean:
-	rm -rf HiYaPyCo.egg-info
+	rm -rf HiYaPyCo.egg-info dist
 	dh_auto_clean