Refactor release process to use Tox for better environment management

Signed-off-by: Tsuyoshi Hombashi <[email protected]>

Author: thombashi

Makefile

@@ -47,7 +47,7 @@ readme:
 
 .PHONY: release
 release:
-	cd $(PKG_BUILD_DIR) && $(PYTHON) setup.py release --sign --verbose
+	$(PYTHON) -m tox -e release
 	$(MAKE) clean
 
 .PHONY: setup-ci

tox.ini

@@ -89,3 +89,9 @@ deps =
     readmemaker>=1.1.0
 commands =
     python make_readme.py
+
+[testenv:release]
+deps =
+    releasecmd
+commands =
+    python setup.py release --sign --skip-uploading --verbose