upload pypi package only for tagged commits

Author: ThomasSteinbach

.gitlab-ci.py

@@ -9,9 +9,7 @@
     python.isort(),
     python.flake8(),
     python.pytest(),
-    python.evaluate_git_tag_pep404_conformity(),
     python.bdist_wheel(),
-    python.twine_upload(),
     kaniko.execute(
         image_name="thomass/gcip",
         enable_push=(PredefinedVariables.CI_COMMIT_TAG or PredefinedVariables.CI_COMMIT_BRANCH == "main"),
@@ -20,4 +18,10 @@
     ),
 )
 
+if PredefinedVariables.CI_COMMIT_TAG:
+    pipeline.add_children(
+        python.evaluate_git_tag_pep404_conformity(),
+        python.twine_upload(),
+    )
+
 pipeline.write_yaml()