[ci] pre-fix the not-executed pypi deploy script

.ci/gitlab/ci.yml

@@ -1008,6 +1008,9 @@ pypi:
          - ${CI_PROJECT_DIR}/${ARCHIVE_DIR}/pymor*manylinux*whl
         expire_in: 6 months
         name: pymor-wheels
+    before_script:
+        - apk add py3-pip
+        - pip3 install twine
     script:
         - ${CI_PROJECT_DIR}/.ci/gitlab/pypi_deploy.bash
     environment:

.ci/gitlab/pypi_deploy.bash

 #!/bin/bash
 
+set -e
+
 mkdir ${CI_PROJECT_DIR}/${ARCHIVE_DIR} && mv ${CI_PROJECT_DIR}/shared/*whl ${CI_PROJECT_DIR}/${ARCHIVE_DIR}
 
 cd ${CI_PROJECT_DIR}
-python setup.py sdist -d ${ARCHIVE_DIR} --format=gztar
+python3 setup.py sdist -d ${ARCHIVE_DIR} --format=gztar
 
 if [[ "x${CI_COMMIT_TAG}" == "x" ]] ; then
     TWINE_REPOSITORY=testpypi
@@ -15,4 +17,5 @@ else
     TWINE_PASSWORD=${PYPI_USER}
 fi
 export TWINE_NON_INTERACTIVE=1
+# disabled. See https://github.com/pymor/pymor/issues/551
 #twine upload --verbose ${CI_PROJECT_DIR}/${ARCHIVE_DIR}/pymor*.whl ${CI_PROJECT_DIR}/${ARCHIVE_DIR}/pymor*tar.gz

.ci/gitlab/template.ci.py

@@ -334,6 +334,9 @@ pypi:
          - ${CI_PROJECT_DIR}/${ARCHIVE_DIR}/pymor*manylinux*whl
         expire_in: 6 months
         name: pymor-wheels
+    before_script:
+        - apk add py3-pip
+        - pip3 install twine
     script:
         - ${CI_PROJECT_DIR}/.ci/gitlab/pypi_deploy.bash
     environment: