fix flake & add upload stage

.gitlab-ci.yml

@@ -2,18 +2,21 @@ image: "python:3.8"
 
 before_script:
   - python --version
+  - pip install setuptools wheel twine
   - pip install .
   - pip install -r dev_requirements.txt
   
 stages:
   - lint
   - test
+  - upload
 
 flake8:
   stage: lint
   allow_failure: true
   script:
-  - flake8 --max-line-length=120 python_terraform/*.py
+  - flake8 --max-line-length=120 --count --select=E9,F63,F7,F82 --show-source --statistics python_terraform/*.py
+  - flake8 --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics python_terraform/*.py
 
 mypy:
   stage: lint
@@ -73,3 +76,10 @@ test-1.1.3:
   - unzip terraform_bin.zip -d tf_bin
   - PATH=$PATH:$PWD/tf_bin 
   - pytest -v
+
+release:
+  stage: upload
+  rules:
+    - if: '$CI_COMMIT_TAG != null'
+  script:
+    - python setup.py sdist bdist_wheel