pipeline / pipenv: explicitly specify python version to workaround pi…

…penv picking highest available

based on:
fphammerle/ical2vdir@16cd961
fphammerle/ical2vdir@9411366
fphammerle/ical2vdir@abbb7e0#diff-a94bb3934ab4168e4eeb128c21842465R1
fphammerle/ical2vdir@3c7aab8
fphammerle/ical2vdir@7213290
fphammerle/ical2vdir@74aebe8
fphammerle/ical2vdir@4ad3fe2
fphammerle/ical2vdir@b421f9a

fphammerle/ical2vdir#9

.github/workflows/python.yml

@@ -1,5 +1,7 @@
 # sync with https://github.com/fphammerle/ical2vdir/blob/master/.github/workflows/python.yml
 
+# https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
+
 # shown in badge
 # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/configuring-a-workflow#adding-a-workflow-status-badge-to-your-repository
 name: tests
@@ -11,7 +13,24 @@ on:
   - cron: '0 20 * * 5'
 
 jobs:
-  build:
+  code-format:
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        python-version:
+        - 3.8
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - run: pip install --upgrade pipenv>=2018.10.9
+    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
+      env:
+        PYTHON_VERSION: ${{ matrix.python-version }}
+    - run: pipenv graph
+    - run: pipenv run black --check .
+  tests:
     runs-on: ubuntu-18.04
     strategy:
       matrix:
@@ -26,20 +45,21 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
     - run: pip install --upgrade pipenv>=2018.10.9
-    - run: pipenv install --deploy --dev
+    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
+      env:
+        PYTHON_VERSION: ${{ matrix.python-version }}
     # ModuleNotFoundError: No module named 'importlib_metadata'
     # https://github.com/WanzenBug/pylint-import-requirements/issues/17
     - run: if python3 -c 'import sys; sys.exit(sys.version_info < (3, 8))'; then
            pipenv graph;
            pipenv install --dev importlib-metadata;
            fi
     - run: pipenv graph
+    - run: pipenv run pytest --cov=switchbot_mqtt --cov-report=term-missing --cov-fail-under=100
     - run: pipenv run pylint --load-plugins=pylint_import_requirements switchbot_mqtt
     # https://github.com/PyCQA/pylint/issues/352
     - run: pipenv run pylint tests/*
     - run: pipenv run mypy switchbot_mqtt tests
-    - run: pipenv run pytest --cov=switchbot_mqtt --cov-report=term-missing --cov-fail-under=100
-    - run: pipenv run black --check .
     # >=1.9.0 to detect branch name
     # https://github.com/coveralls-clients/coveralls-python/pull/207
     # https://github.com/coverallsapp/github-action/issues/4#issuecomment-547036866

.gitignore

@@ -2,3 +2,4 @@
 .mypy_cache/
 build/
 dist/
+tags/

Pipfile

@@ -7,12 +7,24 @@ name = "pypi"
 switchbot-mqtt = {editable = true,path = "."}
 
 [dev-packages]
-black = "==19.10b0"
+# black requires python>=3.6
+# https://github.com/psf/black/commit/e74117f172e29e8a980e2c9de929ad50d3769150#diff-2eeaed663bd0d25b7e608891384b7298R51
+black = {version = "==19.10b0", markers = "python_version >= '3.6'"}
 mypy = "*"
 pylint = "*"
 pylint-import-requirements = "*"
 pytest = "*"
 pytest-cov = "*"
 
+# python3.5 compatibility
+# https://github.com/jaraco/zipp/commit/05a3c52b4d41690e0471a2e283cffb500dc0329a
+zipp = "<2"
+# workaround https://github.com/pytest-dev/pytest/issues/3953
+pathlib2 = {version = "*", markers="python_version < '3.6'"}
+
+# python3.8 compatibility
+# workaround https://github.com/WanzenBug/pylint-import-requirements/issues/17
+importlib-metadata = "*"
+
 [requires]
 python_version = "3"