Use Poetry for dependency management

.github/workflows/lint.yml

@@ -5,11 +5,11 @@ on: push
 jobs:
   black:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
       - uses: psf/black@stable
         with:
           black_args: ". --check"

.github/workflows/pypi-publish.yml

@@ -8,24 +8,29 @@ on:
 jobs:
   publish:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
 
-    - name: Install dependencies
+    - name: Install Poetry
       run: |
-        python -m pip install --upgrade pip
-        pip install setuptools wheel twine
-
+        curl -sSL https://install.python-poetry.org | python3 -
+
     - name: Build and publish
       env:
-        TWINE_USERNAME: ${{ secrets.pcic_at_pypi_username }}
-        TWINE_PASSWORD: ${{ secrets.pcic_at_pypi_password }}
+        PCIC_PYPI_USERNAME: ${{ secrets.pcic_at_pypi_username }}
+        PCIC_PYPI_PASSWORD: ${{ secrets.pcic_at_pypi_password }}
       run: |
-        python setup.py sdist bdist_wheel
-        twine upload --repository-url https://pypi.pacificclimate.org/ --skip-existing -u $TWINE_USERNAME -p $TWINE_PASSWORD dist/*
+        # Configure Poetry to publish to PCIC private package repository
+        # Private repo name is "pcic". We could factor that out as an env var...
+        poetry config repositories.pcic https://pypi.pacificclimate.org/
+        poetry config http-basic.pcic $PCIC_PYPI_USERNAME $PCIC_PYPI_PASSWORD
+
+        # Build and publish
+        poetry build
+        poetry publish -r pcic

.github/workflows/python-ci.yml

@@ -5,15 +5,15 @@ on: push
 jobs:
   test:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.8, 3.9]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -23,32 +23,21 @@ jobs:
         sudo apt-get install libhdf5-serial-dev netcdf-bin libnetcdf-dev
         sudo apt-get install cdo
 
-    - name: Install pipenv
+    - name: Install poetry
       run: |
-        pip install -U pipenv
-
-    - id: cache-pipenv
-      uses: actions/cache@v2
-      with:
-        path: ~/.local/share/virtualenvs
-        key: ${{ runner.os }}-pipenv-${{ hashFiles('**/Pipfile.lock') }}
+        wget -O - https://install.python-poetry.org | python3 -
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
 
-    - name: Install dependencies if changed
-      if: steps.cache-pipenv.outputs.cache-hit != 'true' && ${{ matrix.python-version == '3.8' }}
-      run: |
-        pipenv install --deploy --dev
-    - name: Re-install dependencies if alternative python version
-      if: ${{ matrix.python-version != '3.8' }}
+    - name: Install python dependencies
       run: |
-        mv Pipfile.lock do-not-use
-        pipenv install --python ${{ matrix.python-version }} --dev
+        poetry install --with=dev
 
     - name: Test with pytest (full)
       if: github.ref == 'refs/heads/master'
       run: |
-        pipenv run py.test -m "not online" -v
+        poetry run py.test -m "not online" -v
 
     - name: Test with pytest (fast)
       if: github.ref != 'refs/heads/master'
       run: |
-        pipenv run py.test -m "not online and not slow" -v
+        poetry run py.test -m "not online and not slow" -v