Remove unnecesary reqs files, fix versions

Author: echedey-ls

.github/workflows/pytest.yml

@@ -23,21 +23,16 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         suffix: ['']  # placeholder as an alternative to "-min"
         include:
+          # run with minimal versions of dependencies just on one matrix job, where the coverage report will only get uploaded
           - os: ubuntu-latest
-            # run with minimal versions of dependencies
-            # this is also used to upload the coverage report
-            python-version: "3.8"
+            python-version: "3.8"  # update to match lowest supported version
             suffix: -min
-        exclude:
-          - os: macos-latest
-            # exclude this version because its PyYAML version does not work (only in macos)
-            python-version: "3.8"
 
     runs-on: ${{ matrix.os }}
     env:
-      # Dev requirement filename, e.g., ci/requirements-py3.9-min.txt or ci/requirements-py3.9.txt
-      # these are pip-compatible requirements files
-      REQUIREMENTS: ci/requirements-py${{ matrix.python-version }}${{ matrix.suffix }}.txt
+      # pip-compatible requirements file that specifies the minimal versions of dependencies
+      # to test against. Makes sense only when running with the "-min" suffix.
+      MIN_REQUIREMENTS: ci/requirements-pip-minimal.txt
 
     steps:
       # Check out only a limited depth and then pull tags to save time
@@ -49,18 +44,19 @@ jobs:
       - name: Get tags
         run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
 
-      - name: Install Python ${{ matrix.python-version }}${{ matrix.suffix }}
+      - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Set up test requirements
-        # sets versions of dependencies in the requirements file first to avoid installing newer versions
+      - name: Set up test minimal requirements
+        if: matrix.suffix == '-min'
+        # install minimal versions of dependencies in the requirements file first to avoid installing newer versions automatically
         run: |
-          pip install -r ${{ env.REQUIREMENTS }}
+          pip install -r ${{ env.MIN_REQUIREMENTS }}
           pip freeze
 
-      - name: Set up environment
+      - name: Set up tests environment
         run: |
           pip install .[test]
           pip freeze
@@ -73,7 +69,7 @@ jobs:
       - name: Upload coverage report
         uses: codecov/codecov-action@v4
         # only upload coverage report once, for the minimal version of dependencies
-        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.8' && matrix.suffix == '-min'
+        if: matrix.os == 'ubuntu-latest' && matrix.suffix == '-min'
         with:
           fail_ci_if_error: true
           token: ${{ secrets.CODECOV_TOKEN }}

ci/requirements-pip-minimal.txt

@@ -0,0 +1,7 @@
+# pin here the minimal versions of the dependencies to run CI tests against
+matplotlib==3.5.0
+numpy==1.20.3
+pandas==1.5.0
+pvlib==0.8.1
+ruamel.yaml==0.15.100
+scipy==1.7.1

ci/requirements-py3.10.txt

@@ -10,7 +10,7 @@ dependencies = [
   "numpy>=1.20.3",
   "pandas>=1.5.0",
   "openpyxl",
-  "pvlib>=0.8.0",
+  "pvlib>=0.8.1",
   "ruamel.yaml>=0.15.0",
   "scipy>=1.7.1",
 ]