Removed intermediate python versions in CI matrix (#17839)

* Removed intermediate python versions in CI matrix

* Use latest version

* Restore 3.13

* Use envs to define global python versions

* try to launch from main

* fix

* wip

* revert changes

* wip

* use 3.10

* Avoid escaping and added stage name

---------

Co-authored-by: czoido <mrgalleta@gmail.com>

Author: perseoGI

.ci/docker/conan-tests

@@ -7,6 +7,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 ENV PY36=3.6.15 \
     PY38=3.8.6 \
     PY39=3.9.2 \
+    PY310=3.10.16 \
     PY312=3.12.3 \
     PY313=3.13.0 \
     CMAKE_3_15=/usr/share/cmake-3.15.7/bin/cmake \
@@ -95,6 +96,7 @@ RUN curl https://pyenv.run | bash && \
     pyenv install $PY36 && \
     pyenv install $PY38 && \
     pyenv install $PY39 && \
+    pyenv install $PY310 && \
     pyenv install $PY312 && \
     pyenv install $PY313 && \
     pyenv global $PY39 && \

.github/workflows/linux-tests.yml

@@ -2,6 +2,10 @@ name: Linux tests
 
 on:
   workflow_call:
+    inputs:
+      python-versions:
+        required: true
+        type: string
 
 jobs:
   build_container:
@@ -49,7 +53,7 @@ jobs:
       options: --user conan
     strategy:
       matrix:
-        python-version: [3.13, 3.9, 3.8, 3.6]
+        python-version: ${{ fromJson(inputs.python-versions) }}
         test-type: [unittests, integration, functional]
         include:
         - test-type: unittests
@@ -92,19 +96,30 @@ jobs:
   linux_docker_tests:
     needs: build_container
     runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/${{ github.repository_owner }}/conan-tests:${{ needs.build_container.outputs.image_tag }}
+      options: --user conan
     strategy:
       matrix:
-        python-version: [3.13, 3.9]
+        # Use modern versions due to docker incompatibility with python <3.8
+        python-version: ${{ github.event_name != 'pull_request' && fromJson('["3.13", "3.9"]') || fromJson('["3.10"]') }}
+
     name: Docker Runner Tests (${{ matrix.python-version }})
     steps:
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Set up Python ${{ matrix.python-version }}
+        run: |
+          pyenv global ${{ matrix.python-version }}
+          python --version
+
+      - name: Cache pip
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/requirements*.txt') }}
+
       - name: Install dependencies
         run: |
           pip install --upgrade pip

.github/workflows/main.yml

@@ -16,17 +16,44 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  set_python_versions:
+    runs-on: ubuntu-latest
+    outputs:
+      python_versions_linux_windows: ${{ steps.set_versions.outputs.python_versions_linux_windows }}
+      python_versions_macos: ${{ steps.set_versions.outputs.python_versions_macos }}
+    name: Determine Python versions
+    steps:
+      - name: Determine Python versions
+        id: set_versions
+        run: |
+          if [[ "${{ github.ref }}" == "refs/heads/develop2" || "${{ github.ref }}" == refs/heads/release/* ]]; then
+            echo "python_versions_linux_windows=['3.13', '3.6']" >> $GITHUB_OUTPUT
+            echo "python_versions_macos=['3.13', '3.8']" >> $GITHUB_OUTPUT
+          else
+            echo "python_versions_linux_windows=['3.10']" >> $GITHUB_OUTPUT
+            echo "python_versions_macos=['3.10']" >> $GITHUB_OUTPUT
+          fi
+
   linux_suite:
+    needs: set_python_versions
     uses: ./.github/workflows/linux-tests.yml
     name: Linux test suite
+    with:
+      python-versions: ${{ needs.set_python_versions.outputs.python_versions_linux_windows }}
 
   osx_suite:
+    needs: set_python_versions
     uses: ./.github/workflows/osx-tests.yml
     name: OSX test suite
+    with:
+      python-versions: ${{ needs.set_python_versions.outputs.python_versions_macos }}
 
   windows_suite:
+    needs: set_python_versions
     uses: ./.github/workflows/win-tests.yml
     name: Windows test suite
+    with:
+      python-versions: ${{ needs.set_python_versions.outputs.python_versions_linux_windows }}
 
   code_coverage:
     runs-on: ubuntu-latest

.github/workflows/osx-tests.yml

@@ -2,6 +2,10 @@ name: OSX Tests
 
 on:
   workflow_call:
+    inputs:
+      python-versions:
+        required: true
+        type: string
 
 jobs:
   osx_setup:
@@ -11,10 +15,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: '3.10'
 
       - name: Cache pip packages
         id: cache-pip
@@ -114,7 +118,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: [3.8, 3.12, 3.13]
+        python-version: ${{ fromJson(inputs.python-versions) }}
         test-type: [unittests, integration, functional]
         include:
         - test-type: unittests

.github/workflows/win-tests.yml

@@ -2,13 +2,17 @@ name: Windows Tests
 
 on:
   workflow_call:
+    inputs:
+      python-versions:
+        required: true
+        type: string
 
 jobs:
   unit_integration_tests:
     runs-on: windows-2022
     strategy:
       matrix:
-        python-version: [3.13, 3.8, 3.6]
+        python-version: ${{ fromJson(inputs.python-versions) }}
     name: Unit & Integration Tests (${{ matrix.python-version }})
     steps:
       - name: Checkout code
@@ -59,8 +63,7 @@ jobs:
     runs-on: windows-2022
     strategy:
       matrix:
-        python-version: [3.13, 3.8, 3.6]
-
+        python-version: ${{ fromJson(inputs.python-versions) }}
     name: Functional Tests (${{ matrix.python-version }})
     steps:
       - name: Checkout code