chore: drop python3.9 support (#3326)

* chore: drop python3.9 support

* chore: using python3.10 for CICD.

* chore: adding changelog file 3326.added.md

* chore: fully removing python3.9 testing

---------

Co-authored-by: pyansys-ci-bot <92810346+pyansys-ci-bot@users.noreply.github.com>

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ on:
 
 env:
   PROJECT_NAME: 'PyMAPDL'
-  MAIN_PYTHON_VERSION: '3.10'
+  MAIN_PYTHON_VERSION: '3.11'
   PACKAGE_NAME: 'ansys-mapdl-core'
   PACKAGE_NAMESPACE: 'ansys.mapdl.core'
   DOCUMENTATION_CNAME: 'mapdl.docs.pyansys.com'
@@ -120,7 +120,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         # Only perform wheelhouse builds for macOS when releasing
         should-release: 
           - ${{ github.event_name == 'push' && contains(github.ref, 'refs/tags') }}

doc/changelog.d/3326.added.md

@@ -0,0 +1 @@
+chore: drop python3.9 support

pyproject.toml

@@ -8,7 +8,7 @@ name = "ansys-mapdl-core"
 version = "0.69.dev0"
 description = "A Python wrapper for Ansys MAPDL."
 readme = "README.md"
-requires-python = ">=3.9,<3.13"  # Update also 'MINIMUM_PYTHON_VERSION' in src/ansys/mapdl/core/__init__.py
+requires-python = ">=3.10,<3.13"  # Update also 'MINIMUM_PYTHON_VERSION' in src/ansys/mapdl/core/__init__.py
 license = {file = "LICENSE"}
 authors = [{ name = "ANSYS, Inc.", email = "pyansys.core@ansys.com" }]
 maintainers = [{ name = "ANSYS, Inc.", email = "pyansys.core@ansys.com" }]

src/ansys/mapdl/core/__init__.py

@@ -36,7 +36,7 @@
     os.makedirs(USER_DATA_PATH)
 
 DEPRECATING_MINIMUM_PYTHON_VERSION = True
-MINIMUM_PYTHON_VERSION = (3, 9)
+MINIMUM_PYTHON_VERSION = (3, 10)
 
 first_time_file = os.path.join(USER_DATA_PATH, ".firstime")
 if not os.path.exists(first_time_file):  # pragma: no cover