Adding warnings for Python 3.8

.github/workflows/ci.yml

@@ -84,7 +84,7 @@ jobs:
     name: "Build documentation"
     runs-on: ubuntu-latest
     needs: doc-style
-    timeout-minutes: 35
+    timeout-minutes: 45
     outputs:
       PYMAPDL_VERSION: ${{ steps.version.outputs.PYMAPDL_VERSION }}
     env:

src/ansys/mapdl/core/__init__.py

@@ -1,6 +1,8 @@
 # Importing logging
 import logging
 import os
+import sys
+from warnings import warn
 
 import platformdirs
 
@@ -11,6 +13,33 @@
 if not os.path.exists(USER_DATA_PATH):  # pragma: no cover
     os.makedirs(USER_DATA_PATH)
 
+DEPRECATING_MINIMUM_PYTHON_VERSION = True
+MINIMUM_PYTHON_VERSION = (3, 8)
+
+first_time_file = os.path.join(USER_DATA_PATH, ".firstime")
+if not os.path.exists(first_time_file):  # pragma: no cover
+    py_ver = f"{sys.version_info[0]}.{sys.version_info[1]}"
+    py_ver_min = f"{MINIMUM_PYTHON_VERSION[0]}.{MINIMUM_PYTHON_VERSION[1]}"
+
+    if (
+        sys.version_info[1] == MINIMUM_PYTHON_VERSION[1]
+        and DEPRECATING_MINIMUM_PYTHON_VERSION
+    ):
+        warn(
+            f"Support for Python {py_ver} will be dropped in the next minor " "release."
+        )
+
+    if sys.version_info[1] <= MINIMUM_PYTHON_VERSION[1]:
+        warn(
+            f"Python {py_ver} is not being tested or officially supported. "
+            "It is recommended you use a newer version of Python. "
+            f"The mininimum supported and tested version is {py_ver_min}.\n\n"
+            "**This warning is shown only the first time you run PyMAPDL.**\n"
+        )
+
+    with open(first_time_file, "w") as fid:
+        fid.write("")
+
 EXAMPLES_PATH = os.path.join(USER_DATA_PATH, "examples")
 
 from ansys.mapdl.core.logging import Logger