depreciate Python <=3.7 and add warning for the depreciation of Pytho…

…n 3.8 and 3.9 support in 2025

.github/workflows/pytest.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: [3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v3
@@ -21,8 +21,8 @@ jobs:
           pip install ruff pytest numpy pandas scipy xarray numba joblib
       - name: Lint with ruff
         run: |
-          ruff -output-format=github --select=E9,F63,F7,F82 --target-version=py37 .
-          ruff -output-format=github --target-version=py37 .
+          ruff -output-format=github --select=E9,F63,F7,F82 --target-version=py38 .
+          ruff -output-format=github --target-version=py38 .
         continue-on-error: true
       - name: Test with pytest
         run: |

smrt/__init__.py

@@ -1,17 +1,30 @@
-
-
 # functions to be exported by default
 
 import sys
 
-from .inputs.make_medium import make_snowpack, make_snow_layer, make_ice_column, make_atmosphere, make_interface, make_water_body
+if (sys.version_info[0] == 2) or ((sys.version_info[0] == 3) and (sys.version_info[0] < 8)):
+    raise RuntimeError('Python 3.7 and lower are not supported anymore')
+
+if (sys.version_info[0] == 3) and (sys.version_info[0] <= 9):
+    from warnings import warn
+
+    warn('Support of Python 3.8 and 3.9 will be discarded in 2025 to implement type hinting')
+
+from .inputs.make_medium import (
+    make_snowpack,
+    make_snow_layer,
+    make_ice_column,
+    make_atmosphere,
+    make_interface,
+    make_water_body,
+)
 from .inputs.make_soil import make_soil
 
 from .core.model import make_model, make_emmodel, rtsolver, emmodel
 from .core.error import SMRTError
 from .core import sensor
 from .core.result import open_result
-from .core.sensitivity_study import  sensitivity_study
+from .core.sensitivity_study import sensitivity_study
 from .core.globalconstants import PSU, GHz, cm, mm, micron
 from .core.plugin import register_package