Deprecate python 3.8 xarray-contrib/datatree#214

* update requirements and envs

* whatsnew

* added classifier for 3.11

Author: TomNicholas

.github/workflows/main.yaml

@@ -20,7 +20,7 @@ jobs:
         shell: bash -l {0}
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v3
 
@@ -65,7 +65,7 @@ jobs:
         shell: bash -l {0}
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v3
 

.github/workflows/pypipublish.yaml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install dependencies
         run: |

ci/doc.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
 dependencies:
   - pip
-  - python>=3.8
+  - python>=3.9
   - netcdf4
   - scipy
   - sphinx>=4.2.0

ci/environment.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-  - python>=3.8
+  - python>=3.9
   - netcdf4
   - pytest
   - flake8

docs/source/whats-new.rst

@@ -34,6 +34,9 @@ Breaking changes
 Deprecations
 ~~~~~~~~~~~~
 
+- Dropped support for python 3.8 (:issue:`212`, :pull:`214`)
+  By `Tom Nicholas <https://github.com/TomNicholas>`_.
+
 Bug fixes
 ~~~~~~~~~
 

setup.cfg

@@ -14,13 +14,13 @@ classifiers =
     License :: OSI Approved :: Apache Software License
     Operating System :: OS Independent
     Programming Language :: Python
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
 
 [options]
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.9
 install_requires =
     xarray >=2022.6.0