support python=3.10 (#155)

* test on python 3.10

* run the doctests on python 3.10

* run nightly on py310 as well as py39 for now [test-upstream]

* add the python 3.10 classifier

* changelog

* only test nightly on py310

* add `ipython_genutils` to the docs dependencies for now

.github/workflows/ci-additional.yml

@@ -19,14 +19,14 @@ jobs:
     - name: setup python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.10
     - name: initialize cache
       uses: actions/cache@v2
       with:
         path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-py3.8-${{ hashFiles('ci/requirements/**.txt') }}
+        key: ${{ runner.os }}-pip-py3.10-${{ hashFiles('ci/requirements/**.txt') }}
         restore-keys: |
-          ${{ runner.os }}-pip-py3.8-
+          ${{ runner.os }}-pip-py3.10-
     - name: upgrade pip
       run: |
         python -m pip install --upgrade pip setuptools wheel

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: ["3.8", "3.9", "3.10"]
 
     steps:
     - name: cancel previous runs

.github/workflows/nightly.yml

@@ -43,7 +43,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9]
+        python-version: ["3.10"]
 
     outputs:
       artifacts_availability: ${{ steps.status.outputs.ARTIFACTS_AVAILABLE }}

docs/requirements.txt

@@ -4,6 +4,7 @@ pooch
 netCDF4
 cf-xarray>=0.6
 sphinx<4
+ipython_genutils  # remove once there's a new `nbconvert` release
 sphinx_rtd_theme
 ipython
 ipykernel

docs/whats-new.rst

@@ -6,6 +6,8 @@ What's new
 ------------------
 - drop support for python 3.7 (:pull:`153`)
   By `Justus Magin <https://github.com/keewis>`_.
+- add support for python 3.10 (:pull:`155`)
+  By `Justus Magin <https://github.com/keewis>`_.
 
 0.2.1 (26 Jul 2021)
 -------------------

setup.cfg

@@ -17,6 +17,7 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Topic :: Scientific/Engineering
 
 [options]