chg: dev: one more conda-devenv refactor based on latest docs

* try 3.12 in this configuration, and remove it from the matrix
  if it still fails

Signed-off-by: Stephen Arnold <[email protected]>

Author: sarnold

.github/workflows/conda-dev.yml

@@ -25,14 +25,14 @@ jobs:
     - uses: actions/checkout@v4
 
     - uses: conda-incubator/setup-miniconda@v3
+      env:
+        PY_VER: ${{ matrix.python-version }}
       with:
-        auto-update-conda: true
-        python-version: ${{ matrix.python-version }}
-        mamba-version: "*"
-        channels: conda-forge,defaults
-        channel-priority: true
         activate-environment: pyre2
-        environment-file: environment.devenv.yml
+        channels: conda-forge
+        allow-softlinks: true
+        channel-priority: flexible
+        show-channel-urls: true
 
     - name: Cache conda packages
       id: cache
@@ -54,16 +54,15 @@ jobs:
         PY_VER: ${{ matrix.python-version }}
       run: |
         conda config --set always_yes yes --set changeps1 no
-        conda info
-        conda list
-        conda config --show-sources
-        conda config --show
-        printenv | sort
+        conda config --add channels conda-forge
+        conda install conda-devenv
+        conda devenv
 
     - name: Build and test
       shell: bash -el {0}
       env:
         PY_VER: ${{ matrix.python-version }}
       run: |
+        source activate pyre2
         python -m pip install .[test] -vv
         python -m pytest -v .

environment.devenv.yml

@@ -1,10 +1,5 @@
 name: pyre2
 
-{% set python_version = os.environ.get("PY_VER", "3.11") %}
-
-channels:
-  - conda-forge
-
 dependencies:
   - cmake>=3.18
   - ninja
@@ -16,12 +11,12 @@ dependencies:
   - pybind11-stubgen
   - vs2019_win-64  # [win]
   - pkgconfig  # [win]
-  - python={{ python_version }}
+  - python ={{ get_env("PY_VER", valid=["3.9", "3.10", "3.11", "3.12"]) }}
   - cython
   - pybind11
   - pip
   - pytest
   - regex
-  # these two need to be newer than broken runner packages
+  # these two need to be newer than broken runner packages, 3.12 only
   - urllib3
   - six