Run upstream CI build on Python 3.12

.github/workflows/additional.yml

@@ -22,8 +22,8 @@ jobs:
           miniforge-version: latest
           use-mamba: true
           channel-priority: strict
-          python-version: "3.11"
-          environment-file: continuous_integration/environment-3.11.yaml
+          python-version: "3.12"
+          environment-file: continuous_integration/environment-3.12.yaml
           activate-environment: test-environment
           auto-activate-base: false
 

.github/workflows/upstream.yml

@@ -56,8 +56,8 @@ jobs:
           miniforge-version: latest
           use-mamba: true
           channel-priority: strict
-          python-version: "3.11"
-          environment-file: continuous_integration/environment-3.11.yaml
+          python-version: "3.12"
+          environment-file: continuous_integration/environment-3.12.yaml
           activate-environment: test-environment
           auto-activate-base: false
 

continuous_integration/environment-3.12.yaml

@@ -69,8 +69,7 @@ dependencies:
   - sparse
   - cachey
   - python-graphviz
-  # Not available on macOS for Python 3.12 yet
-  # - python-cityhash
+  - python-cityhash
   - python-xxhash
   - mmh3
   - jinja2

continuous_integration/scripts/install.sh

@@ -20,10 +20,11 @@ if [[ ${UPSTREAM_DEV} ]]; then
     # FIXME https://github.com/mamba-org/mamba/issues/412
     # mamba uninstall --force ...
     conda uninstall --force fastparquet
+    # Include `git+https://github.com/pydata/sparse` once there is Python 3.12 compat
+    # (xref https://github.com/pydata/sparse/issues/610)
     python -m pip install \
         --upgrade \
         locket \
-        git+https://github.com/pydata/sparse \
         git+https://github.com/dask/s3fs \
         git+https://github.com/intake/filesystem_spec \
         git+https://github.com/dask/partd \

dask/tests/test_docs.py

@@ -15,7 +15,7 @@ def test_development_guidelines_matches_ci():
     development_doc_file = root_dir / "docs" / "source" / "develop.rst"
     additional_ci_file = root_dir / ".github" / "workflows" / "additional.yml"
     upstream_ci_file = root_dir / ".github" / "workflows" / "upstream.yml"
-    latest_env = "environment-3.11.yaml"
+    latest_env = "environment-3.12.yaml"
 
     for filename in [development_doc_file, additional_ci_file, upstream_ci_file]:
         with open(filename, encoding="utf8") as f:

docs/source/develop.rst

@@ -108,7 +108,7 @@ pip or conda_
 
 ``conda``::
 
-  conda env create -n dask-dev -f continuous_integration/environment-3.11.yaml
+  conda env create -n dask-dev -f continuous_integration/environment-3.12.yaml
   conda activate dask-dev
   python -m pip install --no-deps -e .