Merge branch 'main' into backend-indexing

* main: (24 commits)
  Bump minimum versions (#9796)
  Namespace-aware `xarray.ufuncs` (#9776)
  Add prettier and pygrep hooks to pre-commit hooks (#9644)
  `rolling.construct`: Add `sliding_window_kwargs` to pipe arguments down to `sliding_window_view` (#9720)
  Bump codecov/codecov-action from 4.6.0 to 5.0.2 in the actions group (#9793)
  Buffer types (#9787)
  Add download stats badges (#9786)
  Fix open_mfdataset for list of fsspec files (#9785)
  add 'User-Agent'-header to pooch.retrieve (#9782)
  Optimize `ffill`, `bfill` with dask when `limit` is specified (#9771)
  fix cf decoding of grid_mapping (#9765)
  Allow wrapping `np.ndarray` subclasses (#9760)
  Optimize polyfit (#9766)
  Use `map_overlap` for rolling reductions with Dask (#9770)
  fix html repr indexes section (#9768)
  Bump pypa/gh-action-pypi-publish from 1.11.0 to 1.12.2 in the actions group (#9763)
  unpin array-api-strict, as issues are resolved upstream (#9762)
  rewrite the `min_deps_check` script (#9754)
  CI runs ruff instead of pep8speaks (#9759)
  Specify copyright holders in main license file (#9756)
  ...

Author: dcherian

.binder/environment.yml

@@ -16,7 +16,7 @@ dependencies:
   - h5py
   - hdf5
   - iris
-  - lxml    # Optional dep of pydap
+  - lxml # Optional dep of pydap
   - matplotlib
   - nc-time-axis
   - netcdf4

.codecov.yml

@@ -10,7 +10,7 @@ coverage:
         flags:
           - unittests
         paths:
-         - "!xarray/tests/"
+          - "!xarray/tests/"
       unittests:
         target: 90%
         flags:

.github/ISSUE_TEMPLATE/bugreport.yml

@@ -37,7 +37,7 @@ body:
         Please confirm that the bug report is in an excellent state, so we can understand & fix it quickly & efficiently. For more details, check out:
 
         - [Minimal Complete Verifiable Examples](https://stackoverflow.com/help/mcve)
-        - [Craft Minimal Bug Reports](http://matthewrocklin.com/blog/work/2018/02/28/minimal-bug-reports)
+        - [Craft Minimal Bug Reports](https://matthewrocklin.com/minimal-bug-reports)
 
       options:
         - label: Minimal example — the example is as focused as reasonably possible to demonstrate the underlying issue in xarray.

.github/config.yml

@@ -14,7 +14,7 @@ newIssueWelcomeComment: >
 newPRWelcomeComment: >
   Thank you for opening this pull request! It may take us a few days to respond here, so thank you for being patient.
 
-  If you have questions, some answers may be found in our [contributing guidelines](http://docs.xarray.dev/en/stable/contributing.html).
+  If you have questions, some answers may be found in our [contributing guidelines](https://docs.xarray.dev/en/stable/contributing.html).
 
 # Comment to be posted to on pull requests merged by a first time user
 firstPRMergeComment: >

.github/dependabot.yml

@@ -1,10 +1,10 @@
 version: 2
 updates:
-  - package-ecosystem: 'github-actions'
-    directory: '/'
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
       # Check for updates once a week
-      interval: 'weekly'
+      interval: "weekly"
     groups:
       actions:
         patterns:

.github/workflows/benchmarks-last-release.yml

@@ -24,15 +24,15 @@ jobs:
       - name: Set up conda environment
         uses: mamba-org/setup-micromamba@v2
         with:
-          micromamba-version: '1.5.10-0'
+          micromamba-version: "1.5.10-0"
           environment-file: ${{env.CONDA_ENV_FILE}}
           environment-name: xarray-tests
           cache-environment: true
           cache-environment-key: "${{runner.os}}-${{runner.arch}}-py${{env.PYTHON_VERSION}}-${{env.TODAY}}-${{hashFiles(env.CONDA_ENV_FILE)}}-benchmark"
           create-args: >-
             asv
 
-      - name: 'Get Previous tag'
+      - name: "Get Previous tag"
         id: previoustag
         uses: "WyriHaximus/github-action-get-previous-tag@v1"
         # with:

.github/workflows/benchmarks.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up conda environment
         uses: mamba-org/setup-micromamba@v2
         with:
-          micromamba-version: '1.5.10-0'
+          micromamba-version: "1.5.10-0"
           environment-file: ${{env.CONDA_ENV_FILE}}
           environment-name: xarray-tests
           cache-environment: true
@@ -38,7 +38,6 @@ jobs:
             python-build
             mamba<=1.5.10
 
-
       - name: Run benchmarks
         shell: bash -l {0}
         id: benchmark

.github/workflows/ci-additional.yaml

@@ -123,7 +123,7 @@ jobs:
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report
 
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v4.6.0
+        uses: codecov/codecov-action@v5.0.2
         with:
           file: mypy_report/cobertura.xml
           flags: mypy
@@ -174,7 +174,7 @@ jobs:
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report
 
       - name: Upload mypy coverage to Codecov
-        uses: codecov/codecov-action@v4.6.0
+        uses: codecov/codecov-action@v5.0.2
         with:
           file: mypy_report/cobertura.xml
           flags: mypy-min
@@ -230,7 +230,7 @@ jobs:
           python -m pyright xarray/
 
       - name: Upload pyright coverage to Codecov
-        uses: codecov/codecov-action@v4.6.0
+        uses: codecov/codecov-action@v5.0.2
         with:
           file: pyright_report/cobertura.xml
           flags: pyright
@@ -286,7 +286,7 @@ jobs:
           python -m pyright xarray/
 
       - name: Upload pyright coverage to Codecov
-        uses: codecov/codecov-action@v4.6.0
+        uses: codecov/codecov-action@v5.0.2
         with:
           file: pyright_report/cobertura.xml
           flags: pyright39
@@ -303,6 +303,9 @@ jobs:
       run:
         shell: bash -l {0}
 
+    env:
+      COLUMNS: 120
+
     steps:
       - uses: actions/checkout@v4
         with:
@@ -311,20 +314,20 @@ jobs:
       - name: Setup micromamba
         uses: mamba-org/setup-micromamba@v2
         with:
-          # run with micromamba 1.5.10 together with conda
-          # conda.api is not API compatible with libmambapy
-          micromamba-version: "1.5.10-0"
           environment-name: xarray-tests
           create-args: >-
             python=3.12
             pyyaml
             python-dateutil
-            conda
+            cytoolz
+            rich
+            rich-click
+            py-rattler
 
       - name: All-deps minimum versions policy
         run: |
-          python ci/min_deps_check.py ci/requirements/min-all-deps.yml
+          python ci/minimum_versions.py ci/requirements/min-all-deps.yml
 
       - name: Bare minimum versions policy
         run: |
-          python ci/min_deps_check.py ci/requirements/bare-minimum.yml
+          python ci/minimum_versions.py ci/requirements/bare-minimum.yml

.github/workflows/ci.yaml

@@ -159,7 +159,7 @@ jobs:
           path: pytest.xml
 
       - name: Upload code coverage to Codecov
-        uses: codecov/codecov-action@v4.6.0
+        uses: codecov/codecov-action@v5.0.2
         with:
           file: ./coverage.xml
           flags: unittests

.github/workflows/hypothesis.yaml

@@ -37,12 +37,12 @@ jobs:
     runs-on: "ubuntu-latest"
     needs: detect-ci-trigger
     if: |
-        always()
-        && (
-            needs.detect-ci-trigger.outputs.triggered == 'false'
-            && ( (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch')
-                || contains( github.event.pull_request.labels.*.name, 'run-slow-hypothesis'))
-        )
+      always()
+      && (
+          needs.detect-ci-trigger.outputs.triggered == 'false'
+          && ( (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch')
+              || contains( github.event.pull_request.labels.*.name, 'run-slow-hypothesis'))
+      )
     defaults:
       run:
         shell: bash -l {0}
@@ -92,8 +92,8 @@ jobs:
         if: success()
         id: status
         run: |
-           python -m pytest --hypothesis-show-statistics --run-slow-hypothesis properties/*.py \
-             --report-log output-${{ matrix.python-version }}-log.jsonl
+          python -m pytest --hypothesis-show-statistics --run-slow-hypothesis properties/*.py \
+            --report-log output-${{ matrix.python-version }}-log.jsonl
 
       # explicitly save the cache so it gets updated, also do this even if it fails.
       - name: Save cached hypothesis directory