Merge branch 'main' into kvikio

* main: (41 commits)
  v2023.01.0 whats-new (pydata#7440)
  explain keep_attrs in docstring of apply_ufunc (pydata#7445)
  Add sentence to open_dataset docstring (pydata#7438)
  pin scipy version in doc environment (pydata#7436)
  Improve performance for backend datetime handling (pydata#7374)
  fix typo (pydata#7433)
  Add lazy backend ASV test (pydata#7426)
  Pull Request Labeler - Workaround sync-labels bug (pydata#7431)
  see also : groupby in resample doc and vice-versa (pydata#7425)
  Some alignment optimizations (pydata#7382)
  Make `broadcast` and `concat` work with the Array API (pydata#7387)
  remove `numbagg` and `numba` from the upstream-dev CI (pydata#7416)
  [pre-commit.ci] pre-commit autoupdate (pydata#7402)
  Preserve original dtype when accessing MultiIndex levels (pydata#7393)
  [pre-commit.ci] pre-commit autoupdate (pydata#7389)
  [pre-commit.ci] pre-commit autoupdate (pydata#7360)
  COMPAT: Adjust CFTimeIndex.get_loc for pandas 2.0 deprecation enforcement (pydata#7361)
  Avoid loading entire dataset by getting the nbytes in an array (pydata#7356)
  `keep_attrs` for pad (pydata#7267)
  Bump pypa/gh-action-pypi-publish from 1.5.1 to 1.6.4 (pydata#7375)
  ...

.git_archival.txt

@@ -1 +1,4 @@
+node: $Format:%H$
+node-date: $Format:%cI$
+describe-name: $Format:%(describe:tags=true,match=*[0-9]*)$
 ref-names: $Format:%D$

.github/labeler.yml

@@ -54,10 +54,6 @@ topic-indexing:
   - xarray/core/indexes.py
   - xarray/core/indexing.py
 
-run-benchmark:
-  - asv_bench/benchmarks/*
-  - asv_bench/benchmarks/**/*
-
 topic-performance:
   - asv_bench/benchmarks/*
   - asv_bench/benchmarks/**/*

.github/workflows/benchmarks.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   benchmark:
-    if: ${{ contains( github.event.pull_request.labels.*.name, 'run-benchmark') && github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch' }}
+    if: ${{ contains( github.event.pull_request.labels.*.name, 'run-benchmark') && github.event_name == 'pull_request' || contains( github.event.pull_request.labels.*.name, 'topic-performance') && github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch' }}
     name: Linux
     runs-on: ubuntu-20.04
     env:

.github/workflows/label-prs.yml

@@ -9,4 +9,6 @@ jobs:
     - uses: actions/labeler@main
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
-        sync-labels: false
+        # Workaround for sync-labels bug:
+        # https://github.com/actions/labeler/issues/112
+        sync-labels: ""

.github/workflows/pypi-release.yaml

@@ -72,7 +72,7 @@ jobs:
 
       - name: Publish package to TestPyPI
         if: github.event_name == 'push'
-        uses: pypa/gh-action-pypi-publish@v1.5.1
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           user: __token__
           password: ${{ secrets.TESTPYPI_TOKEN }}
@@ -90,7 +90,7 @@ jobs:
           name: releases
           path: dist
       - name: Publish package to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.5.1
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN }}

.github/workflows/testpypi-release.yaml

@@ -78,7 +78,7 @@ jobs:
 
       - name: Publish package to TestPyPI
         if: github.event_name == 'push'
-        uses: pypa/gh-action-pypi-publish@v1.5.1
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           user: __token__
           password: ${{ secrets.TESTPYPI_TOKEN }}

.pre-commit-config.yaml

@@ -1,32 +1,38 @@
 # https://pre-commit.com/
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v4.4.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
       - id: check-yaml
       - id: debug-statements
       - id: mixed-line-ending
+  - repo: https://github.com/MarcoGorelli/absolufy-imports
+    rev: v0.3.1
+    hooks:
+      - id: absolufy-imports
+        name: absolufy-imports
+        files: ^xarray/
     # This wants to go before isort & flake8
   - repo: https://github.com/PyCQA/autoflake
-    rev: "v1.7.7"
+    rev: "v2.0.0"
     hooks:
       - id: autoflake # isort should run before black as black sometimes tweaks the isort output
         args: ["--in-place", "--ignore-init-module-imports"]
   - repo: https://github.com/PyCQA/isort
-    rev: 5.10.1
+    rev: 5.11.4
     hooks:
       - id: isort
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.2.2
+    rev: v3.3.1
     hooks:
       - id: pyupgrade
         args:
           - "--py38-plus"
   # https://github.com/python/black#version-control-integration
   - repo: https://github.com/psf/black
-    rev: 22.10.0
+    rev: 22.12.0
     hooks:
       - id: black
       - id: black-jupyter
@@ -35,10 +41,10 @@ repos:
     hooks:
       - id: blackdoc
         exclude: "generate_aggregations.py"
-        additional_dependencies: ["black==22.10.0"]
+        additional_dependencies: ["black==22.12.0"]
       - id: blackdoc-autoupdate-black
   - repo: https://github.com/PyCQA/flake8
-    rev: 5.0.4
+    rev: 6.0.0
     hooks:
       - id: flake8
   # - repo: https://github.com/Carreau/velin

asv_bench/asv.conf.json

@@ -58,8 +58,7 @@
     //     "pip+emcee": [""],   // emcee is only available for install with pip.
     // },
     "matrix": {
-        "setuptools_scm[toml]": [""],  // GH6609
-        "setuptools_scm_git_archive": [""],  // GH6609
+        "setuptools_scm": [""],  // GH6609
         "numpy": [""],
         "pandas": [""],
         "netcdf4": [""],