Merge remote-tracking branch 'upstream/master' into dataset/quiver

* upstream/master:
  FIX: h5py>=3 string decoding (pydata#4893)
  Update matplotlib's canonical (pydata#4919)
  Adding vectorized indexing docs (pydata#4711)
  Allow fsspec URLs in open_(mf)dataset (pydata#4823)
  Fix typos in example notebooks (pydata#4908)
  pre-commit autoupdate CI (pydata#4906)
  replace the ci-trigger action with a external one (pydata#4905)
  Update area_weighted_temperature.ipynb (pydata#4903)
  hide the decorator from the test traceback (pydata#4900)
  Sort backends (pydata#4886)
  Compatibility with dask 2021.02.0 (pydata#4884)

Author: dcherian

.github/actions/detect-ci-trigger/action.yaml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 2
-      - uses: ./.github/actions/detect-ci-trigger
+      - uses: xarray-contrib/ci-trigger@v1
         id: detect-trigger
         with:
           keyword: "[skip-ci]"

.github/actions/detect-ci-trigger/script.sh

@@ -0,0 +1,41 @@
+name: "pre-commit autoupdate CI"
+
+on:
+  schedule:
+    - cron: "0 0 * * 0"  # every Sunday at 00:00 UTC
+  workflow_dispatch:
+
+
+jobs:
+  autoupdate:
+    name: 'pre-commit autoupdate'
+    runs-on: ubuntu-latest
+    if: github.repository == 'pydata/xarray'
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+      - name: Cache pip and pre-commit
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cache/pre-commit
+            ~/.cache/pip
+          key: ${{ runner.os }}-pre-commit-autoupdate
+      - name: setup python
+        uses: actions/setup-python@v2
+      - name: upgrade pip
+        run: python -m pip install --upgrade pip
+      - name: install pre-commit
+        run: python -m pip install --upgrade pre-commit
+      - name: version info
+        run: python -m pip list
+      - name: autoupdate
+        uses: technote-space/create-pr-action@837dbe469b39f08d416889369a52e2a993625c84
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          EXECUTE_COMMANDS: |
+            python -m pre_commit autoupdate
+          COMMIT_MESSAGE: 'pre-commit: autoupdate hook versions'
+          PR_TITLE: 'pre-commit: autoupdate hook versions'
+          PR_BRANCH_PREFIX: 'pre-commit/'
+          PR_BRANCH_NAME: 'autoupdate-${PR_ID}'

.github/workflows/ci-additional.yaml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 2
-      - uses: ./.github/actions/detect-ci-trigger
+      - uses: xarray-contrib/ci-trigger@v1
         id: detect-trigger
         with:
           keyword: "[skip-ci]"

.github/workflows/ci-pre-commit-autoupdate.yaml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 2
-      - uses: ./.github/actions/detect-ci-trigger
+      - uses: xarray-contrib/ci-trigger@v1
         id: detect-trigger
         with:
           keyword: "[test-upstream]"

.github/workflows/ci.yaml

@@ -8,10 +8,10 @@ dependencies:
   # - cdms2  # Not available on Windows
   # - cfgrib  # Causes Python interpreter crash on Windows: https://github.com/pydata/xarray/pull/3340
   - cftime
-  - dask<2021.02.0
+  - dask
   - distributed
   - h5netcdf
-  - h5py=2
+  - h5py
   - hdf5
   - hypothesis
   - iris

.github/workflows/upstream-dev-ci.yaml

@@ -3,16 +3,17 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
+  - aiobotocore
   - boto3
   - bottleneck
   - cartopy
   - cdms2
   - cfgrib
   - cftime
-  - dask<2021.02.0
+  - dask
   - distributed
   - h5netcdf
-  - h5py=2
+  - h5py
   - hdf5
   - hypothesis
   - iris

ci/requirements/environment-windows.yml

@@ -4,6 +4,8 @@ channels:
   - nodefaults
 dependencies:
   - python=3.8
+  - black
+  - aiobotocore
   - boto3
   - bottleneck
   - cartopy
@@ -12,7 +14,7 @@ dependencies:
   - cftime
   - coveralls
   - h5netcdf
-  - h5py=2
+  - h5py
   - hdf5
   - hypothesis
   - lxml    # Optional dep of pydap

ci/requirements/environment.yml

@@ -415,7 +415,7 @@
     "numpy": ("https://numpy.org/doc/stable", None),
     "scipy": ("https://docs.scipy.org/doc/scipy/reference", None),
     "numba": ("https://numba.pydata.org/numba-doc/latest", None),
-    "matplotlib": ("https://matplotlib.org", None),
+    "matplotlib": ("https://matplotlib.org/stable/", None),
     "dask": ("https://docs.dask.org/en/latest", None),
     "cftime": ("https://unidata.github.io/cftime", None),
     "rasterio": ("https://rasterio.readthedocs.io/en/latest", None),