Move mypy configs from pre-commit to mypy config (#5110)

* Move mypy configs from pre-commit to mypy config

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* Added GH link

Author: max-sixty

.github/workflows/ci-additional.yaml

@@ -181,7 +181,7 @@ jobs:
           python xarray/util/print_versions.py
       - name: Run mypy
         run: |
-          python -m mypy xarray
+          python -m mypy .
 
   min-version-policy:
     name: Minimum Version Policy

.pre-commit-config.yaml

@@ -34,6 +34,7 @@ repos:
     rev: v0.812
     hooks:
       - id: mypy
+        # Copied from setup.cfg
         exclude: "properties|asv_bench"
   # run this occasionally, ref discussion https://github.com/pydata/xarray/pull/3194
   # - repo: https://github.com/asottile/pyupgrade

ci/requirements/mypy_only

@@ -1,3 +1,4 @@
 # used for the "Type checking (mypy)" CI run
 # version must correspond to the one in .pre-commit-config.yaml
+# See https://github.com/pydata/xarray/issues/4881 for more details.
 mypy=0.812

setup.cfg

@@ -162,6 +162,8 @@ default_section = THIRDPARTY
 known_first_party = xarray
 
 [mypy]
+exclude = properties|asv_bench|doc
+files = xarray/**/*.py
 show_error_codes = True
 
 # Most of the numerical computing stack doesn't have type annotations yet.
@@ -238,7 +240,6 @@ ignore_missing_imports = True
 [mypy-xarray.core.pycompat]
 ignore_errors = True
 
-
 [aliases]
 test = pytest