[ci] move mypy to pre-commit (#7062)

.ci/lint-all.sh

@@ -9,17 +9,14 @@ pwsh -file ./.ci/lint-powershell.ps1 || exit 1
 conda create -q -y -n test-env \
     "python=3.13[build=*_cp*]" \
     'biome>=1.9.3' \
-    'matplotlib-base>=3.9.1' \
-    'mypy>=1.11.1' \
     'pre-commit>=3.8.0' \
-    'pyarrow-core>=17.0' \
-    'scikit-learn>=1.5.2' \
     'r-lintr>=3.1.2'
 
 # shellcheck disable=SC1091
 source activate test-env
 
-bash ./.ci/run-pre-commit-mypy.sh || exit 1
+echo "Running pre-commit checks"
+pre-commit run --all-files || exit 1
 
 echo "Linting R code"
 Rscript ./.ci/lint-r-code.R "$(pwd)" || exit 1

.ci/run-pre-commit-mypy.sh

-#!/bin/bash
-
-set -e -E -u -o pipefail
-
-echo "running pre-commit checks"
-pre-commit run --all-files || exit 1
-echo "done running pre-commit checks"
-
-echo "running mypy"
-mypy \
-    --config-file=./python-package/pyproject.toml \
-    ./python-package \
-|| true
-echo "done running mypy"

.pre-commit-config.yaml

@@ -88,3 +88,13 @@ repos:
     hooks:
       - id: validate-pyproject
         files: python-package/pyproject.toml$
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.18.2
+    hooks:
+      - id: mypy
+        verbose: true
+        entry: bash -c 'mypy --config-file=./python-package/pyproject.toml ./python-package || true'
+        additional_dependencies:
+          - matplotlib>=3.9.1
+          - pyarrow>=17.0
+          - scikit-learn>=1.5.2

python-package/README.rst

@@ -346,7 +346,7 @@ To check that a contribution to the package matches its style expectations, run
 
 .. code:: sh
 
-    bash .ci/run-pre-commit-mypy.sh
+    pre-commit run --all-files
 
 To run the tests locally and compute test coverage, install the Python package using one of the options mentioned above.
 Then run the following from the root of the repo.