Move slow linters back to tox -e lint.

Those checkers are not able to work on single files present in a commit but need conecptionally work on the whole repository (check-manifest) and thus are not suited to be run before each commit, but only in the CI.

.github/workflows/tests.yml

@@ -22,6 +22,7 @@ jobs:
         - ["macos", "macos-11"]
         config:
         # [Python version, tox env]
+        - ["3.9",   "lint"]
         - ["3.7",   "py37"]
         - ["3.8",   "py38"]
         - ["3.9",   "py39"]
@@ -31,8 +32,10 @@ jobs:
         - ["3.9",   "docs"]
         - ["3.9",   "coverage"]
         exclude:
+          - { os: ["windows", "windows-latest"], config: ["3.9",   "lint"] }
           - { os: ["windows", "windows-latest"], config: ["3.9",   "docs"] }
           - { os: ["windows", "windows-latest"], config: ["3.9",   "coverage"] }
+          - { os: ["macos", "macos-11"], config: ["3.9",   "lint"] }
           - { os: ["macos", "macos-11"], config: ["3.9",   "docs"] }
           - { os: ["macos", "macos-11"], config: ["3.9",   "coverage"] }
           # macOS/Python 3.11+ is set up for universal2 architecture

.pre-commit-config.yaml

@@ -32,11 +32,3 @@ repos:
     hooks:
     - id: teyit
       exclude: src/App/tests/fixtures/error.py  # invalid syntax
-  - repo: https://github.com/mgedmin/check-manifest
-    rev: "0.49"
-    hooks:
-    - id: check-manifest
-  - repo: https://github.com/mgedmin/check-python-versions
-    rev: "0.21.3"
-    hooks:
-    - id: check-python-versions

tox.ini

@@ -3,6 +3,7 @@
 [tox]
 minversion = 3.18
 envlist =
+    lint
     py37
     py38
     py39
@@ -30,6 +31,16 @@ commands =
     {envdir}/bin/alltests --layer '!Products.PluginIndexes' {posargs:-vc}
 allowlist_externals = *
 
+[testenv:lint]
+basepython = python3
+commands_pre =
+commands =
+    check-manifest
+    check-python-versions
+deps =
+    check-manifest
+    check-python-versions
+
 [testenv:pre-commit]
 basepython = python3
 description = This env runs all linters configured in .pre-commit-config.yaml