Add mypy checks for xmlschema>=3.1.0

  - mypy: full compliant if xmlschema>=3.1.0, some error
    codes with v3.0.2, more errors with older versions;
  - Keep test env with v2.5.1, remove older ones and add recent releases.

setup.py

@@ -31,7 +31,7 @@
     long_description=long_description,
     python_requires='>=3.8',
     extras_require={
-        'dev': ['tox', 'coverage', 'lxml', 'xmlschema>=2.2.3', 'Sphinx',
+        'dev': ['tox', 'coverage', 'lxml', 'xmlschema>=3.3.2', 'Sphinx',
                 'memory-profiler', 'memray', 'flake8', 'mypy', 'lxml-stubs']
     },
     classifiers=[

tox.ini

@@ -8,22 +8,22 @@ min_version = 4.0
 envlist =
     py{38,39,310,311,312,313}, pypy3, docs, flake8,
     mypy-py{38,39,310,311,312,py3}, pytest, coverage,
-    xmlschema{223,231,240,251,301,332}, w3c-xsdtests
+    xmlschema{251,302,310,321,332}, w3c-xsdtests
 skip_missing_interpreters = true
 work_dir = {tox_root}/../.tox/elementpath
 
 [testenv]
 deps =
     lxml
     lxml-stubs
-    xmlschema>=3.0.1
+    xmlschema>=3.0.2
     docs: Sphinx
     coverage: coverage
 commands = python -m unittest
 
 [testenv:py313]
 deps =
-    xmlschema>=3.0.1
+    xmlschema>=3.0.2
 commands = python -m unittest
 
 [testenv:docs]
@@ -47,7 +47,7 @@ commands =
 [testenv:mypy-py{38,39,310,311,312,py3}]
 deps =
     mypy==1.11.2
-    xmlschema>=3.0.1
+    xmlschema>=3.1.0
     lxml-stubs
 commands =
     mypy --strict elementpath
@@ -65,32 +65,38 @@ deps =
     pytest-randomly
     lxml
     lxml-stubs
-    xmlschema>=3.0.1
+    xmlschema>=3.0.2
 commands =
     pytest tests -ra
 
-[testenv:xmlschema{223,231,240,251,301,332}]
+[testenv:xmlschema{251,302,310,321,332}]
+description = Run xmlschema tests and mypy on xmlschema source (>=3.1.0)
 platform = (linux|darwin)
 set_env =
-    xmlschema223: VERSION = 2.2.3
-    xmlschema231: VERSION = 2.3.1
-    xmlschema240: VERSION = 2.4.0
     xmlschema251: VERSION = 2.5.1
-    xmlschema301: VERSION = 3.0.1
+    xmlschema302: VERSION = 3.0.2
+    xmlschema310: VERSION = 3.1.0
+    xmlschema321: VERSION = 3.2.1
     xmlschema332: VERSION = 3.3.2
 change_dir = {env_tmp_dir}
 deps =
+    mypy==1.11.2
     lxml
     lxml-stubs
     jinja2
     xmlschema=={env:VERSION}
 commands =
     pip download xmlschema=={env:VERSION} --no-deps --no-binary xmlschema
     tar xzf xmlschema-{env:VERSION}.tar.gz --strip-components=1
+    bash -c 'if [[ "{env:VERSION}" > "3.0.2" ]]; then mypy --strict xmlschema; fi'
     python tests/test_all.py
-allowlist_externals = tar
+
+allowlist_externals =
+    bash
+    tar
 
 [testenv:w3c-xsdtests]
+description = Run W3C XSD 1.0/1.1 tests using xmlschema==3.0.2
 platform = (linux|darwin)
 set_env =
     VERSION = 3.0.2