Update tox.ini

tox.ini

@@ -1,8 +1,49 @@
+# tox configuration for running tests and checks across multiple environments.
 [tox]
-envlist = py36,py37,py38,py39
+# List of environments to run by default (using 'tox').
+# Includes modern Python versions (3.9+) and critical code quality checks.
+envlist = py39, py310, py311, py312, lint, mypy
 
+# ==================================
+# Base Configuration for Testing
+# ==================================
 [testenv]
+description = Run tests for Python {basepython}
+# Use the corresponding python version installed on the system
+basepython =
+    py39: python3.9
+    py310: python3.10
+    py311: python3.11
+    py312: python3.12
+
+# Install dependencies from the test requirements file
+deps =
+    -r requirements/requirements-test.txt
+
+# Commands to execute (running pytest with verbosity)
+commands =
+    pytest -v
+
+# ==================================
+# Code Quality Checks
+# ==================================
+
+# Environment for running code style checks (e.g., Flake8)
+[testenv:lint]
+description = Check code style with Flake8
+skip_install = True
+deps =
+    flake8
+commands =
+    flake8 {toxinidir}
+
+# Environment for running static type checks (e.g., Mypy)
+[testenv:mypy]
+description = Run static type checking with Mypy
+skip_install = True
 deps =
-    -rrequirements/requirements-test.txt
+    mypy
+    # Install test dependencies for type checking context (optional but recommended)
+    -r requirements/requirements-test.txt
 commands =
-    pytest
+    mypy {toxinidir}