Update minimum supported Python versions to 3.10 and add tox configuration for full test suite.

Author: davidpirogov

pyproject.toml

@@ -6,9 +6,10 @@ readme = "README.md"
 authors = [
     { name = "Johann Schopplich", email = "hello@johannschopplich.com" }
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 dependencies = [
-    "typing-extensions>=4.0.0; python_version < '3.10'",
+    "tox>=4.25.0",
+    "tox-uv>=1.13.1",
 ]
 license = { text = "MIT" }
 keywords = ["toon", "serialization", "llm", "data-format", "token-efficient"]
@@ -17,8 +18,6 @@ classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -65,7 +64,7 @@ show_missing = true
 skip_covered = false
 
 [tool.ruff]
-target-version = "py38"
+target-version = "py310"
 line-length = 100
 
 [tool.ruff.lint]
@@ -83,7 +82,7 @@ quote-style = "double"
 indent-style = "space"
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 warn_return_any = false
 warn_unused_configs = true
 disallow_untyped_defs = false

tox.ini

@@ -0,0 +1,71 @@
+[tox]
+requires =
+    tox>=4
+envlist = py310, py311, py312, py313, py314, py314t, coverage
+skip_missing_interpreters =
+    True
+
+[testenv]
+deps =
+    pytest>=8.4.2
+    pytest-cov>=6.3.0
+    pytest-asyncio>=1.1.0
+    pytest-mock>=3.15.0
+    pytest-timeout>=2.4.0
+    pytest-xdist>=3.8.0
+commands =
+    pytest
+
+[testenv:py]
+description = run tests with the current interpreter (used by CI)
+commands =
+    pytest
+
+[testenv:fix]
+description = run code formatter and linter (auto-fix)
+skip_install = true
+deps =
+    pre-commit-uv>=4.1.1
+commands =
+    pre-commit run --all-files --show-diff-on-failure
+
+[testenv:lint]
+description = run linter via ruff
+skip_install = true
+deps =
+    ruff>=0.14.2
+commands =
+    ruff check {posargs:src tests}
+
+[testenv:format]
+description = run formatter via ruff
+skip_install = true
+deps =
+    ruff>=0.14.2
+commands =
+    ruff format {posargs:src tests}
+
+[testenv:format-check]
+description = check code formatting via ruff
+skip_install = true
+deps =
+    ruff>=0.14.2
+commands =
+    ruff format --check {posargs:src tests}
+
+[testenv:type]
+description = run type checker via mypy
+deps =
+    mypy
+commands =
+    mypy {posargs:src}
+
+[testenv:dev]
+runner = uv-venv-lock-runner
+description = dev environment
+extras =
+    dev
+    test
+    type
+commands =
+    uv pip tree