Hello tox.

pyproject.toml

@@ -11,10 +11,7 @@ authors = [
     {name = "Julien Palard", email = "julien@palard.fr"},
 ]
 requires-python = ">= 3.7"
-dependencies = [
-    "matplotlib >= 3.1, <4",
-    "sympy >= 1.2, <2",
-]
+dependencies = []
 dynamic = ["version"]
 
 [project.urls]
@@ -31,3 +28,5 @@ find = {}
 
 [tool.setuptools.dynamic.version]
 attr = "sequences.__version__"
+
+[tool.black]

sequences/__init__.py

@@ -1,4 +1,4 @@
-"""La doc"""
+"""Sequences implementations."""
 
 __version__ = "0.1b1"
 

sequences/__main__.py

@@ -1,3 +1,5 @@
+"""Package entry point."""
+
 from sequences.sequences import main
 
 main()

sequences/sequences.py

@@ -1,16 +1,19 @@
+"""Implementation of a few (one actually) integer sequences."""
+
 # from functools import lru_cache
 lru_cache = __import__("functools").lru_cache
 
 
 @lru_cache(1024)
 def fib(n: int) -> int:
-    """La doc de fib"""
+    """Compute the fib sequence value for n."""
     if n < 2:
         return 1
-    return fib(n-1) + fib(n-2)
+    return fib(n - 1) + fib(n - 2)
 
 
 def main():
+    """Run the fib function from command line."""
     import argparse
 
     parser = argparse.ArgumentParser()

tests/test_fib.py

@@ -0,0 +1,10 @@
+from sequences import fib
+
+
+def test_fib_head():
+    assert fib(0) == fib(1) == 1
+
+
+def test_fib_next():
+    assert fib(2) > 1
+    assert fib(3) > 1

tox.ini

@@ -0,0 +1,53 @@
+[flake8]
+max-line-length = 88
+
+[tox]
+envlist = py3{7,8,9,10,11,12,13}, flake8, mypy, black, pylint, pydocstyle, isort, ruff, bandit
+isolated_build = True
+skip_missing_interpreters = True
+
+[testenv]
+deps =
+  pytest
+commands = pytest
+
+[testenv:flake8]
+deps =
+  flake8
+  flake8-bugbear
+skip_install = True
+commands = flake8 --max-complexity=8 tests/ sequences
+
+[testenv:black]
+deps = black
+skip_install = True
+commands = black --check --diff tests/ sequences
+
+[testenv:mypy]
+deps = mypy
+skip_install = True
+commands = mypy --ignore-missing-imports sequences
+
+[testenv:pylint]
+deps = pylint
+commands = pylint --disable import-outside-toplevel sequences
+
+[testenv:pydocstyle]
+deps = pydocstyle
+skip_install = True
+commands = pydocstyle sequences
+
+[testenv:isort]
+deps = isort
+skip_install = True
+commands = isort --profile=black --check sequences
+
+[testenv:ruff]
+deps = ruff
+skip_install = True
+commands = ruff check sequences
+
+[testenv:bandit]
+deps = bandit
+skip_install = True
+commands = bandit sequences