Use dependency groups (#94)

* Use dependency groups

* Ensure dev env contains pytest

* Doesn't work

* Use dep group in dev env

* update ruff

.github/CONTRIBUTING.md

@@ -69,14 +69,14 @@ $ git submodule update   # update the vendored Argon2 C library to the version w
 Now an editable version of *argon2-cffi-bindings* along with its test requirements can be installed as usual:
 
 ```console
-$ python -Im pip install --upgrade pip setuptools cffi  # PLEASE don't skip this step
-$ python -Im pip install -e '.[dev]'
+$ python -Im pip install --upgrade pip  # PLEASE don't skip this step
+$ python -Im pip install -e . --group dev
 ```
 
 At this point,
 
 ```console
-$ python -m pytest
+$ python -Im pytest
 ```
 
 should work and pass.
@@ -99,8 +99,8 @@ You can also run them anytime (as our tox does) using:
 $ pre-commit run --all-files
 ```
 
-[^dev]: *pre-commit* should have been installed into your virtualenv automatically when you ran `pip install -e '.[dev]'` above.
-        If *pre-commit* is missing, your probably need to run `pip install -e '.[dev]'` again.
+[^dev]: *pre-commit* should have been installed into your virtualenv automatically when you ran `python -Im pip install -e . --group dev` above.
+        If *pre-commit* is missing, your probably need to run `python -Im pip install -e . --group dev` again.
 
 
 ## Code

.github/workflows/ci.yml

@@ -120,7 +120,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version-file: .python-version-default
-      - run: python -Im pip install -e .[dev]
+      - run: python -Im pip install -e . --group dev
 
       - name: Import package
         run: python -c 'from _argon2_cffi_bindings import ffi, lib; print(lib.ARGON2_VERSION_NUMBER)'
@@ -129,6 +129,9 @@ jobs:
       - run: ldd src/_argon2_cffi_bindings/_ffi.abi3.so
         if: startsWith(matrix.os , 'ubuntu')
 
+      - name: Check presence of pytest
+        run: pytest --version
+
   cog-check:
     name: Ensure cogified files are up-to-date
     runs-on: ubuntu-latest

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ ci:
 
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.2
+    rev: v0.12.7
     hooks:
       - id: ruff-check
         args: [--fix, --exit-non-zero-on-fix]

pyproject.toml

@@ -44,14 +44,15 @@ dependencies = [
     "cffi>=2.0.0b1; python_version >= '3.14'",
 ]
 
-[project.optional-dependencies]
+[dependency-groups]
 tests = ["pytest"]
-dev = ["argon2-cffi-bindings[tests]", "cogapp", "pre-commit", "wheel"]
+dev = [{ include-group = "tests" }, "cogapp", "pre-commit"]
+
 
 [project.urls]
 Tidelift = "https://tidelift.com/?utm_source=lifter&utm_medium=referral&utm_campaign=hynek"
 Changelog = "https://github.com/hynek/argon2-cffi-bindings/blob/main/CHANGELOG.md"
-GitHub= "https://github.com/hynek/argon2-cffi-bindings"
+GitHub = "https://github.com/hynek/argon2-cffi-bindings"
 Funding = "https://github.com/sponsors/hynek"
 
 
@@ -65,8 +66,8 @@ local_scheme = "no-local-version"
 
 
 [tool.cibuildwheel]
-build =  [
-    "cp39-*" ,  # We have portable abi3 wheels.
+build = [
+    "cp39-*",   # We have portable abi3 wheels.
     "cp314t-*", # Free-threading / nogil.
     "pp310-*",  # PyPy 3.9 is EOL and doesn't build on Windows anymore.
 ]

tox.ini

@@ -1,10 +1,3 @@
-[flake8]
-exclude = src/_argon2_cffi_bindings/_ffi.py
-ignore =
-    # Black vs flake8 conflict
-    E203
-
-
 [tox]
 min_version = 4
 env_list =
@@ -38,14 +31,14 @@ commands = cog --check -P README.md CHANGELOG.md
 
 [testenv]
 description = Run tests.
-extras = tests
+dependency_groups = tests
 commands = pytest {posargs}
 
 
 [testenv:system-argon2]
 description = Run tests against bindings that use a system installation of Argon2.
 set_env = ARGON2_CFFI_USE_SYSTEM=1
-extras = tests
+dependency_groups = tests
 install_command = pip install {opts} --no-binary=argon2-cffi-bindings {packages}