Drop support for Python 3.7 and test with 3.12

.github/workflows/tests.yml

@@ -14,16 +14,16 @@ jobs:
         include:
           - { python: "3.11", os: "ubuntu-latest", session: "pre-commit" }
           - { python: "3.11", os: "ubuntu-latest", session: "safety" }
+          - { python: "3.12", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.11", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.10", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.9", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.8", os: "ubuntu-latest", session: "mypy" }
-          - { python: "3.7", os: "ubuntu-latest", session: "mypy" }
+          - { python: "3.12", os: "ubuntu-latest", session: "tests" }
           - { python: "3.11", os: "ubuntu-latest", session: "tests" }
           - { python: "3.10", os: "ubuntu-latest", session: "tests" }
           - { python: "3.9", os: "ubuntu-latest", session: "tests" }
           - { python: "3.8", os: "ubuntu-latest", session: "tests" }
-          - { python: "3.7", os: "ubuntu-latest", session: "tests" }
           - { python: "3.11", os: "windows-latest", session: "tests" }
           - { python: "3.11", os: "macos-latest", session: "tests" }
           - { python: "3.11", os: "ubuntu-latest", session: "xdoctest" }

CONTRIBUTING.md

@@ -37,7 +37,7 @@ Request features on the [Issue Tracker].
 
 ## How to set up your development environment
 
-You need Python 3.7+ and [Poetry].
+You need Python 3.8+ and [Poetry].
 
 Install the package with development requirements:
 

README.md

@@ -50,7 +50,7 @@ $ pipx inject nox nox-poetry
 
 ## Requirements
 
-- Python 3.7+
+- Python 3.8+
 - Poetry >= 1.0.0
 
 You need to have a Poetry installation on your system.

noxfile.py

@@ -14,7 +14,7 @@
 
 
 package = "nox_poetry"
-python_versions = ["3.11", "3.10", "3.9", "3.8", "3.7"]
+python_versions = ["3.11", "3.10", "3.9", "3.8", "3.12"]
 nox.needs_version = ">= 2021.6.6"
 nox.options.sessions = (
     "pre-commit",

pyproject.toml

@@ -16,7 +16,7 @@ classifiers = [
 Changelog = "https://github.com/cjolowicz/nox-poetry/releases"
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = ">=3.8"
 nox = ">=2020.8.22"
 tomlkit = ">=0.7"
 packaging = ">=20.9"
@@ -31,27 +31,28 @@ xdoctest = {extras = ["colors"], version = ">=0.15.10"}
 sphinx = ">=4.3.2"
 sphinx-autobuild = ">=2021.3.14"
 pre-commit = ">=2.17.0"
-flake8 = {version = ">=4.0.1", python = ">= 3.8"}
+flake8 = ">=4.0.1"
 black = ">=22.3"
-flake8-bandit = {version = ">=2.1.2", python = ">= 3.8"}
-flake8-bugbear = {version = ">=22.1.11", python = ">= 3.8"}
-flake8-docstrings = {version = ">=1.6.0", python = ">= 3.8"}
-flake8-rst-docstrings = {version = ">=0.2.5", python = ">= 3.8"}
-pep8-naming = {version = ">=0.12.1", python = ">= 3.8"}
-darglint = ">=1.8.1"
+flake8-bandit = ">=2.1.2"
+flake8-bugbear = ">=22.1.11"
+flake8-docstrings = ">=1.6.0"
+flake8-rst-docstrings = ">=0.2.5"
+pep8-naming = ">=0.12.1"
+# TODO: The 'python < 4' constraint is a workaround to allow poetry to
+#       generate a lock file. Hopefully there's an alternative to darglint
+#       before Python 4 is released.
+darglint = {version = ">=1.8.1", python = "< 4"}
 pre-commit-hooks = ">=4.1.0"
 furo = ">=2022.1.2"
 Pygments = ">=2.11.2"
-poetry = ">=1.1.12"
+# TODO: Remove the 'python' constraint once poetry drops its own constraint
+poetry = {version=">=1.1.12", python="<4"}
 pytest-datadir = ">=1.3.1"
 typing-extensions = ">=4.0.1"
 pyupgrade = ">=2.31.0"
 isort = ">=5.10.1"
 myst-parser = ">=0.16.1"
 
-[tool.poetry.group.dev.dependencies]
-importlib-metadata = {version = "<6.8", python = "<3.8"}
-
 [tool.coverage.paths]
 source = ["src", "*/site-packages"]
 

tests/functional/data/dependency-group/pyproject.toml

@@ -5,7 +5,7 @@ description = ""
 authors = ["Your Name <you@example.com>"]
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.8"
 
 [tool.poetry.group.lint.dependencies]
 pyflakes = "^2.1.1"