build: upgrade to python 3.12

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/devcontainers/python:3.9
+FROM mcr.microsoft.com/devcontainers/python:3.12
 
 RUN \
     pipx uninstall mypy \

.docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9 AS builder
+FROM python:3.12 AS builder
 
 RUN apt-get update && \
     apt-get install --no-install-recommends --no-install-suggests -y \
@@ -13,7 +13,7 @@ WORKDIR /source
 
 RUN rm -rf dist && /root/.local/bin/hatch build -t wheel
 
-FROM python:3.9-slim
+FROM python:3.12-slim
 
 WORKDIR /gvm-sync-targets
 

.github/workflows/python-tests.yml

@@ -13,9 +13,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - '3.9'
-          - '3.10'
-          - '3.11'
           - '3.12'
     steps:
     - uses: actions/checkout@v4

.pre-commit-config.yaml

@@ -59,7 +59,7 @@ repos:
   rev: 651c822fdcf45fffcf9743dc755085f32acb65e3
 - hooks:
   - args:
-    - --py39-plus
+    - --py312-plus
     id: pyupgrade
   repo: https://github.com/asottile/pyupgrade
   rev: 12af25eb252deaaecb6b259df40d01f42e716dc3

pyproject.toml

@@ -8,16 +8,13 @@ dynamic = ["version"]
 description = ''
 readme = "README.md"
 license = "MIT"
-requires-python = ">=3.9"
+requires-python = ">=3.12"
 authors = [{ name = "linuxdaemon", email = "linuxdaemon.irc@gmail.com" }]
 keywords = []
 classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
@@ -76,7 +73,7 @@ type = "container"
 dependencies = ["coverage[toml]>=6.5", "pytest>=6.0"]
 
 [[tool.hatch.envs.testall.matrix]]
-python = ["3.9", "3.10", "3.11", "3.12"]
+python = ["3.12"]
 
 [tool.isort]
 profile = "black"
@@ -87,12 +84,12 @@ float_to_top = true
 
 [tool.black]
 line-length = 80
-target-version = ["py39"]
+target-version = ["py312"]
 include = '\.pyi?$'
 
 [tool.ruff]
 line-length = 80
-target-version = 'py39'
+target-version = 'py312'
 
 [tool.ruff.format]
 docstring-code-format = true
@@ -123,6 +120,7 @@ ignore = [
     "ISC001", # Conflicts with formatter
     "EXE002", # pre-commit does it better, works with SMB shares
     "FA100",
+    "D",
 ]
 select = ["ALL"]
 
@@ -160,7 +158,7 @@ transform-concats = true
 
 [tool.mypy]
 namespace_packages = true
-python_version = "3.9"
+python_version = "3.12"
 warn_unused_configs = true
 strict = true
 strict_optional = true