chore: Python 3.12 is the floor (NAPALM/driver-standard#6)

netOrk runs every driver in its own containers on Python 3.12, so 3.10
and 3.11 are no longer supported or tested. requires-python, mypy and
ruff move to 3.12, along with what ruff's pyupgrade rules then rewrite.

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- Python 3.12 is the floor (`requires-python = ">=3.12"`): netOrk runs every driver
+  on 3.12, so 3.10 and 3.11 are no longer tested (NAPALM/driver-standard#6).
+
 ## [0.3.0] - 2026-10-23
 
 The first release on PyPI.

README.md

@@ -57,7 +57,7 @@ Unverified assumptions, to be checked against real hardware:
 
 ## Install
 
-Python 3.10 or later.
+Python 3.12 or later.
 
 ```bash
 pip install napalm-vmware

napalm_vmware/_tasks.py

@@ -9,14 +9,12 @@ from __future__ import annotations
 
 import time
 from collections.abc import Callable
-from typing import Any, TypeVar
+from typing import Any
 
 from pyVmomi import vmodl
 
 from napalm_vmware._plain import to_plain
 
-T = TypeVar("T")
-
 _POLL_SECONDS = 0.5
 _FREE_LICENSE = (
     "the host runs the free vSphere Hypervisor license, which makes the "
@@ -31,7 +29,7 @@ def fault_message(fault: dict[str, Any]) -> str:
     return fault.get("localizedMessage") or fault.get("msg") or fault.get("_type", "unknown fault")
 
 
-def invoke(call: Callable[..., T], *args: Any, **kwargs: Any) -> T:
+def invoke[T](call: Callable[..., T], *args: Any, **kwargs: Any) -> T:
     """Run a vSphere call, re-raising any ``MethodFault`` as ``RuntimeError``."""
     try:
         return call(*args, **kwargs)

pyproject.toml

@@ -7,7 +7,7 @@ name = "napalm-vmware"
 version = "0.3.0"
 description = "NAPALM drivers for VMware ESXi hosts and vCenter Server (vSphere API via pyVmomi)"
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.12"
 license = "Apache-2.0"
 authors = [
     { name = "Christian Manivong", email = "christian@manivong.de" },
@@ -19,8 +19,6 @@ classifiers = [
     "Intended Audience :: System Administrators",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Topic :: System :: Networking",
@@ -69,7 +67,7 @@ markers = [
 
 [tool.ruff]
 line-length = 100
-target-version = "py310"
+target-version = "py312"
 
 [tool.ruff.lint]
 select = ["E", "F", "I", "UP", "B"]
@@ -79,7 +77,7 @@ select = ["E", "F", "I", "UP", "B"]
 "tests/**" = ["E501"]
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.12"
 strict = true
 # napalm itself is untyped, so every driver subclasses Any.
 disallow_subclassing_any = false

tests/test_plain.py

@@ -54,7 +54,7 @@ def test_lists_are_converted_elementwise():
 
 
 def test_datetime_becomes_epoch_seconds():
-    when = datetime.datetime(2026, 1, 1, tzinfo=datetime.timezone.utc)
+    when = datetime.datetime(2026, 1, 1, tzinfo=datetime.UTC)
     assert to_plain(when) == 1767225600.0