Drop Python 3.8; Release v4.0.0

CHANGELOG.md

@@ -1,3 +1,13 @@
+## 4.0.0 (2025-10-17)
+
+### Fix
+
+- declare support for Taskgraph 17.x
+- added support for taskcluster-taskgraph v16.2.1 (#117)
+
+
+- drop support for Python 3.8
+
 ## 3.4.2 (2025-10-08)
 
 ## Added

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "mozilla-taskgraph"
-version = "3.4.2"
+version = "4.0.0"
 description = "Mozilla specific transforms and utilities for Taskgraph"
 readme = "README.md"
 authors = [
@@ -10,16 +10,15 @@ classifiers = [
   "Development Status :: 4 - Beta",
   "Environment :: Console",
   "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Topic :: Software Development",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
-  "taskcluster-taskgraph>=16.2.1,<17",
+  "taskcluster-taskgraph>=16.2.1,<18",
 ]
 
 [project.urls]

taskcluster/kinds/docker-image/kind.yml

@@ -10,4 +10,4 @@ tasks:
     fetch: {}
     python:
         args:
-            PYTHON_VERSIONS: "3.12 3.11 3.10 3.9 3.8"
+            PYTHON_VERSIONS: "3.12 3.11 3.10 3.9"

taskcluster/kinds/test/kind.yml

@@ -21,7 +21,7 @@ tasks:
     description: "Run Python unit tests."
     attributes:
       artifact_prefix: public
-    python-versions: ["3.12", "3.11", "3.10", "3.9", "3.8"]
+    python-versions: ["3.12", "3.11", "3.10", "3.9"]
     run:
       command: >-
         uv run coverage run --data-file $MOZ_ARTIFACT_DIR/coverage --context=py$UV_PYTHON -m pytest -vv

test/test_worker_types.py

@@ -1,6 +1,6 @@
 import inspect
 from pprint import pprint
-from typing import Dict, Optional, Tuple
+from typing import Optional
 
 import pytest
 from taskgraph.transforms.task import payload_builders
@@ -18,9 +18,9 @@ def build_payload(make_graph_config, make_transform_config, parameters):
     def inner(
         name: str,
         worker: dict,
-        extra_params: Optional[Dict] = None,
+        extra_params: Optional[dict] = None,
         raises: Optional[Exception] = None,
-    ) -> Optional[Tuple[Dict, Dict]]:
+    ) -> Optional[tuple[dict, dict]]:
         extra_params = extra_params or {}
 
         worker.setdefault("implementation", name)