Add trusted publishing release workflow

.github/actions/release-smoke-package/action.yml

@@ -0,0 +1,43 @@
+name: Release package smoke test
+description: Install a published temporalio package and run a minimal SDK workflow.
+inputs:
+  version:
+    description: "Package version to install and verify"
+    required: true
+  index-url:
+    description: "Primary package index URL"
+    required: true
+  dependency-index-url:
+    description: "Optional dependency package index URL"
+    required: false
+    default: ""
+runs:
+  using: composite
+  steps:
+    - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      with:
+        python-version: "3.10"
+    - name: Install package
+      shell: bash
+      env:
+        VERSION: ${{ inputs.version }}
+        INDEX_URL: ${{ inputs.index-url }}
+        DEPENDENCY_INDEX_URL: ${{ inputs.dependency-index-url }}
+      run: |
+        set -euo pipefail
+        python -m venv .venv
+        .venv/bin/python -m pip install --upgrade pip
+
+        install_args=(--version "$VERSION" --index-url "$INDEX_URL")
+        if [[ -n "$DEPENDENCY_INDEX_URL" ]]; then
+          install_args+=(--dependency-index-url "$DEPENDENCY_INDEX_URL")
+        fi
+
+        .venv/bin/python .github/scripts/install_release_package.py "${install_args[@]}"
+    - name: Run SDK smoke test
+      shell: bash
+      env:
+        VERSION: ${{ inputs.version }}
+      run: |
+        set -euo pipefail
+        .venv/bin/python .github/scripts/release_smoke_package.py

.github/scripts/install_release_package.py

@@ -0,0 +1,54 @@
+"""Install a release package for smoke testing."""
+
+from __future__ import annotations
+
+import argparse
+import importlib.metadata
+import subprocess
+import sys
+from collections.abc import Sequence
+
+
+def _pip_install(args: Sequence[str]) -> None:
+    subprocess.check_call([sys.executable, "-m", "pip", "install", *args])
+
+
+def install_package(args: argparse.Namespace) -> None:
+    package = f"temporalio=={args.version}"
+    if args.dependency_index_url:
+        _pip_install(
+            [
+                "--prefer-binary",
+                "--index-url",
+                args.index_url,
+                "--no-deps",
+                package,
+            ]
+        )
+
+        requirements = importlib.metadata.requires("temporalio") or []
+        if requirements:
+            _pip_install(
+                [
+                    "--prefer-binary",
+                    "--index-url",
+                    args.dependency_index_url,
+                    *requirements,
+                ]
+            )
+    else:
+        _pip_install(["--prefer-binary", "--index-url", args.index_url, package])
+
+    subprocess.check_call([sys.executable, "-m", "pip", "check"])
+
+
+def main(argv: Sequence[str] | None = None) -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--version", required=True)
+    parser.add_argument("--index-url", required=True)
+    parser.add_argument("--dependency-index-url")
+    install_package(parser.parse_args(argv))
+
+
+if __name__ == "__main__":
+    main()

.github/scripts/release_smoke_package.py

@@ -0,0 +1,59 @@
+"""Smoke test an installed temporalio release package."""
+
+from __future__ import annotations
+
+import asyncio
+import os
+import uuid
+from datetime import timedelta
+
+import temporalio
+from temporalio import activity, workflow
+from temporalio.testing import WorkflowEnvironment
+from temporalio.worker import UnsandboxedWorkflowRunner, Worker
+
+
+@activity.defn
+async def say_hello(name: str) -> str:
+    return f"Hello, {name}!"
+
+
+@workflow.defn
+class SmokeWorkflow:
+    @workflow.run
+    async def run(self, name: str) -> str:
+        return await workflow.execute_activity(
+            say_hello,
+            name,
+            start_to_close_timeout=timedelta(seconds=10),
+        )
+
+
+async def main() -> None:
+    expected_version = os.environ["VERSION"]
+    if temporalio.__version__ != expected_version:
+        raise RuntimeError(
+            f"Expected temporalio {expected_version}, got {temporalio.__version__}"
+        )
+
+    task_queue = f"release-smoke-{uuid.uuid4()}"
+    async with await WorkflowEnvironment.start_local() as env:
+        async with Worker(
+            env.client,
+            task_queue=task_queue,
+            workflows=[SmokeWorkflow],
+            activities=[say_hello],
+            workflow_runner=UnsandboxedWorkflowRunner(),
+        ):
+            result = await env.client.execute_workflow(
+                SmokeWorkflow.run,
+                "trusted publishing",
+                id=task_queue,
+                task_queue=task_queue,
+            )
+    if result != "Hello, trusted publishing!":
+        raise RuntimeError(f"Unexpected workflow result: {result!r}")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())

.github/scripts/release_verify.py

@@ -0,0 +1,130 @@
+"""Release workflow validation helpers."""
+
+from __future__ import annotations
+
+import argparse
+import ast
+import pathlib
+import re
+from collections.abc import Sequence
+
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import toml as tomllib  # type: ignore[no-redef]
+
+
+def _checked_in_version() -> str:
+    pyproject_version = tomllib.loads(pathlib.Path("pyproject.toml").read_text())[
+        "project"
+    ]["version"]
+    service_tree = ast.parse(pathlib.Path("temporalio/service.py").read_text())
+    service_version = None
+    for stmt in service_tree.body:
+        if (
+            isinstance(stmt, ast.Assign)
+            and any(
+                isinstance(target, ast.Name) and target.id == "__version__"
+                for target in stmt.targets
+            )
+            and isinstance(stmt.value, ast.Constant)
+            and isinstance(stmt.value.value, str)
+        ):
+            service_version = stmt.value.value
+            break
+
+    if pyproject_version != service_version:
+        raise RuntimeError(
+            f"pyproject.toml version {pyproject_version!r} does not match "
+            f"temporalio/service.py version {service_version!r}"
+        )
+    if pyproject_version.startswith("v"):
+        raise RuntimeError("Checked-in version must not start with 'v'")
+    if not re.fullmatch(r"[0-9]+(?:\.[0-9]+)+(?:[a-zA-Z0-9_.+-]+)?", pyproject_version):
+        raise RuntimeError(f"Invalid checked-in version: {pyproject_version!r}")
+    return pyproject_version
+
+
+def _write_github_output(path: pathlib.Path, *, version: str, sha: str) -> None:
+    with path.open("a", encoding="utf-8") as output:
+        print(f"version={version}", file=output)
+        print(f"sha={sha}", file=output)
+
+
+def validate_version(args: argparse.Namespace) -> None:
+    version = _checked_in_version()
+    if args.github_output:
+        _write_github_output(
+            pathlib.Path(args.github_output),
+            version=version,
+            sha=args.sha,
+        )
+    else:
+        print(version)
+
+
+def verify_dist(args: argparse.Namespace) -> None:
+    dist_dir = pathlib.Path(args.dist_dir)
+    files = sorted(path.name for path in dist_dir.iterdir() if path.is_file())
+    wheels = [name for name in files if name.endswith(".whl")]
+    sdists = [name for name in files if name.endswith(".tar.gz")]
+
+    if len(files) != len(set(files)):
+        raise RuntimeError("Duplicate distribution filenames found")
+    expected_sdist = f"temporalio-{args.version}.tar.gz"
+    if sdists != [expected_sdist]:
+        raise RuntimeError(f"Expected only sdist {expected_sdist!r}, found {sdists!r}")
+    if len(wheels) != 5:
+        raise RuntimeError(
+            f"Expected 5 platform wheels, found {len(wheels)}: {wheels!r}"
+        )
+
+    for name in files:
+        if not name.startswith(f"temporalio-{args.version}"):
+            raise RuntimeError(
+                f"Distribution filename does not match requested version "
+                f"{args.version!r}: {name}"
+            )
+
+    expected_platforms = {
+        "linux-x86_64": lambda name: "manylinux" in name and "x86_64" in name,
+        "linux-aarch64": lambda name: "manylinux" in name and "aarch64" in name,
+        "macos-x86_64": lambda name: "macosx" in name and "x86_64" in name,
+        "macos-arm64": lambda name: "macosx" in name and "arm64" in name,
+        "windows-amd64": lambda name: "win_amd64" in name,
+    }
+    missing = [
+        platform
+        for platform, predicate in expected_platforms.items()
+        if not any(predicate(name) for name in wheels)
+    ]
+    if missing:
+        raise RuntimeError(
+            f"Missing expected platform wheels: {missing!r}; found {wheels!r}"
+        )
+
+    print("Verified release artifacts:")
+    for name in files:
+        print(f"  {name}")
+
+
+def main(argv: Sequence[str] | None = None) -> None:
+    parser = argparse.ArgumentParser()
+    subparsers = parser.add_subparsers(required=True)
+
+    validate_parser = subparsers.add_parser("validate-version")
+    validate_parser.add_argument("--sha", required=True)
+    validate_parser.add_argument("--github-output")
+    validate_parser.set_defaults(func=validate_version)
+
+    verify_parser = subparsers.add_parser("verify-dist")
+    verify_parser.add_argument("--version", required=True)
+    verify_parser.add_argument("--dist-dir", default="dist")
+    verify_parser.set_defaults(func=verify_dist)
+
+    args = parser.parse_args(argv)
+    args.func(args)
+
+
+if __name__ == "__main__":
+    main()