Upgrade to v8 13.2 and use native aarch64 runners

.github/workflows/build.yml

@@ -32,44 +32,36 @@ jobs:
     - name: Build
       run: python -m build --sdist
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: sdist
         path: dist/*
         if-no-files-found: error
 
   # We build for Linux using uraimo/run-on-arch-action@v2, which runs a container under
   # the runner in order to reach different platforms (notably Alpine with its musl) and
-  # architectures (notably aarch64) via emulation. uraimo/run-on-arch-action@v2 doesn't
-  # support Mac or Windows, so we run a separate job for those.
+  # architectures. uraimo/run-on-arch-action@v2 doesn't support Mac or Windows, so we
+  # run a separate job for those.
   linux-wheels:
-    name: Build wheel for ${{ matrix.image }}
-    runs-on: ubuntu-latest
+    name: Build wheel for ${{ matrix.config.image }} on ${{ matrix.config.os }}
+    runs-on: ${{ matrix.config.os }}
     strategy:
       fail-fast: false
       matrix:
-        image:
+        config:
           # To maximize compatibility of generated wheels, we should theoreticaly build
           # on the *oldest* supported distros.
           # But V8 ships its own bullseye sysroot and links against that, so we may as
           # well run on bullseye (even though buster would provide an older supported
           # build distro):
-          - debian:bullseye
-          - arm64v8/debian:bullseye
-          # Alpine 3.19 includes a clang new enough for V8 to build (with only minor
-          # patches!). Builds on 3.19 seem incompatible with <= 3.18 due to libstdc++
-          # symbols. (And we can't just run on an old Alpine and update clang from the
-          # llvm site, because unlike Debian, the llvm project doesn't maintain
-          # updated packages for old Alpine distros.)
-          - alpine:3.19
-          - arm64v8/alpine:3.19
-        exclude:
-          # The aarch64 builds run really slowly, so let's skip them except for
-          # releases.
-          # For more info on this GitHub Actions hack, see:
-          # https://stackoverflow.com/questions/65384420/how-do-i-make-a-github-action-matrix-element-conditional#answer-73822998
-          - image: ${{ !startsWith(github.ref, 'refs/heads/release/') && 'arm64v8/debian:bullseye' }}
-          - image: ${{ !startsWith(github.ref, 'refs/heads/release/') && 'arm64v8/alpine:3.19' }}
+          - os: ubuntu-latest  # x86_64 base OS (on which we run a container)
+            image: debian:bullseye
+          - os: ubuntu-latest
+            image: alpine:3.19
+          - os: ubuntu-24.04-arm
+            image: arm64v8/debian:bullseye
+          - os: ubuntu-24.04-arm
+            image: arm64v8/alpine:3.19
 
     steps:
     - name: Configure git
@@ -90,7 +82,7 @@ jobs:
       with:
         arch: none
         distro: none
-        base_image: ${{ matrix.image }}
+        base_image: ${{ matrix.config.image }}
 
         setup: |
           mkdir -p "${PWD}/wheels"
@@ -101,7 +93,7 @@ jobs:
         shell: /bin/sh
 
         install: |
-          case "${{ matrix.image }}" in
+          case "${{ matrix.config.image }}" in
             *debian*)
               # Let's download some system packages!
               # Note that the precise list of packages we need is intertwined not just
@@ -232,7 +224,7 @@ jobs:
           cp dist/*.whl /wheels/
           chmod a+rwx /wheels/*.whl
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: wheels
         path: ./wheels/*
@@ -243,7 +235,7 @@ jobs:
       with:
         arch: none
         distro: none
-        base_image: ${{ matrix.image }}
+        base_image: ${{ matrix.config.image }}
 
         setup: |
           mkdir -p "${PWD}/wheels"
@@ -254,7 +246,7 @@ jobs:
         shell: /bin/sh
 
         install: |
-          case "${{ matrix.image }}" in
+          case "${{ matrix.config.image }}" in
             *debian*)
               PACKAGES=""
               PACKAGES="${PACKAGES} python3"
@@ -280,7 +272,7 @@ jobs:
 
           python3 -m venv /venv
           . /venv/bin/activate
-          case "${{ matrix.image }}" in
+          case "${{ matrix.config.image }}" in
             *debian*)
               python3 -m pip install --upgrade hatch hatch-fancy-pypi-readme hatch-mkdocs
               hatch run testinstalled:install /wheels/*.whl
@@ -307,7 +299,7 @@ jobs:
           # Note that to maximize compatibility of generated wheels, we build on the
           # *oldest* supported GitHub-hosted runners, per
           # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners
-          - os: windows-2019  # x86_64
+          - os: windows-latest  # x86_64
           - os: macos-11  # this is the earliest x86_64 runner
           - os: macos-14  # this is the earliest arm64 runner
 
@@ -336,7 +328,7 @@ jobs:
         python3 -m pip install --upgrade build
         python3 -m build --wheel
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: wheels
         path: dist/*
@@ -359,7 +351,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
 
     - name: Compute release version
       run: |
@@ -386,7 +378,7 @@ jobs:
     permissions:
       id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
     steps:
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
 
     - name: Make dist directory
       run: mkdir dist && cp wheels/* sdist/* dist/

ARCHITECTURE.md

@@ -154,8 +154,8 @@ PyMiniRacer!) which wants to integrate V8 must first build it.
 ### Build PyPI wheels
 
 Because V8 takes so long to build (about 2-3 hours at present on the free GitHub Actions
-runners, and >12 hours when emulating `aarch64` on them), we want to build wheels for
-PyPI. We don't want folks to have to build V8 when they `pip install mini-racer`!
+runners), we want to build wheels for PyPI. We don't want folks to have to build V8 when
+they `pip install mini-racer`!
 
 We build wheels for many operating systems and architectures based on popular demand via
 GitHib issues. Currently the list is
@@ -238,6 +238,11 @@ wouldn't simplify the overall workflow management.
 
 ### Use `sccache` to patch around build timeouts
 
+**Update: We still use `sscache` but with
+[the new Github-hosted `aarch64` runners](https://github.com/actions/runner-images/issues/10820),
+this should no longer be strictly required. We no longer run builds on emulation as
+discussed below.**
+
 As of this writing, the Linux `aarch64` builds run on emulation becaues GitHub Actions
 has no free hosted `aarch64` runners for Linux. This makes them so slow, they struggle
 to complete at all. They take about 24 hours to run. The GitHub Actions

CONTRIBUTING.md

@@ -50,6 +50,7 @@ If you are proposing a feature:
 Ready to contribute? Here's how to set up `PyMiniRacer` for local development.
 
 !!! warning
+
     Building this package from source takes several GB of disk space and takes 1-2 hours.
 
 1. Do a quick scan through [the architecture guide](ARCHITECTURE.md) before diving in.
@@ -220,6 +221,7 @@ To make an ordinary release from `main`:
     wheels to PyPI automatically.
 
     !!! warning
+
         As of this writing, the `aarch64` Linux builds are slow because they're running on
         emulation. They time out on the first try (and second and third and...) after 6
         hours. If you "restart failed jobs", they will quickly catch up to where where they

HISTORY.md

@@ -234,7 +234,7 @@
 
 ## 0.1.9 (2017-03-24)
 
-- Fix the compilation for Ubuntu 12.04 and glibc \< 2.17.
+- Fix the compilation for Ubuntu 12.04 and glibc < 2.17.
 
 ## 0.1.8 (2017-03-02)
 

helpers/v8_build.py

@@ -18,7 +18,7 @@
 LOGGER = getLogger(__name__)
 LOGGER.setLevel(DEBUG)
 ROOT_DIR = dirname(abspath(__file__))
-V8_VERSION = "branch-heads/12.6"
+V8_VERSION = "branch-heads/13.2"
 
 
 def local_path(path="."):

pyproject.toml

@@ -104,7 +104,7 @@ dependencies = [
 ]
 
 [[tool.hatch.envs.test.matrix]]
-python = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+python = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
 # An environment to test installed wheels
 [tool.hatch.envs.testinstalled]
@@ -120,7 +120,7 @@ dependencies = [
 ]
 
 [[tool.hatch.envs.testinstalled.matrix]]
-python = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+python = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
 [tool.hatch.envs.testinstalled.scripts]
 # A weird trick to smuggle the just-built wheel into the env, for matrix testing:

src/py_mini_racer/_value_handle.py

@@ -4,6 +4,7 @@
 from datetime import datetime, timezone
 from typing import (
     TYPE_CHECKING,
+    Any,
     ClassVar,
 )
 
@@ -23,9 +24,12 @@
     PythonJSConvertedTypes,
 )
 
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
 
 class _RawValueUnion(ctypes.Union):
-    _fields_: ClassVar[list[tuple[str, object]]] = [
+    _fields_: ClassVar[Sequence[tuple[str, Any]]] = [
         ("value_ptr", ctypes.c_void_p),
         ("bytes_val", ctypes.POINTER(ctypes.c_char)),
         ("char_p_val", ctypes.c_char_p),
@@ -35,7 +39,7 @@ class _RawValueUnion(ctypes.Union):
 
 
 class _RawValue(ctypes.Structure):
-    _fields_: ClassVar[list[tuple[str, object]]] = [
+    _fields_: ClassVar[Sequence[tuple[str, Any]]] = [
         ("value", _RawValueUnion),
         ("len", ctypes.c_size_t),
         ("type", ctypes.c_uint8),
@@ -52,7 +56,7 @@ class _RawValue(ctypes.Structure):
 class _ArrayBufferByte(ctypes.Structure):
     # Cannot use c_ubyte directly because it uses <B
     # as an internal type but we need B for memoryview.
-    _fields_: ClassVar[list[tuple[str, object]]] = [
+    _fields_: ClassVar[list[tuple[str, Any]]] = [
         ("b", ctypes.c_ubyte),
     ]
     _pack_ = 1