Try building on Python 3.13b1.

.github/workflows/all.yml

@@ -437,18 +437,21 @@ jobs:
           - { os: macos-13, python-version: "3.10", compiler: "clang", cc: "ccache clang", cxx: "ccache clang++" }
           - { os: macos-13, python-version: "3.11", compiler: "clang", cc: "ccache clang", cxx: "ccache clang++" }
           - { os: macos-13, python-version: "3.12", compiler: "clang", cc: "ccache clang", cxx: "ccache clang++" }
+          # - { os: macos-13, python-version: "3.13.0-beta.1", compiler: "clang", cc: "ccache clang", cxx: "ccache clang++" }
           - { os: ubuntu-20.04, python-version: "3.7", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
           - { os: ubuntu-20.04, python-version: "3.8", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
           - { os: ubuntu-20.04, python-version: "3.9", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
           - { os: ubuntu-20.04, python-version: "3.10", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
           - { os: ubuntu-20.04, python-version: "3.11", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
           - { os: ubuntu-20.04, python-version: "3.12", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
+          - { os: ubuntu-20.04, python-version: "3.13.0-beta.1", compiler: "gcc", cc: "ccache gcc", cxx: "ccache g++" }
           # - { os: windows-latest, python-version: "3.7", compiler: "msvc", cc: "msvc", cxx: "msvc" }
           # - { os: windows-latest, python-version: "3.8", compiler: "msvc", cc: "msvc", cxx: "msvc" }
           # - { os: windows-latest, python-version: "3.9", compiler: "msvc", cc: "msvc", cxx: "msvc" }
           # - { os: windows-latest, python-version: "3.10", compiler: "msvc", cc: "msvc", cxx: "msvc" }
           # - { os: windows-latest, python-version: "3.11", compiler: "msvc", cc: "msvc", cxx: "msvc" }
           - { os: windows-latest, python-version: "3.12", compiler: "msvc", cc: "msvc", cxx: "msvc" }
+          # - { os: windows-latest, python-version: "3.13.0-beta.1", compiler: "msvc", cc: "msvc", cxx: "msvc" }
     name: Test with Python ${{ matrix.python-version }} on ${{ matrix.os }}
     steps:
       - name: Set up Python ${{ matrix.python-version }}
@@ -670,16 +673,19 @@ jobs:
         - { os: macos-12, build: cp310-macosx_x86_64 }
         - { os: macos-12, build: cp311-macosx_x86_64 }
         - { os: macos-12, build: cp312-macosx_x86_64 }
+        - { os: macos-12, build: cp313-macosx_x86_64 }
         - { os: macos-12, build: cp38-macosx_universal2 }
         - { os: macos-12, build: cp39-macosx_universal2 }
         - { os: macos-12, build: cp310-macosx_universal2 }
         - { os: macos-12, build: cp311-macosx_universal2 }
         - { os: macos-12, build: cp312-macosx_universal2 }
+        - { os: macos-12, build: cp313-macosx_universal2 }
         - { os: macos-12, build: cp38-macosx_arm64 }
         - { os: macos-12, build: cp39-macosx_arm64 }
         - { os: macos-12, build: cp310-macosx_arm64 }
         - { os: macos-12, build: cp311-macosx_arm64 }
         - { os: macos-12, build: cp312-macosx_arm64 }
+        - { os: macos-12, build: cp313-macosx_arm64 }
         - { os: macos-12, build: pp37-macosx_x86_64 }
         - { os: macos-12, build: pp38-macosx_x86_64 }
         - { os: macos-12, build: pp39-macosx_x86_64 }
@@ -690,6 +696,8 @@ jobs:
         - { os: windows-latest, build: cp310-win_amd64 }
         - { os: windows-latest, build: cp311-win_amd64 }
         - { os: windows-latest, build: cp312-win_amd64 }
+        - { os: windows-latest, build: cp313-win_amd64 }
+        - { os: windows-latest, build: cp313t-win_amd64 }
         - { os: windows-latest, build: pp37-win_amd64 }
         - { os: windows-latest, build: pp38-win_amd64 }
         - { os: windows-latest, build: pp39-win_amd64 }
@@ -717,6 +725,14 @@ jobs:
         - { os: 'ubuntu-20.04', build: cp312-manylinux_aarch64 }
         - { os: 'ubuntu-20.04', build: cp312-musllinux_x86_64 }
         - { os: 'ubuntu-20.04', build: cp312-musllinux_aarch64 }
+        - { os: 'ubuntu-20.04', build: cp313-manylinux_x86_64 }
+        - { os: 'ubuntu-20.04', build: cp313-manylinux_aarch64 }
+        # - { os: 'ubuntu-20.04', build: cp313-musllinux_x86_64 }
+        # - { os: 'ubuntu-20.04', build: cp313-musllinux_aarch64 }
+        - { os: 'ubuntu-20.04', build: cp313t-manylinux_x86_64 }
+        - { os: 'ubuntu-20.04', build: cp313t-manylinux_aarch64 }
+        # - { os: 'ubuntu-20.04', build: cp313t-musllinux_x86_64 }
+        # - { os: 'ubuntu-20.04', build: cp313t-musllinux_aarch64 }
         - { os: 'ubuntu-20.04', build: pp37-manylinux_x86_64 }
         - { os: 'ubuntu-20.04', build: pp37-manylinux_aarch64 }
         - { os: 'ubuntu-20.04', build: pp38-manylinux_x86_64 }
@@ -756,10 +772,12 @@ jobs:
           # The musllinux containers on aarch64 take 6+ hours to test.
           # Also testing any pypy versions fails, as TensorFlow isn't pypy compatible.
           CIBW_TEST_SKIP: "*manylinux* *musllinux_aarch* *pp* *-macosx_universal2:arm64"
+          CIBW_PRERELEASE_PYTHONS: "1"
           # Use the minimum macOS deployment target that has C++17 support:
           MACOSX_DEPLOYMENT_TARGET: "10.13"
           CIBW_MUSLLINUX_X86_64_IMAGE: quay.io/pypa/musllinux_1_1_x86_64:2024-04-29-07d05a0
           CIBW_MUSLLINUX_AARCH64_IMAGE: quay.io/pypa/musllinux_1_1_aarch64:2024-04-29-07d05a0
+          CIBW_FREE_THREADED_SUPPORT: "1"
       - uses: actions/upload-artifact@v2
         with:
           path: ./wheelhouse/*.whl

pyproject.toml

@@ -15,4 +15,4 @@ before-all = "yum install -y libsndfile libX11-devel libXrandr-devel libXinerama
 # Use apk instead of yum when building on Alpine Linux
 # (Note: this is experimental, as most VSTs require glibc and thus Alpine Linux isn't that useful)
 select = "*-musllinux*"
-before-all = "apk add libsndfile libx11-dev libxrandr-dev libxinerama-dev libxrender-dev libxcomposite-dev libxinerama-dev libxcursor-dev freetype-dev libexecinfo-dev"
+before-all = "apk add libsndfile libx11-dev libxrandr-dev libxinerama-dev libxrender-dev libxcomposite-dev libxinerama-dev libxcursor-dev freetype-dev"

vendors/execinfo.h

@@ -0,0 +1,35 @@
+/* Copyright (C) 1998-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _EXECINFO_H
+#define _EXECINFO_H 1
+
+/* Store up to SIZE return address of the current program state in
+   ARRAY and return the exact number of values stored.  */
+int backtrace(void **__array, int __size) { return 0; }
+
+/* Return names of functions from the backtrace list in ARRAY in a newly
+   malloc()ed memory block.  */
+char **backtrace_symbols(void *const *__array, int __size) {
+  return (char **)0;
+}
+
+/* This function is similar to backtrace_symbols() but it writes the result
+   immediately to a file.  */
+void backtrace_symbols_fd(void *const *__array, int __size, int __fd) {}
+
+#endif /* execinfo.h  */