Bump version: v3.0.0b3

* Revert to running tests from from a temp dir when test-sources is unset

* Fix placeholders error message, add test for it

* Add back {project} placeholders to CIBW_TEST_COMMAND in tests & docs

* Update test/test_before_test.py

---------

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

.pre-commit-config.yaml

@@ -14,7 +14,7 @@ repos:
   - id: trailing-whitespace
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.11.10
+  rev: v0.11.11
   hooks:
   - id: ruff
     args: ["--fix", "--show-fixes"]
@@ -75,7 +75,7 @@ repos:
   rev: v2.4.1
   hooks:
   - id: codespell
-    args: ["-L", "sur,assertin,hep", "-w"]
+    args: ["-w"]
     exclude: ^docs/working-examples\.md$  # Autogenerated
 
 

.travis.yml

@@ -16,7 +16,8 @@ jobs:
       services: docker
       env:
         - PYTHON=python
-        - CIBW_ENABLE=all
+        # a build using CIBW_ENABLE=all does not fit into Travis' time limit,
+        # so only the defaults are tested
 
     - name: Linux | arm64 | Python 3.12
       python: 3.12
@@ -42,10 +43,15 @@ jobs:
       os: windows
       language: shell
       before_install:
+        # http://woshub.com/updating-trusted-root-certificates-in-windows-10
+        - certutil -generateSSTFromWU roots.sst
+        - powershell -Command 'Get-ChildItem -Path roots.sst | Import-Certificate -CertStoreLocation Cert:\LocalMachine\Root'
+        - rm -f roots.sst
         - choco upgrade python3 -y --version 3.12.8 --limit-output --params "/InstallDir:C:\\Python312"
       env:
         - PYTHON=C:\\Python312\\python
-        - CIBW_ENABLE=all
+        # a build using CIBW_ENABLE=all does not fit into Travis' time limit,
+        # so only the defaults are tested
 
     - name: Linux | s390x | Python 3.12
       python: 3.12

README.md

@@ -23,20 +23,20 @@ What does it do?
 
 While cibuildwheel itself requires a recent Python version to run (we support the last three releases), it can target the following versions to build wheels:
 
-|                | macOS Intel | macOS Apple Silicon | Windows 64bit | Windows 32bit | Windows Arm64 | manylinux<br/>musllinux x86_64 | manylinux<br/>musllinux i686 | manylinux<br/>musllinux aarch64 | manylinux<br/>musllinux ppc64le | manylinux<br/>musllinux s390x | manylinux<br/>musllinux armv7l | iOS | Pyodide |
-|----------------|----|-----|-----|-----|-----|----|-----|----|-----|-----|---|-----|-----|
-| CPython 3.8    | ✅ | ✅  | ✅  | ✅  | N/A | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
-| CPython 3.9    | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅ | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
-| CPython 3.10   | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
-| CPython 3.11   | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
-| CPython 3.12   | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵  | N/A | ✅⁴ |
-| CPython 3.13³  | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵  | ✅ | N/A |
-| CPython 3.14³  | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵  | ✅ | N/A |
-| PyPy 3.8 v7.3  | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
-| PyPy 3.9 v7.3  | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
-| PyPy 3.10 v7.3 | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
-| PyPy 3.11 v7.3 | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
-| GraalPy 24.2   | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | N/A  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
+|                    | macOS Intel | macOS Apple Silicon | Windows 64bit | Windows 32bit | Windows Arm64 | manylinux<br/>musllinux x86_64 | manylinux<br/>musllinux i686 | manylinux<br/>musllinux aarch64 | manylinux<br/>musllinux ppc64le | manylinux<br/>musllinux s390x | manylinux<br/>musllinux armv7l | iOS | Pyodide |
+|--------------------|----|-----|-----|-----|-----|----|-----|----|-----|-----|---|-----|-----|
+| CPython 3.8        | ✅ | ✅  | ✅  | ✅  | N/A | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
+| CPython 3.9        | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅ | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
+| CPython 3.10       | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
+| CPython 3.11       | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵ | N/A | N/A |
+| CPython 3.12       | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵  | N/A | ✅⁴ |
+| CPython 3.13³      | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵  | ✅ | N/A |
+| CPython 3.14³      | ✅ | ✅  | ✅  | ✅  | ✅² | ✅ | ✅  | ✅ | ✅  | ✅  | ✅⁵  | ✅ | N/A |
+| PyPy 3.8 v7.3      | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
+| PyPy 3.9 v7.3      | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
+| PyPy 3.10 v7.3     | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
+| PyPy 3.11 v7.3     | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | ✅¹  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
+| GraalPy 3.11 v24.2 | ✅ | ✅  | ✅  | N/A | N/A | ✅¹ | N/A  | ✅¹ | N/A | N/A | N/A | N/A | N/A |
 
 <sup>¹ PyPy & GraalPy are only supported for manylinux wheels.</sup><br>
 <sup>² Windows arm64 support is experimental.</sup><br>
@@ -97,7 +97,7 @@ jobs:
       - uses: actions/setup-python@v5
 
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==3.0.0b2
+        run: python -m pip install cibuildwheel==3.0.0b3
 
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
@@ -223,8 +223,16 @@ Not yet released, but available for testing.
 
 Note - when using a beta version, be sure to check the [latest docs](https://cibuildwheel.pypa.io/en/latest/), rather than the stable version, which is still on v2.X.
 
-Known issues:
-- ⚠️ The CWD for test-command has changed in v3.0, but that is still [being debated](https://github.com/pypa/cibuildwheel/issues/2406), it might change before the final release. Please provide feedback on the aforementioned issue if you do (or don't!) encounter issues with this.
+If you've used previous versions of the beta:
+- ⚠️ Previous betas of v3.0 changed the working directory for tests. This has been rolled back to the v2.x behaviour, so you might need to change configs if you adapted to the beta 1 or 2 behaviour. See [issue #2406](https://github.com/pypa/cibuildwheel/issues/2406) for more information.
+- ⚠️ GraalPy shipped with the identifier `gp242-*` in previous betas, this has been changed to `gp311_242-*` to be consistent with other interpreters, and to fix a bug with GraalPy and project requires-python detection. If you were using GraalPy, you might need to update your config to use the new identifier.
+
+#### v3.0.0b3
+
+_28 May 2025_
+
+- 🛠 Reverts the test working dir (when test-sources isn't set) to a temporary dir, rather than the project. (#2420)
+- 📚 Docs now primarily use the pyproject.toml name of options, rather than the environment variable name. (#2389)
 
 #### v3.0.0b2
 
@@ -245,7 +253,8 @@ _19 May 2025_
 - ✨ Adds the [test-sources option](https://cibuildwheel.pypa.io/en/latest/options/#test-sources), and changes the working directory for tests.
 
     - If this option is set, cibuildwheel will copy the files and folders specified in `test-sources` into a temporary directory, and run the tests from there. This is required for iOS builds, but also useful for other platforms, as it allows you to test the installed wheel without any chance of accidentally importing from the source tree.
-    - If this option is not set, cibuildwheel will run the tests in the source tree. This is a change from the previous behavior, where cibuildwheel would run the tests from a temporary directory. We're still investigating what's best here, so if you encounter any issues with this, please let us know in [issue #2406](https://github.com/pypa/cibuildwheel/issues/2406).
+    - ~If this option is not set, cibuildwheel will run the tests in the source tree. This is a change from the previous behavior, where cibuildwheel would run the tests from a temporary directory. We're still investigating what's best here, so if you encounter any issues with this, please let us know in [issue #2406](https://github.com/pypa/cibuildwheel/issues/2406).~
+    - If this option is not set, behaviour matches v2.x - cibuildwheel will run the tests from a temporary directory, and you can use the `{project}` placeholder in the `test-command` to refer to the project directory.
 
 - ✨ Added `dependency-versions` inline syntax (#2123)
 - 🛠 EOL manylinux options can no longer be specified by their shortname. Full OCI URL can still be used for these images, if you wish (#2316)
@@ -260,14 +269,6 @@ _26 April 2025_
 
 - 🛠 Dependency updates, including Python 3.13.3 (#2371)
 
-### v2.23.2
-
-_24 March 2025_
-
-- 🐛 Workaround an issue with pyodide builds when running cibuildwheel with a Python that was installed via UV (#2328 via #2331)
-- 🛠 Dependency updates, including a manylinux update that fixes an ['undefined symbol' error](https://github.com/pypa/manylinux/issues/1760) in gcc-toolset (#2334)
--
-
 <!-- END bin/update_readme_changelog.py -->
 
 ---

bin/update_docker.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import configparser
-from dataclasses import dataclass
+import dataclasses
 from pathlib import Path
 
 import requests
@@ -11,7 +11,7 @@ DIR = Path(__file__).parent.resolve()
 RESOURCES = DIR.parent / "cibuildwheel/resources"
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True)
 class Image:
     manylinux_version: str
     platforms: list[str]

bin/update_nodejs.py

@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
 
 
+import dataclasses
 import difflib
 import logging
 import tomllib
-from dataclasses import dataclass
 from pathlib import Path
 from typing import Final
 
@@ -27,7 +27,7 @@ NODEJS_DIST: Final[str] = "https://nodejs.org/dist/"
 NODEJS_INDEX: Final[str] = f"{NODEJS_DIST}index.json"
 
 
-@dataclass(frozen=True, order=True)
+@dataclasses.dataclass(frozen=True, order=True)
 class VersionTuple:
     version: Version
     version_string: str

bin/update_pythons.py

@@ -147,7 +147,11 @@ class GraalPyVersions:
             msg = f"{identifier} not supported yet on GraalPy"
             raise RuntimeError(msg)
 
+        gpspec_str = identifier.split("-")[0].split("_")[1]
+        gpspec = Specifier("==24.2.*") if gpspec_str == "242" else Specifier(f"=={gpspec_str}.*")
+
         releases = [r for r in self.releases if spec.contains(r["python_version"])]
+        releases = [r for r in self.releases if gpspec.contains(r["graalpy_version"])]
         releases = sorted(releases, key=lambda r: r["graalpy_version"])
 
         if not releases:
@@ -276,8 +280,12 @@ class CPythonVersions:
 
         self.versions_dict: dict[Version, int] = {}
         for release in releases_info:
-            # Removing the prefix, Python 3.9 would use: release["name"].removeprefix("Python ")
-            version = Version(release["name"][7:])
+            # Skip the pymanager releases
+            if not release["slug"].startswith("python"):
+                continue
+
+            # Removing the prefix
+            version = Version(release["name"].removeprefix("Python "))
 
             uri = int(release["resource_uri"].rstrip("/").split("/")[-1])
             self.versions_dict[version] = uri

bin/update_virtualenv.py

@@ -1,11 +1,11 @@
 #!/usr/bin/env python3
 
 
+import dataclasses
 import difflib
 import logging
 import subprocess
 import tomllib
-from dataclasses import dataclass
 from pathlib import Path
 from typing import Final
 
@@ -28,7 +28,7 @@ GET_VIRTUALENV_URL_TEMPLATE: Final[str] = (
 )
 
 
-@dataclass(frozen=True, order=True)
+@dataclasses.dataclass(frozen=True, order=True)
 class VersionTuple:
     version: Version
     version_string: str

cibuildwheel/__init__.py

@@ -1 +1 @@
-__version__ = "3.0.0b2"
+__version__ = "3.0.0b3"

cibuildwheel/bashlex_eval.py

@@ -1,3 +1,4 @@
+import dataclasses
 import subprocess
 from collections.abc import (
     Callable,
@@ -5,7 +6,6 @@ from collections.abc import (
     Mapping,
     Sequence,
 )
-from dataclasses import dataclass
 
 import bashlex
 
@@ -17,7 +17,7 @@ def local_environment_executor(command: Sequence[str], env: Mapping[str, str]) -
     return subprocess.run(command, env=env, text=True, stdout=subprocess.PIPE, check=True).stdout
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class NodeExecutionContext:
     environment: dict[str, str]
     input: str

cibuildwheel/environment.py

@@ -102,7 +102,7 @@ class EnvironmentAssignmentBash:
         return False
 
 
-@dataclasses.dataclass
+@dataclasses.dataclass(kw_only=True)
 class ParsedEnvironment:
     assignments: list[EnvironmentAssignment]
 

cibuildwheel/frontend.py

@@ -1,7 +1,7 @@
+import dataclasses
 import shlex
 import typing
 from collections.abc import Sequence
-from dataclasses import dataclass
 from typing import Literal, Self, get_args
 
 from .logger import log
@@ -10,7 +10,7 @@ from .util.helpers import parse_key_value_string
 BuildFrontendName = Literal["pip", "build", "build[uv]"]
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True)
 class BuildFrontendConfig:
     name: BuildFrontendName
     args: Sequence[str] = ()

cibuildwheel/logger.py

@@ -237,7 +237,8 @@ def build_description_from_identifier(identifier: str) -> str:
     build_description = ""
 
     python_interpreter = python_identifier[0:2]
-    python_version = python_identifier[2:]
+    version_parts = python_identifier[2:].split("_")
+    python_version = version_parts[0]
 
     if python_interpreter == "cp":
         build_description += "CPython"
@@ -250,6 +251,8 @@ def build_description_from_identifier(identifier: str) -> str:
         raise Exception(msg)
 
     build_description += f" {python_version[0]}.{python_version[1:]} "
+    if len(version_parts) > 1:
+        build_description += f"(ABI {version_parts[1]}) "
 
     try:
         build_description += PLATFORM_IDENTIFIER_DESCRIPTIONS[platform_identifier]

cibuildwheel/oci_container.py

@@ -1,3 +1,4 @@
+import dataclasses
 import io
 import json
 import os
@@ -10,7 +11,6 @@ import textwrap
 import typing
 import uuid
 from collections.abc import Mapping, Sequence
-from dataclasses import dataclass, field
 from enum import Enum
 from pathlib import Path, PurePath, PurePosixPath
 from types import TracebackType
@@ -37,10 +37,11 @@ class OCIPlatform(Enum):
     S390X = "linux/s390x"
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True)
 class OCIContainerEngineConfig:
     name: ContainerEngineName
-    create_args: tuple[str, ...] = field(default_factory=tuple)
+    _: dataclasses.KW_ONLY
+    create_args: tuple[str, ...] = dataclasses.field(default_factory=tuple)
     disable_host_mount: bool = False
 
     @classmethod
@@ -342,6 +343,7 @@ class OCIContainer:
             )
         else:
             exec_process: subprocess.Popen[bytes]
+            self.call(["mkdir", "-p", to_path.parent])
             with subprocess.Popen(
                 [
                     self.engine.name,

cibuildwheel/options.py

@@ -51,7 +51,7 @@ MUSLLINUX_ARCHS: Final[tuple[str, ...]] = (
 )
 
 
-@dataclasses.dataclass
+@dataclasses.dataclass(kw_only=True)
 class CommandLineArguments:
     platform: Literal["auto", "linux", "macos", "windows"] | None
     archs: str | None
@@ -80,7 +80,7 @@ class CommandLineArguments:
         )
 
 
-@dataclasses.dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class GlobalOptions:
     package_dir: Path
     output_dir: Path
@@ -90,7 +90,7 @@ class GlobalOptions:
     allow_empty: bool
 
 
-@dataclasses.dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class BuildOptions:
     globals: GlobalOptions
     environment: ParsedEnvironment

cibuildwheel/platforms/ios.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import dataclasses
 import os
 import shlex
 import shutil
@@ -7,7 +8,6 @@ import subprocess
 import sys
 import textwrap
 from collections.abc import Sequence, Set
-from dataclasses import dataclass
 from pathlib import Path
 from typing import assert_never
 
@@ -42,7 +42,7 @@ from ..venv import constraint_flags, virtualenv
 from .macos import install_cpython as install_build_cpython
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class PythonConfiguration:
     version: str
     identifier: str
@@ -559,19 +559,19 @@ def build(options: Options, tmp_path: Path) -> None:
                         env=test_env,
                     )
 
-                    if not build_options.test_sources:
-                        # iOS requires an explicit test-sources, as the project directory
-                        # isn't visible on the simulator.
-
-                        msg = "Testing on iOS requires a definition of test-sources."
-                        raise errors.FatalError(msg)
+                    testbed_app_path = testbed_path / "iOSTestbed" / "app"
 
                     # Copy the test sources to the testbed app
-                    copy_test_sources(
-                        build_options.test_sources,
-                        build_options.package_dir,
-                        testbed_path / "iOSTestbed" / "app",
-                    )
+                    if build_options.test_sources:
+                        copy_test_sources(
+                            build_options.test_sources,
+                            build_options.package_dir,
+                            testbed_app_path,
+                        )
+                    else:
+                        (testbed_app_path / "test_fail.py").write_text(
+                            resources.TEST_FAIL_CWD_FILE.read_text()
+                        )
 
                     log.step("Installing test requirements...")
                     # Install the compiled wheel (with any test extras), plus
@@ -598,6 +598,26 @@ def build(options: Options, tmp_path: Path) -> None:
 
                     log.step("Running test suite...")
 
+                    # iOS doesn't support placeholders in the test command,
+                    # because the source dir isn't visible on the simulator.
+                    if (
+                        "{project}" in build_options.test_command
+                        or "{package}" in build_options.test_command
+                    ):
+                        msg = unwrap_preserving_paragraphs(
+                            f"""
+                            iOS tests configured with a test command that uses the "{{project}}" or
+                            "{{package}}" placeholder. iOS tests cannot use placeholders, because the
+                            source directory is not visible on the simulator.
+
+                            In addition, iOS tests must run as a Python module, so the test command
+                            must begin with 'python -m'.
+
+                            Test command: {build_options.test_command!r}
+                            """
+                        )
+                        raise errors.FatalError(msg)
+
                     test_command_parts = shlex.split(build_options.test_command)
                     if test_command_parts[0:2] != ["python", "-m"]:
                         first_part = test_command_parts[0]

cibuildwheel/platforms/linux.py

@@ -1,10 +1,10 @@
 import contextlib
+import dataclasses
 import subprocess
 import sys
 import textwrap
 from collections import OrderedDict
 from collections.abc import Iterable, Iterator, Sequence, Set
-from dataclasses import dataclass
 from pathlib import Path, PurePath, PurePosixPath
 from typing import assert_never
 
@@ -32,7 +32,7 @@ ARCHITECTURE_OCI_PLATFORM_MAP = {
 }
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class PythonConfiguration:
     version: str
     identifier: str
@@ -43,7 +43,7 @@ class PythonConfiguration:
         return PurePosixPath(self.path_str)
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class BuildStep:
     platform_configs: list[PythonConfiguration]
     platform_tag: str
@@ -398,9 +398,10 @@ def build_in_container(
                 wheel=wheel_to_test,
             )
 
+            test_cwd = testing_temp_dir / "test_cwd"
+            container.call(["mkdir", "-p", test_cwd])
+
             if build_options.test_sources:
-                test_cwd = testing_temp_dir / "test_cwd"
-                container.call(["mkdir", "-p", test_cwd])
                 copy_test_sources(
                     build_options.test_sources,
                     build_options.package_dir,
@@ -408,8 +409,9 @@ def build_in_container(
                     copy_into=container.copy_into,
                 )
             else:
-                # There are no test sources. Run the tests in the project directory.
-                test_cwd = PurePosixPath(container_project_path)
+                # Use the test_fail.py file to raise a nice error if the user
+                # tries to run tests in the cwd
+                container.copy_into(resources.TEST_FAIL_CWD_FILE, test_cwd / "test_fail.py")
 
             container.call(["sh", "-c", test_command_prepared], cwd=test_cwd, env=virtualenv_env)
 

cibuildwheel/platforms/macos.py

@@ -1,3 +1,4 @@
+import dataclasses
 import functools
 import inspect
 import os
@@ -8,7 +9,6 @@ import subprocess
 import sys
 import typing
 from collections.abc import Set
-from dataclasses import dataclass
 from pathlib import Path
 from typing import Literal, assert_never
 
@@ -76,7 +76,7 @@ def get_macos_sdks() -> list[str]:
     return [m.group(1) for m in re.finditer(r"-sdk (macosx\S+)", output)]
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class PythonConfiguration:
     version: str
     identifier: str
@@ -706,8 +706,9 @@ def build(options: Options, tmp_path: Path) -> None:
                         wheel=repaired_wheel,
                     )
 
+                    test_cwd = identifier_tmp_dir / "test_cwd"
+
                     if build_options.test_sources:
-                        test_cwd = identifier_tmp_dir / "test_cwd"
                         # only create test_cwd if it doesn't already exist - it
                         # may have been created during a previous `testing_arch`
                         if not test_cwd.exists():
@@ -718,8 +719,12 @@ def build(options: Options, tmp_path: Path) -> None:
                                 test_cwd,
                             )
                     else:
-                        # There are no test sources. Run the tests in the project directory.
-                        test_cwd = Path.cwd()
+                        # Use the test_fail.py file to raise a nice error if the user
+                        # tries to run tests in the cwd
+                        test_cwd.mkdir(exist_ok=True)
+                        (test_cwd / "test_fail.py").write_text(
+                            resources.TEST_FAIL_CWD_FILE.read_text()
+                        )
 
                     shell_with_arch(test_command_prepared, cwd=test_cwd, env=virtualenv_env)
 

cibuildwheel/platforms/pyodide.py

@@ -1,3 +1,4 @@
+import dataclasses
 import functools
 import json
 import os
@@ -6,7 +7,6 @@ import sys
 import tomllib
 import typing
 from collections.abc import Set
-from dataclasses import dataclass
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import Final, TypedDict
@@ -41,7 +41,7 @@ from ..venv import constraint_flags, virtualenv
 IS_WIN: Final[bool] = sys.platform.startswith("win")
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class PythonConfiguration:
     version: str
     identifier: str
@@ -498,6 +498,7 @@ def build(options: Options, tmp_path: Path) -> None:
                         build_options.before_test,
                         project=".",
                         package=build_options.package_dir,
+                        wheel=repaired_wheel,
                     )
                     shell(before_test_prepared, env=virtualenv_env)
 
@@ -522,17 +523,19 @@ def build(options: Options, tmp_path: Path) -> None:
                     package=build_options.package_dir.resolve(),
                 )
 
+                test_cwd = identifier_tmp_dir / "test_cwd"
+                test_cwd.mkdir(exist_ok=True)
+
                 if build_options.test_sources:
-                    test_cwd = identifier_tmp_dir / "test_cwd"
-                    test_cwd.mkdir(exist_ok=True)
                     copy_test_sources(
                         build_options.test_sources,
                         build_options.package_dir,
                         test_cwd,
                     )
                 else:
-                    # There are no test sources. Run the tests in the project directory.
-                    test_cwd = Path.cwd()
+                    # Use the test_fail.py file to raise a nice error if the user
+                    # tries to run tests in the cwd
+                    (test_cwd / "test_fail.py").write_text(resources.TEST_FAIL_CWD_FILE.read_text())
 
                 shell(test_command_prepared, cwd=test_cwd, env=virtualenv_env)
 

cibuildwheel/platforms/windows.py

@@ -1,10 +1,11 @@
+import dataclasses
+import json
 import os
 import platform as platform_module
 import shutil
 import subprocess
 import textwrap
 from collections.abc import MutableMapping, Set
-from dataclasses import dataclass
 from functools import cache
 from pathlib import Path
 from typing import assert_never
@@ -50,7 +51,7 @@ def get_nuget_args(
     ]
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class PythonConfiguration:
     version: str
     arch: str
@@ -350,28 +351,22 @@ def setup_python(
             text=True,
         ).strip()
         log.notice(f"Discovering Visual Studio for GraalPy at {vcpath}")
-        env.update(
-            dict(
-                [
-                    envvar.strip().split("=", 1)
-                    for envvar in subprocess.check_output(
-                        [
-                            f"{vcpath}\\Common7\\Tools\\vsdevcmd.bat",
-                            "-no_logo",
-                            "-arch=amd64",
-                            "-host_arch=amd64",
-                            "&&",
-                            "set",
-                        ],
-                        shell=True,
-                        text=True,
-                        env=env,
-                    )
-                    .strip()
-                    .split("\n")
-                ]
-            )
+        vcvars = subprocess.check_output(
+            [
+                f"{vcpath}\\Common7\\Tools\\vsdevcmd.bat",
+                "-no_logo",
+                "-arch=amd64",
+                "-host_arch=amd64",
+                "&&",
+                "python",
+                "-c",
+                "import os, json, sys; json.dump(dict(os.environ), sys.stdout);",
+            ],
+            shell=True,
+            text=True,
+            env=env,
         )
+        env.update(json.loads(vcvars))
 
     return base_python, env
 
@@ -593,24 +588,26 @@ def build(options: Options, tmp_path: Path) -> None:
                 # run the tests from a temp dir, with an absolute path in the command
                 # (this ensures that Python runs the tests against the installed wheel
                 # and not the repo code)
-                test_command_prepared = prepare_command(
-                    build_options.test_command,
-                    project=Path.cwd(),
-                    package=options.globals.package_dir.resolve(),
-                    wheel=repaired_wheel,
-                )
+                test_cwd = identifier_tmp_dir / "test_cwd"
+                test_cwd.mkdir()
+
                 if build_options.test_sources:
-                    test_cwd = identifier_tmp_dir / "test_cwd"
-                    test_cwd.mkdir()
                     copy_test_sources(
                         build_options.test_sources,
                         build_options.package_dir,
                         test_cwd,
                     )
                 else:
-                    # There are no test sources. Run the tests in the project directory.
-                    test_cwd = Path.cwd()
+                    # Use the test_fail.py file to raise a nice error if the user
+                    # tries to run tests in the cwd
+                    (test_cwd / "test_fail.py").write_text(resources.TEST_FAIL_CWD_FILE.read_text())
 
+                test_command_prepared = prepare_command(
+                    build_options.test_command,
+                    project=Path.cwd(),
+                    package=options.globals.package_dir.resolve(),
+                    wheel=repaired_wheel,
+                )
                 shell(test_command_prepared, cwd=test_cwd, env=virtualenv_env)
 
             # we're all done here; move it to output (remove if already exists)

cibuildwheel/resources/build-platforms.toml

@@ -22,7 +22,7 @@ python_configurations = [
   { identifier = "pp39-manylinux_x86_64", version = "3.9", path_str = "/opt/python/pp39-pypy39_pp73" },
   { identifier = "pp310-manylinux_x86_64", version = "3.10", path_str = "/opt/python/pp310-pypy310_pp73" },
   { identifier = "pp311-manylinux_x86_64", version = "3.11", path_str = "/opt/python/pp311-pypy311_pp73" },
-  { identifier = "gp242-manylinux_x86_64", version = "3.11", path_str = "/opt/python/graalpy311-graalpy242_311_native" },
+  { identifier = "gp311_242-manylinux_x86_64", version = "3.11", path_str = "/opt/python/graalpy311-graalpy242_311_native" },
   { identifier = "cp38-manylinux_aarch64", version = "3.8", path_str = "/opt/python/cp38-cp38" },
   { identifier = "cp39-manylinux_aarch64", version = "3.9", path_str = "/opt/python/cp39-cp39" },
   { identifier = "cp310-manylinux_aarch64", version = "3.10", path_str = "/opt/python/cp310-cp310" },
@@ -72,7 +72,7 @@ python_configurations = [
   { identifier = "pp39-manylinux_aarch64", version = "3.9", path_str = "/opt/python/pp39-pypy39_pp73" },
   { identifier = "pp310-manylinux_aarch64", version = "3.10", path_str = "/opt/python/pp310-pypy310_pp73" },
   { identifier = "pp311-manylinux_aarch64", version = "3.11", path_str = "/opt/python/pp311-pypy311_pp73" },
-  { identifier = "gp242-manylinux_aarch64", version = "3.11", path_str = "/opt/python/graalpy311-graalpy242_311_native" },
+  { identifier = "gp311_242-manylinux_aarch64", version = "3.11", path_str = "/opt/python/graalpy311-graalpy242_311_native" },
   { identifier = "pp38-manylinux_i686", version = "3.8", path_str = "/opt/python/pp38-pypy38_pp73" },
   { identifier = "pp39-manylinux_i686", version = "3.9", path_str = "/opt/python/pp39-pypy39_pp73" },
   { identifier = "pp310-manylinux_i686", version = "3.10", path_str = "/opt/python/pp310-pypy310_pp73" },
@@ -179,8 +179,8 @@ python_configurations = [
   { identifier = "pp310-macosx_arm64", version = "3.10", url = "https://downloads.python.org/pypy/pypy3.10-v7.3.19-macos_arm64.tar.bz2" },
   { identifier = "pp311-macosx_x86_64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.19-macos_x86_64.tar.bz2" },
   { identifier = "pp311-macosx_arm64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.19-macos_arm64.tar.bz2" },
-  { identifier = "gp242-macosx_x86_64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.1/graalpy-24.2.1-macos-amd64.tar.gz" },
-  { identifier = "gp242-macosx_arm64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.1/graalpy-24.2.1-macos-aarch64.tar.gz" },
+  { identifier = "gp311_242-macosx_x86_64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.1/graalpy-24.2.1-macos-amd64.tar.gz" },
+  { identifier = "gp311_242-macosx_arm64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.1/graalpy-24.2.1-macos-aarch64.tar.gz" },
 ]
 
 [windows]
@@ -215,7 +215,7 @@ python_configurations = [
   { identifier = "pp39-win_amd64", version = "3.9", arch = "64", url = "https://downloads.python.org/pypy/pypy3.9-v7.3.16-win64.zip" },
   { identifier = "pp310-win_amd64", version = "3.10", arch = "64", url = "https://downloads.python.org/pypy/pypy3.10-v7.3.19-win64.zip" },
   { identifier = "pp311-win_amd64", version = "3.11", arch = "64", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.19-win64.zip" },
-  { identifier = "gp242-win_amd64", version = "3.11", arch = "64", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.1/graalpy-24.2.1-windows-amd64.zip" },
+  { identifier = "gp311_242-win_amd64", version = "3.11", arch = "64", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.1/graalpy-24.2.1-windows-amd64.zip" },
 ]
 
 [pyodide]

cibuildwheel/resources/constraints-pyodide312.txt

@@ -54,7 +54,7 @@ platformdirs==4.3.8
     # via
     #   pyodide-build
     #   virtualenv
-pydantic==2.11.4
+pydantic==2.11.5
     # via
     #   pyodide-build
     #   pyodide-lock
@@ -81,7 +81,7 @@ rich==14.0.0
     #   pyodide-build
     #   pyodide-cli
     #   typer
-ruamel-yaml==0.18.10
+ruamel-yaml==0.18.11
     # via pyodide-build
 ruamel-yaml-clib==0.2.12
     # via ruamel-yaml
@@ -101,7 +101,7 @@ typing-extensions==4.13.2
     #   pydantic-core
     #   typer
     #   typing-inspection
-typing-inspection==0.4.0
+typing-inspection==0.4.1
     # via pydantic
 unearth==0.17.5
     # via pyodide-build

cibuildwheel/resources/nodejs.toml

@@ -1,3 +1,3 @@
 url = "https://nodejs.org/dist/"
-v22 = "v22.15.1"
+v22 = "v22.16.0"
 v20 = "v20.19.2"

cibuildwheel/resources/pinned_docker_images.cfg

@@ -1,47 +1,47 @@
 [x86_64]
-manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2025.05.16-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2025.05.16-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2025.05.16-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_x86_64:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2025.05.24-1
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2025.05.24-1
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2025.05.24-1
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_x86_64:2025.05.24-1
 
 [i686]
-manylinux2014 = quay.io/pypa/manylinux2014_i686:2025.05.16-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_i686:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_i686:2025.05.24-1
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_i686:2025.05.24-1
 
 [aarch64]
-manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2025.05.16-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2025.05.16-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2025.05.16-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_aarch64:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2025.05.24-1
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2025.05.24-1
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2025.05.24-1
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_aarch64:2025.05.24-1
 
 [ppc64le]
-manylinux2014 = quay.io/pypa/manylinux2014_ppc64le:2025.05.16-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_ppc64le:2025.05.16-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_ppc64le:2025.05.16-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_ppc64le:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_ppc64le:2025.05.24-1
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_ppc64le:2025.05.24-1
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_ppc64le:2025.05.24-1
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_ppc64le:2025.05.24-1
 
 [s390x]
-manylinux2014 = quay.io/pypa/manylinux2014_s390x:2025.05.16-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_s390x:2025.05.16-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_s390x:2025.05.16-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_s390x:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_s390x:2025.05.24-1
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_s390x:2025.05.24-1
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_s390x:2025.05.24-1
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_s390x:2025.05.24-1
 
 [pypy_x86_64]
-manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2025.05.16-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2025.05.16-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2025.05.24-1
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2025.05.24-1
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2025.05.24-1
 
 [pypy_i686]
-manylinux2014 = quay.io/pypa/manylinux2014_i686:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_i686:2025.05.24-1
 
 [pypy_aarch64]
-manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2025.05.16-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2025.05.16-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2025.05.16-1
+manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2025.05.24-1
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2025.05.24-1
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2025.05.24-1
 
 [armv7l]
-manylinux_2_31 = quay.io/pypa/manylinux_2_31_armv7l:2025.05.16-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_armv7l:2025.05.16-1
+manylinux_2_31 = quay.io/pypa/manylinux_2_31_armv7l:2025.05.24-1
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_armv7l:2025.05.24-1
 
 [riscv64]
 

cibuildwheel/resources/python-build-standalone-releases.json

@@ -1,423 +1,439 @@
 {
   "releases": [
     {
-      "tag": "20250409",
+      "tag": "20250517",
       "assets": [
         {
-          "name": "cpython-3.10.17+20250409-aarch64-apple-darwin-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-aarch64-apple-darwin-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-aarch64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-aarch64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-aarch64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-aarch64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-aarch64-apple-darwin-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-aarch64-apple-darwin-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-armv7-unknown-linux-gnueabi-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-armv7-unknown-linux-gnueabi-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-i686-pc-windows-msvc-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-i686-pc-windows-msvc-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-i686-pc-windows-msvc-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-i686-pc-windows-msvc-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-ppc64le-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-ppc64le-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-riscv64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-riscv64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.10.17+20250517-riscv64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.10.17%2B20250517-riscv64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.17+20250409-s390x-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-s390x-unknown-linux-gnu-install_only.tar.gz"
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-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-ppc64le-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-ppc64le-unknown-linux-gnu-install_only.tar.gz"
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-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-riscv64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-s390x-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-s390x-unknown-linux-gnu-install_only.tar.gz"
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-          "name": "cpython-3.14.0a6+20250409-s390x-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-s390x-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64-apple-darwin-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64-apple-darwin-install_only.tar.gz"
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-          "name": "cpython-3.14.0a6+20250409-x86_64-apple-darwin-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64-apple-darwin-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-riscv64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-riscv64-unknown-linux-gnu-install_only.tar.gz"
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-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64-pc-windows-msvc-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64-pc-windows-msvc-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64-pc-windows-msvc-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.14.0a6+20250409-x86_64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.14.0a6+20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64-unknown-linux-musl-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.14.0a6+20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64_v2-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.14.0a6+20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64_v2-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64_v2-unknown-linux-musl-install_only.tar.gz"
         },
         {
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-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-aarch64-apple-darwin-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
         },
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-          "name": "cpython-3.9.22+20250409-aarch64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-aarch64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64_v3-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64_v3-unknown-linux-musl-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
         },
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-          "name": "cpython-3.9.22+20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
+          "name": "cpython-3.14.0a7+20250517-x86_64_v4-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.14.0a7%2B20250517-x86_64_v4-unknown-linux-musl-install_only.tar.gz"
         },
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-          "name": "cpython-3.9.22+20250409-i686-pc-windows-msvc-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-i686-pc-windows-msvc-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-aarch64-apple-darwin-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-aarch64-apple-darwin-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-aarch64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-aarch64-unknown-linux-gnu-install_only.tar.gz"
         },
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-          "name": "cpython-3.9.22+20250409-riscv64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-riscv64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-armv7-unknown-linux-gnueabi-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-armv7-unknown-linux-gnueabi-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-s390x-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-s390x-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64-apple-darwin-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-apple-darwin-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-i686-pc-windows-msvc-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-i686-pc-windows-msvc-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64-pc-windows-msvc-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-pc-windows-msvc-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-ppc64le-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-ppc64le-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-riscv64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-riscv64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-unknown-linux-musl-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-s390x-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-s390x-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-x86_64-apple-darwin-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64-apple-darwin-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64_v2-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v2-unknown-linux-musl-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-x86_64-pc-windows-msvc-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64-pc-windows-msvc-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-x86_64-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64_v3-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v3-unknown-linux-musl-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-x86_64-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64-unknown-linux-musl-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-x86_64_v2-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.9.22+20250409-x86_64_v4-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v4-unknown-linux-musl-install_only.tar.gz"
+          "name": "cpython-3.9.22+20250517-x86_64_v2-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64_v2-unknown-linux-musl-install_only.tar.gz"
+        },
+        {
+          "name": "cpython-3.9.22+20250517-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
+        },
+        {
+          "name": "cpython-3.9.22+20250517-x86_64_v3-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64_v3-unknown-linux-musl-install_only.tar.gz"
+        },
+        {
+          "name": "cpython-3.9.22+20250517-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
+        },
+        {
+          "name": "cpython-3.9.22+20250517-x86_64_v4-unknown-linux-musl-install_only.tar.gz",
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250517/cpython-3.9.22%2B20250517-x86_64_v4-unknown-linux-musl-install_only.tar.gz"
         }
       ]
     }

cibuildwheel/resources/testing_temp_dir_file.py

@@ -0,0 +1,36 @@
+# this file is copied to the testing cwd, to raise the below error message if
+# pytest/unittest is run from there.
+
+import sys
+import unittest
+from typing import NoReturn
+
+
+class TestStringMethods(unittest.TestCase):
+    def test_fail(self) -> NoReturn:
+        if sys.platform == "ios":
+            msg = (
+                "You tried to run tests from the testbed app's working "
+                "directory, without specifying `test-sources`. "
+                "On iOS, you must copy your test files to the testbed app by "
+                "setting the `test-sources` option in your cibuildwheel "
+                "configuration."
+            )
+        else:
+            msg = (
+                "cibuildwheel executes tests from a different working directory to "
+                "your project. This ensures only your wheel is imported, preventing "
+                "Python from accessing files that haven't been packaged into the "
+                "wheel. "
+                "\n\n"
+                "Please specify a path to your tests when invoking pytest "
+                "using the {project} placeholder, e.g. `pytest {project}` or "
+                "`pytest {project}/tests`. cibuildwheel will replace {project} with "
+                "the path to your project. "
+                "\n\n"
+                "Alternatively, you can specify your test files using the "
+                "`test-sources` option, and cibuildwheel will copy them to the "
+                "working directory for testing."
+            )
+
+        self.fail(msg)

cibuildwheel/selector.py

@@ -1,5 +1,5 @@
+import dataclasses
 import itertools
-from dataclasses import dataclass
 from enum import StrEnum
 from fnmatch import fnmatch
 from typing import Any
@@ -58,7 +58,7 @@ class EnableGroup(StrEnum):
         return frozenset(result)
 
 
-@dataclass(frozen=True, kw_only=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class BuildSelector:
     """
     This class holds a set of build/skip patterns. You call an instance with a
@@ -75,7 +75,7 @@ class BuildSelector:
     def __call__(self, build_id: str) -> bool:
         # Filter build selectors by python_requires if set
         if self.requires_python is not None:
-            py_ver_str = build_id.split("-")[0]
+            py_ver_str = build_id.split("-")[0].split("_")[0]
             py_ver_str = py_ver_str.removesuffix("t")
             major = int(py_ver_str[2])
             minor = int(py_ver_str[3:])
@@ -113,7 +113,7 @@ class BuildSelector:
         }
 
 
-@dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, kw_only=True)
 class TestSelector:
     """
     A build selector that can only skip tests according to a skip pattern.

cibuildwheel/util/packaging.py

@@ -11,7 +11,7 @@ from .cmd import call
 from .helpers import parse_key_value_string, unwrap
 
 
-@dataclass()
+@dataclass(kw_only=True)
 class DependencyConstraints:
     base_file_path: Path | None = None
     packages: list[str] = field(default_factory=list)
@@ -135,6 +135,7 @@ def find_compatible_wheel(wheels: Sequence[T], identifier: str) -> T | None:
     """
 
     interpreter, platform = identifier.split("-", 1)
+    interpreter = interpreter.split("_")[0]
     free_threaded = interpreter.endswith("t")
     if free_threaded:
         interpreter = interpreter[:-1]

cibuildwheel/util/resources.py

@@ -17,6 +17,7 @@ CONSTRAINTS: Final[Path] = PATH / "constraints.txt"
 VIRTUALENV: Final[Path] = PATH / "virtualenv.toml"
 CIBUILDWHEEL_SCHEMA: Final[Path] = PATH / "cibuildwheel.schema.json"
 PYTHON_BUILD_STANDALONE_RELEASES: Final[Path] = PATH / "python-build-standalone-releases.json"
+TEST_FAIL_CWD_FILE: Final[Path] = PATH / "testing_temp_dir_file.py"
 
 
 # this value is cached because it's used a lot in unit tests

docs/changelog.md

@@ -10,8 +10,16 @@ Not yet released, but available for testing.
 
 Note - when using a beta version, be sure to check the [latest docs](https://cibuildwheel.pypa.io/en/latest/), rather than the stable version, which is still on v2.X.
 
-Known issues:
-- ⚠️ The CWD for test-command has changed in v3.0, but that is still [being debated](https://github.com/pypa/cibuildwheel/issues/2406), it might change before the final release. Please provide feedback on the aforementioned issue if you do (or don't!) encounter issues with this.
+If you've used previous versions of the beta:
+- ⚠️ Previous betas of v3.0 changed the working directory for tests. This has been rolled back to the v2.x behaviour, so you might need to change configs if you adapted to the beta 1 or 2 behaviour. See [issue #2406](https://github.com/pypa/cibuildwheel/issues/2406) for more information.
+- ⚠️ GraalPy shipped with the identifier `gp242-*` in previous betas, this has been changed to `gp311_242-*` to be consistent with other interpreters, and to fix a bug with GraalPy and project requires-python detection. If you were using GraalPy, you might need to update your config to use the new identifier.
+
+#### v3.0.0b3
+
+_28 May 2025_
+
+- 🛠 Reverts the test working dir (when test-sources isn't set) to a temporary dir, rather than the project. (#2420)
+- 📚 Docs now primarily use the pyproject.toml name of options, rather than the environment variable name. (#2389)
 
 #### v3.0.0b2
 
@@ -32,7 +40,8 @@ _19 May 2025_
 - ✨ Adds the [test-sources option](https://cibuildwheel.pypa.io/en/latest/options/#test-sources), and changes the working directory for tests.
 
     - If this option is set, cibuildwheel will copy the files and folders specified in `test-sources` into a temporary directory, and run the tests from there. This is required for iOS builds, but also useful for other platforms, as it allows you to test the installed wheel without any chance of accidentally importing from the source tree.
-    - If this option is not set, cibuildwheel will run the tests in the source tree. This is a change from the previous behavior, where cibuildwheel would run the tests from a temporary directory. We're still investigating what's best here, so if you encounter any issues with this, please let us know in [issue #2406](https://github.com/pypa/cibuildwheel/issues/2406).
+    - ~If this option is not set, cibuildwheel will run the tests in the source tree. This is a change from the previous behavior, where cibuildwheel would run the tests from a temporary directory. We're still investigating what's best here, so if you encounter any issues with this, please let us know in [issue #2406](https://github.com/pypa/cibuildwheel/issues/2406).~
+    - If this option is not set, behaviour matches v2.x - cibuildwheel will run the tests from a temporary directory, and you can use the `{project}` placeholder in the `test-command` to refer to the project directory.
 
 - ✨ Added `dependency-versions` inline syntax (#2123)
 - 🛠 EOL manylinux options can no longer be specified by their shortname. Full OCI URL can still be used for these images, if you wish (#2316)

docs/configuration.md

@@ -17,7 +17,7 @@ cibuildwheel to run tests, add the following YAML to your CI config file:
     ```yaml
     env:
       CIBW_TEST_REQUIRES: pytest
-      CIBW_TEST_COMMAND: "pytest ./tests"
+      CIBW_TEST_COMMAND: "pytest {project}/tests"
     ```
 
 !!! tab "Azure Pipelines"
@@ -27,7 +27,7 @@ cibuildwheel to run tests, add the following YAML to your CI config file:
     ```yaml
     variables:
       CIBW_TEST_REQUIRES: pytest
-      CIBW_TEST_COMMAND: "pytest ./tests"
+      CIBW_TEST_COMMAND: "pytest {project}/tests"
     ```
 
 !!! tab "Travis CI"
@@ -38,18 +38,7 @@ cibuildwheel to run tests, add the following YAML to your CI config file:
     env:
       global:
         - CIBW_TEST_REQUIRES=pytest
-        - CIBW_TEST_COMMAND="pytest ./tests"
-    ```
-
-!!! tab "AppVeyor"
-
-    > appveyor.yml ([docs](https://www.appveyor.com/docs/build-configuration/#environment-variables))
-
-    ```yaml
-    environment:
-      global:
-        CIBW_TEST_REQUIRES: pytest
-        CIBW_TEST_COMMAND: "pytest {project}\\tests"
+        - CIBW_TEST_COMMAND="pytest {project}/tests"
     ```
 
 !!! tab "CircleCI"
@@ -61,18 +50,18 @@ cibuildwheel to run tests, add the following YAML to your CI config file:
       job_name:
         environment:
           CIBW_TEST_REQUIRES: pytest
-          CIBW_TEST_COMMAND: "pytest ./tests"
+          CIBW_TEST_COMMAND: "pytest {project}/tests"
     ```
 
 !!! tab "Gitlab CI"
 
-    > .gitlab-ci.yml ([docs](https://docs.gitlab.com/ee/ci/variables/README.html#create-a-custom-variable-in-gitlab-ciyml))
+    > .gitlab-ci.yml ([docs](https://docs.gitlab.com/ci/yaml/#variables))
 
     ```yaml
     linux:
       variables:
         CIBW_TEST_REQUIRES: pytest
-        CIBW_TEST_COMMAND: "pytest ./tests"
+        CIBW_TEST_COMMAND: "pytest {project}/tests"
     ```
 
 !!! tab "Cirrus CI"
@@ -82,7 +71,7 @@ cibuildwheel to run tests, add the following YAML to your CI config file:
     ```yaml
     env:
       CIBW_TEST_REQUIRES: pytest
-      CIBW_TEST_COMMAND: "pytest ./tests"
+      CIBW_TEST_COMMAND: "pytest {project}/tests"
     ```
 
 ## Configuration file {: #configuration-file}

docs/deliver-to-pypi.md

@@ -79,7 +79,7 @@ for an example configuration.
 
 ## Manual method
 
-On your development machine, install [pipx](https://pypa.github.io/pipx/) and do the following:
+On your development machine, install [pipx](https://pipx.pypa.io/) and do the following:
 
 ```bash
 # Either download the SDist from your CI, or make it:

docs/extra.css

@@ -45,6 +45,42 @@ h1, h2, h3, h4, h5, h6 {
     border-bottom: 1px solid  #e1e4e5;
     margin-bottom: 0.8em;
     padding-bottom: 0.2em;
+    scroll-margin: 1.5em 0;
+}
+
+/* make it so tables can overflow the content area, make the most of the content area */
+.wy-nav-content-wrap {
+  container-type: inline-size;
+}
+.wy-table-responsive {
+  overflow-x: auto;
+  overflow-y: hidden;
+  position: relative;
+  left: -3.236em;
+  max-width: calc(100cqw);
+  width: fit-content;
+  min-width: calc(100% + 3.236em + 3.236em);
+}
+.rst-content .section .wy-table-responsive .docutils {
+  padding-left: 3.236em;
+  padding-right: 3.236em;
+}
+.rst-content .section .wy-table-responsive .docutils thead,
+.rst-content .section .wy-table-responsive .docutils tbody {
+  background-color: white;
+}
+@media screen and (max-width: 768px) {
+  .wy-table-responsive {
+    left: -1em;
+  }
+  .rst-content .section .wy-table-responsive .docutils {
+    padding-left: 1em;
+    padding-right: 1em;
+  }
+}
+
+.wy-nav-content {
+  max-width: 900px;
 }
 
 .rst-content blockquote {

docs/faq.md

@@ -60,7 +60,7 @@ There are two suggested methods for keeping cibuildwheel up to date that instead
 If you use GitHub Actions for builds, you can use cibuildwheel as an action:
 
 ```yaml
-uses: pypa/cibuildwheel@v3.0.0b2
+uses: pypa/cibuildwheel@v3.0.0b3
 ```
 
 This is a composite step that just runs cibuildwheel using pipx. You can set command-line options as `with:` parameters, and use `env:` as normal.
@@ -82,7 +82,7 @@ The second option, and the only one that supports other CI systems, is using a `
 
 ```bash
 # requirements-cibw.txt
-cibuildwheel==3.0.0b2
+cibuildwheel==3.0.0b3
 ```
 
 Then your install step would have `python -m pip install -r requirements-cibw.txt` in it. Your `.github/dependabot.yml` file could look like this:
@@ -163,7 +163,7 @@ setuptools.setup(
 
 Your build might need some compiler flags to be set through environment variables.
 Consider incorporating these into your package, for example, in `setup.py` using [`extra_compile_args` or
-`extra_link_args`](https://docs.python.org/3/distutils/setupscript.html#other-options).
+`extra_link_args`](https://setuptools.pypa.io/en/latest/userguide/ext_modules.html#setuptools.Extension).
 
 ## Troubleshooting
 
@@ -247,7 +247,7 @@ Solutions to this vary, but the simplest is to use pipx:
 # most runners have pipx preinstalled, but in case you don't
 python3 -m pip install pipx
 
-pipx run cibuildwheel==3.0.0b2 --output-dir wheelhouse
+pipx run cibuildwheel==3.0.0b3 --output-dir wheelhouse
 pipx run twine upload wheelhouse/*.whl
 ```
 
@@ -313,7 +313,7 @@ This error may happen when you install a library using a package manager like Ho
 
 ### Windows: 'ImportError: DLL load failed: The specific module could not be found'
 
-Visual Studio and MSVC link the compiled binary wheels to the Microsoft Visual C++ Runtime. Normally, the C parts of the runtime are included with Python, but the C++ components are not. When compiling modules using C++, it is possible users will run into problems on systems that do not have the full set of runtime libraries installed. The solution is to ask users to download the corresponding Visual C++ Redistributable from the [Microsoft website](https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads) and install it.
+Visual Studio and MSVC link the compiled binary wheels to the Microsoft Visual C++ Runtime. Normally, the C parts of the runtime are included with Python, but the C++ components are not. When compiling modules using C++, it is possible users will run into problems on systems that do not have the full set of runtime libraries installed. The solution is to ask users to download the corresponding Visual C++ Redistributable from the [Microsoft website](https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist) and install it.
 
 Additionally, Visual Studio 2019 started linking to an even newer DLL, `VCRUNTIME140_1.dll`, besides the `VCRUNTIME140.dll` that is included with recent Python versions (starting from Python 3.5; see [here](https://wiki.python.org/moin/WindowsCompilers) for more details on the corresponding Visual Studio & MSVC versions used to compile the different Python versions). To avoid this extra dependency on `VCRUNTIME140_1.dll`, the [`/d2FH4-` flag](https://devblogs.microsoft.com/cppblog/making-cpp-exception-handling-smaller-x64/) can be added to the MSVC invocations (check out [this issue](https://github.com/pypa/cibuildwheel/issues/423) for details and references). CPython 3.8.3 and all versions after it have this extra DLL, so it is only needed for 3.8 and earlier.
 

docs/platforms.md

@@ -152,7 +152,7 @@ In order to speed-up builds, cibuildwheel will cache the tools it needs to be re
 
 `cibuildwheel` supports cross-compiling `ARM64` wheels on all Windows runners, but a native ARM64 runner is required for testing. On non-native runners, tests for ARM64 wheels will be automatically skipped with a warning. Add `"*-win_arm64"` to your `CIBW_TEST_SKIP` setting to suppress the warning.
 
-Cross-compilation on Windows relies on a supported build backend. Supported backends use an environment variable to specify their target platform (the one they are compiling native modules for, as opposed to the one they are running on), which is set in [cibuildwheels/windows.py](https://github.com/pypa/cibuildwheel/blob/main/cibuildwheel/windows.py) before building. Currently, `setuptools>=65.4.1` and `setuptools_rust` are the only supported backends.
+Cross-compilation on Windows relies on a supported build backend. Supported backends use an environment variable to specify their target platform (the one they are compiling native modules for, as opposed to the one they are running on), which is set in [cibuildwheel's windows.py](https://github.com/pypa/cibuildwheel/blob/main/cibuildwheel/platforms/windows.py) before building. Currently, `setuptools>=65.4.1` and `setuptools_rust` are the only supported backends.
 
 By default, `ARM64` is not enabled when running on non-ARM64 runners. Use [`CIBW_ARCHS`](options.md#archs) to select it.
 

docs/setup.md

@@ -23,7 +23,24 @@ cibuildwheel
 !!!tip
     You can pass the `--platform linux` option to cibuildwheel to build Linux wheels, even if you're not on Linux. On most machines, the easiest builds to try are the Linux builds. You don't need any software installed except a Docker daemon, such as [Docker Desktop](https://www.docker.com/get-started/). Each platform that cibuildwheel supports has its own system requirements and platform-specific behaviors. See the [platforms page](platforms.md) for details.
 
-You should see the builds taking place. You can experiment with [options](options.md) using environment variables or pyproject.toml.
+You should see the builds taking place. You can experiment with [options](options.md) using pyproject.toml or environment variables.
+
+!!! tab "pyproject.toml"
+
+    If you write your options into [`pyproject.toml`](configuration.md#configuration-file), you can work on your options locally, and they'll be automatically picked up when running in CI.
+
+    > pyproject.toml
+
+    ```
+    [tool.cibuildwheel]
+    before-all = "uname -a"
+    ```
+
+    Then invoke cibuildwheel, like:
+
+    ```console
+    cibuildwheel
+    ```
 
 !!! tab "Environment variables"
 
@@ -46,23 +63,6 @@ You should see the builds taking place. You can experiment with [options](option
     cibuildwheel
     ```
 
-!!! tab "pyproject.toml"
-
-    If you write your options into [`pyproject.toml`](configuration.md#configuration-file), you can work on your options locally, and they'll be automatically picked up when running in CI.
-
-    > pyproject.toml
-
-    ```
-    [tool.cibuildwheel]
-    before-all = "uname -a"
-    ```
-
-    Then invoke cibuildwheel, like:
-
-    ```console
-    cibuildwheel
-    ```
-
 - Once you've got a build working locally, you can move on to [setting up a CI service](ci-services.md).
 - View the [full options reference](options.md) to see what cibuildwheel can do.
 - Check out the [FAQ](faq.md) for common questions.

docs/working-examples.md

@@ -52,8 +52,8 @@ title: Working examples
 | [PyYAML][]                        | ![github icon][] | ![apple icon][] | Canonical source repository for PyYAML |
 | [pikepdf][]                       | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python library for reading and writing PDF, powered by QPDF |
 | [numexpr][]                       | ![github icon][] ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Fast numerical array expression evaluator for Python, NumPy, Pandas, PyTables and more |
-| [h5py][]                          | ![azurepipelines icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | HDF5 for Python -- The h5py package is a Pythonic interface to the HDF5 binary data format. |
 | [Wrapt][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python module for decorators, wrappers and monkey patching. |
+| [h5py][]                          | ![azurepipelines icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | HDF5 for Python -- The h5py package is a Pythonic interface to the HDF5 binary data format. |
 | [envd][]                          | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A machine learning development environment build tool |
 | [Psycopg 3][]                     | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A modern implementation of a PostgreSQL adapter for Python |
 | [OpenColorIO][]                   | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A color management framework for visual effects and animation. |
@@ -111,8 +111,8 @@ title: Working examples
 | [pyjet][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The interface between FastJet and NumPy |
 | [ril][]                           | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A python binding to Rust Imaging library using maturin and Pyo3, utilizes Github Action cache to improve speed. Builds abi3 wheels. |
 | [SiPM][]                          | ![github icon][] | ![apple icon][] ![linux icon][] | High performance library for SiPM detectors simulation using C++17, OpenMP and AVX2 intrinsics. |
-| [GSD][]                           | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Cython and NumPy project with 64-bit wheels. |
 | [aalink][]                        | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Async Python interface for Ableton Link. |
+| [GSD][]                           | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Cython and NumPy project with 64-bit wheels. |
 | [CorrectionLib][]                 | ![github icon][] | ![apple icon][] ![linux icon][] | Structured JSON powered correction library for HEP, designed for the CMS experiment at CERN. |
 | [xmlstarlet][]                    | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Python 3.6+ CFFI bindings with true MSVC build. |
 | [werpy][]                         | ![github icon][] | ![windows icon][] ![linux icon][] ![apple icon][] | An ultra-fast python package using optimized dynamic programming to compute the Word Error Rate (WER). |
@@ -162,8 +162,8 @@ title: Working examples
 [PyYAML]: https://github.com/yaml/pyyaml
 [pikepdf]: https://github.com/pikepdf/pikepdf
 [numexpr]: https://github.com/pydata/numexpr
-[h5py]: https://github.com/h5py/h5py
 [Wrapt]: https://github.com/GrahamDumpleton/wrapt
+[h5py]: https://github.com/h5py/h5py
 [envd]: https://github.com/tensorchord/envd
 [Psycopg 3]: https://github.com/psycopg/psycopg
 [OpenColorIO]: https://github.com/AcademySoftwareFoundation/OpenColorIO
@@ -221,8 +221,8 @@ title: Working examples
 [pyjet]: https://github.com/scikit-hep/pyjet
 [ril]: https://github.com/Cryptex-github/ril-py
 [SiPM]: https://github.com/EdoPro98/SimSiPM
-[GSD]: https://github.com/glotzerlab/gsd
 [aalink]: https://github.com/artfwo/aalink
+[GSD]: https://github.com/glotzerlab/gsd
 [CorrectionLib]: https://github.com/cms-nanoAOD/correctionlib
 [xmlstarlet]: https://github.com/dimitern/xmlstarlet
 [werpy]: https://github.com/analyticsinmotion/werpy

examples/azure-pipelines-minimal.yml

@@ -6,7 +6,7 @@ jobs:
     - bash: |
         set -o errexit
         python3 -m pip install --upgrade pip
-        pip3 install cibuildwheel==3.0.0b2
+        pip3 install cibuildwheel==3.0.0b3
       displayName: Install dependencies
     - bash: cibuildwheel --output-dir wheelhouse .
       displayName: Build wheels
@@ -20,7 +20,7 @@ jobs:
     - bash: |
         set -o errexit
         python3 -m pip install --upgrade pip
-        python3 -m pip install cibuildwheel==3.0.0b2
+        python3 -m pip install cibuildwheel==3.0.0b3
       displayName: Install dependencies
     - bash: cibuildwheel --output-dir wheelhouse .
       displayName: Build wheels
@@ -34,7 +34,7 @@ jobs:
     - bash: |
         set -o errexit
         python -m pip install --upgrade pip
-        pip install cibuildwheel==3.0.0b2
+        pip install cibuildwheel==3.0.0b3
       displayName: Install dependencies
     - bash: cibuildwheel --output-dir wheelhouse .
       displayName: Build wheels

examples/circleci-minimal.yml

@@ -11,7 +11,7 @@ jobs:
       - run:
           name: Build the Linux wheels.
           command: |
-            python3 -m pip install --user cibuildwheel==3.0.0b2
+            python3 -m pip install --user cibuildwheel==3.0.0b3
             cibuildwheel --output-dir wheelhouse
       - store_artifacts:
           path: wheelhouse/
@@ -28,7 +28,7 @@ jobs:
       - run:
           name: Build the Linux aarch64 wheels.
           command: |
-            python3 -m pip install --user cibuildwheel==3.0.0b2
+            python3 -m pip install --user cibuildwheel==3.0.0b3
             python3 -m cibuildwheel --output-dir wheelhouse
       - store_artifacts:
           path: wheelhouse/
@@ -44,7 +44,7 @@ jobs:
           name: Build the OS X wheels.
           command: |
             sudo softwareupdate --install-rosetta --agree-to-license  # for python<=3.8 or x86_64/universal2 tests
-            pip3 install cibuildwheel==3.0.0b2
+            pip3 install cibuildwheel==3.0.0b3
             cibuildwheel --output-dir wheelhouse
       - store_artifacts:
           path: wheelhouse/

examples/cirrus-ci-intel-mac.yml

@@ -1,6 +1,6 @@
 build_and_store_wheels: &BUILD_AND_STORE_WHEELS
   install_cibuildwheel_script:
-    - python -m pip install cibuildwheel==3.0.0b2
+    - python -m pip install cibuildwheel==3.0.0b3
   run_cibuildwheel_script:
     - cibuildwheel
   wheels_artifacts:

examples/cirrus-ci-minimal.yml

@@ -1,6 +1,6 @@
 build_and_store_wheels: &BUILD_AND_STORE_WHEELS
   install_cibuildwheel_script:
-    - python -m pip install cibuildwheel==3.0.0b2
+    - python -m pip install cibuildwheel==3.0.0b3
   run_cibuildwheel_script:
     - cibuildwheel
   wheels_artifacts:

examples/github-deploy.yml

@@ -44,7 +44,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.0.0b2
+        uses: pypa/cibuildwheel@v3.0.0b3
         env:
           CIBW_PLATFORM: ${{ matrix.platform }}
           CIBW_ARCHS: ${{ matrix.archs }}

examples/github-minimal.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.0.0b2
+        uses: pypa/cibuildwheel@v3.0.0b3
         # env:
         #   CIBW_SOME_OPTION: value
         #   ...

examples/github-pipx.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build wheels
-        run: pipx run cibuildwheel==3.0.0b2
+        run: pipx run cibuildwheel==3.0.0b3
 
       - uses: actions/upload-artifact@v4
         with:

examples/github-with-qemu.yml

@@ -21,7 +21,7 @@ jobs:
           platforms: all
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.0.0b2
+        uses: pypa/cibuildwheel@v3.0.0b3
         env:
           # configure cibuildwheel on Linux to build native archs ('auto'),
           # and to split the remaining architectures between the x86_64 and

examples/gitlab-minimal.yml

@@ -12,7 +12,7 @@ linux:
     DOCKER_TLS_CERTDIR: ""
   script:
     - curl -sSL https://get.docker.com/ | sh
-    - python -m pip install cibuildwheel==3.0.0b2
+    - python -m pip install cibuildwheel==3.0.0b3
     - cibuildwheel --output-dir wheelhouse
   artifacts:
     paths:
@@ -23,7 +23,7 @@ windows:
   before_script:
     - choco install python -y --version 3.12.4
     - choco install git.install -y
-    - py -m pip install cibuildwheel==3.0.0b2
+    - py -m pip install cibuildwheel==3.0.0b3
   script:
     - py -m cibuildwheel --output-dir wheelhouse --platform windows
   artifacts:
@@ -35,7 +35,7 @@ windows:
 macos:
   image: macos-14-xcode-15
   before_script:
-    - python3 -m pip install cibuildwheel==3.0.0b2
+    - python3 -m pip install cibuildwheel==3.0.0b3
   script:
     - python3 -m cibuildwheel --output-dir wheelhouse
   artifacts:

examples/gitlab-with-qemu.yml

@@ -14,7 +14,7 @@ linux:
     - curl -sSL https://get.docker.com/ | sh
     # Warning: This is extremely slow, be careful with how many wheels you build
     - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
-    - python -m pip install cibuildwheel==3.0.0b2
+    - python -m pip install cibuildwheel==3.0.0b3
     # Assuming your CI runner's default architecture is x86_64...
     - cibuildwheel --output-dir wheelhouse --platform linux --archs aarch64
   artifacts:

examples/travis-ci-deploy.yml

@@ -20,7 +20,7 @@ jobs:
         - ln -s /c/Python312/python.exe /c/Python312/python3.exe
 
 install:
-  - python3 -m pip install cibuildwheel==3.0.0b2
+  - python3 -m pip install cibuildwheel==3.0.0b3
 
 script:
   # build the wheels, put them into './dist'

examples/travis-ci-minimal.yml

@@ -26,7 +26,7 @@ jobs:
         - ln -s /c/Python312/python.exe /c/Python312/python3.exe
 
 install:
-  - python3 -m pip install cibuildwheel==3.0.0b2
+  - python3 -m pip install cibuildwheel==3.0.0b3
 
 script:
   # build the wheels, put them into './wheelhouse'

examples/travis-ci-test-and-deploy.yml

@@ -52,7 +52,7 @@ jobs:
     - stage: deploy
       name: Build and deploy Linux wheels
       services: docker
-      install: python3 -m pip install cibuildwheel==3.0.0b2 twine
+      install: python3 -m pip install cibuildwheel==3.0.0b3 twine
       script: python3 -m cibuildwheel --output-dir wheelhouse
       after_success: python3 -m twine upload --skip-existing wheelhouse/*.whl
     # Deploy on windows
@@ -60,7 +60,7 @@ jobs:
       name: Build and deploy Windows wheels
       os: windows
       language: shell
-      install: python3 -m pip install cibuildwheel==3.0.0b2 twine
+      install: python3 -m pip install cibuildwheel==3.0.0b3 twine
       script: python3 -m cibuildwheel --output-dir wheelhouse
       after_success: python3 -m twine upload --skip-existing wheelhouse/*.whl
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "cibuildwheel"
-version = "3.0.0b2"
+version = "3.0.0b3"
 description = "Build Python wheels on CI with minimal configuration."
 readme = "README.md"
 license = "BSD-2-Clause"
@@ -231,3 +231,14 @@ ignore = ["PC170", "PP303"]
 
 [tool.check-wheel-contents]
 ignore = ["W002"]  # constraints-*.txt are allowed to be duplicates of one another
+
+[tool.codespell]
+ignore-words-list = [
+    "sur",
+    "assertin",
+]
+skip = [
+    '^docs/working-examples\.md',
+    'htmlcov',
+    'all_known_setup.yaml',
+]

test/test_abi_variants.py

@@ -41,7 +41,7 @@ def test_abi3(tmp_path):
         add_env={
             # free_threaded, GraalPy, and PyPy do not have a Py_LIMITED_API equivalent, just build one of those
             # also limit the number of builds for test performance reasons
-            "CIBW_BUILD": "cp39-* cp310-* pp310-* gp242-* cp312-* cp313t-*",
+            "CIBW_BUILD": "cp39-* cp310-* pp310-* gp311_242-* cp312-* cp313t-*",
             "CIBW_ENABLE": "all",
         },
     )
@@ -187,7 +187,7 @@ def test_abi_none(tmp_path, capfd):
         project_dir,
         add_env={
             "CIBW_TEST_REQUIRES": "pytest",
-            "CIBW_TEST_COMMAND": f"{utils.invoke_pytest()} ./test",
+            "CIBW_TEST_COMMAND": f"{utils.invoke_pytest()} {{project}}/test",
             # limit the number of builds for test performance reasons
             "CIBW_BUILD": "cp38-* cp{}{}-* cp313t-* pp310-*".format(*utils.SINGLE_PYTHON_VERSION),
             "CIBW_ENABLE": "all",

test/test_before_all.py

@@ -36,16 +36,19 @@ def test(tmp_path):
     with (project_dir / "text_info.txt").open(mode="w") as ff:
         print("dummy text", file=ff)
 
-    # build the wheels
+    # write python version information to a temporary file, this is checked in
+    # setup.py
+    #
+    # note, before_all runs in whatever the host environment is, `python`
+    # might be any version of python (even Python 2 on Travis ci!), so this is
+    # written to be broadly compatible
     before_all_command = (
-        """python -c "import os, pathlib, sys; pathlib.Path('{project}/text_info.txt').write_text('sample text '+os.environ.get('TEST_VAL', ''))" && """
-        '''python -c "import pathlib, sys; pathlib.Path('{project}/python_prefix.txt').write_text(sys.prefix)"'''
+        """python -c "import os, sys; f = open('{project}/text_info.txt', 'w'); f.write('sample text '+os.environ.get('TEST_VAL', '')); f.close()" && """
+        '''python -c "import sys; f = open('{project}/python_prefix.txt', 'w'); f.write(sys.prefix); f.close()"'''
     )
     actual_wheels = utils.cibuildwheel_run(
         project_dir,
         add_env={
-            # write python version information to a temporary file, this is
-            # checked in setup.py
             "CIBW_BEFORE_ALL": before_all_command,
             "CIBW_BEFORE_ALL_LINUX": f'{before_all_command} && python -c "import sys; assert sys.version_info >= (3, 8)"',
             "CIBW_ENVIRONMENT": "TEST_VAL='123'",

test/test_before_test.py

@@ -62,10 +62,10 @@ def test(tmp_path, build_frontend_env):
             "CIBW_TEST_REQUIRES": "pytest",
             # the 'false ||' bit is to ensure this command runs in a shell on
             # mac/linux.
-            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} ./test",
+            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} {{project}}/test",
             # pytest fails on GraalPy 24.2.0 on Windows so we skip it there
             # until https://github.com/oracle/graalpython/issues/490 is fixed
-            "CIBW_TEST_COMMAND_WINDOWS": "where graalpy || pytest ./test",
+            "CIBW_TEST_COMMAND_WINDOWS": "where graalpy || pytest {project}/test",
             **build_frontend_env,
         },
     )

test/test_emulation.py

@@ -32,7 +32,7 @@ def test(tmp_path, request):
         project_dir,
         add_env={
             "CIBW_TEST_REQUIRES": "pytest",
-            "CIBW_TEST_COMMAND": "pytest ./test",
+            "CIBW_TEST_COMMAND": "pytest {project}/test",
             "CIBW_ARCHS": archs,
             # TODO remove me once proper support is added
             "CIBW_MANYLINUX_RISCV64_IMAGE": "ghcr.io/mayeut/manylinux_2_35:2025.05.11-1",

test/test_ios.py

@@ -91,8 +91,9 @@ def test_ios_platforms(tmp_path, build_config, monkeypatch, capfd):
     assert "'does-exist' will be included in the cross-build environment" in captured.out
 
 
+@pytest.mark.serial
 def test_no_test_sources(tmp_path, capfd):
-    """Build will fail if test-sources isn't defined."""
+    """Build will provide a helpful error if pytest is run and test-sources is not defined."""
     if utils.get_platform() != "macos":
         pytest.skip("this test can only run on macOS")
     if utils.get_xcode_version() < (13, 0):
@@ -109,13 +110,47 @@ def test_no_test_sources(tmp_path, capfd):
             add_env={
                 "CIBW_PLATFORM": "ios",
                 "CIBW_BUILD": "cp313-*",
-                "CIBW_TEST_COMMAND": "python -m tests",
+                "CIBW_TEST_REQUIRES": "pytest",
+                "CIBW_TEST_COMMAND": "python -m pytest",
+                "CIBW_XBUILD_TOOLS": "",
             },
         )
 
     # The error message indicates the configuration issue.
     captured = capfd.readouterr()
-    assert "Testing on iOS requires a definition of test-sources." in captured.err
+    assert (
+        "you must copy your test files to the testbed app by setting the `test-sources` option"
+        in captured.out + captured.err
+    )
+
+
+def test_ios_testing_with_placeholder(tmp_path, capfd):
+    """Build will run tests with the {project} placeholder."""
+    if utils.get_platform() != "macos":
+        pytest.skip("this test can only run on macOS")
+    if utils.get_xcode_version() < (13, 0):
+        pytest.skip("this test only works with Xcode 13.0 or greater")
+
+    project_dir = tmp_path / "project"
+    basic_project = test_projects.new_c_project()
+    basic_project.files.update(basic_project_files)
+    basic_project.generate(project_dir)
+
+    with pytest.raises(subprocess.CalledProcessError):
+        utils.cibuildwheel_run(
+            project_dir,
+            add_env={
+                "CIBW_PLATFORM": "ios",
+                "CIBW_BUILD": "cp313-*",
+                "CIBW_TEST_REQUIRES": "pytest",
+                "CIBW_TEST_COMMAND": "pytest {project}/tests",
+                "CIBW_XBUILD_TOOLS": "",
+            },
+        )
+
+    # The error message indicates the configuration issue.
+    captured = capfd.readouterr()
+    assert "iOS tests cannot use placeholders" in captured.out + captured.err
 
 
 def test_missing_xbuild_tool(tmp_path, capfd):

test/test_macos_archs.py

@@ -42,11 +42,9 @@ def test_cross_compiled_build(tmp_path):
 @pytest.mark.parametrize(
     "test_config",
     [
-        # Run the test suite in the project folder
         {
             "CIBW_TEST_COMMAND": '''python -c "import platform; print('running tests on ' + platform.machine())"''',
         },
-        # Nominate the set of test sources to copy
         {
             "CIBW_TEST_COMMAND": "python tests/test_suite.py",
             "CIBW_TEST_SOURCES": "tests",

test/test_pyodide.py

@@ -129,7 +129,7 @@ def test_pyodide_build_and_test(tmp_path, expect_failure):
             add_args=["--platform", "pyodide"],
             add_env={
                 "CIBW_TEST_REQUIRES": "pytest",
-                "CIBW_TEST_COMMAND": "python -m pytest",
+                "CIBW_TEST_COMMAND": "python -m pytest {project}",
             },
         )
         # check that the expected wheels are produced

test/test_testing.py

@@ -86,10 +86,10 @@ def test(tmp_path):
             "CIBW_TEST_REQUIRES": "pytest",
             # the 'false ||' bit is to ensure this command runs in a shell on
             # mac/linux.
-            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} ./test",
+            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} {{project}}/test",
             # pytest fails on GraalPy 24.2.0 on Windows so we skip it there
             # until https://github.com/oracle/graalpython/issues/490 is fixed
-            "CIBW_TEST_COMMAND_WINDOWS": "COLOR 00 || where graalpy || pytest ./test",
+            "CIBW_TEST_COMMAND_WINDOWS": "COLOR 00 || where graalpy || pytest {project}/test",
         },
     )
 
@@ -109,10 +109,10 @@ def test_extras_require(tmp_path):
             "CIBW_TEST_EXTRAS": "test",
             # the 'false ||' bit is to ensure this command runs in a shell on
             # mac/linux.
-            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} ./test",
+            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} {{project}}/test",
             # pytest fails on GraalPy 24.2.0 on Windows so we skip it there
             # until https://github.com/oracle/graalpython/issues/490 is fixed
-            "CIBW_TEST_COMMAND_WINDOWS": "COLOR 00 || where graalpy || pytest ./test",
+            "CIBW_TEST_COMMAND_WINDOWS": "COLOR 00 || where graalpy || pytest {project}/test",
         },
         single_python=True,
     )
@@ -143,10 +143,10 @@ def test_dependency_groups(tmp_path):
             "CIBW_TEST_GROUPS": "dev",
             # the 'false ||' bit is to ensure this command runs in a shell on
             # mac/linux.
-            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} ./test",
+            "CIBW_TEST_COMMAND": f"false || {utils.invoke_pytest()} {{project}}/test",
             # pytest fails on GraalPy 24.2.0 on Windows so we skip it there
             # until https://github.com/oracle/graalpython/issues/490 is fixed
-            "CIBW_TEST_COMMAND_WINDOWS": "COLOR 00 || where graalpy || pytest ./test",
+            "CIBW_TEST_COMMAND_WINDOWS": "COLOR 00 || where graalpy || pytest {project}/test",
         },
         single_python=True,
     )
@@ -178,7 +178,7 @@ def test_failing_test(tmp_path):
             output_dir=output_dir,
             add_env={
                 "CIBW_TEST_REQUIRES": "pytest",
-                "CIBW_TEST_COMMAND": f"{utils.invoke_pytest()} ./test",
+                "CIBW_TEST_COMMAND": f"{utils.invoke_pytest()} {{project}}/test",
                 # CPython 3.8 when running on macOS arm64 is unusual. The build
                 # always runs in x86_64, so the arm64 tests are not run. See
                 # #1169 for reasons why. That means the build succeeds, which
@@ -191,29 +191,41 @@ def test_failing_test(tmp_path):
 
 
 @pytest.mark.parametrize("test_runner", ["pytest", "unittest"])
-def test_bare_pytest_invocation(tmp_path: Path, test_runner: str) -> None:
-    """Check that if a user runs a bare test suite, it runs in the project folder"""
+def test_bare_pytest_invocation(
+    tmp_path: Path, capfd: pytest.CaptureFixture[str], test_runner: str
+) -> None:
+    """
+    Check that if a user runs pytest in the the test cwd without setting
+    test-sources, it raises a helpful error
+    """
     project_dir = tmp_path / "project"
     project_with_a_test.generate(project_dir)
+    output_dir = tmp_path / "output"
 
-    actual_wheels = utils.cibuildwheel_run(
-        project_dir,
-        add_env={
-            "CIBW_TEST_REQUIRES": "pytest" if test_runner == "pytest" else "",
-            "CIBW_TEST_COMMAND": (
-                # pytest fails on GraalPy 24.2.0 on Windows so we skip it there
-                # until https://github.com/oracle/graalpython/issues/490 fixed
-                "graalpy.exe -c 1 || python -m pytest"
-                if test_runner == "pytest"
-                else "python -m unittest discover test spam_test.py"
-            ),
-        },
+    with pytest.raises(subprocess.CalledProcessError):
+        utils.cibuildwheel_run(
+            project_dir,
+            output_dir=output_dir,
+            add_env={
+                "CIBW_TEST_REQUIRES": "pytest" if test_runner == "pytest" else "",
+                "CIBW_TEST_COMMAND": (
+                    "python -m pytest" if test_runner == "pytest" else "python -m unittest"
+                ),
+                # Skip CPython 3.8 on macOS arm64, see comment above in
+                # 'test_failing_test'
+                "CIBW_SKIP": "cp38-macosx_arm64",
+            },
+        )
+
+    assert len(list(output_dir.iterdir())) == 0
+
+    captured = capfd.readouterr()
+
+    assert (
+        "Please specify a path to your tests when invoking pytest using the {project} placeholder"
+        in captured.out + captured.err
     )
 
-    # check that we got the right wheels
-    expected_wheels = utils.expected_wheels("spam", "0.1.0")
-    assert set(actual_wheels) == set(expected_wheels)
-
 
 def test_test_sources(tmp_path):
     project_dir = tmp_path / "project"

unit_test/build_selector_test.py

@@ -152,7 +152,7 @@ def test_build_limited_python():
         build_config="*",
         skip_config="",
         requires_python=SpecifierSet(">=3.7"),
-        enable=frozenset([EnableGroup.PyPy, EnableGroup.PyPyEoL]),
+        enable=frozenset([EnableGroup.PyPy, EnableGroup.PyPyEoL, EnableGroup.GraalPy]),
     )
 
     assert not build_selector("cp36-manylinux_x86_64")
@@ -165,6 +165,7 @@ def test_build_limited_python():
     assert build_selector("cp37-win32")
     assert build_selector("cp38-win32")
     assert build_selector("pp37-win_amd64")
+    assert build_selector("gp311_242-win_amd64")
 
 
 def test_build_limited_python_partial():

unit_test/get_platform_test.py

@@ -1,6 +1,8 @@
 import contextlib
 import sys
+from collections.abc import Generator
 from pathlib import Path
+from typing import TYPE_CHECKING
 
 import pytest
 import setuptools._distutils.util
@@ -10,23 +12,27 @@ from cibuildwheel.errors import FatalError
 from cibuildwheel.platforms.windows import PythonConfiguration, setup_setuptools_cross_compile
 
 # monkeypatching os.name is too flaky. E.g. It works on my machine, but fails in pipeline
-if not sys.platform.startswith("win"):
+if not sys.platform.startswith("win") and not TYPE_CHECKING:
     pytest.skip("Windows-only tests", allow_module_level=True)
 
 
 @contextlib.contextmanager
-def patched_environment(monkeypatch: pytest.MonkeyPatch, environment: dict[str, str]):
+def patched_environment(
+    monkeypatch: pytest.MonkeyPatch, environment: dict[str, str]
+) -> Generator[None, None, None]:
     with monkeypatch.context() as mp:
         for envvar, val in environment.items():
             mp.setenv(name=envvar, value=val)
         yield
 
 
-def test_x86(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
+def test_x86(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     arch = "32"
     environment: dict[str, str] = {}
 
-    configuration = PythonConfiguration("irrelevant", arch, "irrelevant", None)
+    configuration = PythonConfiguration(
+        version="irrelevant", arch=arch, identifier="irrelevant", url=None
+    )
 
     setup_setuptools_cross_compile(tmp_path, configuration, tmp_path, environment)
     with patched_environment(monkeypatch, environment):
@@ -36,11 +42,13 @@ def test_x86(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
     assert target_platform == "win32"
 
 
-def test_x64(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
+def test_x64(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     arch = "64"
     environment: dict[str, str] = {}
 
-    configuration = PythonConfiguration("irrelevant", arch, "irrelevant", None)
+    configuration = PythonConfiguration(
+        version="irrelevant", arch=arch, identifier="irrelevant", url=None
+    )
 
     setup_setuptools_cross_compile(tmp_path, configuration, tmp_path, environment)
     with patched_environment(monkeypatch, environment):
@@ -53,11 +61,13 @@ def test_x64(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
 @pytest.mark.skipif(
     detect_ci_provider() == CIProvider.azure_pipelines, reason="arm64 not recognised on azure"
 )
-def test_arm(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
+def test_arm(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     arch = "ARM64"
     environment: dict[str, str] = {}
 
-    configuration = PythonConfiguration("irrelevant", arch, "irrelevant", None)
+    configuration = PythonConfiguration(
+        version="irrelevant", arch=arch, identifier="irrelevant", url=None
+    )
 
     setup_setuptools_cross_compile(tmp_path, configuration, tmp_path, environment)
     with patched_environment(monkeypatch, environment):
@@ -67,21 +77,25 @@ def test_arm(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
     assert target_platform == "win-arm64"
 
 
-def test_env_set(tmp_path: Path):
+def test_env_set(tmp_path: Path) -> None:
     arch = "32"
     environment = {"VSCMD_ARG_TGT_ARCH": "x64"}
 
-    configuration = PythonConfiguration("irrelevant", arch, "irrelevant", None)
+    configuration = PythonConfiguration(
+        version="irrelevant", arch=arch, identifier="irrelevant", url=None
+    )
 
     with pytest.raises(FatalError, match="VSCMD_ARG_TGT_ARCH"):
         setup_setuptools_cross_compile(tmp_path, configuration, tmp_path, environment)
 
 
-def test_env_blank(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
+def test_env_blank(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     arch = "32"
     environment = {"VSCMD_ARG_TGT_ARCH": ""}
 
-    configuration = PythonConfiguration("irrelevant", arch, "irrelevant", None)
+    configuration = PythonConfiguration(
+        version="irrelevant", arch=arch, identifier="irrelevant", url=None
+    )
 
     setup_setuptools_cross_compile(tmp_path, configuration, tmp_path, environment)
     with patched_environment(monkeypatch, environment):

unit_test/oci_container_test.py

@@ -239,16 +239,23 @@ def test_binary_output(container_engine):
         assert output == binary_data_string
 
 
-def test_file_operation(tmp_path: Path, container_engine: OCIContainerEngineConfig) -> None:
+@pytest.mark.parametrize(
+    "file_path",
+    ["test.dat", "path/to/test.dat"],
+)
+def test_file_operation(
+    tmp_path: Path, container_engine: OCIContainerEngineConfig, file_path: str
+) -> None:
     with OCIContainer(
         engine=container_engine, image=DEFAULT_IMAGE, oci_platform=DEFAULT_OCI_PLATFORM
     ) as container:
         # test copying a file in
         test_binary_data = bytes(random.randrange(256) for _ in range(1000))
-        original_test_file = tmp_path / "test.dat"
+        original_test_file = tmp_path / file_path
+        original_test_file.parent.mkdir(parents=True, exist_ok=True)
         original_test_file.write_bytes(test_binary_data)
 
-        dst_file = PurePath("/tmp/test.dat")
+        dst_file = PurePath("/tmp") / file_path
 
         container.copy_into(original_test_file, dst_file)
 

unit_test/option_prepare_test.py

@@ -14,7 +14,7 @@ from cibuildwheel.oci_container import OCIPlatform
 from cibuildwheel.util import file
 
 DEFAULT_IDS = {"cp38", "cp39", "cp310", "cp311", "cp312", "cp313"}
-ALL_IDS = DEFAULT_IDS | {"cp313t", "pp38", "pp39", "pp310", "pp311", "gp242"}
+ALL_IDS = DEFAULT_IDS | {"cp313t", "pp38", "pp39", "pp310", "pp311", "gp311_242"}
 
 
 @pytest.fixture
@@ -157,7 +157,7 @@ before-all = "true"
             "pp39",
             "pp310",
             "pp311",
-            "gp242",
+            "gp311_242",
         }
     }
     assert kwargs["options"].build_options("cp39-manylinux_x86_64").before_all == ""
@@ -179,7 +179,7 @@ before-all = "true"
             "pp39",
             "pp310",
             "pp311",
-            "gp242",
+            "gp311_242",
         ]
     }