feat: build[uv] (#1856)

test/conftest.py

@@ -6,7 +6,7 @@ from typing import Generator
 
 import pytest
 
-from cibuildwheel.util import detect_ci_provider
+from cibuildwheel.util import detect_ci_provider, find_uv
 
 from .utils import EMULATED_ARCHS, platform
 
@@ -31,12 +31,21 @@ def pytest_addoption(parser) -> None:
 @pytest.fixture(
     params=[{"CIBW_BUILD_FRONTEND": "pip"}, {"CIBW_BUILD_FRONTEND": "build"}], ids=["pip", "build"]
 )
-def build_frontend_env(request) -> dict[str, str]:
+def build_frontend_env_nouv(request) -> dict[str, str]:
     if platform == "pyodide":
         pytest.skip("Can't use pip as build frontend for pyodide platform")
+
     return request.param  # type: ignore[no-any-return]
 
 
+@pytest.fixture()
+def build_frontend_env(build_frontend_env_nouv: dict[str, str]) -> dict[str, str]:
+    if build_frontend_env_nouv["CIBW_BUILD_FRONTEND"] == "build" and find_uv() is not None:
+        return {"CIBW_BUILD_FRONTEND": "build[uv]"}
+
+    return build_frontend_env_nouv
+
+
 @pytest.fixture()
 def docker_cleanup() -> Generator[None, None, None]:
     def get_images() -> set[str]:

test/test_dependency_versions.py

@@ -53,7 +53,7 @@ def get_versions_from_constraint_file(constraint_file):
 
 
 @pytest.mark.parametrize("python_version", ["3.6", "3.8", "3.10"])
-def test_pinned_versions(tmp_path, python_version, build_frontend_env):
+def test_pinned_versions(tmp_path, python_version, build_frontend_env_nouv):
     if utils.platform == "linux":
         pytest.skip("linux doesn't pin individual tool versions, it pins manylinux images instead")
     if python_version == "3.6" and utils.platform == "macos" and platform.machine() == "arm64":
@@ -79,7 +79,7 @@ def test_pinned_versions(tmp_path, python_version, build_frontend_env):
         add_env={
             "CIBW_BUILD": build_pattern,
             "CIBW_ENVIRONMENT": cibw_environment_option,
-            **build_frontend_env,
+            **build_frontend_env_nouv,
         },
     )
 
@@ -93,7 +93,7 @@ def test_pinned_versions(tmp_path, python_version, build_frontend_env):
     assert set(actual_wheels) == set(expected_wheels)
 
 
-def test_dependency_constraints_file(tmp_path, build_frontend_env):
+def test_dependency_constraints_file(tmp_path, build_frontend_env_nouv):
     if utils.platform == "linux":
         pytest.skip("linux doesn't pin individual tool versions, it pins manylinux images instead")
 
@@ -130,7 +130,7 @@ def test_dependency_constraints_file(tmp_path, build_frontend_env):
             "CIBW_ENVIRONMENT": cibw_environment_option,
             "CIBW_DEPENDENCY_VERSIONS": str(constraints_file),
             "CIBW_SKIP": "cp36-*",
-            **build_frontend_env,
+            **build_frontend_env_nouv,
         },
     )
 

test/test_macos_archs.py

@@ -172,7 +172,7 @@ def test_universal2_testing_on_x86_64(tmp_path, capfd, skip_arm64_test):
     assert set(actual_wheels) == set(expected_wheels)
 
 
-def test_universal2_testing_on_arm64(tmp_path, capfd):
+def test_universal2_testing_on_arm64(build_frontend_env, tmp_path, capfd):
     # cibuildwheel should test the universal2 wheel on both x86_64 and arm64, when run on arm64
     if utils.platform != "macos":
         pytest.skip("this test is only relevant to macos")
@@ -187,15 +187,16 @@ def test_universal2_testing_on_arm64(tmp_path, capfd):
         add_env={
             "CIBW_ARCHS": "universal2",
             # check that a native dependency is correctly installed, once per each testing arch
-            "CIBW_TEST_REQUIRES": "numpy",
-            "CIBW_TEST_COMMAND": '''python -c "import numpy, platform; print(f'running tests on {platform.machine()} with numpy {numpy.__version__}')"''',
+            "CIBW_TEST_REQUIRES": "--only-binary :all: pillow>=10.3",  # pillow>=10.3 provides wheels for macOS 10.10, not 10.9
+            "CIBW_TEST_COMMAND": '''python -c "import PIL, platform; print(f'running tests on {platform.machine()} with pillow {PIL.__version__}')"''',
+            **build_frontend_env,
         },
         single_python=True,
     )
 
     captured = capfd.readouterr()
-    assert "running tests on arm64" in captured.out
-    assert "running tests on x86_64" in captured.out
+    assert "running tests on arm64 with pillow" in captured.out
+    assert "running tests on x86_64 with pillow" in captured.out
 
     python_tag = "cp{}{}".format(*utils.SINGLE_PYTHON_VERSION)
     expected_wheels = [w for w in ALL_MACOS_WHEELS if python_tag in w and "universal2" in w]