fix: do not use uv to setup python on windows when conditions are n…

…ot met (#2005)

* fix: do not use `uv` to setup python on windows when conditions are not met

* add `can_use_uv` on macOS

cibuildwheel/macos.py

@@ -193,20 +193,23 @@ def install_pypy(tmp: Path, url: str) -> Path:
  return installation_path / "bin" / "pypy3"
 
 
+def can_use_uv(python_configuration: PythonConfiguration) -> bool:
+ conditions = (Version(python_configuration.version) >= Version("3.8"),)
+ return all(conditions)
+
+
 def setup_python(
  tmp: Path,
  python_configuration: PythonConfiguration,
  dependency_constraint_flags: Sequence[PathOrStr],
  environment: ParsedEnvironment,
  build_frontend: BuildFrontendName,
 ) -> tuple[Path, dict[str, str]]:
- if build_frontend == "build[uv]" and Version(python_configuration.version) < Version("3.8"):
+ if build_frontend == "build[uv]" and not can_use_uv(python_configuration):
  build_frontend = "build"
 
  uv_path = find_uv()
- use_uv = build_frontend == "build[uv]" and Version(python_configuration.version) >= Version(
- "3.8"
- )
+ use_uv = build_frontend == "build[uv]"
 
  tmp.mkdir()
  implementation_id = python_configuration.identifier.split("-")[0]
@@ -415,9 +418,7 @@ def build(options: Options, tmp_path: Path) -> None:
  for config in python_configurations:
  build_options = options.build_options(config.identifier)
  build_frontend = build_options.build_frontend or BuildFrontendConfig("pip")
- use_uv = build_frontend.name == "build[uv]" and Version(config.version) >= Version(
- "3.8"
- )
+ use_uv = build_frontend.name == "build[uv]" and can_use_uv(config)
  uv_path = find_uv()
  if use_uv and uv_path is None:
  msg = "uv not found"

cibuildwheel/windows.py

@@ -225,6 +225,14 @@ def setup_rust_cross_compile(
  )
 
 
+def can_use_uv(python_configuration: PythonConfiguration) -> bool:
+ conditions = (
+ Version(python_configuration.version) >= Version("3.8"),
+ not python_configuration.identifier.startswith("pp38-"),
+ )
+ return all(conditions)
+
+
 def setup_python(
  tmp: Path,
  python_configuration: PythonConfiguration,
@@ -254,11 +262,10 @@ def setup_python(
  raise ValueError(msg)
  assert base_python.exists()
 
- use_uv = (
- build_frontend == "build[uv]"
- and Version(python_configuration.version) >= Version("3.8")
- and not python_configuration.identifier.startswith("pp38-")
- )
+ if build_frontend == "build[uv]" and not can_use_uv(python_configuration):
+ build_frontend = "build"
+
+ use_uv = build_frontend == "build[uv]"
  uv_path = find_uv()
 
  log.step("Setting up build environment...")
@@ -368,11 +375,7 @@ def build(options: Options, tmp_path: Path) -> None:
  for config in python_configurations:
  build_options = options.build_options(config.identifier)
  build_frontend = build_options.build_frontend or BuildFrontendConfig("pip")
- use_uv = (
- build_frontend.name == "build[uv]"
- and Version(config.version) >= Version("3.8")
- and not config.identifier.startswith("pp38-")
- )
+ use_uv = build_frontend.name == "build[uv]" and can_use_uv(config)
  log.build_start(config.identifier)
 
  identifier_tmp_dir = tmp_path / config.identifier