import logging import os from typing import Optional from pip._vendor.pep517.wrappers import Pep517HookCaller from pip._internal.utils.subprocess import runner_with_spinner_message logger = logging.getLogger(__name__) def build_wheel_pep517( name: str, backend: Pep517HookCaller, metadata_directory: str, tempd: str, ) -> Optional[str]: """Build one InstallRequirement using the PEP 517 build process. Returns path to wheel if successfully built. Otherwise, returns None. """ assert metadata_directory is not None try: logger.debug("Destination directory: %s", tempd) runner = runner_with_spinner_message( f"Building wheel for {name} (pyproject.toml)" ) with backend.subprocess_runner(runner): wheel_name = backend.build_wheel( tempd, metadata_directory=metadata_directory, ) except Exception: logger.error("Failed building wheel for %s", name) return None return os.path.join(tempd, wheel_name)