| 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) |
