name : wheel_editable.py import logging import os from typing import Optional from pip._vendor.pyproject_hooks import BuildBackendHookCaller, HookMissing from pip._internal.utils.subprocess import runner_with_spinner_message logger = logging.getLogger(__name__) def build_wheel_editable( name: str, backend: BuildBackendHookCaller, metadata_directory: str, tempd: str, ) -> Optional[str]: """Build one InstallRequirement using the PEP 660 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 editable for {name} (pyproject.toml)" ) with backend.subprocess_runner(runner): try: wheel_name = backend.build_editable( tempd, metadata_directory=metadata_directory, ) except HookMissing as e: logger.error( "Cannot build editable %s because the build " "backend does not have the %s hook", name, e, ) return None except Exception: logger.error("Failed building editable for %s", name) return None return os.path.join(tempd, wheel_name)