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- 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, # type: str
- backend, # type: Pep517HookCaller
- metadata_directory, # type: str
- tempd, # type: str
- ):
- # type: (...) -> 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} (PEP 517)'
- )
- 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)
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