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