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from __future__ import annotations |
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import pathlib |
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import tempfile |
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import pyproject_hooks |
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from . import ProjectBuilder |
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from ._compat import importlib |
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from ._types import StrPath, SubprocessRunner |
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from .env import DefaultIsolatedEnv |
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def _project_wheel_metadata(builder: ProjectBuilder) -> importlib.metadata.PackageMetadata: |
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with tempfile.TemporaryDirectory() as tmpdir: |
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path = pathlib.Path(builder.metadata_path(tmpdir)) |
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return importlib.metadata.PathDistribution(path).metadata |
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def project_wheel_metadata( |
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source_dir: StrPath, |
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isolated: bool = True, |
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*, |
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runner: SubprocessRunner = pyproject_hooks.quiet_subprocess_runner, |
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) -> importlib.metadata.PackageMetadata: |
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""" |
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Return the wheel metadata for a project. |
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Uses the ``prepare_metadata_for_build_wheel`` hook if available, |
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otherwise ``build_wheel``. |
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:param source_dir: Project source directory |
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:param isolated: Whether or not to run invoke the backend in the current |
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environment or to create an isolated one and invoke it |
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there. |
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:param runner: An alternative runner for backend subprocesses |
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""" |
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if isolated: |
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with DefaultIsolatedEnv() as env: |
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builder = ProjectBuilder.from_isolated_env( |
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env, |
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source_dir, |
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runner=runner, |
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) |
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env.install(builder.build_system_requires) |
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env.install(builder.get_requires_for_build('wheel')) |
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return _project_wheel_metadata(builder) |
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else: |
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builder = ProjectBuilder( |
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source_dir, |
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runner=runner, |
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) |
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return _project_wheel_metadata(builder) |
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__all__ = [ |
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'project_wheel_metadata', |
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] |
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