59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
# SPDX-License-Identifier: MIT
|
|
|
|
import os
|
|
import pathlib
|
|
import sys
|
|
import tempfile
|
|
|
|
import pep517
|
|
|
|
import build
|
|
import build.env
|
|
|
|
|
|
if sys.version_info >= (3, 8):
|
|
import importlib.metadata as importlib_metadata
|
|
else:
|
|
import importlib_metadata
|
|
|
|
|
|
def _project_wheel_metadata(builder: build.ProjectBuilder) -> 'importlib_metadata.PackageMetadata':
|
|
with tempfile.TemporaryDirectory() as tmpdir:
|
|
path = pathlib.Path(builder.metadata_path(tmpdir))
|
|
# https://github.com/python/importlib_metadata/pull/343
|
|
return importlib_metadata.PathDistribution(path).metadata # type: ignore[arg-type]
|
|
|
|
|
|
def project_wheel_metadata(
|
|
srcdir: build.PathType,
|
|
isolated: bool = True,
|
|
) -> 'importlib_metadata.PackageMetadata':
|
|
"""
|
|
Return the wheel metadata for a project.
|
|
|
|
Uses the ``prepare_metadata_for_build_wheel`` hook if available,
|
|
otherwise ``build_wheel``.
|
|
|
|
:param srcdir: Project source directory
|
|
:param isolated: Whether or not to run invoke the backend in the current
|
|
environment or to create an isolated one and invoke it
|
|
there.
|
|
"""
|
|
builder = build.ProjectBuilder(
|
|
os.fspath(srcdir),
|
|
runner=pep517.quiet_subprocess_runner,
|
|
)
|
|
|
|
if not isolated:
|
|
return _project_wheel_metadata(builder)
|
|
|
|
with build.env.IsolatedEnvBuilder() as env:
|
|
builder.python_executable = env.executable
|
|
builder.scripts_dir = env.scripts_dir
|
|
env.install(builder.build_system_requires)
|
|
env.install(builder.get_requires_for_build('wheel'))
|
|
return _project_wheel_metadata(builder)
|
|
|
|
|
|
__all__ = ('project_wheel_metadata',)
|