def generate_metadata(build_env: BuildEnvironment, backend: Pep517HookCaller,
details: str) -> str:
"""Generate metadata using mechanisms described in PEP 517.
Returns the generated metadata directory.
"""
metadata_tmpdir = TempDirectory(kind="modern-metadata",
globally_managed=True)
metadata_dir = metadata_tmpdir.path
with build_env:
# Note that Pep517HookCaller implements a fallback for
# prepare_metadata_for_build_wheel, so we don't have to
# consider the possibility that this hook doesn't exist.
runner = runner_with_spinner_message(
"Preparing metadata (pyproject.toml)")
with backend.subprocess_runner(runner):
try:
distinfo_dir = backend.prepare_metadata_for_build_wheel(
metadata_dir)
except InstallationSubprocessError as error:
raise MetadataGenerationFailed(
package_details=details) from error
return os.path.join(metadata_dir, distinfo_dir)
def generate_metadata(build_env: BuildEnvironment,
backend: Pep517HookCaller) -> str:
"""Generate metadata using mechanisms described in PEP 517.
Returns the generated metadata directory.
"""
metadata_tmpdir = TempDirectory(kind="modern-metadata",
globally_managed=True)
metadata_dir = metadata_tmpdir.path
with build_env:
# Note that Pep517HookCaller implements a fallback for
# prepare_metadata_for_build_wheel, so we don't have to
# consider the possibility that this hook doesn't exist.
runner = runner_with_spinner_message("Preparing wheel metadata")
with backend.subprocess_runner(runner):
distinfo_dir = backend.prepare_metadata_for_build_wheel(
metadata_dir)
return os.path.join(metadata_dir, distinfo_dir)