39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
"""Metadata generation logic for source distributions.
|
|
"""
|
|
|
|
import os
|
|
|
|
from pip._internal.utils.subprocess import runner_with_spinner_message
|
|
from pip._internal.utils.temp_dir import TempDirectory
|
|
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
|
|
|
|
if MYPY_CHECK_RUNNING:
|
|
from pip._vendor.pep517.wrappers import Pep517HookCaller
|
|
|
|
from pip._internal.build_env import BuildEnvironment
|
|
|
|
|
|
def generate_metadata(build_env, backend):
|
|
# type: (BuildEnvironment, 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)
|