ok
Direktori : /opt/alt/python27/lib/python2.7/site-packages/pip/_internal/operations/build/ |
Current File : //opt/alt/python27/lib/python2.7/site-packages/pip/_internal/operations/build/metadata.py |
"""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._internal.build_env import BuildEnvironment from pip._vendor.pep517.wrappers import Pep517HookCaller 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)