Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/pip/_internal/operations/build/metadata.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/pip/_internal/operations/build/metadata.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,38 @@ +"""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)