Mercurial > repos > guerler > hhblits
comparison lib/python3.8/site-packages/pip/_internal/operations/build/metadata.py @ 0:9e54283cc701 draft
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
| author | guerler |
|---|---|
| date | Mon, 27 Jul 2020 03:47:31 -0400 |
| parents | |
| children |
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| -1:000000000000 | 0:9e54283cc701 |
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| 1 """Metadata generation logic for source distributions. | |
| 2 """ | |
| 3 | |
| 4 import logging | |
| 5 import os | |
| 6 | |
| 7 from pip._internal.utils.subprocess import runner_with_spinner_message | |
| 8 from pip._internal.utils.temp_dir import TempDirectory | |
| 9 from pip._internal.utils.typing import MYPY_CHECK_RUNNING | |
| 10 | |
| 11 if MYPY_CHECK_RUNNING: | |
| 12 from pip._internal.build_env import BuildEnvironment | |
| 13 from pip._vendor.pep517.wrappers import Pep517HookCaller | |
| 14 | |
| 15 logger = logging.getLogger(__name__) | |
| 16 | |
| 17 | |
| 18 def generate_metadata(build_env, backend): | |
| 19 # type: (BuildEnvironment, Pep517HookCaller) -> str | |
| 20 """Generate metadata using mechanisms described in PEP 517. | |
| 21 | |
| 22 Returns the generated metadata directory. | |
| 23 """ | |
| 24 metadata_tmpdir = TempDirectory( | |
| 25 kind="modern-metadata", globally_managed=True | |
| 26 ) | |
| 27 | |
| 28 metadata_dir = metadata_tmpdir.path | |
| 29 | |
| 30 with build_env: | |
| 31 # Note that Pep517HookCaller implements a fallback for | |
| 32 # prepare_metadata_for_build_wheel, so we don't have to | |
| 33 # consider the possibility that this hook doesn't exist. | |
| 34 runner = runner_with_spinner_message("Preparing wheel metadata") | |
| 35 with backend.subprocess_runner(runner): | |
| 36 distinfo_dir = backend.prepare_metadata_for_build_wheel( | |
| 37 metadata_dir | |
| 38 ) | |
| 39 | |
| 40 return os.path.join(metadata_dir, distinfo_dir) |