Mercurial > repos > shellac > sam_consensus_v3
annotate 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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1 """Metadata generation logic for source distributions. |
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2 """ |
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3 |
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4 import os |
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5 |
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6 from pip._internal.utils.subprocess import runner_with_spinner_message |
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7 from pip._internal.utils.temp_dir import TempDirectory |
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8 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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9 |
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10 if MYPY_CHECK_RUNNING: |
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11 from pip._vendor.pep517.wrappers import Pep517HookCaller |
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12 |
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13 from pip._internal.build_env import BuildEnvironment |
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14 |
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15 |
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16 def generate_metadata(build_env, backend): |
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17 # type: (BuildEnvironment, Pep517HookCaller) -> str |
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18 """Generate metadata using mechanisms described in PEP 517. |
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19 |
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20 Returns the generated metadata directory. |
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21 """ |
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22 metadata_tmpdir = TempDirectory( |
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23 kind="modern-metadata", globally_managed=True |
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24 ) |
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25 |
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26 metadata_dir = metadata_tmpdir.path |
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27 |
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28 with build_env: |
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29 # Note that Pep517HookCaller implements a fallback for |
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30 # prepare_metadata_for_build_wheel, so we don't have to |
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31 # consider the possibility that this hook doesn't exist. |
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32 runner = runner_with_spinner_message("Preparing wheel metadata") |
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33 with backend.subprocess_runner(runner): |
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34 distinfo_dir = backend.prepare_metadata_for_build_wheel( |
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35 metadata_dir |
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36 ) |
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37 |
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38 return os.path.join(metadata_dir, distinfo_dir) |