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swh/vault/cookers/revision_flat.py
| # Copyright (C) 2016-2017 The Software Heritage developers | # Copyright (C) 2016-2019 The Software Heritage developers | ||||
| # See the AUTHORS file at the top-level directory of this distribution | # See the AUTHORS file at the top-level directory of this distribution | ||||
| # License: GNU General Public License version 3, or any later version | # License: GNU General Public License version 3, or any later version | ||||
| # See top-level LICENSE file for more information | # See top-level LICENSE file for more information | ||||
| import tarfile | import tarfile | ||||
| import tempfile | import tempfile | ||||
| from pathlib import Path | from pathlib import Path | ||||
| from swh.model import hashutil | from swh.model import hashutil | ||||
| from swh.vault.cookers.base import BaseVaultCooker | from swh.vault.cookers.base import BaseVaultCooker | ||||
| from swh.vault.cookers.utils import revision_log | |||||
| from swh.vault.to_disk import DirectoryBuilder | from swh.vault.to_disk import DirectoryBuilder | ||||
| class RevisionFlatCooker(BaseVaultCooker): | class RevisionFlatCooker(BaseVaultCooker): | ||||
| """Cooker to create a revision_flat bundle """ | """Cooker to create a revision_flat bundle """ | ||||
| CACHE_TYPE_KEY = 'revision_flat' | CACHE_TYPE_KEY = 'revision_flat' | ||||
| def check_exists(self): | def check_exists(self): | ||||
| return not list(self.storage.revision_missing([self.obj_id])) | return not list(self.storage.revision_missing([self.obj_id])) | ||||
| def prepare_bundle(self): | def prepare_bundle(self): | ||||
| with tempfile.TemporaryDirectory(prefix='tmp-vault-revision-') as td: | with tempfile.TemporaryDirectory(prefix='tmp-vault-revision-') as td: | ||||
| root = Path(td) | root = Path(td) | ||||
| for revision in self.storage.revision_log([self.obj_id]): | for revision in revision_log(self.storage, self.obj_id): | ||||
| revdir = root / hashutil.hash_to_hex(revision['id']) | revdir = root / hashutil.hash_to_hex(revision['id']) | ||||
| revdir.mkdir() | revdir.mkdir() | ||||
| directory_builder = DirectoryBuilder( | directory_builder = DirectoryBuilder( | ||||
| self.storage, str(revdir).encode(), revision['directory']) | self.storage, str(revdir).encode(), revision['directory']) | ||||
| directory_builder.build() | directory_builder.build() | ||||
| with tarfile.open(fileobj=self.fileobj, mode='w:gz') as tar: | with tarfile.open(fileobj=self.fileobj, mode='w:gz') as tar: | ||||
| tar.add(td, arcname=hashutil.hash_to_hex(self.obj_id)) | tar.add(td, arcname=hashutil.hash_to_hex(self.obj_id)) | ||||