directory.py
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directory.py
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	# Copyright (C) 2016 The Software Heritage developers
	# See the AUTHORS file at the top-level directory of this distribution
	# License: GNU General Public License version 3, or any later version
	# See top-level LICENSE file for more information

	import tarfile
	import tempfile

	from swh.model import hashutil
	from swh.vault.cookers.base import BaseVaultCooker
	from swh.vault.to_disk import DirectoryBuilder


	class DirectoryCooker(BaseVaultCooker):
	"""Cooker to create a directory bundle """

	CACHE_TYPE_KEY = "directory"

	def check_exists(self):
	return not list(self.storage.directory_missing([self.obj_id]))

	def prepare_bundle(self):
	with tempfile.TemporaryDirectory(prefix="tmp-vault-directory-") as td:
	directory_builder = DirectoryBuilder(self.storage, td.encode(), self.obj_id)
	directory_builder.build()
	with tarfile.open(fileobj=self.fileobj, mode="w:gz") as tar:
	tar.add(td, arcname=hashutil.hash_to_hex(self.obj_id))