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directory.py
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directory.py
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# Copyright (C) 2022 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
from typing import Union
from swh.model.model import Directory
from swh.model.swhids import ObjectType
from .base_node import BaseSWHNode
from .release import BaseReleaseNode
from .revision import BaseRevisionNode
from .snapshot_branch import BaseSnapshotBranchNode
class BaseDirectoryNode(BaseSWHNode):
"""
Base resolver for all the directory nodes
"""
def _get_directory_by_id(self, directory_id):
# Return a Directory model object
# entries is initialized as empty
# Same pattern is used in snapshot
return Directory(id=directory_id, entries=())
def is_type_of(self):
return "Directory"
class DirectoryNode(BaseDirectoryNode):
"""
Node resolver for a directory requested directly with its SWHID
"""
def _get_node_data(self):
swhid = self.kwargs.get("swhid")
if (
swhid.object_type == ObjectType.DIRECTORY
and self.archive.is_object_available(swhid.object_id, swhid.object_type)
):
# _get_directory_by_id is not making any backend call
# hence the is_directory_available validation
return self._get_directory_by_id(swhid.object_id)
return None
class RevisionDirectoryNode(BaseDirectoryNode):
"""
Node resolver for a directory requested from a revision
"""
obj: BaseRevisionNode
def _get_node_data(self):
# self.obj.directory_hash is the requested directory Id
return self._get_directory_by_id(self.obj.directory_hash)
class TargetDirectoryNode(BaseDirectoryNode):
"""
Node resolver for a directory requested as a target
"""
from .directory_entry import BaseDirectoryEntryNode
obj: Union[BaseSnapshotBranchNode, BaseReleaseNode, BaseDirectoryEntryNode]
def _get_node_data(self):
return self._get_directory_by_id(self.obj.target_hash)

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