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swh/indexer/origin_head.py
| # Copyright (C) 2018 The Software Heritage developers | # Copyright (C) 2018 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 re | import re | ||||
| import click | import click | ||||
| import logging | import logging | ||||
| from celery import chain | |||||
| from swh.indexer.indexer import OriginIndexer | from swh.indexer.indexer import OriginIndexer | ||||
| from swh.indexer.tasks import SWHOriginMetadataTask, SWHRevisionMetadataTask | |||||
| class OriginHeadIndexer(OriginIndexer): | class OriginHeadIndexer(OriginIndexer): | ||||
| """Origin-level indexer. | """Origin-level indexer. | ||||
| This indexer is in charge of looking up the revision that acts as the | This indexer is in charge of looking up the revision that acts as the | ||||
| "head" of an origin. | "head" of an origin. | ||||
| In git, this is usually the commit pointed to by the 'master' branch.""" | In git, this is usually the commit pointed to by the 'master' branch.""" | ||||
| ADDITIONAL_CONFIG = { | ADDITIONAL_CONFIG = { | ||||
| 'tools': ('dict', { | 'tools': ('dict', { | ||||
| 'name': 'origin-metadata', | 'name': 'origin-metadata', | ||||
| 'version': '0.0.1', | 'version': '0.0.1', | ||||
| 'configuration': {}, | 'configuration': {}, | ||||
| }), | }), | ||||
| } | } | ||||
| CONFIG_BASE_FILENAME = 'indexer/origin_head' | |||||
| revision_metadata_task = SWHRevisionMetadataTask() | |||||
| origin_intrinsic_metadata_task = SWHOriginMetadataTask() | |||||
| def filter(self, ids): | def filter(self, ids): | ||||
| yield from ids | yield from ids | ||||
| def persist_index_computations(self, results, policy_update): | def persist_index_computations(self, results, policy_update): | ||||
| """Do nothing. The indexer's results are not persistant, they | """Do nothing. The indexer's results are not persistant, they | ||||
| should only be piped to another indexer via the orchestrator.""" | should only be piped to another indexer via the orchestrator.""" | ||||
| pass | pass | ||||
| def next_step(self, results): | |||||
| """Once the head is found, call the RevisionMetadataIndexer | |||||
| on these revisions, then call the OriginMetadataIndexer with | |||||
| both the origin_id and the revision metadata, so it can copy the | |||||
| revision metadata to the origin's metadata. | |||||
| Args: | |||||
| results (Iterable[dict]): Iterable of return values from `index`. | |||||
| """ | |||||
| if self.revision_metadata_task is None or \ | |||||
| self.origin_intrinsic_metadata_task is None: | |||||
| return | |||||
| assert self.revision_metadata_task is not None | |||||
| assert self.origin_intrinsic_metadata_task is not None | |||||
| return chain( | |||||
| self.revision_metadata_task.s( | |||||
| ids=[res['revision_id'] for res in results], | |||||
| policy_update='update-dups'), | |||||
| self.origin_intrinsic_metadata_task.s( | |||||
| origin_head_pairs=results, | |||||
| policy_update='update-dups'), | |||||
| )() | |||||
| # Dispatch | # Dispatch | ||||
| def index(self, origin): | def index(self, origin): | ||||
| origin_id = origin['id'] | origin_id = origin['id'] | ||||
| latest_snapshot = self.storage.snapshot_get_latest(origin_id) | latest_snapshot = self.storage.snapshot_get_latest(origin_id) | ||||
| method = getattr(self, '_try_get_%s_head' % origin['type'], None) | method = getattr(self, '_try_get_%s_head' % origin['type'], None) | ||||
| if method is None: | if method is None: | ||||
| method = self._try_get_head_generic | method = self._try_get_head_generic | ||||
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