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swh/storage/cassandra/storage.py
| # Copyright (C) 2019-2020 The Software Heritage developers | # Copyright (C) 2019-2020 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 base64 | |||||
| import datetime | import datetime | ||||
| import itertools | import itertools | ||||
| import json | import json | ||||
| import random | import random | ||||
| import re | import re | ||||
| from typing import Any, Dict, List, Iterable, Optional, Tuple, Union | from typing import Any, Dict, List, Iterable, Optional, Tuple, Union | ||||
| import attr | import attr | ||||
| ▲ Show 20 Lines • Show All 1,053 Lines • ▼ Show 20 Lines | |||||
| def raw_extrinsic_metadata_get( | def raw_extrinsic_metadata_get( | ||||
| self, | self, | ||||
| object_type: MetadataTargetType, | object_type: MetadataTargetType, | ||||
| id: Union[str, SWHID], | id: Union[str, SWHID], | ||||
| authority: MetadataAuthority, | authority: MetadataAuthority, | ||||
| after: Optional[datetime.datetime] = None, | after: Optional[datetime.datetime] = None, | ||||
| page_token: Optional[bytes] = None, | page_token: Optional[bytes] = None, | ||||
| limit: int = 1000, | limit: int = 1000, | ||||
| ) -> Dict[str, Union[Optional[bytes], List[RawExtrinsicMetadata]]]: | ) -> PagedResult[RawExtrinsicMetadata]: | ||||
| if object_type == MetadataTargetType.ORIGIN: | if object_type == MetadataTargetType.ORIGIN: | ||||
| if isinstance(id, SWHID): | if isinstance(id, SWHID): | ||||
| raise StorageArgumentException( | raise StorageArgumentException( | ||||
| f"raw_extrinsic_metadata_get called with object_type='origin', " | f"raw_extrinsic_metadata_get called with object_type='origin', " | ||||
| f"but provided id is an SWHID: {id!r}" | f"but provided id is an SWHID: {id!r}" | ||||
| ) | ) | ||||
| else: | else: | ||||
| if not isinstance(id, SWHID): | if not isinstance(id, SWHID): | ||||
| raise StorageArgumentException( | raise StorageArgumentException( | ||||
| f"raw_extrinsic_metadata_get called with object_type!='origin', " | f"raw_extrinsic_metadata_get called with object_type!='origin', " | ||||
| f"but provided id is not an SWHID: {id!r}" | f"but provided id is not an SWHID: {id!r}" | ||||
| ) | ) | ||||
| if page_token is not None: | if page_token is not None: | ||||
| (after_date, after_fetcher_name, after_fetcher_url) = msgpack_loads( | (after_date, after_fetcher_name, after_fetcher_url) = msgpack_loads( | ||||
| page_token | base64.b64decode(page_token) | ||||
| ) | ) | ||||
| if after and after_date < after: | if after and after_date < after: | ||||
| raise StorageArgumentException( | raise StorageArgumentException( | ||||
| "page_token is inconsistent with the value of 'after'." | "page_token is inconsistent with the value of 'after'." | ||||
| ) | ) | ||||
| entries = self._cql_runner.raw_extrinsic_metadata_get_after_date_and_fetcher( # noqa | entries = self._cql_runner.raw_extrinsic_metadata_get_after_date_and_fetcher( # noqa | ||||
| str(id), | str(id), | ||||
| authority.type.value, | authority.type.value, | ||||
| ▲ Show 20 Lines • Show All 43 Lines • ▼ Show 20 Lines | ) -> PagedResult[RawExtrinsicMetadata]: | ||||
| ) | ) | ||||
| results.append(result) | results.append(result) | ||||
| if len(results) > limit: | if len(results) > limit: | ||||
| results.pop() | results.pop() | ||||
| assert len(results) == limit | assert len(results) == limit | ||||
| last_result = results[-1] | last_result = results[-1] | ||||
| next_page_token: Optional[bytes] = msgpack_dumps( | next_page_token: Optional[str] = base64.b64encode( | ||||
| msgpack_dumps( | |||||
| ( | ( | ||||
| last_result.discovery_date, | last_result.discovery_date, | ||||
| last_result.fetcher.name, | last_result.fetcher.name, | ||||
| last_result.fetcher.version, | last_result.fetcher.version, | ||||
| ) | ) | ||||
| ) | ) | ||||
| ).decode() | |||||
| else: | else: | ||||
| next_page_token = None | next_page_token = None | ||||
| return { | return PagedResult(next_page_token=next_page_token, results=results,) | ||||
| "next_page_token": next_page_token, | |||||
| "results": results, | |||||
| } | |||||
| def metadata_fetcher_add(self, fetchers: List[MetadataFetcher]) -> None: | def metadata_fetcher_add(self, fetchers: List[MetadataFetcher]) -> None: | ||||
| self.journal_writer.metadata_fetcher_add(fetchers) | self.journal_writer.metadata_fetcher_add(fetchers) | ||||
| for fetcher in fetchers: | for fetcher in fetchers: | ||||
| self._cql_runner.metadata_fetcher_add( | self._cql_runner.metadata_fetcher_add( | ||||
| fetcher.name, | fetcher.name, | ||||
| fetcher.version, | fetcher.version, | ||||
| json.dumps(map_optional(dict, fetcher.metadata)), | json.dumps(map_optional(dict, fetcher.metadata)), | ||||
| ▲ Show 20 Lines • Show All 45 Lines • Show Last 20 Lines | |||||