diff --git a/swh/indexer/storage/__init__.py b/swh/indexer/storage/__init__.py index 6bd21cc..a3d59e8 100644 --- a/swh/indexer/storage/__init__.py +++ b/swh/indexer/storage/__init__.py @@ -1,686 +1,686 @@ # Copyright (C) 2015-2018 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 json import psycopg2 from collections import defaultdict from swh.core.api import remote_api_endpoint from swh.storage.common import db_transaction_generator, db_transaction from swh.storage.exc import StorageDBError from .db import Db from . import converters INDEXER_CFG_KEY = 'indexer_storage' def get_indexer_storage(cls, args): """Get an indexer storage object of class `storage_class` with arguments `storage_args`. Args: cls (str): storage's class, either 'local' or 'remote' args (dict): dictionary of arguments passed to the storage class constructor Returns: an instance of swh.indexer's storage (either local or remote) Raises: ValueError if passed an unknown storage class. """ if cls == 'remote': from .api.client import RemoteStorage as IndexerStorage elif cls == 'local': from . import IndexerStorage else: raise ValueError('Unknown indexer storage class `%s`' % cls) return IndexerStorage(**args) class IndexerStorage: """SWH Indexer Storage """ def __init__(self, db, min_pool_conns=1, max_pool_conns=10): """ Args: db_conn: either a libpq connection string, or a psycopg2 connection """ try: if isinstance(db, psycopg2.extensions.connection): self._pool = None self._db = Db(db) else: self._pool = psycopg2.pool.ThreadedConnectionPool( min_pool_conns, max_pool_conns, db ) self._db = None except psycopg2.OperationalError as e: raise StorageDBError(e) def get_db(self): if self._db: return self._db return Db.from_pool(self._pool) @remote_api_endpoint('check_config') def check_config(self, *, check_write): """Check that the storage is configured and ready to go.""" # Check permissions on one of the tables with self.get_db().transaction() as cur: if check_write: check = 'INSERT' else: check = 'SELECT' cur.execute( "select has_table_privilege(current_user, 'content_mimetype', %s)", # noqa (check,) ) return cur.fetchone()[0] return True @remote_api_endpoint('content_mimetype/missing') @db_transaction_generator() def content_mimetype_missing(self, mimetypes, db=None, cur=None): """Generate mimetypes missing from storage. Args: mimetypes (iterable): iterable of dict with keys: - **id** (bytes): sha1 identifier - **indexer_configuration_id** (int): tool used to compute the results Yields: tuple (id, indexer_configuration_id): missing id """ for obj in db.content_mimetype_missing_from_list(mimetypes, cur): yield obj[0] def _content_get_range(self, content_type, start, end, indexer_configuration_id, limit=1000, db=None, cur=None): """Retrieve ids of type content_type within range [start, end] bound by limit. Args: **content_type** (str): content's type (mimetype, language, etc...) **start** (bytes): Starting identifier range (expected smaller than end) **end** (bytes): Ending identifier range (expected larger than start) **indexer_configuration_id** (int): The tool used to index data **limit** (int): Limit result (default to 1000) Raises: ValueError for; - limit to None - wrong content_type provided Returns: a dict with keys: - **ids** [bytes]: iterable of content ids within the range. - **next** (Optional[bytes]): The next range of sha1 starts at this sha1 if any """ if limit is None: raise ValueError('Development error: limit should not be None') if content_type not in db.content_types: err = 'Development error: Wrong type. Should be one of [%s]' % ( - ','.join(db.content_tables)) + ','.join(db.content_types)) raise ValueError(err) ids = [] next_id = None for counter, obj in enumerate(db.content_get_range( content_type, start, end, indexer_configuration_id, limit=limit+1, cur=cur)): _id = obj[0] if counter >= limit: next_id = _id break ids.append(_id) return { 'ids': ids, 'next': next_id } @remote_api_endpoint('content_mimetype/range') @db_transaction() def content_mimetype_get_range(self, start, end, indexer_configuration_id, limit=1000, db=None, cur=None): """Retrieve mimetypes within range [start, end] bound by limit. Args: **start** (bytes): Starting identifier range (expected smaller than end) **end** (bytes): Ending identifier range (expected larger than start) **indexer_configuration_id** (int): The tool used to index data **limit** (int): Limit result (default to 1000) Raises: ValueError for limit to None Returns: a dict with keys: - **ids** [bytes]: iterable of content ids within the range. - **next** (Optional[bytes]): The next range of sha1 starts at this sha1 if any """ return self._content_get_range('mimetype', start, end, indexer_configuration_id, limit=limit, db=db, cur=cur) @remote_api_endpoint('content_mimetype/add') @db_transaction() def content_mimetype_add(self, mimetypes, conflict_update=False, db=None, cur=None): """Add mimetypes not present in storage. Args: mimetypes (iterable): dictionaries with keys: - **id** (bytes): sha1 identifier - **mimetype** (bytes): raw content's mimetype - **encoding** (bytes): raw content's encoding - **indexer_configuration_id** (int): tool's id used to compute the results - **conflict_update** (bool): Flag to determine if we want to overwrite (``True``) or skip duplicates (``False``, the default) """ db.mktemp_content_mimetype(cur) db.copy_to(mimetypes, 'tmp_content_mimetype', ['id', 'mimetype', 'encoding', 'indexer_configuration_id'], cur) db.content_mimetype_add_from_temp(conflict_update, cur) @remote_api_endpoint('content_mimetype') @db_transaction_generator() def content_mimetype_get(self, ids, db=None, cur=None): """Retrieve full content mimetype per ids. Args: ids (iterable): sha1 identifier Yields: mimetypes (iterable): dictionaries with keys: - **id** (bytes): sha1 identifier - **mimetype** (bytes): raw content's mimetype - **encoding** (bytes): raw content's encoding - **tool** (dict): Tool used to compute the language """ for c in db.content_mimetype_get_from_list(ids, cur): yield converters.db_to_mimetype( dict(zip(db.content_mimetype_cols, c))) @remote_api_endpoint('content_language/missing') @db_transaction_generator() def content_language_missing(self, languages, db=None, cur=None): """List languages missing from storage. Args: languages (iterable): dictionaries with keys: - **id** (bytes): sha1 identifier - **indexer_configuration_id** (int): tool used to compute the results Yields: an iterable of missing id for the tuple (id, indexer_configuration_id) """ for obj in db.content_language_missing_from_list(languages, cur): yield obj[0] @remote_api_endpoint('content_language') @db_transaction_generator() def content_language_get(self, ids, db=None, cur=None): """Retrieve full content language per ids. Args: ids (iterable): sha1 identifier Yields: languages (iterable): dictionaries with keys: - **id** (bytes): sha1 identifier - **lang** (bytes): raw content's language - **tool** (dict): Tool used to compute the language """ for c in db.content_language_get_from_list(ids, cur): yield converters.db_to_language( dict(zip(db.content_language_cols, c))) @remote_api_endpoint('content_language/add') @db_transaction() def content_language_add(self, languages, conflict_update=False, db=None, cur=None): """Add languages not present in storage. Args: languages (iterable): dictionaries with keys: - **id** (bytes): sha1 - **lang** (bytes): language detected conflict_update (bool): Flag to determine if we want to overwrite (true) or skip duplicates (false, the default) """ db.mktemp_content_language(cur) # empty language is mapped to 'unknown' db.copy_to( ({ 'id': l['id'], 'lang': 'unknown' if not l['lang'] else l['lang'], 'indexer_configuration_id': l['indexer_configuration_id'], } for l in languages), 'tmp_content_language', ['id', 'lang', 'indexer_configuration_id'], cur) db.content_language_add_from_temp(conflict_update, cur) @remote_api_endpoint('content/ctags/missing') @db_transaction_generator() def content_ctags_missing(self, ctags, db=None, cur=None): """List ctags missing from storage. Args: ctags (iterable): dicts with keys: - **id** (bytes): sha1 identifier - **indexer_configuration_id** (int): tool used to compute the results Yields: an iterable of missing id for the tuple (id, indexer_configuration_id) """ for obj in db.content_ctags_missing_from_list(ctags, cur): yield obj[0] @remote_api_endpoint('content/ctags') @db_transaction_generator() def content_ctags_get(self, ids, db=None, cur=None): """Retrieve ctags per id. Args: ids (iterable): sha1 checksums Yields: Dictionaries with keys: - **id** (bytes): content's identifier - **name** (str): symbol's name - **kind** (str): symbol's kind - **language** (str): language for that content - **tool** (dict): tool used to compute the ctags' info """ for c in db.content_ctags_get_from_list(ids, cur): yield converters.db_to_ctags(dict(zip(db.content_ctags_cols, c))) @remote_api_endpoint('content/ctags/add') @db_transaction() def content_ctags_add(self, ctags, conflict_update=False, db=None, cur=None): """Add ctags not present in storage Args: ctags (iterable): dictionaries with keys: - **id** (bytes): sha1 - **ctags** ([list): List of dictionary with keys: name, kind, line, language """ def _convert_ctags(__ctags): """Convert ctags dict to list of ctags. """ for ctags in __ctags: yield from converters.ctags_to_db(ctags) db.mktemp_content_ctags(cur) db.copy_to(list(_convert_ctags(ctags)), tblname='tmp_content_ctags', columns=['id', 'name', 'kind', 'line', 'lang', 'indexer_configuration_id'], cur=cur) db.content_ctags_add_from_temp(conflict_update, cur) @remote_api_endpoint('content/ctags/search') @db_transaction_generator() def content_ctags_search(self, expression, limit=10, last_sha1=None, db=None, cur=None): """Search through content's raw ctags symbols. Args: expression (str): Expression to search for limit (int): Number of rows to return (default to 10). last_sha1 (str): Offset from which retrieving data (default to ''). Yields: rows of ctags including id, name, lang, kind, line, etc... """ for obj in db.content_ctags_search(expression, last_sha1, limit, cur=cur): yield converters.db_to_ctags(dict(zip(db.content_ctags_cols, obj))) @remote_api_endpoint('content/fossology_license') @db_transaction_generator() def content_fossology_license_get(self, ids, db=None, cur=None): """Retrieve licenses per id. Args: ids (iterable): sha1 checksums Yields: list: dictionaries with the following keys: - **id** (bytes) - **licenses** ([str]): associated licenses for that content - **tool** (dict): Tool used to compute the license """ d = defaultdict(list) for c in db.content_fossology_license_get_from_list(ids, cur): license = dict(zip(db.content_fossology_license_cols, c)) id_ = license['id'] d[id_].append(converters.db_to_fossology_license(license)) for id_, facts in d.items(): yield {id_: facts} @remote_api_endpoint('content/fossology_license/add') @db_transaction() def content_fossology_license_add(self, licenses, conflict_update=False, db=None, cur=None): """Add licenses not present in storage. Args: licenses (iterable): dictionaries with keys: - **id**: sha1 - **license** ([bytes]): List of licenses associated to sha1 - **tool** (str): nomossa conflict_update: Flag to determine if we want to overwrite (true) or skip duplicates (false, the default) Returns: list: content_license entries which failed due to unknown licenses """ # Then, we add the correct ones db.mktemp_content_fossology_license(cur) db.copy_to( ({ 'id': sha1['id'], 'indexer_configuration_id': sha1['indexer_configuration_id'], 'license': license, } for sha1 in licenses for license in sha1['licenses']), tblname='tmp_content_fossology_license', columns=['id', 'license', 'indexer_configuration_id'], cur=cur) db.content_fossology_license_add_from_temp(conflict_update, cur) @remote_api_endpoint('content_metadata/missing') @db_transaction_generator() def content_metadata_missing(self, metadata, db=None, cur=None): """List metadata missing from storage. Args: metadata (iterable): dictionaries with keys: - **id** (bytes): sha1 identifier - **indexer_configuration_id** (int): tool used to compute the results Yields: an iterable of missing id for the tuple (id, indexer_configuration_id) """ for obj in db.content_metadata_missing_from_list(metadata, cur): yield obj[0] @remote_api_endpoint('content_metadata') @db_transaction_generator() def content_metadata_get(self, ids, db=None, cur=None): """Retrieve metadata per id. Args: ids (iterable): sha1 checksums Yields: list: dictionaries with the following keys: id (bytes) translated_metadata (str): associated metadata tool (dict): tool used to compute metadata """ for c in db.content_metadata_get_from_list(ids, cur): yield converters.db_to_metadata( dict(zip(db.content_metadata_cols, c))) @remote_api_endpoint('content_metadata/add') @db_transaction() def content_metadata_add(self, metadata, conflict_update=False, db=None, cur=None): """Add metadata not present in storage. Args: metadata (iterable): dictionaries with keys: - **id**: sha1 - **translated_metadata**: arbitrary dict conflict_update: Flag to determine if we want to overwrite (true) or skip duplicates (false, the default) """ db.mktemp_content_metadata(cur) db.copy_to(metadata, 'tmp_content_metadata', ['id', 'translated_metadata', 'indexer_configuration_id'], cur) db.content_metadata_add_from_temp(conflict_update, cur) @remote_api_endpoint('revision_metadata/missing') @db_transaction_generator() def revision_metadata_missing(self, metadata, db=None, cur=None): """List metadata missing from storage. Args: metadata (iterable): dictionaries with keys: - **id** (bytes): sha1_git revision identifier - **indexer_configuration_id** (int): tool used to compute the results Returns: iterable: missing ids """ for obj in db.revision_metadata_missing_from_list(metadata, cur): yield obj[0] @remote_api_endpoint('revision_metadata') @db_transaction_generator() def revision_metadata_get(self, ids, db=None, cur=None): """Retrieve revision metadata per id. Args: ids (iterable): sha1 checksums Yields: list: dictionaries with the following keys: - **id** (bytes) - **translated_metadata** (str): associated metadata - **tool** (dict): tool used to compute metadata """ for c in db.revision_metadata_get_from_list(ids, cur): yield converters.db_to_metadata( dict(zip(db.revision_metadata_cols, c))) @remote_api_endpoint('revision_metadata/add') @db_transaction() def revision_metadata_add(self, metadata, conflict_update=False, db=None, cur=None): """Add metadata not present in storage. Args: metadata (iterable): dictionaries with keys: - **id**: sha1_git of revision - **translated_metadata**: arbitrary dict conflict_update: Flag to determine if we want to overwrite (true) or skip duplicates (false, the default) """ db.mktemp_revision_metadata(cur) db.copy_to(metadata, 'tmp_revision_metadata', ['id', 'translated_metadata', 'indexer_configuration_id'], cur) db.revision_metadata_add_from_temp(conflict_update, cur) @remote_api_endpoint('origin_intrinsic_metadata') @db_transaction_generator() def origin_intrinsic_metadata_get(self, ids, db=None, cur=None): """Retrieve origin metadata per id. Args: ids (iterable): origin identifiers Yields: list: dictionaries with the following keys: - **id** (int) - **translated_metadata** (str): associated metadata - **tool** (dict): tool used to compute metadata """ for c in db.origin_intrinsic_metadata_get_from_list(ids, cur): yield converters.db_to_metadata( dict(zip(db.origin_intrinsic_metadata_cols, c))) @remote_api_endpoint('origin_intrinsic_metadata/add') @db_transaction() def origin_intrinsic_metadata_add(self, metadata, conflict_update=False, db=None, cur=None): """Add origin metadata not present in storage. Args: metadata (iterable): dictionaries with keys: - **origin_id**: origin identifier - **from_revision**: sha1 id of the revision used to generate these metadata. - **metadata**: arbitrary dict conflict_update: Flag to determine if we want to overwrite (true) or skip duplicates (false, the default) """ db.mktemp_origin_intrinsic_metadata(cur) db.copy_to(metadata, 'tmp_origin_intrinsic_metadata', ['origin_id', 'metadata', 'indexer_configuration_id', 'from_revision'], cur) db.origin_intrinsic_metadata_add_from_temp(conflict_update, cur) @remote_api_endpoint('indexer_configuration/add') @db_transaction_generator() def indexer_configuration_add(self, tools, db=None, cur=None): """Add new tools to the storage. Args: tools ([dict]): List of dictionary representing tool to insert in the db. Dictionary with the following keys: - **tool_name** (str): tool's name - **tool_version** (str): tool's version - **tool_configuration** (dict): tool's configuration (free form dict) Returns: List of dict inserted in the db (holding the id key as well). The order of the list is not guaranteed to match the order of the initial list. """ db.mktemp_indexer_configuration(cur) db.copy_to(tools, 'tmp_indexer_configuration', ['tool_name', 'tool_version', 'tool_configuration'], cur) tools = db.indexer_configuration_add_from_temp(cur) for line in tools: yield dict(zip(db.indexer_configuration_cols, line)) @remote_api_endpoint('indexer_configuration/data') @db_transaction() def indexer_configuration_get(self, tool, db=None, cur=None): """Retrieve tool information. Args: tool (dict): Dictionary representing a tool with the following keys: - **tool_name** (str): tool's name - **tool_version** (str): tool's version - **tool_configuration** (dict): tool's configuration (free form dict) Returns: The identifier of the tool if it exists, None otherwise. """ tool_conf = tool['tool_configuration'] if isinstance(tool_conf, dict): tool_conf = json.dumps(tool_conf) idx = db.indexer_configuration_get(tool['tool_name'], tool['tool_version'], tool_conf) if not idx: return None return dict(zip(db.indexer_configuration_cols, idx))