""" inventaire data connector """ import re from bookwyrm import models from bookwyrm.book_search import SearchResult from .abstract_connector import AbstractConnector, Mapping from .abstract_connector import get_data from .connector_manager import ConnectorException class Connector(AbstractConnector): """instantiate a connector for OL""" def __init__(self, identifier): super().__init__(identifier) get_first = lambda a: a[0] shared_mappings = [ Mapping("id", remote_field="uri", formatter=self.get_remote_id), Mapping("bnfId", remote_field="wdt:P268", formatter=get_first), Mapping("openlibraryKey", remote_field="wdt:P648", formatter=get_first), ] self.book_mappings = [ Mapping("title", remote_field="wdt:P1476", formatter=get_first), Mapping("title", remote_field="labels", formatter=get_language_code), Mapping("subtitle", remote_field="wdt:P1680", formatter=get_first), Mapping("inventaireId", remote_field="uri"), Mapping( "description", remote_field="sitelinks", formatter=self.get_description ), Mapping("cover", remote_field="image", formatter=self.get_cover_url), Mapping("isbn13", remote_field="wdt:P212", formatter=get_first), Mapping("isbn10", remote_field="wdt:P957", formatter=get_first), Mapping("oclcNumber", remote_field="wdt:P5331", formatter=get_first), Mapping("goodreadsKey", remote_field="wdt:P2969", formatter=get_first), Mapping("librarythingKey", remote_field="wdt:P1085", formatter=get_first), Mapping("languages", remote_field="wdt:P407", formatter=self.resolve_keys), Mapping("publishers", remote_field="wdt:P123", formatter=self.resolve_keys), Mapping("publishedDate", remote_field="wdt:P577", formatter=get_first), Mapping("pages", remote_field="wdt:P1104", formatter=get_first), Mapping( "subjectPlaces", remote_field="wdt:P840", formatter=self.resolve_keys ), Mapping("subjects", remote_field="wdt:P921", formatter=self.resolve_keys), Mapping("asin", remote_field="wdt:P5749", formatter=get_first), ] + shared_mappings # TODO: P136: genre, P674 characters, P950 bne self.author_mappings = [ Mapping("id", remote_field="uri", formatter=self.get_remote_id), Mapping("name", remote_field="labels", formatter=get_language_code), Mapping("bio", remote_field="sitelinks", formatter=self.get_description), Mapping("goodreadsKey", remote_field="wdt:P2963", formatter=get_first), Mapping("isni", remote_field="wdt:P213", formatter=get_first), Mapping("viafId", remote_field="wdt:P214", formatter=get_first), Mapping("gutenberg_id", remote_field="wdt:P1938", formatter=get_first), Mapping("born", remote_field="wdt:P569", formatter=get_first), Mapping("died", remote_field="wdt:P570", formatter=get_first), ] + shared_mappings def get_remote_id(self, value): """convert an id/uri into a url""" return "{:s}?action=by-uris&uris={:s}".format(self.books_url, value) def get_book_data(self, remote_id): data = get_data(remote_id) extracted = list(data.get("entities").values()) try: data = extracted[0] except KeyError: raise ConnectorException("Invalid book data") # flatten the data so that images, uri, and claims are on the same level return { **data.get("claims", {}), **{k: data.get(k) for k in ["uri", "image", "labels", "sitelinks", "type"]}, } def search(self, query, min_confidence=None): # pylint: disable=arguments-differ """overrides default search function with confidence ranking""" results = super().search(query) if min_confidence: # filter the search results after the fact return [r for r in results if r.confidence >= min_confidence] return results def parse_search_data(self, data): return data.get("results") def format_search_result(self, search_result): images = search_result.get("image") cover = ( "{:s}/img/entities/{:s}".format(self.covers_url, images[0]) if images else None ) # a deeply messy translation of inventaire's scores confidence = float(search_result.get("_score", 0.1)) confidence = 0.1 if confidence < 150 else 0.999 return SearchResult( title=search_result.get("label"), key=self.get_remote_id(search_result.get("uri")), author=search_result.get("description"), view_link="{:s}/entity/{:s}".format( self.base_url, search_result.get("uri") ), cover=cover, confidence=confidence, connector=self, ) def parse_isbn_search_data(self, data): """got some daaaata""" results = data.get("entities") if not results: return [] return list(results.values()) def format_isbn_search_result(self, search_result): """totally different format than a regular search result""" title = search_result.get("claims", {}).get("wdt:P1476", []) if not title: return None return SearchResult( title=title[0], key=self.get_remote_id(search_result.get("uri")), author=search_result.get("description"), view_link="{:s}/entity/{:s}".format( self.base_url, search_result.get("uri") ), cover=self.get_cover_url(search_result.get("image")), connector=self, ) def is_work_data(self, data): return data.get("type") == "work" def load_edition_data(self, work_uri): """get a list of editions for a work""" url = ( "{:s}?action=reverse-claims&property=wdt:P629&value={:s}&sort=true".format( self.books_url, work_uri ) ) return get_data(url) def get_edition_from_work_data(self, data): data = self.load_edition_data(data.get("uri")) try: uri = data.get("uris", [])[0] except IndexError: raise ConnectorException("Invalid book data") return self.get_book_data(self.get_remote_id(uri)) def get_work_from_edition_data(self, data): uri = data.get("wdt:P629", [None])[0] if not uri: raise ConnectorException("Invalid book data") return self.get_book_data(self.get_remote_id(uri)) def get_authors_from_data(self, data): authors = data.get("wdt:P50", []) for author in authors: yield self.get_or_create_author(self.get_remote_id(author)) def expand_book_data(self, book): work = book # go from the edition to the work, if necessary if isinstance(book, models.Edition): work = book.parent_work try: edition_options = self.load_edition_data(work.inventaire_id) except ConnectorException: # who knows, man return for edition_uri in edition_options.get("uris"): remote_id = self.get_remote_id(edition_uri) try: data = self.get_book_data(remote_id) except ConnectorException: # who, indeed, knows continue self.create_edition_from_data(work, data) def get_cover_url(self, cover_blob, *_): """format the relative cover url into an absolute one: {"url": "/img/entities/e794783f01b9d4f897a1ea9820b96e00d346994f"} """ # covers may or may not be a list if isinstance(cover_blob, list) and len(cover_blob) > 0: cover_blob = cover_blob[0] cover_id = cover_blob.get("url") if not cover_id: return None # cover may or may not be an absolute url already if re.match(r"^http", cover_id): return cover_id return "%s%s" % (self.covers_url, cover_id) def resolve_keys(self, keys): """cool, it's "wd:Q3156592" now what the heck does that mean""" results = [] for uri in keys: try: data = self.get_book_data(self.get_remote_id(uri)) except ConnectorException: continue results.append(get_language_code(data.get("labels"))) return results def get_description(self, links): """grab an extracted excerpt from wikipedia""" link = links.get("enwiki") if not link: return "" url = "{:s}/api/data?action=wp-extract&lang=en&title={:s}".format( self.base_url, link ) try: data = get_data(url) except ConnectorException: return "" return data.get("extract") def get_language_code(options, code="en"): """when there are a bunch of translation but we need a single field""" result = options.get(code) if result: return result values = list(options.values()) return values[0] if values else None