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