mirror of
https://github.com/bookwyrm-social/bookwyrm.git
synced 2024-05-19 08:48:19 +00:00
221 lines
7.9 KiB
Python
221 lines
7.9 KiB
Python
""" openlibrary data connector """
|
|
import re
|
|
|
|
from bookwyrm import models
|
|
from .abstract_connector import AbstractConnector, SearchResult, Mapping
|
|
from .abstract_connector import get_data
|
|
from .connector_manager import ConnectorException
|
|
from .openlibrary_languages import languages
|
|
|
|
|
|
class Connector(AbstractConnector):
|
|
""" instantiate a connector for OL """
|
|
|
|
def __init__(self, identifier):
|
|
super().__init__(identifier)
|
|
|
|
get_first = lambda a: a[0]
|
|
get_remote_id = lambda a: self.base_url + a
|
|
self.book_mappings = [
|
|
Mapping("title"),
|
|
Mapping("id", remote_field="key", formatter=get_remote_id),
|
|
Mapping("cover", remote_field="covers", formatter=self.get_cover_url),
|
|
Mapping("sortTitle", remote_field="sort_title"),
|
|
Mapping("subtitle"),
|
|
Mapping("description", formatter=get_description),
|
|
Mapping("languages", formatter=get_languages),
|
|
Mapping("series", formatter=get_first),
|
|
Mapping("seriesNumber", remote_field="series_number"),
|
|
Mapping("subjects"),
|
|
Mapping("subjectPlaces", remote_field="subject_places"),
|
|
Mapping("isbn13", remote_field="isbn_13", formatter=get_first),
|
|
Mapping("isbn10", remote_field="isbn_10", formatter=get_first),
|
|
Mapping("lccn", formatter=get_first),
|
|
Mapping("oclcNumber", remote_field="oclc_numbers", formatter=get_first),
|
|
Mapping(
|
|
"openlibraryKey", remote_field="key", formatter=get_openlibrary_key
|
|
),
|
|
Mapping("goodreadsKey", remote_field="goodreads_key"),
|
|
Mapping("asin"),
|
|
Mapping(
|
|
"firstPublishedDate",
|
|
remote_field="first_publish_date",
|
|
),
|
|
Mapping("publishedDate", remote_field="publish_date"),
|
|
Mapping("pages", remote_field="number_of_pages"),
|
|
Mapping("physicalFormat", remote_field="physical_format"),
|
|
Mapping("publishers"),
|
|
]
|
|
|
|
self.author_mappings = [
|
|
Mapping("id", remote_field="key", formatter=get_remote_id),
|
|
Mapping("name"),
|
|
Mapping(
|
|
"openlibraryKey", remote_field="key", formatter=get_openlibrary_key
|
|
),
|
|
Mapping("born", remote_field="birth_date"),
|
|
Mapping("died", remote_field="death_date"),
|
|
Mapping("bio", formatter=get_description),
|
|
]
|
|
|
|
def get_remote_id_from_data(self, data):
|
|
""" format a url from an openlibrary id field """
|
|
try:
|
|
key = data["key"]
|
|
except KeyError:
|
|
raise ConnectorException("Invalid book data")
|
|
return "%s%s" % (self.books_url, key)
|
|
|
|
def is_work_data(self, data):
|
|
return bool(re.match(r"^[\/\w]+OL\d+W$", data["key"]))
|
|
|
|
def get_edition_from_work_data(self, data):
|
|
try:
|
|
key = data["key"]
|
|
except KeyError:
|
|
raise ConnectorException("Invalid book data")
|
|
url = "%s%s/editions" % (self.books_url, key)
|
|
data = get_data(url)
|
|
return pick_default_edition(data["entries"])
|
|
|
|
def get_work_from_edition_data(self, data):
|
|
try:
|
|
key = data["works"][0]["key"]
|
|
except (IndexError, KeyError):
|
|
raise ConnectorException("No work found for edition")
|
|
url = "%s%s" % (self.books_url, key)
|
|
return get_data(url)
|
|
|
|
def get_authors_from_data(self, data):
|
|
""" parse author json and load or create authors """
|
|
for author_blob in data.get("authors", []):
|
|
author_blob = author_blob.get("author", author_blob)
|
|
# this id is "/authors/OL1234567A"
|
|
author_id = author_blob["key"]
|
|
url = "%s%s" % (self.base_url, author_id)
|
|
yield self.get_or_create_author(url)
|
|
|
|
def get_cover_url(self, cover_blob):
|
|
""" ask openlibrary for the cover """
|
|
cover_id = cover_blob[0]
|
|
image_name = "%s-L.jpg" % cover_id
|
|
return "%s/b/id/%s" % (self.covers_url, image_name)
|
|
|
|
def parse_search_data(self, data):
|
|
return data.get("docs")
|
|
|
|
def format_search_result(self, search_result):
|
|
# build the remote id from the openlibrary key
|
|
key = self.books_url + search_result["key"]
|
|
author = search_result.get("author_name") or ["Unknown"]
|
|
return SearchResult(
|
|
title=search_result.get("title"),
|
|
key=key,
|
|
author=", ".join(author),
|
|
connector=self,
|
|
year=search_result.get("first_publish_year"),
|
|
)
|
|
|
|
def parse_isbn_search_data(self, data):
|
|
return list(data.values())
|
|
|
|
def format_isbn_search_result(self, search_result):
|
|
# build the remote id from the openlibrary key
|
|
key = self.books_url + search_result["key"]
|
|
authors = search_result.get("authors") or [{"name": "Unknown"}]
|
|
author_names = [author.get("name") for author in authors]
|
|
return SearchResult(
|
|
title=search_result.get("title"),
|
|
key=key,
|
|
author=", ".join(author_names),
|
|
connector=self,
|
|
year=search_result.get("publish_date"),
|
|
)
|
|
|
|
def load_edition_data(self, olkey):
|
|
""" query openlibrary for editions of a work """
|
|
url = "%s/works/%s/editions" % (self.books_url, olkey)
|
|
return get_data(url)
|
|
|
|
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
|
|
|
|
# we can mass download edition data from OL to avoid repeatedly querying
|
|
try:
|
|
edition_options = self.load_edition_data(work.openlibrary_key)
|
|
except ConnectorException:
|
|
# who knows, man
|
|
return
|
|
|
|
for edition_data in edition_options.get("entries"):
|
|
# does this edition have ANY interesting data?
|
|
if ignore_edition(edition_data):
|
|
continue
|
|
self.create_edition_from_data(work, edition_data)
|
|
|
|
|
|
def ignore_edition(edition_data):
|
|
""" don't load a million editions that have no metadata """
|
|
# an isbn, we love to see it
|
|
if edition_data.get("isbn_13") or edition_data.get("isbn_10"):
|
|
print(edition_data.get("isbn_10"))
|
|
return False
|
|
# grudgingly, oclc can stay
|
|
if edition_data.get("oclc_numbers"):
|
|
print(edition_data.get("oclc_numbers"))
|
|
return False
|
|
# if it has a cover it can stay
|
|
if edition_data.get("covers"):
|
|
print(edition_data.get("covers"))
|
|
return False
|
|
# keep non-english editions
|
|
if edition_data.get("languages") and "languages/eng" not in str(
|
|
edition_data.get("languages")
|
|
):
|
|
print(edition_data.get("languages"))
|
|
return False
|
|
return True
|
|
|
|
|
|
def get_description(description_blob):
|
|
""" descriptions can be a string or a dict """
|
|
if isinstance(description_blob, dict):
|
|
return description_blob.get("value")
|
|
return description_blob
|
|
|
|
|
|
def get_openlibrary_key(key):
|
|
""" convert /books/OL27320736M into OL27320736M """
|
|
return key.split("/")[-1]
|
|
|
|
|
|
def get_languages(language_blob):
|
|
""" /language/eng -> English """
|
|
langs = []
|
|
for lang in language_blob:
|
|
langs.append(languages.get(lang.get("key", ""), None))
|
|
return langs
|
|
|
|
|
|
def pick_default_edition(options):
|
|
""" favor physical copies with covers in english """
|
|
if not options:
|
|
return None
|
|
if len(options) == 1:
|
|
return options[0]
|
|
|
|
options = [e for e in options if e.get("covers")] or options
|
|
options = [
|
|
e for e in options if "/languages/eng" in str(e.get("languages"))
|
|
] or options
|
|
formats = ["paperback", "hardcover", "mass market paperback"]
|
|
options = [
|
|
e for e in options if str(e.get("physical_format")).lower() in formats
|
|
] or options
|
|
options = [e for e in options if e.get("isbn_13")] or options
|
|
options = [e for e in options if e.get("ocaid")] or options
|
|
return options[0]
|