Files
vrobbler/vrobbler/apps/books/openlibrary.py

150 lines
4.4 KiB
Python

import json
import logging
from typing import Optional
import urllib
import requests
from thefuzz import fuzz
logger = logging.getLogger(__name__)
ISBN_URL = "https://openlibrary.org/isbn/{isbn}.json"
SEARCH_URL = "https://openlibrary.org/search.json?q={query}&sort=editions&mode=everything"
AUTHOR_SEARCH_URL = "https://openlibrary.org/search/authors.json?q={query}"
COVER_URL = "https://covers.openlibrary.org/b/olid/{id}-L.jpg"
AUTHOR_URL = "https://openlibrary.org/authors/{id}.json"
AUTHOR_IMAGE_URL = "https://covers.openlibrary.org/a/olid/{id}-L.jpg"
def get_first(key: str, result: dict) -> str:
obj = ""
if obj_list := result.get(key):
obj = obj_list[0]
return obj
def get_author_openlibrary_id(name: str) -> str:
search_url = AUTHOR_SEARCH_URL.format(query=name)
response = requests.get(search_url)
if response.status_code != 200:
logger.warn(f"Bad response from OL: {response.status_code}")
return ""
results = json.loads(response.content)
if not results:
logger.warn(f"No author results found from search for {name}")
return ""
try:
result = results.get("docs", [])[0]
except IndexError:
result = {"key": ""}
return result.get("key")
def lookup_author_from_openlibrary(olid: str) -> dict:
author_url = AUTHOR_URL.format(id=olid)
response = requests.get(author_url)
if response.status_code != 200:
logger.warn(f"Bad response from OL: {response.status_code}")
return {}
results = json.loads(response.content)
if not results:
logger.warn(f"No author results found from OL for {olid}")
return {}
remote_ids = results.get("remote_ids", {})
bio = ""
if results.get("bio"):
try:
bio = results.get("bio").get("value")
except AttributeError:
bio = results.get("bio")
return {
"name": results.get("name"),
"openlibrary_id": olid,
"wikipedia_url": results.get("wikipedia"),
"wikidata_id": remote_ids.get("wikidata"),
"isni": remote_ids.get("isni"),
"goodreads_id": remote_ids.get("goodreads"),
"librarything_id": remote_ids.get("librarything"),
"amazon_id": remote_ids.get("amazon"),
"bio": bio,
"author_headshot_url": AUTHOR_IMAGE_URL.format(id=olid),
}
def lookup_book_from_openlibrary(
title: str, author: Optional[str] = None
) -> dict:
title_quoted = urllib.parse.quote(title)
author_quoted = ""
if author:
author_quoted = urllib.parse.quote(author)
query = f"{title_quoted} {author_quoted}"
search_url = SEARCH_URL.format(query=query)
response = requests.get(search_url)
if response.status_code != 200:
logger.warn(f"Bad response from OL: {response.status_code}")
return {}
results = json.loads(response.content)
if len(results.get("docs")) == 0:
logger.warn(f"No results found from OL for {title}")
return {}
top = None
for result in results.get("docs"):
if fuzz.ratio(title.lower(), result.get("title", "").lower()) > 90:
top = result
break
if not top:
for result in results.get("docs"):
# These Summary things suck and ruin our one-shot search
if "Summary of" in result.get("title"):
continue
if title.lower() in result.get("title", "").lower():
top = result
if not top and len(results.get("docs")) > 0:
top = results.get("docs")[0]
if not top:
logger.warn(f"No book found for query {query}")
return {}
ol_id = top.get("cover_edition_key")
ol_author_id = get_first("author_key", top)
first_sentence = ""
if top.get("first_sentence"):
try:
first_sentence = top.get("first_sentence")[0].get("value")
except AttributeError:
first_sentence = top.get("first_sentence")[0]
isbn = None
if top.get("isbn"):
isbn = top.get("isbn")[0]
return {
"title": top.get("title"),
"isbn": isbn,
"openlibrary_id": ol_id,
"goodreads_id": get_first("id_goodreads", top),
"first_publish_year": top.get("first_publish_year"),
"first_sentence": first_sentence,
"pages": top.get("number_of_pages_median", None),
"cover_url": COVER_URL.format(id=ol_id),
"ol_author_id": ol_author_id,
"subject_key_list": top.get("subject_key", []),
}