108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
import requests
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import json
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class Book:
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def __init__(self, isbn):
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if isbn is None:
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return None
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try:
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isbn = str(isbn).replace("-", "")
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int(isbn)
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except ValueError: # this can be ISBN-10
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pass
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# raise ValueError("ISBN must be an int")
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self.isbn = isbn
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self.title = None
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self.publisher = None
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self.publish_date = None
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self.author = None
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self.category = None
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self.count = -1
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def _openlibrary_load(self, _):
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r = requests.get(f"https://openlibrary.org/api/books?bibkeys=ISBN:{self.isbn}&jscmd=details&format=json")
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if r.status_code != 200:
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raise requests.RequestException(f"Got an error on the request. Status code: {r.status_code}")
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data = json.loads(r.content)
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if f"ISBN:{self.isbn}" not in data:
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raise KeyError("Not found in OpenLibrary")
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isbn_data = data[f"ISBN:{self.isbn}"]
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self.title = isbn_data["details"]["title"]
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if "publishers" in isbn_data["details"] and len(isbn_data["details"]["publishers"]) > 0:
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self.publisher = isbn_data["details"]["publishers"][0]
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if "authors" in isbn_data["details"] and len(isbn_data["details"]["authors"]) > 0:
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self.author = isbn_data["details"]["authors"][0]["name"]
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if "publish_date" in isbn_data["details"]:
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self.publish_date = isbn_data["details"]["publish_date"]
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def _google_books_load(self, config):
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if config["GOOGLE_BOOKS_KEY"] is None:
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key_param = ""
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else:
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key_param = f"&key={config['GOOGLE_BOOKS_KEY']}"
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r = requests.get(f"https://www.googleapis.com/books/v1/volumes?q=isbn:{self.isbn}{key_param}")
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if r.status_code != 200:
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raise requests.RequestException(f"Got an error on the request. Status code: {r.status_code}")
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data = json.loads(r.content)
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if data["totalItems"] == 0:
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raise KeyError("Not found in Google Books")
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item = data["items"][0]
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self.title = item["volumeInfo"]["title"]
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if "publisher" in item["volumeInfo"]:
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self.publisher = item["volumeInfo"]["publisher"]
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if "publishedDate" in item["volumeInfo"]:
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self.publish_date = item["volumeInfo"]["publishedDate"]
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if "authors" in item["volumeInfo"]:
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self.author = item["volumeInfo"]["authors"][0]
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def _manual_load(self, title, publisher=None, publish_date=None, author=None, count=-1, category=None):
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self.title = title
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self.publisher = publisher
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self.publish_date = publish_date
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self.author = author
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self.count = count
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self.category = category
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def load(self, config, loader="openlibrary"):
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if loader == "openlibrary":
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return self._openlibrary_load(config)
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elif loader == "google_books":
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return self._google_books_load(config)
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else:
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raise ValueError("Invalid loader")
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def __repr__(self):
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if self.title is None:
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return f"<Book: ISBN:{self.isbn}>"
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return f"<Book: {self.title}>"
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def to_json(self):
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return {
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"isbn": self.isbn,
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"title": self.title,
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"publisher": self.publisher,
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"publish_date": self.publish_date,
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"author": self.author,
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"category": self.category,
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"count": self.count,
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} |