Merge remote-tracking branch 'amazon/master' into Develop
This commit is contained in:
Ozzie Isaacs
commit
e757be6953
122
cps/metadata_provider/amazon.py
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122
cps/metadata_provider/amazon.py
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2022 quarz12
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import concurrent.futures
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import requests
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from bs4 import BeautifulSoup as BS # requirement
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# import lxml #requirement for better speed
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try:
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import cchardet #optional for better speed
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except ImportError:
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pass
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from cps.services.Metadata import MetaRecord, MetaSourceInfo, Metadata
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#from time import time
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from operator import itemgetter
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class Amazon(Metadata):
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__name__ = "Amazon"
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__id__ = "amazon"
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headers = {'upgrade-insecure-requests': '1',
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'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36',
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'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
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'sec-gpc': '1',
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'sec-fetch-site': 'none',
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'sec-fetch-mode': 'navigate',
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'sec-fetch-user': '?1',
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'sec-fetch-dest': 'document',
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'accept-encoding': 'gzip, deflate, br',
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'accept-language': 'en-US,en;q=0.9'}
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session = requests.Session()
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session.headers=headers
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def search(
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self, query: str, generic_cover: str = "", locale: str = "en"
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):
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#timer=time()
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def inner(link,index)->[dict,int]:
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with self.session as session:
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r = session.get(f"https://www.amazon.com/{link}")
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r.raise_for_status()
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long_soup = BS(r.text, "lxml") #~4sec :/
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soup2 = long_soup.find("div", attrs={"cel_widget_id": "dpx-books-ppd_csm_instrumentation_wrapper"})
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if soup2 is None:
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return
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try:
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match = MetaRecord(
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title = "",
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authors = "",
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source=MetaSourceInfo(
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id=self.__id__,
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description="Amazon Books",
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link="https://amazon.com/"
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),
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url = f"https://www.amazon.com/{link}",
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#the more searches the slower, these are too hard to find in reasonable time or might not even exist
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publisher= "", # very unreliable
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publishedDate= "", # very unreliable
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id = None, # ?
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tags = [] # dont exist on amazon
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)
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try:
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match.description = "\n".join(
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soup2.find("div", attrs={"data-feature-name": "bookDescription"}).stripped_strings)\
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.replace("\xa0"," ")[:-9].strip().strip("\n")
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except (AttributeError, TypeError):
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return None # if there is no description it is not a book and therefore should be ignored
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try:
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match.title = soup2.find("span", attrs={"id": "productTitle"}).text
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except (AttributeError, TypeError):
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match.title = ""
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try:
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match.authors = [next(
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filter(lambda i: i != " " and i != "\n" and not i.startswith("{"),
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x.findAll(text=True))).strip()
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for x in soup2.findAll("span", attrs={"class": "author"})]
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except (AttributeError, TypeError, StopIteration):
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match.authors = ""
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try:
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match.rating = int(
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soup2.find("span", class_="a-icon-alt").text.split(" ")[0].split(".")[
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0]) # first number in string
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except (AttributeError, ValueError):
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match.rating = 0
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try:
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match.cover = soup2.find("img", attrs={"class": "a-dynamic-image frontImage"})["src"]
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except (AttributeError, TypeError):
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match.cover = ""
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return match, index
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except Exception as e:
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print(e)
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return
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val = list()
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if self.active:
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results = self.session.get(
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f"https://www.amazon.com/s?k={query.replace(' ', '+')}&i=digital-text&sprefix={query.replace(' ', '+')}"
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f"%2Cdigital-text&ref=nb_sb_noss",
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headers=self.headers)
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results.raise_for_status()
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soup = BS(results.text, 'html.parser')
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links_list = [next(filter(lambda i: "digital-text" in i["href"], x.findAll("a")))["href"] for x in
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soup.findAll("div", attrs={"data-component-type": "s-search-result"})]
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with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
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fut = {executor.submit(inner, link, index) for index, link in enumerate(links_list[:5])}
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val=list(map(lambda x : x.result() ,concurrent.futures.as_completed(fut)))
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result=list(filter(lambda x: x, val))
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return [x[0] for x in sorted(result, key=itemgetter(1))] #sort by amazons listing order for best relevance
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