mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-18 14:10:30 +00:00
261 lines
8.8 KiB
Python
261 lines
8.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
|
|
# Copyright (C) 2022 xlivevil
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
import re
|
|
from concurrent import futures
|
|
from typing import List, Optional
|
|
|
|
import requests
|
|
from html2text import HTML2Text
|
|
from lxml import etree
|
|
|
|
from cps import logger
|
|
from cps.services.Metadata import Metadata, MetaRecord, MetaSourceInfo
|
|
|
|
log = logger.create()
|
|
|
|
|
|
def html2text(html: str) -> str:
|
|
|
|
h2t = HTML2Text()
|
|
h2t.body_width = 0
|
|
h2t.single_line_break = True
|
|
h2t.emphasis_mark = "*"
|
|
return h2t.handle(html)
|
|
|
|
|
|
class Douban(Metadata):
|
|
__name__ = "豆瓣"
|
|
__id__ = "douban"
|
|
DESCRIPTION = "豆瓣"
|
|
META_URL = "https://book.douban.com/"
|
|
SEARCH_JSON_URL = "https://www.douban.com/j/search"
|
|
SEARCH_URL = "https://www.douban.com/search"
|
|
|
|
ID_PATTERN = re.compile(r"sid: (?P<id>\d+),")
|
|
AUTHORS_PATTERN = re.compile(r"作者|译者")
|
|
PUBLISHER_PATTERN = re.compile(r"出版社")
|
|
SUBTITLE_PATTERN = re.compile(r"副标题")
|
|
PUBLISHED_DATE_PATTERN = re.compile(r"出版年")
|
|
SERIES_PATTERN = re.compile(r"丛书")
|
|
IDENTIFIERS_PATTERN = re.compile(r"ISBN|统一书号")
|
|
CRITERIA_PATTERN = re.compile("criteria = '(.+)'")
|
|
|
|
TITTLE_XPATH = "//span[@property='v:itemreviewed']"
|
|
COVER_XPATH = "//a[@class='nbg']"
|
|
INFO_XPATH = "//*[@id='info']//span[@class='pl']"
|
|
TAGS_XPATH = "//a[contains(@class, 'tag')]"
|
|
DESCRIPTION_XPATH = "//div[@id='link-report']//div[@class='intro']"
|
|
RATING_XPATH = "//div[@class='rating_self clearfix']/strong"
|
|
|
|
session = requests.Session()
|
|
session.headers = {
|
|
'user-agent':
|
|
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36 Edg/98.0.1108.56',
|
|
}
|
|
|
|
def search(self,
|
|
query: str,
|
|
generic_cover: str = "",
|
|
locale: str = "en") -> List[MetaRecord]:
|
|
val = []
|
|
if self.active:
|
|
log.debug(f"start searching {query} on douban")
|
|
if title_tokens := list(
|
|
self.get_title_tokens(query, strip_joiners=False)):
|
|
query = "+".join(title_tokens)
|
|
|
|
book_id_list = self._get_book_id_list_from_html(query)
|
|
|
|
if not book_id_list:
|
|
log.debug("No search results in Douban")
|
|
return []
|
|
|
|
with futures.ThreadPoolExecutor(
|
|
max_workers=5, thread_name_prefix='douban') as executor:
|
|
|
|
fut = [
|
|
executor.submit(self._parse_single_book, book_id,
|
|
generic_cover) for book_id in book_id_list
|
|
]
|
|
|
|
val = [
|
|
future.result() for future in futures.as_completed(fut)
|
|
if future.result()
|
|
]
|
|
|
|
return val
|
|
|
|
def _get_book_id_list_from_html(self, query: str) -> List[str]:
|
|
try:
|
|
r = self.session.get(self.SEARCH_URL,
|
|
params={
|
|
"cat": 1001,
|
|
"q": query
|
|
})
|
|
r.raise_for_status()
|
|
|
|
except Exception as e:
|
|
log.warning(e)
|
|
return []
|
|
|
|
html = etree.HTML(r.content.decode("utf8"))
|
|
result_list = html.xpath(self.COVER_XPATH)
|
|
|
|
return [
|
|
self.ID_PATTERN.search(item.get("onclick")).group("id")
|
|
for item in result_list[:10]
|
|
if self.ID_PATTERN.search(item.get("onclick"))
|
|
]
|
|
|
|
def _get_book_id_list_from_json(self, query: str) -> List[str]:
|
|
try:
|
|
r = self.session.get(self.SEARCH_JSON_URL,
|
|
params={
|
|
"cat": 1001,
|
|
"q": query
|
|
})
|
|
r.raise_for_status()
|
|
|
|
except Exception as e:
|
|
log.warning(e)
|
|
return []
|
|
|
|
results = r.json()
|
|
if results["total"] == 0:
|
|
return []
|
|
|
|
return [
|
|
self.ID_PATTERN.search(item).group("id")
|
|
for item in results["items"][:10] if self.ID_PATTERN.search(item)
|
|
]
|
|
|
|
def _parse_single_book(self,
|
|
id: str,
|
|
generic_cover: str = "") -> Optional[MetaRecord]:
|
|
url = f"https://book.douban.com/subject/{id}/"
|
|
log.debug(f"start parsing {url}")
|
|
|
|
try:
|
|
r = self.session.get(url)
|
|
r.raise_for_status()
|
|
except Exception as e:
|
|
log.warning(e)
|
|
return None
|
|
|
|
match = MetaRecord(
|
|
id=id,
|
|
title="",
|
|
authors=[],
|
|
url=url,
|
|
source=MetaSourceInfo(
|
|
id=self.__id__,
|
|
description=self.DESCRIPTION,
|
|
link=self.META_URL,
|
|
),
|
|
)
|
|
|
|
decode_content = r.content.decode("utf8")
|
|
html = etree.HTML(decode_content)
|
|
|
|
match.title = html.xpath(self.TITTLE_XPATH)[0].text
|
|
match.cover = html.xpath(
|
|
self.COVER_XPATH)[0].attrib["href"] or generic_cover
|
|
try:
|
|
rating_num = float(html.xpath(self.RATING_XPATH)[0].text.strip())
|
|
except Exception:
|
|
rating_num = 0
|
|
match.rating = int(-1 * rating_num // 2 * -1) if rating_num else 0
|
|
|
|
tag_elements = html.xpath(self.TAGS_XPATH)
|
|
if len(tag_elements):
|
|
match.tags = [tag_element.text for tag_element in tag_elements]
|
|
else:
|
|
match.tags = self._get_tags(decode_content)
|
|
|
|
description_element = html.xpath(self.DESCRIPTION_XPATH)
|
|
if len(description_element):
|
|
match.description = html2text(
|
|
etree.tostring(description_element[-1]).decode("utf8"))
|
|
|
|
info = html.xpath(self.INFO_XPATH)
|
|
|
|
for element in info:
|
|
text = element.text
|
|
if self.AUTHORS_PATTERN.search(text):
|
|
next_element = element.getnext()
|
|
while next_element is not None and next_element.tag != "br":
|
|
match.authors.append(next_element.text)
|
|
next_element = next_element.getnext()
|
|
elif self.PUBLISHER_PATTERN.search(text):
|
|
if publisher := element.tail.strip():
|
|
match.publisher = publisher
|
|
else:
|
|
match.publisher = element.getnext().text
|
|
elif self.SUBTITLE_PATTERN.search(text):
|
|
match.title = f'{match.title}:{element.tail.strip()}'
|
|
elif self.PUBLISHED_DATE_PATTERN.search(text):
|
|
match.publishedDate = self._clean_date(element.tail.strip())
|
|
elif self.SERIES_PATTERN.search(text):
|
|
match.series = element.getnext().text
|
|
elif i_type := self.IDENTIFIERS_PATTERN.search(text):
|
|
match.identifiers[i_type.group()] = element.tail.strip()
|
|
|
|
return match
|
|
|
|
@staticmethod
|
|
def _clean_date(date: str) -> str:
|
|
"""
|
|
Clean up the date string to be in the format YYYY-MM-DD
|
|
|
|
Examples of possible patterns:
|
|
'2014-7-16', '1988年4月', '1995-04', '2021-8', '2020-12-1', '1996年',
|
|
'1972', '2004/11/01', '1959年3月北京第1版第1印'
|
|
"""
|
|
year = date[:4]
|
|
moon = "01"
|
|
day = "01"
|
|
|
|
if len(date) > 5:
|
|
digit = []
|
|
ls = []
|
|
for i in range(5, len(date)):
|
|
if date[i].isdigit():
|
|
digit.append(date[i])
|
|
elif digit:
|
|
ls.append("".join(digit) if len(digit) ==
|
|
2 else f"0{digit[0]}")
|
|
digit = []
|
|
if digit:
|
|
ls.append("".join(digit) if len(digit) ==
|
|
2 else f"0{digit[0]}")
|
|
|
|
moon = ls[0]
|
|
if len(ls) > 1:
|
|
day = ls[1]
|
|
|
|
return f"{year}-{moon}-{day}"
|
|
|
|
def _get_tags(self, text: str) -> List[str]:
|
|
tags = []
|
|
if criteria := self.CRITERIA_PATTERN.search(text):
|
|
tags.extend(
|
|
item.replace('7:', '') for item in criteria.group().split('|')
|
|
if item.startswith('7:'))
|
|
|
|
return tags
|