mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-15 22:34:56 +00:00
351 lines
13 KiB
Python
351 lines
13 KiB
Python
# -*- 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) 2021 OzzieIsaacs
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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 datetime
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import json
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import re
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from multiprocessing.pool import ThreadPool
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from typing import List, Optional, Tuple, Union
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from urllib.parse import quote
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import requests
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from dateutil import parser
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from html2text import HTML2Text
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from lxml.html import HtmlElement, fromstring, tostring
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from markdown2 import Markdown
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from cps import logger
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from cps.isoLanguages import get_language_name
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from cps.services.Metadata import MetaRecord, MetaSourceInfo, Metadata
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log = logger.create()
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SYMBOLS_TO_TRANSLATE = (
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"öÖüÜóÓőŐúÚéÉáÁűŰíÍąĄćĆęĘłŁńŃóÓśŚźŹżŻ",
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"oOuUoOoOuUeEaAuUiIaAcCeElLnNoOsSzZzZ",
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)
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SYMBOL_TRANSLATION_MAP = dict(
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[(ord(a), ord(b)) for (a, b) in zip(*SYMBOLS_TO_TRANSLATE)]
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)
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def get_int_or_float(value: str) -> Union[int, float]:
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number_as_float = float(value)
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number_as_int = int(number_as_float)
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return number_as_int if number_as_float == number_as_int else number_as_float
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def strip_accents(s: Optional[str]) -> Optional[str]:
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return s.translate(SYMBOL_TRANSLATION_MAP) if s is not None else s
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def sanitize_comments_html(html: str) -> str:
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text = html2text(html)
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md = Markdown()
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html = md.convert(text)
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return html
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def html2text(html: str) -> str:
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# replace <u> tags with <span> as <u> becomes emphasis in html2text
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if isinstance(html, bytes):
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html = html.decode("utf-8")
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html = re.sub(
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r"<\s*(?P<solidus>/?)\s*[uU]\b(?P<rest>[^>]*)>",
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r"<\g<solidus>span\g<rest>>",
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html,
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)
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h2t = HTML2Text()
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h2t.body_width = 0
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h2t.single_line_break = True
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h2t.emphasis_mark = "*"
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return h2t.handle(html)
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class LubimyCzytac(Metadata):
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__name__ = "LubimyCzytac.pl"
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__id__ = "lubimyczytac"
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BASE_URL = "https://lubimyczytac.pl"
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BOOK_SEARCH_RESULT_XPATH = (
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"*//div[@class='listSearch']//div[@class='authorAllBooks__single']"
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)
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SINGLE_BOOK_RESULT_XPATH = ".//div[contains(@class,'authorAllBooks__singleText')]"
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TITLE_PATH = "/div/a[contains(@class,'authorAllBooks__singleTextTitle')]"
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TITLE_TEXT_PATH = f"{TITLE_PATH}//text()"
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URL_PATH = f"{TITLE_PATH}/@href"
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AUTHORS_PATH = "/div/a[contains(@href,'autor')]//text()"
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SIBLINGS = "/following-sibling::dd"
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CONTAINER = "//section[@class='container book']"
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PUBLISHER = f"{CONTAINER}//dt[contains(text(),'Wydawnictwo:')]{SIBLINGS}/a/text()"
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LANGUAGES = f"{CONTAINER}//dt[contains(text(),'Język:')]{SIBLINGS}/text()"
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DESCRIPTION = f"{CONTAINER}//div[@class='collapse-content']"
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SERIES = f"{CONTAINER}//span/a[contains(@href,'/cykl/')]/text()"
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DETAILS = "//div[@id='book-details']"
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PUBLISH_DATE = "//dt[contains(@title,'Data pierwszego wydania"
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FIRST_PUBLISH_DATE = f"{DETAILS}{PUBLISH_DATE} oryginalnego')]{SIBLINGS}[1]/text()"
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FIRST_PUBLISH_DATE_PL = f"{DETAILS}{PUBLISH_DATE} polskiego')]{SIBLINGS}[1]/text()"
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TAGS = "//nav[@aria-label='breadcrumb']//a[contains(@href,'/ksiazki/k/')]/text()"
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RATING = "//meta[@property='books:rating:value']/@content"
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COVER = "//meta[@property='og:image']/@content"
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ISBN = "//meta[@property='books:isbn']/@content"
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META_TITLE = "//meta[@property='og:description']/@content"
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SUMMARY = "//script[@type='application/ld+json']//text()"
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def search(
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self, query: str, generic_cover: str = "", locale: str = "en"
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) -> Optional[List[MetaRecord]]:
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if self.active:
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try:
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result = requests.get(self._prepare_query(title=query))
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result.raise_for_status()
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except Exception as e:
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log.warning(e)
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return None
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root = fromstring(result.text)
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lc_parser = LubimyCzytacParser(root=root, metadata=self)
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matches = lc_parser.parse_search_results()
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if matches:
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with ThreadPool(processes=10) as pool:
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final_matches = pool.starmap(
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lc_parser.parse_single_book,
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[(match, generic_cover, locale) for match in matches],
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)
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return final_matches
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return matches
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def _prepare_query(self, title: str) -> str:
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query = ""
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characters_to_remove = "\?()\/"
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pattern = "[" + characters_to_remove + "]"
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title = re.sub(pattern, "", title)
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title = title.replace("_", " ")
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if '"' in title or ",," in title:
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title = title.split('"')[0].split(",,")[0]
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if "/" in title:
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title_tokens = [
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token for token in title.lower().split(" ") if len(token) > 1
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]
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else:
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title_tokens = list(self.get_title_tokens(title, strip_joiners=False))
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if title_tokens:
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tokens = [quote(t.encode("utf-8")) for t in title_tokens]
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query = query + "%20".join(tokens)
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if not query:
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return ""
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return f"{LubimyCzytac.BASE_URL}/szukaj/ksiazki?phrase={query}"
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class LubimyCzytacParser:
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PAGES_TEMPLATE = "<p id='strony'>Książka ma {0} stron(y).</p>"
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PUBLISH_DATE_TEMPLATE = "<p id='pierwsze_wydanie'>Data pierwszego wydania: {0}</p>"
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PUBLISH_DATE_PL_TEMPLATE = (
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"<p id='pierwsze_wydanie'>Data pierwszego wydania w Polsce: {0}</p>"
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)
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def __init__(self, root: HtmlElement, metadata: Metadata) -> None:
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self.root = root
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self.metadata = metadata
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def parse_search_results(self) -> List[MetaRecord]:
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matches = []
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results = self.root.xpath(LubimyCzytac.BOOK_SEARCH_RESULT_XPATH)
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for result in results:
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title = self._parse_xpath_node(
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root=result,
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xpath=f"{LubimyCzytac.SINGLE_BOOK_RESULT_XPATH}"
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f"{LubimyCzytac.TITLE_TEXT_PATH}",
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)
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book_url = self._parse_xpath_node(
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root=result,
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xpath=f"{LubimyCzytac.SINGLE_BOOK_RESULT_XPATH}"
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f"{LubimyCzytac.URL_PATH}",
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)
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authors = self._parse_xpath_node(
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root=result,
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xpath=f"{LubimyCzytac.SINGLE_BOOK_RESULT_XPATH}"
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f"{LubimyCzytac.AUTHORS_PATH}",
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take_first=False,
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)
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if not all([title, book_url, authors]):
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continue
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matches.append(
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MetaRecord(
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id=book_url.replace(f"/ksiazka/", "").split("/")[0],
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title=title,
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authors=[strip_accents(author) for author in authors],
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url=LubimyCzytac.BASE_URL + book_url,
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source=MetaSourceInfo(
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id=self.metadata.__id__,
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description=self.metadata.__name__,
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link=LubimyCzytac.BASE_URL,
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),
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)
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)
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return matches
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def parse_single_book(
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self, match: MetaRecord, generic_cover: str, locale: str
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) -> MetaRecord:
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try:
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response = requests.get(match.url)
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response.raise_for_status()
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except Exception as e:
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log.warning(e)
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return None
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self.root = fromstring(response.text)
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match.cover = self._parse_cover(generic_cover=generic_cover)
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match.description = self._parse_description()
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match.languages = self._parse_languages(locale=locale)
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match.publisher = self._parse_publisher()
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match.publishedDate = self._parse_from_summary(attribute_name="datePublished")
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match.rating = self._parse_rating()
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match.series, match.series_index = self._parse_series()
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match.tags = self._parse_tags()
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match.identifiers = {
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"isbn": self._parse_isbn(),
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"lubimyczytac": match.id,
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}
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return match
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def _parse_xpath_node(
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self,
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xpath: str,
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root: HtmlElement = None,
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take_first: bool = True,
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strip_element: bool = True,
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) -> Optional[Union[str, List[str]]]:
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root = root if root is not None else self.root
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node = root.xpath(xpath)
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if not node:
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return None
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return (
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(node[0].strip() if strip_element else node[0])
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if take_first
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else [x.strip() for x in node]
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)
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def _parse_cover(self, generic_cover) -> Optional[str]:
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return (
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self._parse_xpath_node(xpath=LubimyCzytac.COVER, take_first=True)
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or generic_cover
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)
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def _parse_publisher(self) -> Optional[str]:
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return self._parse_xpath_node(xpath=LubimyCzytac.PUBLISHER, take_first=True)
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def _parse_languages(self, locale: str) -> List[str]:
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languages = list()
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lang = self._parse_xpath_node(xpath=LubimyCzytac.LANGUAGES, take_first=True)
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if lang:
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if "polski" in lang:
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languages.append("pol")
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if "angielski" in lang:
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languages.append("eng")
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return [get_language_name(locale, language) for language in languages]
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def _parse_series(self) -> Tuple[Optional[str], Optional[Union[float, int]]]:
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series_index = 0
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series = self._parse_xpath_node(xpath=LubimyCzytac.SERIES, take_first=True)
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if series:
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if "tom " in series:
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series_name, series_info = series.split(" (tom ", 1)
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series_info = series_info.replace(" ", "").replace(")", "")
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# Check if book is not a bundle, i.e. chapter 1-3
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if "-" in series_info:
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series_info = series_info.split("-", 1)[0]
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if series_info.replace(".", "").isdigit() is True:
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series_index = get_int_or_float(series_info)
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return series_name, series_index
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return None, None
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def _parse_tags(self) -> List[str]:
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tags = self._parse_xpath_node(xpath=LubimyCzytac.TAGS, take_first=False)
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return [
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strip_accents(w.replace(", itd.", " itd."))
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for w in tags
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if isinstance(w, str)
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]
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def _parse_from_summary(self, attribute_name: str) -> Optional[str]:
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value = None
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summary_text = self._parse_xpath_node(xpath=LubimyCzytac.SUMMARY)
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if summary_text:
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data = json.loads(summary_text)
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value = data.get(attribute_name)
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return value.strip() if value is not None else value
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def _parse_rating(self) -> Optional[str]:
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rating = self._parse_xpath_node(xpath=LubimyCzytac.RATING)
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return round(float(rating.replace(",", ".")) / 2) if rating else rating
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def _parse_date(self, xpath="first_publish") -> Optional[datetime.datetime]:
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options = {
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"first_publish": LubimyCzytac.FIRST_PUBLISH_DATE,
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"first_publish_pl": LubimyCzytac.FIRST_PUBLISH_DATE_PL,
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}
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date = self._parse_xpath_node(xpath=options.get(xpath))
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return parser.parse(date) if date else None
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def _parse_isbn(self) -> Optional[str]:
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return self._parse_xpath_node(xpath=LubimyCzytac.ISBN)
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def _parse_description(self) -> str:
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description = ""
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description_node = self._parse_xpath_node(
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xpath=LubimyCzytac.DESCRIPTION, strip_element=False
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)
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if description_node is not None:
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for source in self.root.xpath('//p[@class="source"]'):
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source.getparent().remove(source)
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description = tostring(description_node, method="html")
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description = sanitize_comments_html(description)
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else:
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description_node = self._parse_xpath_node(xpath=LubimyCzytac.META_TITLE)
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if description_node is not None:
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description = description_node
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description = sanitize_comments_html(description)
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description = self._add_extra_info_to_description(description=description)
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return description
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def _add_extra_info_to_description(self, description: str) -> str:
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pages = self._parse_from_summary(attribute_name="numberOfPages")
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if pages:
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description += LubimyCzytacParser.PAGES_TEMPLATE.format(pages)
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first_publish_date = self._parse_date()
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if first_publish_date:
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description += LubimyCzytacParser.PUBLISH_DATE_TEMPLATE.format(
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first_publish_date.strftime("%d.%m.%Y")
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)
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first_publish_date_pl = self._parse_date(xpath="first_publish_pl")
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if first_publish_date_pl:
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description += LubimyCzytacParser.PUBLISH_DATE_PL_TEMPLATE.format(
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first_publish_date_pl.strftime("%d.%m.%Y")
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)
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return description
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