Michel Roux
1f0112a9a1
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153 lines
5.1 KiB
Python
153 lines
5.1 KiB
Python
from os import makedirs, path
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from typing import List
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from PIL import Image
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from bs4 import BeautifulSoup, Tag
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from lxml.html import fromstring
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from pypub import Chapter, Epub, create_chapter_from_string # type: ignore
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from pypub.const import SUPPORTED_TAGS # type: ignore
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from requests import get
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UNSUPPORTED_TAGS = ["a", "h3"]
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OUTPUT_DIR = "output"
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class MyChapter(Chapter):
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def parse_etree(self):
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"""generate new filtered element-tree"""
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etree = fromstring(self.content)
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# check if we can minimalize the scope
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body = etree.xpath(".//body")
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etree = body[0] if body else etree
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article = etree.xpath(".//article")
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etree = article[0] if article else etree
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# iterate elements in tree and delete/modify them
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for elem in [elem for elem in etree.iter()][1:]:
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if elem.tag in UNSUPPORTED_TAGS:
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parent = elem.getparent()
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parent.remove(elem)
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# if element tag is supported
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elif elem.tag in SUPPORTED_TAGS:
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# remove attributes not approved for specific tag
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for attr in elem.attrib:
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if attr != "style" and attr not in SUPPORTED_TAGS[elem.tag]:
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elem.attrib.pop(attr)
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# if element is not supported, append children to parent
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else:
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parent = elem.getparent()
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for child in elem.getchildren():
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parent.append(child)
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parent.remove(elem)
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# NOTE: this is a bug with lxml, some children have
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# text in the parent included in the tail rather
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# than text attribute, so we also append tail to text
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if elem.tail and elem.tail.strip():
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parent.text = (parent.text or "") + elem.tail.strip()
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# ensure all images with no src are removed
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for img in etree.xpath(".//img"):
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if "src" not in img.attrib:
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img.getparent().remove(img)
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# return new element-tree
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return etree
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def replace_images(self, image_dir: str, timeout: int = 10):
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try:
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super().replace_images(image_dir, timeout)
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except TimeoutError:
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pass
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for img in self.etree.xpath(".//img"):
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if img.attrib["src"].startswith("http"):
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img.getparent().remove(img)
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else:
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src = f"{path.dirname(image_dir)}/{img.attrib['src']}"
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image = Image.open(src)
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image.thumbnail((1000, 2000))
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image.save(src)
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makedirs(name=OUTPUT_DIR, exist_ok=True)
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cover_req = get(
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url="https://i0.wp.com/wanderinginn.com/wp-content/uploads/2023/03/Wandering_Inn-Vol1-eCover.jpg", # noqa: E501
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stream=True,
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)
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cover_image = Image.open(cover_req.raw)
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cover_image.thumbnail((500, 1000))
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cover_image.save(f"{OUTPUT_DIR}/cover.png")
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def process_volume(epub: Epub, urls: List[str]):
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for url in urls:
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page_req = get(url)
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page_html = BeautifulSoup(markup=page_req.text, features="lxml")
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page_content = page_html.select_one("div.entry-content")
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page_title = page_html.select_one("h1.entry-title")
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if not page_content or not page_title:
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raise Exception("Missing title or content")
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title = page_title.get_text().strip()
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if not title:
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continue
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galleries = page_content.select("div.tiled-gallery")
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for gallery in galleries:
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gallery.decompose()
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chapter = create_chapter_from_string(
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html=page_content.prettify(),
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title=title,
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factory=MyChapter,
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)
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print(f"{epub.title} - {title}")
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epub.add_chapter(chapter)
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epub.create_epub(OUTPUT_DIR)
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def process_book(
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url: str, creator: str, publisher: str, language: str, strip_first=False
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):
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toc_req = get(url)
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toc_html = BeautifulSoup(markup=toc_req.text, features="lxml")
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toc_content = toc_html.select("div.entry-content > p")
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toc_title = toc_html.select_one("#site-title > span > a")
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toc_date = toc_html.find(name="meta", property="article:modified_time")
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if not toc_title or type(toc_date) is not Tag:
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raise Exception("Missing title or date")
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title = toc_title.get_text().strip()
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if strip_first:
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toc_content.pop(0)
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for i, toc_line in enumerate(toc_content):
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if i % 2 == 0:
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volume = toc_line.get_text().strip()
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elif volume:
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epub = Epub(
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title=f"{title} - {volume}",
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creator=creator,
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language=language,
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publisher=publisher,
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date=toc_date["content"],
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cover=f"{OUTPUT_DIR}/cover.png",
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epub_dir=f"{OUTPUT_DIR}/{title} - {volume}",
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)
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urls = []
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for link in toc_line.select("a"):
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urls.append(link.attrs["href"])
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process_volume(epub=epub, urls=urls)
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process_book(
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url="https://aubergevagabonde.wordpress.com/sommaire/",
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creator="Pirateaba",
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publisher="ElliVia",
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language="fr",
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)
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