Rewrite to a more modular style
- Only one module is available for now: boxnovel.com - There a re still some problems but it is getting better Signed-off-by: Juraj Oravec <jurajoravec@mailo.com>
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24
chapter.py
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24
chapter.py
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import re
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class Chapter:
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def __init__(self, title, text, number=0):
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self.title = title
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self.text = text
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self.number = number
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def getHtml(self):
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chapterHtml = """<html>
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<head>
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<title>{title}</title>
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<link rel="stylesheet" type="text/css" href="style/main.css" />
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</head>
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<body>
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<h3>{number} - {title}</h3>
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<div class="ebook_chapter_content">
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{body}
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</div>
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</body>
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</html>""".format(number=self.number, title=self.title, body=self.text)
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return chapterHtml
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126
ebook.py
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ebook.py
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import os
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from typing import List
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from ebooklib import epub
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from chapter import Chapter
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class Ebook:
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def __init__(self, title : str, chapters : List[Chapter], author : str = "",
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coverArt : str = ""):
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self.title = title
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self.chapters = chapters
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self.author = author
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self.coverArt = coverArt
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self.ebookChapters = list()
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def create(self):
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self.ebook = epub.EpubBook()
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self.ebook.set_identifier("ebook-%s" % self.title)
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self.ebook.set_title(self.title)
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self.ebook.set_language('en')
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if self.author:
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self.ebook.add_author(self.author)
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self.docStyle = epub.EpubItem(
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uid="doc_style",
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file_name="style/main.css",
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media_type="text/css",
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content=open("template/style.css").read()
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)
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self.ebook.add_item(self.docStyle)
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self.cover()
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self.addChapters()
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filename = "{basename}.epub".format(basename=self.title)
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print("Saving to '%s'" % filename)
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if os.path.exists(filename):
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os.remove(filename)
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epub.write_epub(filename, self.ebook, {})
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def cover(self):
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if not self.ebook:
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return
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content = "<h1>{title}</h1>".format(title=self.title)
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if self.author:
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content += "Written by {author}".format(author=self.author)
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self.intro_ch = epub.EpubHtml(title="Cover", file_name='cover.xhtml')
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self.intro_ch.add_item(self.docStyle)
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self.intro_ch.content = """<html>
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<head>
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<title>Cover</title>
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<link rel="stylesheet" href="style/main.css" type="text/css" />
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</head>
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<body>
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{content}
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</body>
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</html>
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""".format(content=content)
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self.ebook.add_item(self.intro_ch)
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if self.coverArt:
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self.book_artwork = epub.EpubItem(
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uid="book_artwork",
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file_name="media/artwork.jpg",
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media_type="image/jpeg",
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content=open(self.coverArt).read()
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)
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self.ebook.add_item(self.book_artwork)
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art_ch = epub.EpubHtml(title="Artwork", file_name='artwork.xhtml')
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art_ch.add_item(self.docStyle)
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art_ch.add_item(self.book_artwork)
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art_ch.content = """<html>
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<head>
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<title>Artwork</title>
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<link rel="stylesheet" href="style/main.css" type="text/css" />
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</head>
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<body>
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<img class="intro_artwork" src="media/artwork.jpg" alt="Artwork" />
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</body>
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</html>
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"""
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self.ebook.add_item(art_ch)
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def addChapters(self):
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if not self.ebook:
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return
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if not self.chapters:
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return
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for chapterData in self.chapters:
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chapter = epub.EpubHtml(
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title=chapterData.title,
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file_name='Chapter-{number}.xhtml'.format(number=chapterData.number)
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)
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chapter.add_item(self.docStyle)
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chapter.content = chapterData.getHtml()
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self.ebook.add_item(chapter)
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self.ebookChapters.append(chapter)
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self.tableOfContent()
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def tableOfContent(self):
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toc = list()
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if self.coverArt:
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toc.append(epub.Link('artwork.xhtml', 'Artvork', 'artwork'))
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if self.chapters:
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toc.append(epub.Link('cover.xhtml', 'Cover', 'cover'))
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toc.append((epub.Section('Chapters'), self.ebookChapters))
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# Set the TOC
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self.ebook.toc = tuple(toc)
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# add navigation files
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self.ebook.add_item(epub.EpubNcx())
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self.ebook.add_item(epub.EpubNav())
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# Create spine
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nav_page = epub.EpubNav(uid='book_toc', file_name='toc.xhtml')
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nav_page.add_item(self.docStyle)
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self.ebook.add_item(nav_page)
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self.ebook.spine = [self.intro_ch, nav_page] + self.ebookChapters
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@ -4,146 +4,81 @@ Script to downloaded webpages, extract text and merge all of them
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together to create one ebook.
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"""
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import errno
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import os
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import re
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import argparse
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from bs4 import BeautifulSoup
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from ebooklib import epub
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from newspaper import Article
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from importlib import import_module
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from urllib.parse import urlparse
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from typing import List
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# Book name
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name = "Name"
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# Base url, this is used as url = mainUrl + <number of chapter>
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mainUrl = "http://example.com/chapter-"
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# Number of all chapter
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numberOfChapters = 1
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# Start from 0 or 1 ?
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fromZero = False
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from chapter import Chapter
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from ebook import Ebook
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# numerical representation of start for script
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start = 0 if fromZero else 1
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class NovelDownload:
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def __init__(self, url):
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self.url = url
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re_paragraph = re.compile(r"(.+?\n\n|.+?$)", re.MULTILINE)
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self.title : str = ""
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self.author : str = ""
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chapters = []
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self.chapters : List[Chapter] = list()
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self.parser = None
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if not self.loadModule():
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print("Url is not supported")
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def download(number):
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"""Download webpage, extract main article, save result"""
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url = "%s%d" % (mainUrl, number)
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def loadModule(self):
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url = urlparse(self.url)
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moduleName = url.netloc.replace(".", "_")
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article = Article(url)
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article.download()
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article.parse()
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# import parser
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try:
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parserPackage = import_module('parsers.' + moduleName)
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except ImportError:
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print("Parser module not found: " + moduleName)
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return False
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# return getattr(module, name)
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chapterText = "%s - %d" % (name, number)
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header = False
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self.parser = parserPackage.Parser(self.url)
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for match in re_paragraph.finditer(article.text):
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paragraph = match.group()
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paragraph = paragraph.strip()
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return True
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if paragraph != "Previous ChapterNext Chapter":
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if not header:
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chapterText += "<h2>%s</h2>" % (paragraph)
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header = True
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else:
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chapterText += "<p>%s</p>\n" % (paragraph)
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def download(self):
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if not self.parser:
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print("There was an error")
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return
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chapterHtml = BeautifulSoup(
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"""<html>
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<head>
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<title>...</title>
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<link rel="stylesheet" type="text/css" href="style/main.css" />
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</head>
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<body></body>
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</html>""",
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'lxml'
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)
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chapterHtml.head.title.string = article.title
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chapterHtml.body.append(chapterText)
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self.parser.prepare()
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self.author = self.parser.getAuthor()
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self.title = self.parser.getTitle()
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return str(chapterText)
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for x in range(1, len(self.parser.getUrls()), 1):
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number, title, content = self.parser.nextChapter()
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if number == -1:
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number = x
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print("{number} - {title}".format(number=number, title=title))
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chapter = Chapter(title, content, number)
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self.chapters.append(chapter)
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def packageEbook():
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ebook = epub.EpubBook()
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ebook.set_identifier("ebook-%s" % name)
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ebook.set_title(name)
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ebook.set_language('en')
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doc_style = epub.EpubItem(
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uid="doc_style",
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file_name="style/main.css",
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media_type="text/css",
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content=open("template/style.css").read()
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)
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ebook.add_item(doc_style)
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intro_ch = epub.EpubHtml(title="Introduction", file_name='intro.xhtml')
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intro_ch.add_item(doc_style)
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intro_ch.content = """
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<html>
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<head>
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<title>Introduction</title>
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<link rel="stylesheet" href="style/main.css" type="text/css" />
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</head>
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<body>
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<h1>%s</h1>
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</body>
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</html>
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""" % (name)
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ebook.add_item(intro_ch)
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ebookChapters = []
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i = start
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for chapter_data in chapters:
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chapter = epub.EpubHtml(
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title="%s - %d" % (name, i),
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file_name='%s-%d.xhtml' % (name, i)
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)
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chapter.add_item(doc_style)
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chapter.content = chapter_data
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ebook.add_item(chapter)
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ebookChapters.append(chapter)
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i += 1
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# Set the TOC
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ebook.toc = (
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epub.Link('intro.xhtml', 'Introduction', 'intro'),
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(epub.Section('Chapters'), ebookChapters)
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)
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# add navigation files
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ebook.add_item(epub.EpubNcx())
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ebook.add_item(epub.EpubNav())
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# Create spine
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nav_page = epub.EpubNav(uid='book_toc', file_name='toc.xhtml')
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nav_page.add_item(doc_style)
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ebook.add_item(nav_page)
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ebook.spine = [intro_ch, nav_page] + ebookChapters
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filename = '%s.epub' % (name)
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print("Saving to '%s'" % filename)
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if os.path.exists(filename):
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os.remove(filename)
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epub.write_epub(filename, ebook, {})
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def save(self):
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book = Ebook(self.title, self.chapters, self.author)
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book.create()
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def main():
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"""Start main downloader and converter"""
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parser = argparse.ArgumentParser(description='Webnovel downloader')
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parser.add_argument('-u', '--url', metavar='URL', type=str, nargs=1, required=True,
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help='Url of the index page or first chapter, depends on parser support.')
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parser.add_argument('--version', action='version', version='%(prog)s 1.0.0')
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args = parser.parse_args()
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nd = NovelDownload(args.url[0])
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# Download all chapters one by one
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print("Downloading...")
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for i in range(start, numberOfChapters + 1, 1):
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print("Downloading: ", name, i)
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chapters.append(download(i))
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packageEbook()
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nd.download()
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print("Saving...")
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nd.save()
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print("Done")
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85
parsers/boxnovel_com.py
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parsers/boxnovel_com.py
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import re
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import requests
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from bs4 import BeautifulSoup
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from itertools import cycle
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from typing import List
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class Parser:
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def __init__(self, url : str):
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self.indexUrl : str = url
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self.chapterUrls : List[str] = list()
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self.indexPage : BeautifulSoup = None
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self.chapterCycle : cycle = None
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def prepare(self):
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self.downloadIndex()
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self.parseIndex()
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def nextChapter(self):
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url = next(self.chapterCycle)
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response = requests.get(url)
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if response.status_code != 200:
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raise FileNotFoundError("Unable to download {url}".format(url=self.indexUrl))
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page = BeautifulSoup(response.text, "lxml")
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# Extract chapter
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content = page.find("div", {"class": "reading-content"})
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if content is None:
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raise RuntimeError('Failed to find a chapter content <div class="reading-content">')
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# Get title
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bcol = page.findChild("ol", {"class": "breadcrumb"}, recursive=True)
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titleText = bcol.findChild("li", {"class": "active"}, recursive=True)
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titleText = titleText.text
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try:
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number, title = re.findall('^Chapter\s?([0-9]+)[^\s]?(.*)', titleText)[0]
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title = title.strip()
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except Exception:
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number = -1
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title = titleText
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self.decompose(content.findChildren("script", recursive=True))
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self.decompose(content.findChildren("ins", {"class": "adsbygoogle"}, recursive=True))
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self.decompose(content.findChildren("div", {"data-endpoint": "//trends.revcontent.com"}, recursive=True))
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return number, title.strip(), content.contents[1]
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def getAuthor(self):
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author = self.indexPage.find("div", {"class": "author-content"})
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return author.text.strip()
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def getTitle(self):
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title = self.indexPage.find("div", {"class": "post-title"})
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return title.text.strip()
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def getUrls(self):
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return self.chapterUrls
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def decompose(self, objects):
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for obj in objects:
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obj.decompose()
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def downloadIndex(self):
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response = requests.get(self.indexUrl)
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if response.status_code != 200:
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raise FileNotFoundError("Unable to download {url}".format(url=self.indexUrl))
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self.indexPage = BeautifulSoup(response.text, "lxml")
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def parseIndex(self):
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chapterListTag = self.indexPage.find("ul", {"class": "version-chap"})
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if chapterListTag is None:
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raise RuntimeError('Failed to find a chapter list <ul class="version-chap">')
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chapters = chapterListTag.findChildren("a", recursive=True)
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if chapters is None:
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raise RuntimeError('Failed to find a links to chapters <a>')
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for chapter in chapters:
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self.chapterUrls.append(chapter.get('href'))
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self.chapterUrls.reverse()
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self.chapterCycle = cycle(self.chapterUrls)
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