mirror of
https://github.com/kemayo/leech
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533c14f0d7
Kindle can't display the "𝖙𝖍𝖚𝖌 𝖑𝖎𝖋𝖊" mathematical bold fraktur codepoints so NFKC normalize them (and anything else) into its plain equivalent. Can be disabled by running with `--no-normalize` if needed.
136 lines
4.8 KiB
Python
136 lines
4.8 KiB
Python
from .epub import make_epub
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from .cover import make_cover
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from .cover import make_cover_from_url
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import unicodedata
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import datetime
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import requests
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import attr
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html_template = '''<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
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<head>
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<title>{title}</title>
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<link rel="stylesheet" type="text/css" href="../Styles/base.css" />
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</head>
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<body>
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<h1>{title}</h1>
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{text}
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</body>
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</html>
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'''
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cover_template = '''<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Cover</title>
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<link rel="stylesheet" type="text/css" href="Styles/base.css" />
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</head>
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<body>
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<div class="cover">
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<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
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width="100%" height="100%" viewBox="0 0 573 800" preserveAspectRatio="xMidYMid meet">
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<image width="600" height="800" xlink:href="images/cover.png" />
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</svg>
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</div>
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</body>
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</html>
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'''
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frontmatter_template = '''<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Front Matter</title>
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<link rel="stylesheet" type="text/css" href="Styles/base.css" />
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</head>
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<body>
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<div class="cover title">
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<h1>{title}<br />By {author}</h1>
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<dl>
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<dt>Source</dt>
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<dd>{unique_id}</dd>
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<dt>Started</dt>
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<dd>{started:%Y-%m-%d}</dd>
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<dt>Updated</dt>
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<dd>{updated:%Y-%m-%d}</dd>
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<dt>Downloaded on</dt>
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<dd>{now:%Y-%m-%d}</dd>
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</dl>
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</div>
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</body>
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</html>
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'''
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@attr.s
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class CoverOptions:
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fontname = attr.ib(default=None, converter=attr.converters.optional(str))
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fontsize = attr.ib(default=None, converter=attr.converters.optional(int))
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width = attr.ib(default=None, converter=attr.converters.optional(int))
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height = attr.ib(default=None, converter=attr.converters.optional(int))
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wrapat = attr.ib(default=None, converter=attr.converters.optional(int))
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bgcolor = attr.ib(default=None, converter=attr.converters.optional(tuple))
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textcolor = attr.ib(default=None, converter=attr.converters.optional(tuple))
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cover_url = attr.ib(default=None, converter=attr.converters.optional(str))
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def chapter_html(story, titleprefix=None, normalize=False):
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chapters = []
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for i, chapter in enumerate(story):
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title = chapter.title or f'#{i}'
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if hasattr(chapter, '__iter__'):
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# This is a Section
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chapters.extend(chapter_html(chapter, titleprefix=title, normalize=normalize))
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else:
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title = titleprefix and f'{titleprefix}: {title}' or title
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contents = chapter.contents
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if normalize:
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title = unicodedata.normalize('NFKC', title)
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contents = unicodedata.normalize('NFKC', contents)
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chapters.append((
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title,
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f'{story.id}/chapter{i + 1}.html',
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html_template.format(title=title, text=contents)
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))
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if story.footnotes:
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chapters.append(("Footnotes", f'{story.id}/footnotes.html', html_template.format(title="Footnotes", text='\n\n'.join(story.footnotes))))
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return chapters
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def generate_epub(story, cover_options={}, output_filename=None, normalize=False):
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dates = list(story.dates())
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metadata = {
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'title': story.title,
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'author': story.author,
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'unique_id': story.url,
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'started': min(dates),
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'updated': max(dates),
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}
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valid_cover_options = ('fontname', 'fontsize', 'width', 'height', 'wrapat', 'bgcolor', 'textcolor', 'cover_url')
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cover_options = CoverOptions(**{k: v for k, v in cover_options.items() if k in valid_cover_options})
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cover_options = attr.asdict(cover_options, filter=lambda k, v: v is not None, retain_collection_types=True)
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# The cover is static, and the only change comes from the image which we generate
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html = [('Cover', 'cover.html', cover_template)]
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if cover_options and "cover_url" in cover_options:
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image = make_cover_from_url(cover_options["cover_url"], story.title, story.author)
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elif story.cover_url:
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image = make_cover_from_url(story.cover_url, story.title, story.author)
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else:
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image = make_cover(story.title, story.author, **cover_options)
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cover_image = ('images/cover.png', image.read(), 'image/png')
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html.append(('Front Matter', 'frontmatter.html', frontmatter_template.format(now=datetime.datetime.now(), **metadata)))
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html.extend(chapter_html(story, normalize=normalize))
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css = ('Styles/base.css', requests.Session().get('https://raw.githubusercontent.com/mattharrison/epub-css-starter-kit/master/css/base.css').text, 'text/css')
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output_filename = output_filename or story.title + '.epub'
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output_filename = make_epub(output_filename, html, metadata, extra_files=(css, cover_image))
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return output_filename
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