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HTMLZ output: Fix images referred to in CSS stylesheets not being converted. Fixes #1999956 [EPUB3 -> HTMLZ conversion does not fix background-image url](https://bugs.launchpad.net/calibre/+bug/1999956)

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Kovid Goyal 2023-01-04 14:46:46 +05:30
parent 9473599b28
commit 8ad001a64d
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1 changed files with 7 additions and 4 deletions
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src/calibre/ebooks/htmlz/oeb2html.py
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@ -8,16 +8,18 @@ Transform OEB content into a single (more or less) HTML file.
import os import os
import re import re
from css_parser import replaceUrls
from functools import partial from functools import partial
from lxml import html from lxml import html
from calibre import prepare_string_for_xml from calibre import prepare_string_for_xml
from calibre.ebooks.oeb.base import ( from calibre.ebooks.oeb.base import (
XHTML, XHTML_NS, SVG_NS, barename, namespace, OEB_IMAGES, XLINK, rewrite_links, urlnormalize) OEB_IMAGES, SVG_NS, XHTML, XHTML_NS, XLINK, barename, namespace, rewrite_links,
urlnormalize,
)
from calibre.ebooks.oeb.stylizer import Stylizer from calibre.ebooks.oeb.stylizer import Stylizer
from calibre.utils.logging import default_log from calibre.utils.logging import default_log
from polyglot.builtins import string_or_bytes, as_unicode from polyglot.builtins import as_unicode, string_or_bytes
from polyglot.urllib import urldefrag from polyglot.urllib import urldefrag
SELF_CLOSING_TAGS = {'area', 'base', 'basefont', 'br', 'hr', 'input', 'img', 'link', 'meta'} SELF_CLOSING_TAGS = {'area', 'base', 'basefont', 'br', 'hr', 'input', 'img', 'link', 'meta'}
@ -130,7 +132,8 @@ class OEB2HTML:
def get_css(self, oeb_book): def get_css(self, oeb_book):
css = '' css = ''
for item in oeb_book.manifest: for item in oeb_book.manifest:
if item.media_type == 'text/css': if hasattr(item.data, 'cssText'):
replaceUrls(item.data, partial(self.rewrite_link, page=item))
css += as_unicode(item.data.cssText) + '\n\n' css += as_unicode(item.data.cssText) + '\n\n'
return css return css