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Conversion: Add support for CSS tylesheets that wrap their rules inside a @media rule. Fixes #1157345 (CSS stripped in Mobi-to-Mobi conversion)

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Kovid Goyal 2013-03-20 23:41:27 +05:30
parent f1d3e9bc5c
commit 78c81b183a
1 changed files with 11 additions and 2 deletions
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13
src/calibre/ebooks/oeb/stylizer.py
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@ -305,8 +305,17 @@ class Stylizer(object):
href = stylesheet.href
self.stylesheets.add(href)
for rule in stylesheet.cssRules:
rules.extend(self.flatten_rule(rule, href, index))
index = index + 1
if rule.type == rule.MEDIA_RULE:
media = {rule.media.item(i) for i in
xrange(rule.media.length)}
if not media.intersection({'all', 'screen', 'amzn-kf8'}):
continue
for subrule in rule.cssRules:
rules.extend(self.flatten_rule(subrule, href, index))
index += 1
else:
rules.extend(self.flatten_rule(rule, href, index))
index = index + 1
rules.sort()
self.rules = rules
self._styles = {}