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Conversion pipeline: Remove empty <b> and <i> tags. Fixes #3564 (PDF to EPUB formatting problems)

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Kovid Goyal 2009-09-27 23:43:04 -06:00
parent a1a30a50ea
commit f31692c268
1 changed files with 17 additions and 13 deletions
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30
src/calibre/ebooks/oeb/base.py
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@ -912,23 +912,27 @@ class Manifest(object):
if key == 'lang' or key.endswith('}lang'):
body.attrib.pop(key)
def remove_elem(a):
p = a.getparent()
idx = p.index(a) -1
p.remove(a)
if a.tail:
if idx <= 0:
if p.text is None:
p.text = ''
p.text += a.tail
else:
if p[idx].tail is None:
p[idx].tail = ''
p[idx].tail += a.tail
# Remove hyperlinks with no content as they cause rendering
# artifacts in browser based renderers
for a in xpath(data, '//h:a[@href]'):
# Also remove empty <b> and <i> tags
for a in xpath(data, '//h:a[@href]|//h:i|//h:b'):
if a.get('id', None) is None and a.get('name', None) is None \
and len(a) == 0 and not a.text:
p = a.getparent()
idx = p.index(a) -1
p.remove(a)
if a.tail:
if idx <= 0:
if p.text is None:
p.text = ''
p.text += a.tail
else:
if p[idx].tail is None:
p[idx].tail = ''
p[idx].tail += a.tail
remove_elem(a)
return data