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This commit is contained in:
Kovid Goyal 2011-07-27 00:01:18 -06:00
parent 4b7d303560
commit a4721656b0
1 changed files with 9 additions and 5 deletions
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14
src/calibre/ebooks/mobi/utils.py
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@ -302,28 +302,32 @@ def align_block(raw, multiple=4, pad=b'\0'):
return raw + pad*(multiple - extra)
def detect_periodical(toc, log):
def detect_periodical(toc, log=None):
'''
Detect if the TOC object toc contains a periodical that conforms to the
structure required by kindlegen to generate a periodical.
'''
for node in toc.iterdescendants():
if node.depth() == 1 and node.klass != 'article':
log.debug(
if log is not None:
log.debug(
'Not a periodical: Deepest node does not have '
'class="article"')
return False
if node.depth() == 2 and node.klass != 'section':
log.debug(
if log is not None:
log.debug(
'Not a periodical: Second deepest node does not have'
' class="section"')
return False
if node.depth() == 3 and node.klass != 'periodical':
log.debug('Not a periodical: Third deepest node'
if log is not None:
log.debug('Not a periodical: Third deepest node'
' does not have class="periodical"')
return False
if node.depth() > 3:
log.debug('Not a periodical: Has nodes of depth > 3')
if log is not None:
log.debug('Not a periodical: Has nodes of depth > 3')
return False
return True