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Make functionality to ensure nav re-useable

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Kovid Goyal 2021-10-23 11:29:03 +05:30
parent be73536c26
commit bd7d859ac2
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1 changed files with 7 additions and 2 deletions
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9
src/calibre/ebooks/oeb/polish/toc.py
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@ -674,8 +674,7 @@ def ensure_single_nav_of_type(root, ntype='toc'):
return nav
def commit_nav_toc(container, toc, lang=None, landmarks=None, previous_nav=None):
from calibre.ebooks.oeb.polish.pretty import pretty_xml_tree
def ensure_container_has_nav(container, lang=None, previous_nav=None):
tocname = find_existing_nav_toc(container)
if previous_nav is not None:
nav_name = container.href_to_name(previous_nav[0])
@ -697,6 +696,12 @@ def commit_nav_toc(container, toc, lang=None, landmarks=None, previous_nav=None)
lang = lang_as_iso639_1(lang) or lang
root.set('lang', lang)
root.set('{%s}lang' % XML_NS, lang)
return tocname, root
def commit_nav_toc(container, toc, lang=None, landmarks=None, previous_nav=None):
from calibre.ebooks.oeb.polish.pretty import pretty_xml_tree
tocname, root = ensure_container_has_nav(container, lang=lang, previous_nav=previous_nav)
nav = ensure_single_nav_of_type(root, 'toc')
if toc.toc_title:
nav.append(nav.makeelement(XHTML('h1')))