def breadcrumbs_with_siblings(page: Page, separator='', include_self=False):
def get_siblings(page):
def is_node(page):
return hasattr(page.model, 'children')
if not is_node(page):
return []
siblings = page.get_siblings().select_related(page.related_model_name)
return [
sibling
for sibling in siblings
if is_node(sibling)
]
def get_ancestors_crumbs() -> list:
ancestors_query = (
page
.get_ancestors(include_self)
.select_related(page.related_model_name)
.active()
)
if not ancestors_query.exists():
return []
catalog, *ancestors = ancestors_query
siblings = [
get_siblings(ancestor)
for ancestor in ancestors
]
return [
(catalog.display_menu_title, catalog.url, []),
*[
(crumb.display_menu_title, crumb.url, crumb_links)
for crumb, crumb_links in zip(ancestors, siblings)
],
]
index = page.get_index()
crumbs_list = [
(index.display_menu_title, index.url, []) if index else ('Main', '/', []),
*get_ancestors_crumbs(),
(page.display_menu_title, '', get_siblings(page))
]
return {
'index_slug': index.url if index else '/',
'crumbs_list': crumbs_list,
'separator': separator,
}
def breadcrumbs(page: Page, separator=''):
index = page.get_index()
crumbs_list = (
(index.display_menu_title, index.url) if index else ('Main', '/'),
*page.get_ancestors_fields('display_menu_title', 'url', include_self=False),
(page.display_menu_title, '')
)
return {
'crumbs_list': crumbs_list,
'separator': separator,
}
