def autocreate_redirects_on_page_move(
instance: Page,
url_path_after: str,
url_path_before: str,
**kwargs,
) -> None:
if not getattr(settings, "WAGTAILREDIRECTS_AUTO_CREATE", True):
return None
if url_path_after == url_path_before:
# Redirects are not needed for a page 'reorder'
return None
# NB: create_redirects expects specific instances
instance = instance.specific
# Simulate an 'old_page' by copying the specific instance and resetting
# the in-memory `url_path` value to what it was before the move
page_old = type(instance)()
page_old.__dict__.update(instance.__dict__)
page_old.url_path = url_path_before
# This value is used to prevent creation redirects that link
# from one site to another
new_site_ids = set(item.site_id
for item in instance._get_relevant_site_root_paths(
cache_object=instance))
# Determine sites to create redirects for
sites = Site.objects.exclude(root_page=instance).filter(id__in=[
item.site_id for item in page_old._get_relevant_site_root_paths(
cache_object=instance) if item.site_id in new_site_ids
])
create_redirects(page=instance, page_old=page_old, sites=sites)
def autocreate_redirects_on_slug_change(instance_before: Page, instance: Page,
**kwargs):
# NB: `page_slug_changed` provides specific page instances,
# so we do not need to 'upcast' them for create_redirects here
if not getattr(settings, "WAGTAILREDIRECTS_AUTO_CREATE", True):
return None
# Determine sites to create redirects for
sites = Site.objects.filter(id__in=[
option.site_id for option in instance._get_relevant_site_root_paths(
cache_object=instance)
]).exclude(root_page=instance)
create_redirects(page=instance, page_old=instance_before, sites=sites)
