def _findNextSiteManager(site):
while True:
if IContainmentRoot.providedBy(site):
# we're the root site, return None
return None
try:
site = zapi.getParent(site)
except TypeError:
# there was not enough context; probably run from a test
return None
if interfaces.ISite.providedBy(site):
return site.getSiteManager()
def changeSiteConfigurationAfterMove(site, event):
"""After a site is moved, its site manager links have to be updated."""
next = None
if event.newParent is not None:
next = _findNextSiteManager(site)
site.getSiteManager().setNext(next)
