def wiki_page_deleted(self, page):
"""Called when a page has been deleted.
This basically takes the page that was deleted and removes all
relationships from the database mapping requirements to this
wiki page because the wiki page no longer exists.
"""
refs = RequirementCacheSystem(self.env).parse_data_for_req_references(page.text)
if refs:
for (component, fp, object) in refs:
req_wiki_cache = RequirementWikiCache(self.env, component, fp, object, page.name, page.version)
if (req_wiki_cache.exists):
req_wiki_cache.delete_by_page()
