def recall_document(title, url, uuid, text):
doc = None
if url:
try:
doc = SearchDocument.objects.lookup_by_url(url)
except SearchDocument.DoesNotExist:
pass
if uuid and not doc:
try:
doc = SearchDocument.objects.get(uuid=uuid)
except SearchDocument.DoesNotExist:
pass
if text and not doc:
doc = SearchDocument.objects.filter(text=text)
if len(doc) > 0:
doc = doc[0]
if not doc:
raise SearchDocument.DoesNotExist()
# If the extractor fails to extract a title, this will copy a title from
# a later submission from an improved extractor.
if title and not doc.title:
doc.title = title
doc.save()
return doc
