def clean_all_descriptors(connection, dry_run=False):
rows = yield connection.query_view(view.DocumentByType,
group_level=1, parse_results=False)
to_delete = list()
for row in rows:
type_name = row[0][0]
restorator = serialization.lookup(type_name)
if not restorator:
log.info('cleanup',
'Could not lookup restorator for type name: %s. '
'There is %s documents of this type.',
type_name, row[1])
continue
if IDescriptor.implementedBy(restorator):
log.info('cleanup',
'I will delete %s documents of type name: %s',
row[1], type_name)
to_delete.append(type_name)
if dry_run:
log.info("cleanup",
"Not deleting anything, this is just a dry run.")
return
for type_name in to_delete:
keys = view.DocumentByType.fetch(type_name)
keys['include_docs'] = False
rows = yield connection.query_view(
view.DocumentByType, parse_results=False, **keys)
for (key, value, doc_id) in rows:
try:
yield connection.update_document(doc_id, update.delete)
except Exception as e:
log.error("cleanup",
"Cannot delete the documents of type %s with ID: %s."
" Reason: %s", type_name, doc_id, e)
def lookup_descriptor(name):
r = serialization.lookup(name)
if r is not None and not IDescriptor.implementedBy(r):
raise TypeError("lookup_descriptor() tried to return %r" % (r,))
return r
