def delete_doc(self, doc):
with self._db_handle:
old_doc = self._get_doc(doc.doc_id, check_for_conflicts=True)
if old_doc is None:
raise errors.DocumentDoesNotExist
if old_doc.rev != doc.rev:
raise errors.RevisionConflict()
if old_doc.is_tombstone():
raise errors.DocumentAlreadyDeleted
if old_doc.has_conflicts:
raise errors.ConflictedDoc()
new_rev = self._allocate_doc_rev(doc.rev)
doc.rev = new_rev
doc.make_tombstone()
self._put_and_update_indexes(old_doc, doc)
return new_rev
def put_doc(self, doc):
if doc.doc_id is None:
raise errors.InvalidDocId()
self._check_doc_id(doc.doc_id)
if self._has_conflicts(doc.doc_id):
raise errors.ConflictedDoc()
old_doc = self._get_doc(doc.doc_id)
if old_doc and doc.rev is None and old_doc.is_tombstone():
new_rev = self._allocate_doc_rev(old_doc.rev)
else:
if old_doc is not None:
if old_doc.rev != doc.rev:
raise errors.RevisionConflict()
else:
if doc.rev is not None:
raise errors.RevisionConflict()
new_rev = self._allocate_doc_rev(doc.rev)
doc.rev = new_rev
self._put_and_update_indexes(old_doc, doc)
return new_rev