1 files changed, 9 insertions, 2 deletions
diff --git a/backends/leap_backend.py b/backends/leap_backend.py
index a8a65eb4..3e859f7c 100644
--- a/backends/leap_backend.py
+++ b/backends/leap_backend.py
@@ -4,16 +4,19 @@ except ImportError:
     import json  # noqa
 
 from u1db import Document
+from u1db.remote import utils
 from u1db.remote.http_target import HTTPSyncTarget
 from u1db.remote.http_database import HTTPDatabase
-import base64  # unused
+from u1db.errors import BrokenSyncStream
+from leap.soledad.util import GPGWrapper
 
-#from leap.soledad import util  # import GPGWrapper  # unused
+import uuid
 
 
 class NoDefaultKey(Exception):
     pass
 
+
 class NoSoledadInstance(Exception):
     pass
 
@@ -72,6 +75,10 @@ class LeapDatabase(HTTPDatabase):
         db._delete()
         db.close()
 
+    def _allocate_doc_id(self):
+        """Generate a unique identifier for this document."""
+        return 'D-' + uuid.uuid4().hex  # 'D-' stands for document
+
     def get_sync_target(self):
         st = LeapSyncTarget(self._url.geturl())
         st._creds = self._creds