1 files changed, 13 insertions, 0 deletions
diff --git a/openpgp/backend/util.py b/openpgp/backend/util.py
new file mode 100644
index 0000000..e4cc329
--- /dev/null
+++ b/openpgp/backend/util.py
@@ -0,0 +1,13 @@
+
+from __future__ import annotations
+
+
+def parse_uid(uid: str, compat=False) -> str:
+    if uid.startswith('xmpp:'):
+        return uid[5:]
+
+    # Compat with uids of form "Name <xmpp:my@jid.com>"
+    if compat and '<xmpp:' in uid and uid.endswith('>'):
+        return uid[:-1].split('<xmpp:', maxsplit=1)[1]
+
+    raise ValueError('Uknown UID format: %s' % uid)