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diff --git a/lang/python/examples/signverify.py b/lang/python/examples/signverify.py
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+#!/usr/bin/env python
+#
+# Copyright (C) 2016 g10 Code GmbH
+# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+# Sample of unattended signing/verifying of a message.
+# It uses keys for joe+pyme@example.org generated by genkey.py script
+
+from __future__ import absolute_import, print_function, unicode_literals
+del absolute_import, print_function, unicode_literals
+
+import sys
+import pyme
+from pyme.constants.sig import mode
+
+user = "joe+pyme"
+
+with pyme.Context(pinentry_mode=pyme.constants.PINENTRY_MODE_LOOPBACK) as c:
+    keys = list(c.keylist(user))
+    if len(keys) == 0:
+        sys.exit("No key matching {}.".format(user))
+
+    c.signers = keys[:1]
+    c.set_passphrase_cb(lambda *args: "Crypt0R0cks")
+    signed_data, _ = c.sign(b"Test message", mode=mode.CLEAR)
+
+    data, result = c.verify(signed_data, verify=keys[:1])
+    print("Data: {!r}\nSignature: {!s}".format(data, result.signatures[0]))