1 files changed, 34 insertions, 0 deletions
diff --git a/scripts/external_libs/zmq/auth/ioloop.py b/scripts/external_libs/zmq/auth/ioloop.py
new file mode 100644
index 00000000..1f448b47
--- /dev/null
+++ b/scripts/external_libs/zmq/auth/ioloop.py
@@ -0,0 +1,34 @@
+"""ZAP Authenticator integrated with the tornado IOLoop.
+
+.. versionadded:: 14.1
+"""
+
+# Copyright (C) PyZMQ Developers
+# Distributed under the terms of the Modified BSD License.
+
+from zmq.eventloop import ioloop, zmqstream
+from .base import Authenticator
+
+
+class IOLoopAuthenticator(Authenticator):
+    """ZAP authentication for use in the tornado IOLoop"""
+
+    def __init__(self, context=None, encoding='utf-8', log=None, io_loop=None):
+        super(IOLoopAuthenticator, self).__init__(context)
+        self.zap_stream = None
+        self.io_loop = io_loop or ioloop.IOLoop.instance()
+
+    def start(self):
+        """Start ZAP authentication"""
+        super(IOLoopAuthenticator, self).start()
+        self.zap_stream = zmqstream.ZMQStream(self.zap_socket, self.io_loop)
+        self.zap_stream.on_recv(self.handle_zap_message)
+
+    def stop(self):
+        """Stop ZAP authentication"""
+        if self.zap_stream:
+            self.zap_stream.close()
+            self.zap_stream = None
+        super(IOLoopAuthenticator, self).stop()
+
+__all__ = ['IOLoopAuthenticator']