Very early work on implementing websocket monitoring method.

lib/websocket/_ssl_compat.py

@@ -0,0 +1,45 @@
+"""
+websocket - WebSocket client library for Python
+
+Copyright (C) 2010 Hiroki Ohtani(liris)
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1335  USA
+
+"""
+
+__all__ = ["HAVE_SSL", "ssl", "SSLError"]
+
+try:
+    import ssl
+    from ssl import SSLError
+    if hasattr(ssl, 'SSLContext') and hasattr(ssl.SSLContext, 'check_hostname'):
+        HAVE_CONTEXT_CHECK_HOSTNAME = True
+    else:
+        HAVE_CONTEXT_CHECK_HOSTNAME = False
+        if hasattr(ssl, "match_hostname"):
+            from ssl import match_hostname
+        else:
+            from backports.ssl_match_hostname import match_hostname
+        __all__.append("match_hostname")
+    __all__.append("HAVE_CONTEXT_CHECK_HOSTNAME")
+
+    HAVE_SSL = True
+except ImportError:
+    # dummy class of SSLError for ssl none-support environment.
+    class SSLError(Exception):
+        pass
+
+    HAVE_SSL = False