add simple example for show channels

examples/show_channels.py

@@ -0,0 +1,36 @@
+"""
+Example to get list of active channels
+"""
+import asterisk.manager
+import sys
+
+manager = asterisk.manager.Manager()
+
+try:
+    # connect to the manager
+    try:
+        manager.connect('localhost')
+        manager.login('user', 'secret')
+
+        # get a status report
+        response = manager.status()
+        print response
+        
+        response = manager.command('core show channels concise')
+        print response.data
+
+        manager.logoff()
+    except asterisk.manager.ManagerSocketException, (errno, reason):
+        print "Error connecting to the manager: %s" % reason
+        sys.exit(1)
+    except asterisk.manager.ManagerAuthException, reason:
+        print "Error logging in to the manager: %s" % reason
+        sys.exit(1)
+    except asterisk.manager.ManagerException, reason:
+        print "Error: %s" % reason
+        sys.exit(1)
+
+finally:
+    # remember to clean up
+    manager.close()
+