Send the server version when a client connects.

gns3server/handlers/jsonrpc_websocket.py

@@ -22,8 +22,12 @@ JSON-RPC protocol over Websockets.
 import zmq
 import uuid
 import tornado.websocket
+from ..version import __version__
 from tornado.escape import json_decode
-from ..jsonrpc import JSONRPCParseError, JSONRPCInvalidRequest, JSONRPCMethodNotFound, JSONRPCNotification
+from ..jsonrpc import JSONRPCParseError
+from ..jsonrpc import JSONRPCInvalidRequest
+from ..jsonrpc import JSONRPCMethodNotFound
+from ..jsonrpc import JSONRPCNotification
 
 import logging
 log = logging.getLogger(__name__)
@@ -110,6 +114,8 @@ class JSONRPCWebSocket(tornado.websocket.WebSocketHandler):
         """
 
         log.info("Websocket client {} connected".format(self.session_id))
+        # send this server version when a client connects
+        self.write_message({"version": __version__})
         self.clients.add(self)
 
     def on_message(self, message):

gns3server/main.py

@@ -42,6 +42,9 @@ def locale_check():
 
     This is to prevent UnicodeEncodeError with unicode paths when using standard library I/O operation
     methods (e.g. os.stat() or os.path.*) which rely on the system or user locale.
+
+    More information can be found there: http://seasonofcode.com/posts/unicode-i-o-and-locales-in-python.html
+    or there: http://robjwells.com/post/61198832297/get-your-us-ascii-out-of-my-face
     """
 
     # no need to check on Windows
@@ -98,6 +101,8 @@ def main():
         tornado.options.print_help()
         raise SystemExit
 
+    # check for the correct locale
+    # (UNIX/Linux only)
     locale_check()
 
     from tornado.options import options