Added message to help users open notebook.

IPython/frontend/html/notebook/notebook.py

@@ -1,186 +1,187 b''
 import datetime
 import json
 import logging
 import os
 import urllib
 
 import zmq
 
 # Install the pyzmq ioloop. This has to be done before anything else from
 # tornado is imported.
 from zmq.eventloop import ioloop
 import tornado.ioloop
 tornado.ioloop = ioloop
 
 from tornado import httpserver
 from tornado import options
 from tornado import web
 from tornado import websocket
 
 from kernelmanager import KernelManager
 
 options.define("port", default=8888, help="run on the given port", type=int)
 
 _session_id_regex = r"(?P<session_id>\w+-\w+-\w+-\w+-\w+)"
 _kernel_id_regex = r"(?P<kernel_id>\w+)"
 
 
 class MainHandler(web.RequestHandler):
     def get(self):
         self.render('notebook.html')
 
 
 class BaseKernelHandler(object):
 
     def get_kernel(self):
         return self.application.kernel_manager
 
     def get_session(self, kernel_id):
         km = self.get_kernel()
         sm = km.get_session_manager(kernel_id)
         return sm
 
 
 class KernelHandler(web.RequestHandler, BaseKernelHandler):
 
     def get(self):
         self.write(json.dumps(self.get_kernel().kernel_ids))
 
     def post(self, *args, **kwargs):
         kernel_id = kwargs['kernel_id']
         self.get_kernel().start_kernel(kernel_id)
         logging.info("Starting kernel: %s" % kernel_id)
         self.write(json.dumps(kernel_id))
 
 
 class SessionHandler(web.RequestHandler, BaseKernelHandler):
 
     def get(self, *args, **kwargs):
         kernel_id = kwargs['kernel_id']
         self.write(json.dumps(self.get_session(kernel_id).session_ids))
 
     def post(self, *args, **kwargs):
         kernel_id = kwargs['kernel_id']
         sm = self.get_session(kernel_id)
         session_id = sm.start_session()
         logging.info("Starting session: %s, %s" % (kernel_id, session_id))
         self.write(json.dumps(session_id))
 
 
 class ZMQStreamHandler(websocket.WebSocketHandler, BaseKernelHandler):
 
     stream_name = ''
 
     def open(self, *args, **kwargs):
         kernel_id = kwargs['kernel_id']
         session_id = kwargs['session_id']
         logging.info("Connection open: %s, %s" % (kernel_id,session_id))
         sm = self.get_session(kernel_id)
         method_name = "get_%s_stream" % self.stream_name
         method = getattr(sm, method_name)
         self.zmq_stream = method(session_id)
         self.zmq_stream.on_recv(self._on_zmq_reply)
 
     def on_message(self, msg):
         logging.info("Message received: %r, %r" % (msg, self.__class__))
         logging.info(self.zmq_stream)
         self.zmq_stream.send_unicode(msg)
 
     def on_close(self):
         self.zmq_stream.close()
 
     def _on_zmq_reply(self, msg_list):
         for msg in msg_list:
             logging.info("Message reply: %r" % msg)
             self.write_message(msg)
 
 
 class IOPubStreamHandler(ZMQStreamHandler):
 
     stream_name = 'iopub'
 
 
 class ShellStreamHandler(ZMQStreamHandler):
 
     stream_name = 'shell'
 
 
 class NotebookRootHandler(web.RequestHandler):
 
     def get(self):
         files = os.listdir(os.getcwd())
         files = [file for file in files if file.endswith(".nb")]
         self.write(json.dumps(files))
 
 
 class NotebookHandler(web.RequestHandler):
 
     SUPPORTED_METHODS = ("GET", "DELETE", "PUT")
 
     def find_path(self, filename):
         filename = urllib.unquote(filename) + ".nb"
         path = os.path.join(os.getcwd(), filename)
         return path
 
     def get(self, filename):
         path = self.find_path(filename)
         if not os.path.isfile(path):
             raise web.HTTPError(404)
         info = os.stat(path)
         self.set_header("Content-Type", "application/unknown")
         self.set_header("Last-Modified", datetime.datetime.utcfromtimestamp(
             info.st_mtime))
         f = open(path, "r")
         try:
             self.finish(f.read())
         finally:
             f.close()
 
     def put(self, filename):
         path = self.find_path(filename)
         f = open(path, "w")
         f.write(self.request.body)
         f.close()
         self.finish()
 
     def delete(self, filename):
         path = self.find_path(filename)
         if not os.path.isfile(path):
             raise web.HTTPError(404)
         os.unlink(path)
         self.set_status(204)
         self.finish()
 
 
 class NotebookApplication(web.Application):
 
     def __init__(self):
         handlers = [
             (r"/", MainHandler),
             (r"/kernels/%s" % (_kernel_id_regex,), KernelHandler),
             (r"/kernels/%s/sessions" % (_kernel_id_regex,), SessionHandler),
             (r"/kernels/%s/sessions/%s/iopub" % (_kernel_id_regex,_session_id_regex), IOPubStreamHandler),
             (r"/kernels/%s/sessions/%s/shell" % (_kernel_id_regex,_session_id_regex), ShellStreamHandler),
             (r"/notebooks", NotebookRootHandler),
             (r"/notebooks/([^/]+)", NotebookHandler)
         ]
         settings = dict(
             template_path=os.path.join(os.path.dirname(__file__), "templates"),
             static_path=os.path.join(os.path.dirname(__file__), "static"),
         )
         web.Application.__init__(self, handlers, **settings)
         self.context = zmq.Context()
         self.kernel_manager = KernelManager(self.context)
 
 
 def main():
     options.parse_command_line()
     application = NotebookApplication()
     http_server = httpserver.HTTPServer(application)
     http_server.listen(options.options.port)
+    print "IPython Notebook running at: http://127.0.0.1:8888"
     ioloop.IOLoop.instance().start()
 
 
 if __name__ == "__main__":
     main()