upstream/ipython Files · IPython/html/terminal/handlers.py

Fix race condition in javascript kernel message processing...

Fix race condition in javascript kernel message processing Because the binary messages are now deserialized using the asynchronous FileReader API, we need to have some way to force the messages to still be processed in the order they are received. This patch implements a simple processing queue using promises.

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             handlers.py
        
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             / IPython / html / terminal / handlers.py
          
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      #encoding: utf-8

      """Tornado handlers for the terminal emulator."""

      # Copyright (c) IPython Development Team.

      # Distributed under the terms of the Modified BSD License.

      import tornado

      from tornado import web

      import terminado

      from ..base.handlers import IPythonHandler

      class TerminalHandler(IPythonHandler):

          """Render the terminal interface."""

          @web.authenticated

          def get(self, term_name):

              self.write(self.render_template('terminal.html',

                         ws_path="terminals/websocket/%s" % term_name))

      class TermSocket(terminado.TermSocket, IPythonHandler):

          def get(self, *args, **kwargs):

              if not self.get_current_user():

                  raise web.HTTPError(403)

              return super(TermSocket, self).get(*args, **kwargs)

          def clear_cookie(self, *args, **kwargs):

              """meaningless for websockets"""

              pass

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				#encoding: utf-8
				"""Tornado handlers for the terminal emulator."""

				# Copyright (c) IPython Development Team.
				# Distributed under the terms of the Modified BSD License.

				import tornado
				from tornado import web
				import terminado
				from ..base.handlers import IPythonHandler

				class TerminalHandler(IPythonHandler):
				"""Render the terminal interface."""
				@web.authenticated
				def get(self, term_name):
				self.write(self.render_template('terminal.html',
				ws_path="terminals/websocket/%s" % term_name))

				class TermSocket(terminado.TermSocket, IPythonHandler):
				def get(self, args, *kwargs):
				if not self.get_current_user():
				raise web.HTTPError(403)
				return super(TermSocket, self).get(args, *kwargs)

				def clear_cookie(self, args, *kwargs):
				"""meaningless for websockets"""
				pass