Merge pull request #3089 from minrk/stdin

add stdin to the notebook

IPython/frontend/html/notebook/handlers.py

@@ -1,927 +1,924 b''
 """Tornado handlers for the notebook.
 
 Authors:
 
 * Brian Granger
 """
 
 #-----------------------------------------------------------------------------
 #  Copyright (C) 2008-2011  The IPython Development Team
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 import Cookie
 import datetime
 import email.utils
 import hashlib
 import logging
 import mimetypes
 import os
 import stat
 import threading
 import time
 import uuid
 
 from tornado.escape import url_escape
 from tornado import web
 from tornado import websocket
 
 try:
     from tornado.log import app_log
 except ImportError:
     app_log = logging.getLogger()
 
 from zmq.eventloop import ioloop
 from zmq.utils import jsonapi
 
 from IPython.config import Application
 from IPython.external.decorator import decorator
 from IPython.kernel.zmq.session import Session
 from IPython.lib.security import passwd_check
 from IPython.utils.jsonutil import date_default
 from IPython.utils.path import filefind
 from IPython.utils.py3compat import PY3
 
 try:
     from docutils.core import publish_string
 except ImportError:
     publish_string = None
 
 #-----------------------------------------------------------------------------
 # Monkeypatch for Tornado <= 2.1.1 - Remove when no longer necessary!
 #-----------------------------------------------------------------------------
 
 # Google Chrome, as of release 16, changed its websocket protocol number.  The
 # parts tornado cares about haven't really changed, so it's OK to continue
 # accepting Chrome connections, but as of Tornado 2.1.1 (the currently released
 # version as of Oct 30/2011) the version check fails, see the issue report:
 
 # https://github.com/facebook/tornado/issues/385
 
 # This issue has been fixed in Tornado post 2.1.1:
 
 # https://github.com/facebook/tornado/commit/84d7b458f956727c3b0d6710
 
 # Here we manually apply the same patch as above so that users of IPython can
 # continue to work with an officially released Tornado.  We make the
 # monkeypatch version check as narrow as possible to limit its effects; once
 # Tornado 2.1.1 is no longer found in the wild we'll delete this code.
 
 import tornado
 
 if tornado.version_info <= (2,1,1):
 
     def _execute(self, transforms, *args, **kwargs):
         from tornado.websocket import WebSocketProtocol8, WebSocketProtocol76
         
         self.open_args = args
         self.open_kwargs = kwargs
 
         # The difference between version 8 and 13 is that in 8 the
         # client sends a "Sec-Websocket-Origin" header and in 13 it's
         # simply "Origin".
         if self.request.headers.get("Sec-WebSocket-Version") in ("7", "8", "13"):
             self.ws_connection = WebSocketProtocol8(self)
             self.ws_connection.accept_connection()
             
         elif self.request.headers.get("Sec-WebSocket-Version"):
             self.stream.write(tornado.escape.utf8(
                 "HTTP/1.1 426 Upgrade Required\r\n"
                 "Sec-WebSocket-Version: 8\r\n\r\n"))
             self.stream.close()
             
         else:
             self.ws_connection = WebSocketProtocol76(self)
             self.ws_connection.accept_connection()
 
     websocket.WebSocketHandler._execute = _execute
     del _execute
 
 #-----------------------------------------------------------------------------
 # Decorator for disabling read-only handlers
 #-----------------------------------------------------------------------------
 
 @decorator
 def not_if_readonly(f, self, *args, **kwargs):
     if self.settings.get('read_only', False):
         raise web.HTTPError(403, "Notebook server is read-only")
     else:
         return f(self, *args, **kwargs)
 
 @decorator
 def authenticate_unless_readonly(f, self, *args, **kwargs):
     """authenticate this page *unless* readonly view is active.
     
     In read-only mode, the notebook list and print view should
     be accessible without authentication.
     """
     
     @web.authenticated
     def auth_f(self, *args, **kwargs):
         return f(self, *args, **kwargs)
 
     if self.settings.get('read_only', False):
         return f(self, *args, **kwargs)
     else:
         return auth_f(self, *args, **kwargs)
 
 def urljoin(*pieces):
     """Join components of url into a relative url
 
     Use to prevent double slash when joining subpath
     """
     striped = [s.strip('/') for s in pieces]
     return '/'.join(s for s in striped if s)
 
 #-----------------------------------------------------------------------------
 # Top-level handlers
 #-----------------------------------------------------------------------------
 
 class RequestHandler(web.RequestHandler):
     """RequestHandler with default variable setting."""
 
     def render(*args, **kwargs):
         kwargs.setdefault('message', '')
         return web.RequestHandler.render(*args, **kwargs)
 
 class AuthenticatedHandler(RequestHandler):
     """A RequestHandler with an authenticated user."""
 
     def clear_login_cookie(self):
         self.clear_cookie(self.cookie_name)
     
     def get_current_user(self):
         user_id = self.get_secure_cookie(self.cookie_name)
         # For now the user_id should not return empty, but it could eventually
         if user_id == '':
             user_id = 'anonymous'
         if user_id is None:
             # prevent extra Invalid cookie sig warnings:
             self.clear_login_cookie()
             if not self.read_only and not self.login_available:
                 user_id = 'anonymous'
         return user_id
 
     @property
     def cookie_name(self):
         return self.settings.get('cookie_name', '')
     
     @property
     def password(self):
         """our password"""
         return self.settings.get('password', '')
     
     @property
     def logged_in(self):
         """Is a user currently logged in?
 
         """
         user = self.get_current_user()
         return (user and not user == 'anonymous')
 
     @property
     def login_available(self):
         """May a user proceed to log in?
 
         This returns True if login capability is available, irrespective of
         whether the user is already logged in or not.
 
         """
         return bool(self.settings.get('password', ''))
 
     @property
     def read_only(self):
         """Is the notebook read-only?
 
         """
         return self.settings.get('read_only', False)
 
 
 class IPythonHandler(AuthenticatedHandler):
     """IPython-specific extensions to authenticated handling
     
     Mostly property shortcuts to IPython-specific settings.
     """
     
     @property
     def config(self):
         return self.settings.get('config', None)
     
     @property
     def log(self):
         """use the IPython log by default, falling back on tornado's logger"""
         if Application.initialized():
             return Application.instance().log
         else:
             return app_log
     
     @property
     def use_less(self):
         """Use less instead of css in templates"""
         return self.settings.get('use_less', False)
     
     #---------------------------------------------------------------
     # URLs
     #---------------------------------------------------------------
     
     @property
     def ws_url(self):
         """websocket url matching the current request
 
         turns http[s]://host[:port] into
                 ws[s]://host[:port]
         """
         proto = self.request.protocol.replace('http', 'ws')
         host = self.settings.get('websocket_host', '')
         # default to config value
         if host == '':
             host = self.request.host # get from request
         return "%s://%s" % (proto, host)
     
     @property
     def mathjax_url(self):
         return self.settings.get('mathjax_url', '')
     
     @property
     def base_project_url(self):
         return self.settings.get('base_project_url', '/')
     
     @property
     def base_kernel_url(self):
         return self.settings.get('base_kernel_url', '/')
     
     #---------------------------------------------------------------
     # Manager objects
     #---------------------------------------------------------------
     
     @property
     def kernel_manager(self):
         return self.settings['kernel_manager']
 
     @property
     def notebook_manager(self):
         return self.settings['notebook_manager']
     
     @property
     def cluster_manager(self):
         return self.settings['cluster_manager']
     
     @property
     def project(self):
         return self.notebook_manager.notebook_dir
     
     #---------------------------------------------------------------
     # template rendering
     #---------------------------------------------------------------
     
     def get_template(self, name):
         """Return the jinja template object for a given name"""
         return self.settings['jinja2_env'].get_template(name)
     
     def render_template(self, name, **ns):
         ns.update(self.template_namespace)
         template = self.get_template(name)
         return template.render(**ns)
     
     @property
     def template_namespace(self):
         return dict(
             base_project_url=self.base_project_url,
             base_kernel_url=self.base_kernel_url,
             read_only=self.read_only,
             logged_in=self.logged_in,
             login_available=self.login_available,
             use_less=self.use_less,
         )
 
 class AuthenticatedFileHandler(IPythonHandler, web.StaticFileHandler):
     """static files should only be accessible when logged in"""
 
     @authenticate_unless_readonly
     def get(self, path):
         return web.StaticFileHandler.get(self, path)
 
 
 class ProjectDashboardHandler(IPythonHandler):
 
     @authenticate_unless_readonly
     def get(self):
         self.write(self.render_template('projectdashboard.html',
             project=self.project,
             project_component=self.project.split('/'),
         ))
 
 
 class LoginHandler(IPythonHandler):
 
     def _render(self, message=None):
         self.write(self.render_template('login.html',
                 next=url_escape(self.get_argument('next', default=self.base_project_url)),
                 message=message,
         ))
 
     def get(self):
         if self.current_user:
             self.redirect(self.get_argument('next', default=self.base_project_url))
         else:
             self._render()
 
     def post(self):
         pwd = self.get_argument('password', default=u'')
         if self.login_available:
             if passwd_check(self.password, pwd):
                 self.set_secure_cookie(self.cookie_name, str(uuid.uuid4()))
             else:
                 self._render(message={'error': 'Invalid password'})
                 return
 
         self.redirect(self.get_argument('next', default=self.base_project_url))
 
 
 class LogoutHandler(IPythonHandler):
 
     def get(self):
         self.clear_login_cookie()
         if self.login_available:
             message = {'info': 'Successfully logged out.'}
         else:
             message = {'warning': 'Cannot log out.  Notebook authentication '
                        'is disabled.'}
         self.write(self.render_template('logout.html',
                     message=message))
 
 
 class NewHandler(IPythonHandler):
 
     @web.authenticated
     def get(self):
         notebook_id = self.notebook_manager.new_notebook()
         self.redirect('/' + urljoin(self.base_project_url, notebook_id))
 
 class NamedNotebookHandler(IPythonHandler):
 
     @authenticate_unless_readonly
     def get(self, notebook_id):
         nbm = self.notebook_manager
         if not nbm.notebook_exists(notebook_id):
             raise web.HTTPError(404, u'Notebook does not exist: %s' % notebook_id)       
         self.write(self.render_template('notebook.html',
             project=self.project,
             notebook_id=notebook_id,
             kill_kernel=False,
             mathjax_url=self.mathjax_url,
             )
         )
 
 
 class PrintNotebookHandler(IPythonHandler):
 
     @authenticate_unless_readonly
     def get(self, notebook_id):
         if not self.notebook_manager.notebook_exists(notebook_id):
             raise web.HTTPError(404, u'Notebook does not exist: %s' % notebook_id)        
         self.write( self.render_template('printnotebook.html',
             project=self.project,
             notebook_id=notebook_id,
             kill_kernel=False,
             mathjax_url=self.mathjax_url,
         ))
 
 #-----------------------------------------------------------------------------
 # Kernel handlers
 #-----------------------------------------------------------------------------
 
 
 class MainKernelHandler(IPythonHandler):
 
     @web.authenticated
     def get(self):
         km = self.kernel_manager
         self.finish(jsonapi.dumps(km.list_kernel_ids()))
 
     @web.authenticated
     def post(self):
         km = self.kernel_manager
         nbm = self.notebook_manager
         notebook_id = self.get_argument('notebook', default=None)
         kernel_id = km.start_kernel(notebook_id, cwd=nbm.notebook_dir)
         data = {'ws_url':self.ws_url,'kernel_id':kernel_id}
         self.set_header('Location', '/'+kernel_id)
         self.finish(jsonapi.dumps(data))
 
 
 class KernelHandler(IPythonHandler):
 
     SUPPORTED_METHODS = ('DELETE')
 
     @web.authenticated
     def delete(self, kernel_id):
         km = self.kernel_manager
         km.shutdown_kernel(kernel_id)
         self.set_status(204)
         self.finish()
 
 
 class KernelActionHandler(IPythonHandler):
 
     @web.authenticated
     def post(self, kernel_id, action):
         km = self.kernel_manager
         if action == 'interrupt':
             km.interrupt_kernel(kernel_id)
             self.set_status(204)
         if action == 'restart':
             km.restart_kernel(kernel_id)
             data = {'ws_url':self.ws_url, 'kernel_id':kernel_id}
             self.set_header('Location', '/'+kernel_id)
             self.write(jsonapi.dumps(data))
         self.finish()
 
 
 class ZMQStreamHandler(websocket.WebSocketHandler):
     
     def clear_cookie(self, *args, **kwargs):
         """meaningless for websockets"""
         pass
 
     def _reserialize_reply(self, msg_list):
         """Reserialize a reply message using JSON.
 
         This takes the msg list from the ZMQ socket, unserializes it using
         self.session and then serializes the result using JSON. This method
         should be used by self._on_zmq_reply to build messages that can
         be sent back to the browser.
         """
         idents, msg_list = self.session.feed_identities(msg_list)
         msg = self.session.unserialize(msg_list)
         try:
             msg['header'].pop('date')
         except KeyError:
             pass
         try:
             msg['parent_header'].pop('date')
         except KeyError:
             pass
         msg.pop('buffers')
         return jsonapi.dumps(msg, default=date_default)
 
     def _on_zmq_reply(self, msg_list):
         # Sometimes this gets triggered when the on_close method is scheduled in the
         # eventloop but hasn't been called.
         if self.stream.closed(): return
         try:
             msg = self._reserialize_reply(msg_list)
         except Exception:
             self.log.critical("Malformed message: %r" % msg_list, exc_info=True)
         else:
             self.write_message(msg)
 
     def allow_draft76(self):
         """Allow draft 76, until browsers such as Safari update to RFC 6455.
         
         This has been disabled by default in tornado in release 2.2.0, and
         support will be removed in later versions.
         """
         return True
 
 
 class AuthenticatedZMQStreamHandler(ZMQStreamHandler, IPythonHandler):
 
     def open(self, kernel_id):
         self.kernel_id = kernel_id.decode('ascii')
         self.session = Session(config=self.config)
         self.save_on_message = self.on_message
         self.on_message = self.on_first_message
 
     def _inject_cookie_message(self, msg):
         """Inject the first message, which is the document cookie,
         for authentication."""
         if not PY3 and isinstance(msg, unicode):
             # Cookie constructor doesn't accept unicode strings
             # under Python 2.x for some reason
             msg = msg.encode('utf8', 'replace')
         try:
+            identity, msg = msg.split(':', 1)
+            self.session.session = identity.decode('ascii')
+        except Exception:
+            logging.error("First ws message didn't have the form 'identity:[cookie]' - %r", msg)
+        
+        try:
             self.request._cookies = Cookie.SimpleCookie(msg)
         except:
             self.log.warn("couldn't parse cookie string: %s",msg, exc_info=True)
 
     def on_first_message(self, msg):
         self._inject_cookie_message(msg)
         if self.get_current_user() is None:
             self.log.warn("Couldn't authenticate WebSocket connection")
             raise web.HTTPError(403)
         self.on_message = self.save_on_message
 
 
-class IOPubHandler(AuthenticatedZMQStreamHandler):
+class ZMQChannelHandler(AuthenticatedZMQStreamHandler):
+    
+    @property
+    def max_msg_size(self):
+        return self.settings.get('max_msg_size', 65535)
+    
+    def create_stream(self):
+        km = self.kernel_manager
+        meth = getattr(km, 'connect_%s' % self.channel)
+        self.zmq_stream = meth(self.kernel_id, identity=self.session.bsession)
 
     def initialize(self, *args, **kwargs):
-        self.iopub_stream = None
+        self.zmq_stream = None
 
     def on_first_message(self, msg):
         try:
-            super(IOPubHandler, self).on_first_message(msg)
+            super(ZMQChannelHandler, self).on_first_message(msg)
         except web.HTTPError:
             self.close()
             return
-        km = self.kernel_manager
-        kernel_id = self.kernel_id
-        km.add_restart_callback(kernel_id, self.on_kernel_restarted)
-        km.add_restart_callback(kernel_id, self.on_restart_failed, 'dead')
         try:
-            self.iopub_stream = km.connect_iopub(kernel_id)
+            self.create_stream()
         except web.HTTPError:
             # WebSockets don't response to traditional error codes so we
             # close the connection.
             if not self.stream.closed():
                 self.stream.close()
             self.close()
         else:
-            self.iopub_stream.on_recv(self._on_zmq_reply)
+            self.zmq_stream.on_recv(self._on_zmq_reply)
 
     def on_message(self, msg):
-        pass
-
-    def _send_status_message(self, status):
-        msg = self.session.msg("status",
-            {'execution_state': status}
-        )
-        self.write_message(jsonapi.dumps(msg, default=date_default))
-
-    def on_kernel_restarted(self):
-        self.log.warn("kernel %s restarted", self.kernel_id)
-        self._send_status_message('restarting')
-
-    def on_restart_failed(self):
-        self.log.error("kernel %s restarted failed!", self.kernel_id)
-        self._send_status_message('dead')
+        if len(msg) < self.max_msg_size:
+            msg = jsonapi.loads(msg)
+            self.session.send(self.zmq_stream, msg)
 
     def on_close(self):
         # This method can be called twice, once by self.kernel_died and once
         # from the WebSocket close event. If the WebSocket connection is
         # closed before the ZMQ streams are setup, they could be None.
+        if self.zmq_stream is not None and not self.zmq_stream.closed():
+            self.zmq_stream.on_recv(None)
+            self.zmq_stream.close()
+
+
+class IOPubHandler(ZMQChannelHandler):
+    channel = 'iopub'
+    
+    def create_stream(self):
+        super(IOPubHandler, self).create_stream()
+        km = self.kernel_manager
+        km.add_restart_callback(self.kernel_id, self.on_kernel_restarted)
+        km.add_restart_callback(self.kernel_id, self.on_restart_failed, 'dead')
+    
+    def on_close(self):
         km = self.kernel_manager
         if self.kernel_id in km:
             km.remove_restart_callback(
                 self.kernel_id, self.on_kernel_restarted,
             )
             km.remove_restart_callback(
                 self.kernel_id, self.on_restart_failed, 'dead',
             )
-        if self.iopub_stream is not None and not self.iopub_stream.closed():
-            self.iopub_stream.on_recv(None)
-            self.iopub_stream.close()
-
-
-class ShellHandler(AuthenticatedZMQStreamHandler):
+        super(IOPubHandler, self).on_close()
     
-    @property
-    def max_msg_size(self):
-        return self.settings.get('max_msg_size', 65535)
+    def _send_status_message(self, status):
+        msg = self.session.msg("status",
+            {'execution_state': status}
+        )
+        self.write_message(jsonapi.dumps(msg, default=date_default))
 
-    def initialize(self, *args, **kwargs):
-        self.shell_stream = None
+    def on_kernel_restarted(self):
+        logging.warn("kernel %s restarted", self.kernel_id)
+        self._send_status_message('restarting')
 
-    def on_first_message(self, msg):
-        try:
-            super(ShellHandler, self).on_first_message(msg)
-        except web.HTTPError:
-            self.close()
-            return
-        km = self.kernel_manager
-        kernel_id = self.kernel_id
-        try:
-            self.shell_stream = km.connect_shell(kernel_id)
-        except web.HTTPError:
-            # WebSockets don't response to traditional error codes so we
-            # close the connection.
-            if not self.stream.closed():
-                self.stream.close()
-            self.close()
-        else:
-            self.shell_stream.on_recv(self._on_zmq_reply)
+    def on_restart_failed(self):
+        logging.error("kernel %s restarted failed!", self.kernel_id)
+        self._send_status_message('dead')
 
     def on_message(self, msg):
-        if len(msg) < self.max_msg_size:
-            msg = jsonapi.loads(msg)
-            self.session.send(self.shell_stream, msg)
+        """IOPub messages make no sense"""
+        pass
 
-    def on_close(self):
-        # Make sure the stream exists and is not already closed.
-        if self.shell_stream is not None and not self.shell_stream.closed():
-            self.shell_stream.close()
+class ShellHandler(ZMQChannelHandler):
+    channel = 'shell'
+
+class StdinHandler(ZMQChannelHandler):
+    channel = 'stdin'
 
 
 #-----------------------------------------------------------------------------
 # Notebook web service handlers
 #-----------------------------------------------------------------------------
 
 class NotebookRedirectHandler(IPythonHandler):
     
     @authenticate_unless_readonly
     def get(self, notebook_name):
         # strip trailing .ipynb:
         notebook_name = os.path.splitext(notebook_name)[0]
         notebook_id = self.notebook_manager.rev_mapping.get(notebook_name, '')
         if notebook_id:
             url = self.settings.get('base_project_url', '/') + notebook_id
             return self.redirect(url)
         else:
             raise HTTPError(404)
 
 
 class NotebookRootHandler(IPythonHandler):
 
     @authenticate_unless_readonly
     def get(self):
         nbm = self.notebook_manager
         km = self.kernel_manager
         files = nbm.list_notebooks()
         for f in files :
             f['kernel_id'] = km.kernel_for_notebook(f['notebook_id'])
         self.finish(jsonapi.dumps(files))
 
     @web.authenticated
     def post(self):
         nbm = self.notebook_manager
         body = self.request.body.strip()
         format = self.get_argument('format', default='json')
         name = self.get_argument('name', default=None)
         if body:
             notebook_id = nbm.save_new_notebook(body, name=name, format=format)
         else:
             notebook_id = nbm.new_notebook()
         self.set_header('Location', '/'+notebook_id)
         self.finish(jsonapi.dumps(notebook_id))
 
 
 class NotebookHandler(IPythonHandler):
 
     SUPPORTED_METHODS = ('GET', 'PUT', 'DELETE')
 
     @authenticate_unless_readonly
     def get(self, notebook_id):
         nbm = self.notebook_manager
         format = self.get_argument('format', default='json')
         last_mod, name, data = nbm.get_notebook(notebook_id, format)
         
         if format == u'json':
             self.set_header('Content-Type', 'application/json')
             self.set_header('Content-Disposition','attachment; filename="%s.ipynb"' % name)
         elif format == u'py':
             self.set_header('Content-Type', 'application/x-python')
             self.set_header('Content-Disposition','attachment; filename="%s.py"' % name)
         self.set_header('Last-Modified', last_mod)
         self.finish(data)
 
     @web.authenticated
     def put(self, notebook_id):
         nbm = self.notebook_manager
         format = self.get_argument('format', default='json')
         name = self.get_argument('name', default=None)
         nbm.save_notebook(notebook_id, self.request.body, name=name, format=format)
         self.set_status(204)
         self.finish()
 
     @web.authenticated
     def delete(self, notebook_id):
         self.notebook_manager.delete_notebook(notebook_id)
         self.set_status(204)
         self.finish()
 
 
 class NotebookCopyHandler(IPythonHandler):
 
     @web.authenticated
     def get(self, notebook_id):
         notebook_id = self.notebook_manager.copy_notebook(notebook_id)
         self.redirect('/'+urljoin(self.base_project_url, notebook_id))
 
 
 #-----------------------------------------------------------------------------
 # Cluster handlers
 #-----------------------------------------------------------------------------
 
 
 class MainClusterHandler(IPythonHandler):
 
     @web.authenticated
     def get(self):
         self.finish(jsonapi.dumps(self.cluster_manager.list_profiles()))
 
 
 class ClusterProfileHandler(IPythonHandler):
 
     @web.authenticated
     def get(self, profile):
         self.finish(jsonapi.dumps(self.cluster_manager.profile_info(profile)))
 
 
 class ClusterActionHandler(IPythonHandler):
 
     @web.authenticated
     def post(self, profile, action):
         cm = self.cluster_manager
         if action == 'start':
             n = self.get_argument('n',default=None)
             if n is None:
                 data = cm.start_cluster(profile)
             else:
                 data = cm.start_cluster(profile, int(n))
         if action == 'stop':
             data = cm.stop_cluster(profile)
         self.finish(jsonapi.dumps(data))
 
 
 #-----------------------------------------------------------------------------
 # RST web service handlers
 #-----------------------------------------------------------------------------
 
 
 class RSTHandler(IPythonHandler):
 
     @web.authenticated
     def post(self):
         if publish_string is None:
             raise web.HTTPError(503, u'docutils not available')
         body = self.request.body.strip()
         source = body
         # template_path=os.path.join(os.path.dirname(__file__), u'templates', u'rst_template.html')
         defaults = {'file_insertion_enabled': 0,
                     'raw_enabled': 0,
                     '_disable_config': 1,
                     'stylesheet_path': 0
                     # 'template': template_path
         }
         try:
             html = publish_string(source, writer_name='html',
                                   settings_overrides=defaults
             )
         except:
             raise web.HTTPError(400, u'Invalid RST')
         print html
         self.set_header('Content-Type', 'text/html')
         self.finish(html)
 
 # to minimize subclass changes:
 HTTPError = web.HTTPError
 
 class FileFindHandler(web.StaticFileHandler):
     """subclass of StaticFileHandler for serving files from a search path"""
     
     _static_paths = {}
     # _lock is needed for tornado < 2.2.0 compat
     _lock = threading.Lock()  # protects _static_hashes
     
     def initialize(self, path, default_filename=None):
         if isinstance(path, basestring):
             path = [path]
         self.roots = tuple(
             os.path.abspath(os.path.expanduser(p)) + os.path.sep for p in path
         )
         self.default_filename = default_filename
     
     @classmethod
     def locate_file(cls, path, roots):
         """locate a file to serve on our static file search path"""
         with cls._lock:
             if path in cls._static_paths:
                 return cls._static_paths[path]
             try:
                 abspath = os.path.abspath(filefind(path, roots))
             except IOError:
                 # empty string should always give exists=False
                 return ''
         
             # os.path.abspath strips a trailing /
             # it needs to be temporarily added back for requests to root/
             if not (abspath + os.path.sep).startswith(roots):
                 raise HTTPError(403, "%s is not in root static directory", path)
         
             cls._static_paths[path] = abspath
             return abspath
     
     def get(self, path, include_body=True):
         path = self.parse_url_path(path)
         
         # begin subclass override
         abspath = self.locate_file(path, self.roots)
         # end subclass override
         
         if os.path.isdir(abspath) and self.default_filename is not None:
             # need to look at the request.path here for when path is empty
             # but there is some prefix to the path that was already
             # trimmed by the routing
             if not self.request.path.endswith("/"):
                 self.redirect(self.request.path + "/")
                 return
             abspath = os.path.join(abspath, self.default_filename)
         if not os.path.exists(abspath):
             raise HTTPError(404)
         if not os.path.isfile(abspath):
             raise HTTPError(403, "%s is not a file", path)
 
         stat_result = os.stat(abspath)
         modified = datetime.datetime.utcfromtimestamp(stat_result[stat.ST_MTIME])
 
         self.set_header("Last-Modified", modified)
 
         mime_type, encoding = mimetypes.guess_type(abspath)
         if mime_type:
             self.set_header("Content-Type", mime_type)
 
         cache_time = self.get_cache_time(path, modified, mime_type)
 
         if cache_time > 0:
             self.set_header("Expires", datetime.datetime.utcnow() + \
                                        datetime.timedelta(seconds=cache_time))
             self.set_header("Cache-Control", "max-age=" + str(cache_time))
         else:
             self.set_header("Cache-Control", "public")
 
         self.set_extra_headers(path)
 
         # Check the If-Modified-Since, and don't send the result if the
         # content has not been modified
         ims_value = self.request.headers.get("If-Modified-Since")
         if ims_value is not None:
             date_tuple = email.utils.parsedate(ims_value)
             if_since = datetime.datetime(*date_tuple[:6])
             if if_since >= modified:
                 self.set_status(304)
                 return
 
         with open(abspath, "rb") as file:
             data = file.read()
             hasher = hashlib.sha1()
             hasher.update(data)
             self.set_header("Etag", '"%s"' % hasher.hexdigest())
             if include_body:
                 self.write(data)
             else:
                 assert self.request.method == "HEAD"
                 self.set_header("Content-Length", len(data))
 
     @classmethod
     def get_version(cls, settings, path):
         """Generate the version string to be used in static URLs.
 
         This method may be overridden in subclasses (but note that it
         is a class method rather than a static method).  The default
         implementation uses a hash of the file's contents.
 
         ``settings`` is the `Application.settings` dictionary and ``path``
         is the relative location of the requested asset on the filesystem.
         The returned value should be a string, or ``None`` if no version
         could be determined.
         """
         # begin subclass override:
         static_paths = settings['static_path']
         if isinstance(static_paths, basestring):
             static_paths = [static_paths]
         roots = tuple(
             os.path.abspath(os.path.expanduser(p)) + os.path.sep for p in static_paths
         )
 
         try:
             abs_path = filefind(path, roots)
         except IOError:
             app_log.error("Could not find static file %r", path)
             return None
         
         # end subclass override
         
         with cls._lock:
             hashes = cls._static_hashes
             if abs_path not in hashes:
                 try:
                     f = open(abs_path, "rb")
                     hashes[abs_path] = hashlib.md5(f.read()).hexdigest()
                     f.close()
                 except Exception:
                     app_log.error("Could not open static file %r", path)
                     hashes[abs_path] = None
             hsh = hashes.get(abs_path)
             if hsh:
                 return hsh[:5]
         return None
 
 
     def parse_url_path(self, url_path):
         """Converts a static URL path into a filesystem path.
 
         ``url_path`` is the path component of the URL with
         ``static_url_prefix`` removed.  The return value should be
         filesystem path relative to ``static_path``.
         """
         if os.path.sep != "/":
             url_path = url_path.replace("/", os.path.sep)
         return url_path
 
 

IPython/frontend/html/notebook/notebookapp.py

@@ -1,740 +1,741 b''
 # coding: utf-8
 """A tornado based IPython notebook server.
 
 Authors:
 
 * Brian Granger
 """
 #-----------------------------------------------------------------------------
 #  Copyright (C) 2008-2011  The IPython Development Team
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 # stdlib
 import errno
 import logging
 import os
 import random
 import re
 import select
 import signal
 import socket
 import sys
 import threading
 import time
 import uuid
 import webbrowser
 
 
 # Third party
 # check for pyzmq 2.1.11
 from IPython.utils.zmqrelated import check_for_zmq
 check_for_zmq('2.1.11', 'IPython.frontend.html.notebook')
 
 import zmq
 from jinja2 import Environment, FileSystemLoader
 
 # Install the pyzmq ioloop. This has to be done before anything else from
 # tornado is imported.
 from zmq.eventloop import ioloop
 ioloop.install()
 
 # check for tornado 2.1.0
 msg = "The IPython Notebook requires tornado >= 2.1.0"
 try:
     import tornado
 except ImportError:
     raise ImportError(msg)
 try:
     version_info = tornado.version_info
 except AttributeError:
     raise ImportError(msg + ", but you have < 1.1.0")
 if version_info < (2,1,0):
     raise ImportError(msg + ", but you have %s" % tornado.version)
 
 from tornado import httpserver
 from tornado import web
 
 # Our own libraries
 from IPython.frontend.html.notebook import DEFAULT_STATIC_FILES_PATH
 from .kernelmanager import MappingKernelManager
 from .handlers import (LoginHandler, LogoutHandler,
     ProjectDashboardHandler, NewHandler, NamedNotebookHandler,
-    MainKernelHandler, KernelHandler, KernelActionHandler, IOPubHandler,
+    MainKernelHandler, KernelHandler, KernelActionHandler, IOPubHandler, StdinHandler,
     ShellHandler, NotebookRootHandler, NotebookHandler, NotebookCopyHandler,
     RSTHandler, AuthenticatedFileHandler, PrintNotebookHandler,
     MainClusterHandler, ClusterProfileHandler, ClusterActionHandler,
     FileFindHandler, NotebookRedirectHandler,
 )
 from .nbmanager import NotebookManager
 from .filenbmanager import FileNotebookManager
 from .clustermanager import ClusterManager
 
 from IPython.config.application import catch_config_error, boolean_flag
 from IPython.core.application import BaseIPythonApplication
 from IPython.core.profiledir import ProfileDir
 from IPython.frontend.consoleapp import IPythonConsoleApp
 from IPython.kernel import swallow_argv
 from IPython.kernel.zmq.session import Session, default_secure
 from IPython.kernel.zmq.zmqshell import ZMQInteractiveShell
 from IPython.kernel.zmq.kernelapp import (
     kernel_flags,
     kernel_aliases,
     IPKernelApp
 )
 from IPython.utils.importstring import import_item
 from IPython.utils.localinterfaces import LOCALHOST
 from IPython.utils.traitlets import (
     Dict, Unicode, Integer, List, Enum, Bool,
     DottedObjectName
 )
 from IPython.utils import py3compat
 from IPython.utils.path import filefind
 
 #-----------------------------------------------------------------------------
 # Module globals
 #-----------------------------------------------------------------------------
 
 _kernel_id_regex = r"(?P<kernel_id>\w+-\w+-\w+-\w+-\w+)"
 _kernel_action_regex = r"(?P<action>restart|interrupt)"
 _notebook_id_regex = r"(?P<notebook_id>\w+-\w+-\w+-\w+-\w+)"
 _notebook_name_regex = r"(?P<notebook_name>.+\.ipynb)"
 _profile_regex = r"(?P<profile>[^\/]+)" # there is almost no text that is invalid
 _cluster_action_regex = r"(?P<action>start|stop)"
 
 _examples = """
 ipython notebook                       # start the notebook
 ipython notebook --profile=sympy       # use the sympy profile
 ipython notebook --pylab=inline        # pylab in inline plotting mode
 ipython notebook --certfile=mycert.pem # use SSL/TLS certificate
 ipython notebook --port=5555 --ip=*    # Listen on port 5555, all interfaces
 """
 
 #-----------------------------------------------------------------------------
 # Helper functions
 #-----------------------------------------------------------------------------
 
 def url_path_join(a,b):
     if a.endswith('/') and b.startswith('/'):
         return a[:-1]+b
     else:
         return a+b
 
 def random_ports(port, n):
     """Generate a list of n random ports near the given port.
 
     The first 5 ports will be sequential, and the remaining n-5 will be
     randomly selected in the range [port-2*n, port+2*n].
     """
     for i in range(min(5, n)):
         yield port + i
     for i in range(n-5):
         yield port + random.randint(-2*n, 2*n)
 
 #-----------------------------------------------------------------------------
 # The Tornado web application
 #-----------------------------------------------------------------------------
 
 class NotebookWebApplication(web.Application):
 
     def __init__(self, ipython_app, kernel_manager, notebook_manager,
                  cluster_manager, log,
                  base_project_url, settings_overrides):
         handlers = [
             (r"/", ProjectDashboardHandler),
             (r"/login", LoginHandler),
             (r"/logout", LogoutHandler),
             (r"/new", NewHandler),
             (r"/%s" % _notebook_id_regex, NamedNotebookHandler),
             (r"/%s" % _notebook_name_regex, NotebookRedirectHandler),
             (r"/%s/copy" % _notebook_id_regex, NotebookCopyHandler),
             (r"/%s/print" % _notebook_id_regex, PrintNotebookHandler),
             (r"/kernels", MainKernelHandler),
             (r"/kernels/%s" % _kernel_id_regex, KernelHandler),
             (r"/kernels/%s/%s" % (_kernel_id_regex, _kernel_action_regex), KernelActionHandler),
             (r"/kernels/%s/iopub" % _kernel_id_regex, IOPubHandler),
             (r"/kernels/%s/shell" % _kernel_id_regex, ShellHandler),
+            (r"/kernels/%s/stdin" % _kernel_id_regex, StdinHandler),
             (r"/notebooks", NotebookRootHandler),
             (r"/notebooks/%s" % _notebook_id_regex, NotebookHandler),
             (r"/rstservice/render", RSTHandler),
             (r"/files/(.*)", AuthenticatedFileHandler, {'path' : notebook_manager.notebook_dir}),
             (r"/clusters", MainClusterHandler),
             (r"/clusters/%s/%s" % (_profile_regex, _cluster_action_regex), ClusterActionHandler),
             (r"/clusters/%s" % _profile_regex, ClusterProfileHandler),
         ]
 
         # Python < 2.6.5 doesn't accept unicode keys in f(**kwargs), and
         # base_project_url will always be unicode, which will in turn
         # make the patterns unicode, and ultimately result in unicode
         # keys in kwargs to handler._execute(**kwargs) in tornado.
         # This enforces that base_project_url be ascii in that situation.
         # 
         # Note that the URLs these patterns check against are escaped,
         # and thus guaranteed to be ASCII: 'héllo' is really 'h%C3%A9llo'.
         base_project_url = py3compat.unicode_to_str(base_project_url, 'ascii')
         template_path = os.path.join(os.path.dirname(__file__), "templates")
         settings = dict(
             # basics
             base_project_url=base_project_url,
             base_kernel_url=ipython_app.base_kernel_url,
             template_path=template_path,
             static_path=ipython_app.static_file_path,
             static_handler_class = FileFindHandler,
             static_url_prefix = url_path_join(base_project_url,'/static/'),
             
             # authentication
             cookie_secret=os.urandom(1024),
             login_url=url_path_join(base_project_url,'/login'),
             cookie_name='username-%s' % uuid.uuid4(),
             read_only=ipython_app.read_only,
             password=ipython_app.password,
             
             # managers
             kernel_manager=kernel_manager,
             notebook_manager=notebook_manager,
             cluster_manager=cluster_manager,
             
             # IPython stuff
             max_msg_size=ipython_app.max_msg_size,
             config=ipython_app.config,
             use_less=ipython_app.use_less,
             jinja2_env=Environment(loader=FileSystemLoader(template_path)),
         )
 
         # allow custom overrides for the tornado web app.
         settings.update(settings_overrides)
 
         # prepend base_project_url onto the patterns that we match
         new_handlers = []
         for handler in handlers:
             pattern = url_path_join(base_project_url, handler[0])
             new_handler = tuple([pattern] + list(handler[1:]))
             new_handlers.append(new_handler)
 
         super(NotebookWebApplication, self).__init__(new_handlers, **settings)
 
 
 
 #-----------------------------------------------------------------------------
 # Aliases and Flags
 #-----------------------------------------------------------------------------
 
 flags = dict(kernel_flags)
 flags['no-browser']=(
     {'NotebookApp' : {'open_browser' : False}},
     "Don't open the notebook in a browser after startup."
 )
 flags['no-mathjax']=(
     {'NotebookApp' : {'enable_mathjax' : False}},
     """Disable MathJax
     
     MathJax is the javascript library IPython uses to render math/LaTeX. It is
     very large, so you may want to disable it if you have a slow internet
     connection, or for offline use of the notebook.
     
     When disabled, equations etc. will appear as their untransformed TeX source.
     """
 )
 flags['read-only'] = (
     {'NotebookApp' : {'read_only' : True}},
     """Allow read-only access to notebooks.
     
     When using a password to protect the notebook server, this flag
     allows unauthenticated clients to view the notebook list, and
     individual notebooks, but not edit them, start kernels, or run
     code.
     
     If no password is set, the server will be entirely read-only.
     """
 )
 
 # Add notebook manager flags
 flags.update(boolean_flag('script', 'FileNotebookManager.save_script',
                'Auto-save a .py script everytime the .ipynb notebook is saved',
                'Do not auto-save .py scripts for every notebook'))
 
 # the flags that are specific to the frontend
 # these must be scrubbed before being passed to the kernel,
 # or it will raise an error on unrecognized flags
 notebook_flags = ['no-browser', 'no-mathjax', 'read-only', 'script', 'no-script']
 
 aliases = dict(kernel_aliases)
 
 aliases.update({
     'ip': 'NotebookApp.ip',
     'port': 'NotebookApp.port',
     'port-retries': 'NotebookApp.port_retries',
     'transport': 'KernelManager.transport',
     'keyfile': 'NotebookApp.keyfile',
     'certfile': 'NotebookApp.certfile',
     'notebook-dir': 'NotebookManager.notebook_dir',
     'browser': 'NotebookApp.browser',
 })
 
 # remove ipkernel flags that are singletons, and don't make sense in
 # multi-kernel evironment:
 aliases.pop('f', None)
 
 notebook_aliases = [u'port', u'port-retries', u'ip', u'keyfile', u'certfile',
                     u'notebook-dir']
 
 #-----------------------------------------------------------------------------
 # NotebookApp
 #-----------------------------------------------------------------------------
 
 class NotebookApp(BaseIPythonApplication):
 
     name = 'ipython-notebook'
     default_config_file_name='ipython_notebook_config.py'
     
     description = """
         The IPython HTML Notebook.
         
         This launches a Tornado based HTML Notebook Server that serves up an
         HTML5/Javascript Notebook client.
     """
     examples = _examples
     
     classes = IPythonConsoleApp.classes + [MappingKernelManager, NotebookManager,
         FileNotebookManager]
     flags = Dict(flags)
     aliases = Dict(aliases)
 
     kernel_argv = List(Unicode)
 
     max_msg_size = Integer(65536, config=True, help="""
         The max raw message size accepted from the browser
         over a WebSocket connection.
     """)
 
     def _log_level_default(self):
         return logging.INFO
 
     def _log_format_default(self):
         """override default log format to include time"""
         return u"%(asctime)s.%(msecs).03d [%(name)s] %(message)s"
 
     # create requested profiles by default, if they don't exist:
     auto_create = Bool(True)
 
     # file to be opened in the notebook server
     file_to_run = Unicode('')
 
     # Network related information.
 
     ip = Unicode(LOCALHOST, config=True,
         help="The IP address the notebook server will listen on."
     )
 
     def _ip_changed(self, name, old, new):
         if new == u'*': self.ip = u''
 
     port = Integer(8888, config=True,
         help="The port the notebook server will listen on."
     )
     port_retries = Integer(50, config=True,
         help="The number of additional ports to try if the specified port is not available."
     )
 
     certfile = Unicode(u'', config=True, 
         help="""The full path to an SSL/TLS certificate file."""
     )
     
     keyfile = Unicode(u'', config=True, 
         help="""The full path to a private key file for usage with SSL/TLS."""
     )
 
     password = Unicode(u'', config=True,
                       help="""Hashed password to use for web authentication.
 
                       To generate, type in a python/IPython shell:
 
                         from IPython.lib import passwd; passwd()
 
                       The string should be of the form type:salt:hashed-password.
                       """
     )
 
     open_browser = Bool(True, config=True,
                         help="""Whether to open in a browser after starting.
                         The specific browser used is platform dependent and
                         determined by the python standard library `webbrowser`
                         module, unless it is overridden using the --browser
                         (NotebookApp.browser) configuration option.
                         """)
 
     browser = Unicode(u'', config=True,
                       help="""Specify what command to use to invoke a web
                       browser when opening the notebook. If not specified, the
                       default browser will be determined by the `webbrowser`
                       standard library module, which allows setting of the
                       BROWSER environment variable to override it.
                       """)
     
     read_only = Bool(False, config=True,
         help="Whether to prevent editing/execution of notebooks."
     )
 
     use_less = Bool(False, config=True,
                        help="""Wether to use Browser Side less-css parsing
                        instead of compiled css version in templates that allows
                        it. This is mainly convenient when working on the less
                        file to avoid a build step, or if user want to overwrite
                        some of the less variables without having to recompile
                        everything.
                        
                        You will need to install the less.js component in the static directory
                        either in the source tree or in your profile folder.
                        """)
 
     webapp_settings = Dict(config=True,
             help="Supply overrides for the tornado.web.Application that the "
                  "IPython notebook uses.")
     
     enable_mathjax = Bool(True, config=True,
         help="""Whether to enable MathJax for typesetting math/TeX
 
         MathJax is the javascript library IPython uses to render math/LaTeX. It is
         very large, so you may want to disable it if you have a slow internet
         connection, or for offline use of the notebook.
 
         When disabled, equations etc. will appear as their untransformed TeX source.
         """
     )
     def _enable_mathjax_changed(self, name, old, new):
         """set mathjax url to empty if mathjax is disabled"""
         if not new:
             self.mathjax_url = u''
 
     base_project_url = Unicode('/', config=True,
                                help='''The base URL for the notebook server.
 
                                Leading and trailing slashes can be omitted,
                                and will automatically be added.
                                ''')
     def _base_project_url_changed(self, name, old, new):
         if not new.startswith('/'):
             self.base_project_url = '/'+new
         elif not new.endswith('/'):
             self.base_project_url = new+'/'
 
     base_kernel_url = Unicode('/', config=True,
                                help='''The base URL for the kernel server
 
                                Leading and trailing slashes can be omitted,
                                and will automatically be added.
                                ''')
     def _base_kernel_url_changed(self, name, old, new):
         if not new.startswith('/'):
             self.base_kernel_url = '/'+new
         elif not new.endswith('/'):
             self.base_kernel_url = new+'/'
 
     websocket_host = Unicode("", config=True,
         help="""The hostname for the websocket server."""
     )
 
     extra_static_paths = List(Unicode, config=True,
         help="""Extra paths to search for serving static files.
         
         This allows adding javascript/css to be available from the notebook server machine,
         or overriding individual files in the IPython"""
     )
     def _extra_static_paths_default(self):
         return [os.path.join(self.profile_dir.location, 'static')]
     
     @property
     def static_file_path(self):
         """return extra paths + the default location"""
         return self.extra_static_paths + [DEFAULT_STATIC_FILES_PATH]
 
     mathjax_url = Unicode("", config=True,
         help="""The url for MathJax.js."""
     )
     def _mathjax_url_default(self):
         if not self.enable_mathjax:
             return u''
         static_url_prefix = self.webapp_settings.get("static_url_prefix",
                                                      "/static/")
         try:
             mathjax = filefind(os.path.join('mathjax', 'MathJax.js'), self.static_file_path)
         except IOError:
             if self.certfile:
                 # HTTPS: load from Rackspace CDN, because SSL certificate requires it
                 base = u"https://c328740.ssl.cf1.rackcdn.com"
             else:
                 base = u"http://cdn.mathjax.org"
             
             url = base + u"/mathjax/latest/MathJax.js"
             self.log.info("Using MathJax from CDN: %s", url)
             return url
         else:
             self.log.info("Using local MathJax from %s" % mathjax)
             return static_url_prefix+u"mathjax/MathJax.js"
     
     def _mathjax_url_changed(self, name, old, new):
         if new and not self.enable_mathjax:
             # enable_mathjax=False overrides mathjax_url
             self.mathjax_url = u''
         else:
             self.log.info("Using MathJax: %s", new)
 
     notebook_manager_class = DottedObjectName('IPython.frontend.html.notebook.filenbmanager.FileNotebookManager',
         config=True,
         help='The notebook manager class to use.')
 
     trust_xheaders = Bool(False, config=True,
         help=("Whether to trust or not X-Scheme/X-Forwarded-Proto and X-Real-Ip/X-Forwarded-For headers"
               "sent by the upstream reverse proxy. Neccesary if the proxy handles SSL")
     )
 
     def parse_command_line(self, argv=None):
         super(NotebookApp, self).parse_command_line(argv)
         if argv is None:
             argv = sys.argv[1:]
 
         # Scrub frontend-specific flags
         self.kernel_argv = swallow_argv(argv, notebook_aliases, notebook_flags)
         # Kernel should inherit default config file from frontend
         self.kernel_argv.append("--IPKernelApp.parent_appname='%s'" % self.name)
 
         if self.extra_args:
             f = os.path.abspath(self.extra_args[0])
             if os.path.isdir(f):
                 nbdir = f
             else:
                 self.file_to_run = f
                 nbdir = os.path.dirname(f)
             self.config.NotebookManager.notebook_dir = nbdir
 
     def init_configurables(self):
         # force Session default to be secure
         default_secure(self.config)
         self.kernel_manager = MappingKernelManager(
             config=self.config, log=self.log, kernel_argv=self.kernel_argv,
             connection_dir = self.profile_dir.security_dir,
         )
         kls = import_item(self.notebook_manager_class)
         self.notebook_manager = kls(config=self.config, log=self.log)
         self.notebook_manager.load_notebook_names()
         self.cluster_manager = ClusterManager(config=self.config, log=self.log)
         self.cluster_manager.update_profiles()
 
     def init_logging(self):
         # This prevents double log messages because tornado use a root logger that
         # self.log is a child of. The logging module dipatches log messages to a log
         # and all of its ancenstors until propagate is set to False.
         self.log.propagate = False
         
         # set the date format
         formatter = logging.Formatter(self.log_format, datefmt="%Y-%m-%d %H:%M:%S")
         self.log.handlers[0].setFormatter(formatter)
         
         # hook up tornado 3's loggers to our app handlers
         for name in ('access', 'application', 'general'):
             logging.getLogger('tornado.%s' % name).handlers = self.log.handlers
     
     def init_webapp(self):
         """initialize tornado webapp and httpserver"""
         self.web_app = NotebookWebApplication(
             self, self.kernel_manager, self.notebook_manager, 
             self.cluster_manager, self.log,
             self.base_project_url, self.webapp_settings
         )
         if self.certfile:
             ssl_options = dict(certfile=self.certfile)
             if self.keyfile:
                 ssl_options['keyfile'] = self.keyfile
         else:
             ssl_options = None
         self.web_app.password = self.password
         self.http_server = httpserver.HTTPServer(self.web_app, ssl_options=ssl_options,
                                                  xheaders=self.trust_xheaders)
         if not self.ip:
             warning = "WARNING: The notebook server is listening on all IP addresses"
             if ssl_options is None:
                 self.log.critical(warning + " and not using encryption. This"
                     "is not recommended.")
             if not self.password and not self.read_only:
                 self.log.critical(warning + "and not using authentication."
                     "This is highly insecure and not recommended.")
         success = None
         for port in random_ports(self.port, self.port_retries+1):
             try:
                 self.http_server.listen(port, self.ip)
             except socket.error as e:
                 # XXX: remove the e.errno == -9 block when we require
                 # tornado >= 3.0
                 if e.errno == -9 and tornado.version_info[0] < 3:
                     # The flags passed to socket.getaddrinfo from
                     # tornado.netutils.bind_sockets can cause "gaierror:
                     # [Errno -9] Address family for hostname not supported"
                     # when the interface is not associated, for example.
                     # Changing the flags to exclude socket.AI_ADDRCONFIG does
                     # not cause this error, but the only way to do this is to
                     # monkeypatch socket to remove the AI_ADDRCONFIG attribute
                     saved_AI_ADDRCONFIG = socket.AI_ADDRCONFIG
                     self.log.warn('Monkeypatching socket to fix tornado bug')
                     del(socket.AI_ADDRCONFIG)
                     try:
                         # retry the tornado call without AI_ADDRCONFIG flags
                         self.http_server.listen(port, self.ip)
                     except socket.error as e2:
                         e = e2
                     else:
                         self.port = port
                         success = True
                         break
                     # restore the monekypatch
                     socket.AI_ADDRCONFIG = saved_AI_ADDRCONFIG
                 if e.errno != errno.EADDRINUSE:
                     raise
                 self.log.info('The port %i is already in use, trying another random port.' % port)
             else:
                 self.port = port
                 success = True
                 break
         if not success:
             self.log.critical('ERROR: the notebook server could not be started because '
                               'no available port could be found.')
             self.exit(1)
     
     def init_signal(self):
         if not sys.platform.startswith('win'):
             signal.signal(signal.SIGINT, self._handle_sigint)
         signal.signal(signal.SIGTERM, self._signal_stop)
         if hasattr(signal, 'SIGUSR1'):
             # Windows doesn't support SIGUSR1
             signal.signal(signal.SIGUSR1, self._signal_info)
         if hasattr(signal, 'SIGINFO'):
             # only on BSD-based systems
             signal.signal(signal.SIGINFO, self._signal_info)
     
     def _handle_sigint(self, sig, frame):
         """SIGINT handler spawns confirmation dialog"""
         # register more forceful signal handler for ^C^C case
         signal.signal(signal.SIGINT, self._signal_stop)
         # request confirmation dialog in bg thread, to avoid
         # blocking the App
         thread = threading.Thread(target=self._confirm_exit)
         thread.daemon = True
         thread.start()
     
     def _restore_sigint_handler(self):
         """callback for restoring original SIGINT handler"""
         signal.signal(signal.SIGINT, self._handle_sigint)
     
     def _confirm_exit(self):
         """confirm shutdown on ^C
         
         A second ^C, or answering 'y' within 5s will cause shutdown,
         otherwise original SIGINT handler will be restored.
         
         This doesn't work on Windows.
         """
         # FIXME: remove this delay when pyzmq dependency is >= 2.1.11
         time.sleep(0.1)
         info = self.log.info
         info('interrupted')
         print self.notebook_info()
         sys.stdout.write("Shutdown this notebook server (y/[n])? ")
         sys.stdout.flush()
         r,w,x = select.select([sys.stdin], [], [], 5)
         if r:
             line = sys.stdin.readline()
             if line.lower().startswith('y'):
                 self.log.critical("Shutdown confirmed")
                 ioloop.IOLoop.instance().stop()
                 return
         else:
             print "No answer for 5s:",
         print "resuming operation..."
         # no answer, or answer is no:
         # set it back to original SIGINT handler
         # use IOLoop.add_callback because signal.signal must be called
         # from main thread
         ioloop.IOLoop.instance().add_callback(self._restore_sigint_handler)
     
     def _signal_stop(self, sig, frame):
         self.log.critical("received signal %s, stopping", sig)
         ioloop.IOLoop.instance().stop()
 
     def _signal_info(self, sig, frame):
         print self.notebook_info()
     
     @catch_config_error
     def initialize(self, argv=None):
         self.init_logging()
         super(NotebookApp, self).initialize(argv)
         self.init_configurables()
         self.init_webapp()
         self.init_signal()
 
     def cleanup_kernels(self):
         """Shutdown all kernels.
         
         The kernels will shutdown themselves when this process no longer exists,
         but explicit shutdown allows the KernelManagers to cleanup the connection files.
         """
         self.log.info('Shutting down kernels')
         self.kernel_manager.shutdown_all()
 
     def notebook_info(self):
         "Return the current working directory and the server url information"
         mgr_info = self.notebook_manager.info_string() + "\n"
         return mgr_info +"The IPython Notebook is running at: %s" % self._url
 
     def start(self):
         """ Start the IPython Notebook server app, after initialization
         
         This method takes no arguments so all configuration and initialization
         must be done prior to calling this method."""
         ip = self.ip if self.ip else '[all ip addresses on your system]'
         proto = 'https' if self.certfile else 'http'
         info = self.log.info
         self._url = "%s://%s:%i%s" % (proto, ip, self.port,
                                       self.base_project_url)
         for line in self.notebook_info().split("\n"):
             info(line)
         info("Use Control-C to stop this server and shut down all kernels.")
 
         if self.open_browser or self.file_to_run:
             ip = self.ip or LOCALHOST
             try:
                 browser = webbrowser.get(self.browser or None)
             except webbrowser.Error as e:
                 self.log.warn('No web browser found: %s.' % e)
                 browser = None
 
             if self.file_to_run:
                 name, _ = os.path.splitext(os.path.basename(self.file_to_run))
                 url = self.notebook_manager.rev_mapping.get(name, '')
             else:
                 url = ''
             if browser:
                 b = lambda : browser.open("%s://%s:%i%s%s" % (proto, ip,
                     self.port, self.base_project_url, url), new=2)
                 threading.Thread(target=b).start()
         try:
             ioloop.IOLoop.instance().start()
         except KeyboardInterrupt:
             info("Interrupted...")
         finally:
             self.cleanup_kernels()
     
 
 #-----------------------------------------------------------------------------
 # Main entry point
 #-----------------------------------------------------------------------------
 
 def launch_new_instance():
     app = NotebookApp.instance()
     app.initialize()
     app.start()
 

IPython/frontend/html/notebook/static/css/style.min.css

@@ -1,973 +1,976 b''
 article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block;}
 audio,canvas,video{display:inline-block;*display:inline;*zoom:1;}
 audio:not([controls]){display:none;}
 html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;}
 a:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px;}
 a:hover,a:active{outline:0;}
 sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline;}
 sup{top:-0.5em;}
 sub{bottom:-0.25em;}
 img{max-width:100%;width:auto\9;height:auto;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic;}
 #map_canvas img,.google-maps img{max-width:none;}
 button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle;}
 button,input{*overflow:visible;line-height:normal;}
 button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0;}
 button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer;}
 label,select,button,input[type="button"],input[type="reset"],input[type="submit"],input[type="radio"],input[type="checkbox"]{cursor:pointer;}
 input[type="search"]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield;}
 input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none;}
 textarea{overflow:auto;vertical-align:top;}
 @media print{*{text-shadow:none !important;color:#000 !important;background:transparent !important;box-shadow:none !important;} a,a:visited{text-decoration:underline;} a[href]:after{content:" (" attr(href) ")";} abbr[title]:after{content:" (" attr(title) ")";} .ir a:after,a[href^="javascript:"]:after,a[href^="#"]:after{content:"";} pre,blockquote{border:1px solid #999;page-break-inside:avoid;} thead{display:table-header-group;} tr,img{page-break-inside:avoid;} img{max-width:100% !important;} @page {margin:0.5cm;}p,h2,h3{orphans:3;widows:3;} h2,h3{page-break-after:avoid;}}.clearfix{*zoom:1;}.clearfix:before,.clearfix:after{display:table;content:"";line-height:0;}
 .clearfix:after{clear:both;}
 .hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0;}
 .input-block-level{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;}
 body{margin:0;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px;line-height:20px;color:#000000;background-color:#ffffff;}
 a{color:#0088cc;text-decoration:none;}
 a:hover{color:#005580;text-decoration:underline;}
 .img-rounded{-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;}
 .img-polaroid{padding:4px;background-color:#fff;border:1px solid #ccc;border:1px solid rgba(0, 0, 0, 0.2);-webkit-box-shadow:0 1px 3px rgba(0, 0, 0, 0.1);-moz-box-shadow:0 1px 3px rgba(0, 0, 0, 0.1);box-shadow:0 1px 3px rgba(0, 0, 0, 0.1);}
 .img-circle{-webkit-border-radius:500px;-moz-border-radius:500px;border-radius:500px;}
 .row{margin-left:-20px;*zoom:1;}.row:before,.row:after{display:table;content:"";line-height:0;}
 .row:after{clear:both;}
 [class*="span"]{float:left;min-height:1px;margin-left:20px;}
 .container,.navbar-static-top .container,.navbar-fixed-top .container,.navbar-fixed-bottom .container{width:940px;}
 .span12{width:940px;}
 .span11{width:860px;}
 .span10{width:780px;}
 .span9{width:700px;}
 .span8{width:620px;}
 .span7{width:540px;}
 .span6{width:460px;}
 .span5{width:380px;}
 .span4{width:300px;}
 .span3{width:220px;}
 .span2{width:140px;}
 .span1{width:60px;}
 .offset12{margin-left:980px;}
 .offset11{margin-left:900px;}
 .offset10{margin-left:820px;}
 .offset9{margin-left:740px;}
 .offset8{margin-left:660px;}
 .offset7{margin-left:580px;}
 .offset6{margin-left:500px;}
 .offset5{margin-left:420px;}
 .offset4{margin-left:340px;}
 .offset3{margin-left:260px;}
 .offset2{margin-left:180px;}
 .offset1{margin-left:100px;}
 .row-fluid{width:100%;*zoom:1;}.row-fluid:before,.row-fluid:after{display:table;content:"";line-height:0;}
 .row-fluid:after{clear:both;}
 .row-fluid [class*="span"]{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;float:left;margin-left:2.127659574468085%;*margin-left:2.074468085106383%;}
 .row-fluid [class*="span"]:first-child{margin-left:0;}
 .row-fluid .controls-row [class*="span"]+[class*="span"]{margin-left:2.127659574468085%;}
 .row-fluid .span12{width:100%;*width:99.94680851063829%;}
 .row-fluid .span11{width:91.48936170212765%;*width:91.43617021276594%;}
 .row-fluid .span10{width:82.97872340425532%;*width:82.92553191489361%;}
 .row-fluid .span9{width:74.46808510638297%;*width:74.41489361702126%;}
 .row-fluid .span8{width:65.95744680851064%;*width:65.90425531914893%;}
 .row-fluid .span7{width:57.44680851063829%;*width:57.39361702127659%;}
 .row-fluid .span6{width:48.93617021276595%;*width:48.88297872340425%;}
 .row-fluid .span5{width:40.42553191489362%;*width:40.37234042553192%;}
 .row-fluid .span4{width:31.914893617021278%;*width:31.861702127659576%;}
 .row-fluid .span3{width:23.404255319148934%;*width:23.351063829787233%;}
 .row-fluid .span2{width:14.893617021276595%;*width:14.840425531914894%;}
 .row-fluid .span1{width:6.382978723404255%;*width:6.329787234042553%;}
 .row-fluid .offset12{margin-left:104.25531914893617%;*margin-left:104.14893617021275%;}
 .row-fluid .offset12:first-child{margin-left:102.12765957446808%;*margin-left:102.02127659574467%;}
 .row-fluid .offset11{margin-left:95.74468085106382%;*margin-left:95.6382978723404%;}
 .row-fluid .offset11:first-child{margin-left:93.61702127659574%;*margin-left:93.51063829787232%;}
 .row-fluid .offset10{margin-left:87.23404255319149%;*margin-left:87.12765957446807%;}
 .row-fluid .offset10:first-child{margin-left:85.1063829787234%;*margin-left:84.99999999999999%;}
 .row-fluid .offset9{margin-left:78.72340425531914%;*margin-left:78.61702127659572%;}
 .row-fluid .offset9:first-child{margin-left:76.59574468085106%;*margin-left:76.48936170212764%;}
 .row-fluid .offset8{margin-left:70.2127659574468%;*margin-left:70.10638297872339%;}
 .row-fluid .offset8:first-child{margin-left:68.08510638297872%;*margin-left:67.9787234042553%;}
 .row-fluid .offset7{margin-left:61.70212765957446%;*margin-left:61.59574468085106%;}
 .row-fluid .offset7:first-child{margin-left:59.574468085106375%;*margin-left:59.46808510638297%;}
 .row-fluid .offset6{margin-left:53.191489361702125%;*margin-left:53.085106382978715%;}
 .row-fluid .offset6:first-child{margin-left:51.063829787234035%;*margin-left:50.95744680851063%;}
 .row-fluid .offset5{margin-left:44.68085106382979%;*margin-left:44.57446808510638%;}
 .row-fluid .offset5:first-child{margin-left:42.5531914893617%;*margin-left:42.4468085106383%;}
 .row-fluid .offset4{margin-left:36.170212765957444%;*margin-left:36.06382978723405%;}
 .row-fluid .offset4:first-child{margin-left:34.04255319148936%;*margin-left:33.93617021276596%;}
 .row-fluid .offset3{margin-left:27.659574468085104%;*margin-left:27.5531914893617%;}
 .row-fluid .offset3:first-child{margin-left:25.53191489361702%;*margin-left:25.425531914893618%;}
 .row-fluid .offset2{margin-left:19.148936170212764%;*margin-left:19.04255319148936%;}
 .row-fluid .offset2:first-child{margin-left:17.02127659574468%;*margin-left:16.914893617021278%;}
 .row-fluid .offset1{margin-left:10.638297872340425%;*margin-left:10.53191489361702%;}
 .row-fluid .offset1:first-child{margin-left:8.51063829787234%;*margin-left:8.404255319148938%;}
 [class*="span"].hide,.row-fluid [class*="span"].hide{display:none;}
 [class*="span"].pull-right,.row-fluid [class*="span"].pull-right{float:right;}
 .container{margin-right:auto;margin-left:auto;*zoom:1;}.container:before,.container:after{display:table;content:"";line-height:0;}
 .container:after{clear:both;}
 .container-fluid{padding-right:20px;padding-left:20px;*zoom:1;}.container-fluid:before,.container-fluid:after{display:table;content:"";line-height:0;}
 .container-fluid:after{clear:both;}
 p{margin:0 0 10px;}
 .lead{margin-bottom:20px;font-size:19.5px;font-weight:200;line-height:30px;}
 small{font-size:85%;}
 strong{font-weight:bold;}
 em{font-style:italic;}
 cite{font-style:normal;}
 .muted{color:#999999;}
 a.muted:hover{color:#808080;}
 .text-warning{color:#c09853;}
 a.text-warning:hover{color:#a47e3c;}
 .text-error{color:#b94a48;}
 a.text-error:hover{color:#953b39;}
 .text-info{color:#3a87ad;}
 a.text-info:hover{color:#2d6987;}
 .text-success{color:#468847;}
 a.text-success:hover{color:#356635;}
 h1,h2,h3,h4,h5,h6{margin:10px 0;font-family:inherit;font-weight:bold;line-height:20px;color:inherit;text-rendering:optimizelegibility;}h1 small,h2 small,h3 small,h4 small,h5 small,h6 small{font-weight:normal;line-height:1;color:#999999;}
 h1,h2,h3{line-height:40px;}
 h1{font-size:35.75px;}
 h2{font-size:29.25px;}
 h3{font-size:22.75px;}
 h4{font-size:16.25px;}
 h5{font-size:13px;}
 h6{font-size:11.049999999999999px;}
 h1 small{font-size:22.75px;}
 h2 small{font-size:16.25px;}
 h3 small{font-size:13px;}
 h4 small{font-size:13px;}
 .page-header{padding-bottom:9px;margin:20px 0 30px;border-bottom:1px solid #eeeeee;}
 ul,ol{padding:0;margin:0 0 10px 25px;}
 ul ul,ul ol,ol ol,ol ul{margin-bottom:0;}
 li{line-height:20px;}
 ul.unstyled,ol.unstyled{margin-left:0;list-style:none;}
 ul.inline,ol.inline{margin-left:0;list-style:none;}ul.inline>li,ol.inline>li{display:inline-block;padding-left:5px;padding-right:5px;}
 dl{margin-bottom:20px;}
 dt,dd{line-height:20px;}
 dt{font-weight:bold;}
 dd{margin-left:10px;}
 .dl-horizontal{*zoom:1;}.dl-horizontal:before,.dl-horizontal:after{display:table;content:"";line-height:0;}
 .dl-horizontal:after{clear:both;}
 .dl-horizontal dt{float:left;width:160px;clear:left;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
 .dl-horizontal dd{margin-left:180px;}
 hr{margin:20px 0;border:0;border-top:1px solid #eeeeee;border-bottom:1px solid #ffffff;}
 abbr[title],abbr[data-original-title]{cursor:help;border-bottom:1px dotted #999999;}
 abbr.initialism{font-size:90%;text-transform:uppercase;}
 blockquote{padding:0 0 0 15px;margin:0 0 20px;border-left:5px solid #eeeeee;}blockquote p{margin-bottom:0;font-size:16px;font-weight:300;line-height:25px;}
 blockquote small{display:block;line-height:20px;color:#999999;}blockquote small:before{content:'\2014 \00A0';}
 blockquote.pull-right{float:right;padding-right:15px;padding-left:0;border-right:5px solid #eeeeee;border-left:0;}blockquote.pull-right p,blockquote.pull-right small{text-align:right;}
 blockquote.pull-right small:before{content:'';}
 blockquote.pull-right small:after{content:'\00A0 \2014';}
 q:before,q:after,blockquote:before,blockquote:after{content:"";}
 address{display:block;margin-bottom:20px;font-style:normal;line-height:20px;}
 form{margin:0 0 20px;}
 fieldset{padding:0;margin:0;border:0;}
 legend{display:block;width:100%;padding:0;margin-bottom:20px;font-size:19.5px;line-height:40px;color:#333333;border:0;border-bottom:1px solid #e5e5e5;}legend small{font-size:15px;color:#999999;}
 label,input,button,select,textarea{font-size:13px;font-weight:normal;line-height:20px;}
 input,button,select,textarea{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;}
 label{display:block;margin-bottom:5px;}
 select,textarea,input[type="text"],input[type="password"],input[type="datetime"],input[type="datetime-local"],input[type="date"],input[type="month"],input[type="time"],input[type="week"],input[type="number"],input[type="email"],input[type="url"],input[type="search"],input[type="tel"],input[type="color"],.uneditable-input{display:inline-block;height:20px;padding:4px 6px;margin-bottom:10px;font-size:13px;line-height:20px;color:#555555;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;vertical-align:middle;}
 input,textarea,.uneditable-input{width:206px;}
 textarea{height:auto;}
 textarea,input[type="text"],input[type="password"],input[type="datetime"],input[type="datetime-local"],input[type="date"],input[type="month"],input[type="time"],input[type="week"],input[type="number"],input[type="email"],input[type="url"],input[type="search"],input[type="tel"],input[type="color"],.uneditable-input{background-color:#ffffff;border:1px solid #cccccc;-webkit-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.075);-moz-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.075);box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.075);-webkit-transition:border linear .2s, box-shadow linear .2s;-moz-transition:border linear .2s, box-shadow linear .2s;-o-transition:border linear .2s, box-shadow linear .2s;transition:border linear .2s, box-shadow linear .2s;}textarea:focus,input[type="text"]:focus,input[type="password"]:focus,input[type="datetime"]:focus,input[type="datetime-local"]:focus,input[type="date"]:focus,input[type="month"]:focus,input[type="time"]:focus,input[type="week"]:focus,input[type="number"]:focus,input[type="email"]:focus,input[type="url"]:focus,input[type="search"]:focus,input[type="tel"]:focus,input[type="color"]:focus,.uneditable-input:focus{border-color:rgba(82, 168, 236, 0.8);outline:0;outline:thin dotted \9;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);-moz-box-shadow:inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);box-shadow:inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);}
 input[type="radio"],input[type="checkbox"]{margin:4px 0 0;*margin-top:0;margin-top:1px \9;line-height:normal;}
 input[type="file"],input[type="image"],input[type="submit"],input[type="reset"],input[type="button"],input[type="radio"],input[type="checkbox"]{width:auto;}
 select,input[type="file"]{height:30px;*margin-top:4px;line-height:30px;}
 select{width:220px;border:1px solid #cccccc;background-color:#ffffff;}
 select[multiple],select[size]{height:auto;}
 select:focus,input[type="file"]:focus,input[type="radio"]:focus,input[type="checkbox"]:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px;}
 .uneditable-input,.uneditable-textarea{color:#999999;background-color:#fcfcfc;border-color:#cccccc;-webkit-box-shadow:inset 0 1px 2px rgba(0, 0, 0, 0.025);-moz-box-shadow:inset 0 1px 2px rgba(0, 0, 0, 0.025);box-shadow:inset 0 1px 2px rgba(0, 0, 0, 0.025);cursor:not-allowed;}
 .uneditable-input{overflow:hidden;white-space:nowrap;}
 .uneditable-textarea{width:auto;height:auto;}
 input:-moz-placeholder,textarea:-moz-placeholder{color:#999999;}
 input:-ms-input-placeholder,textarea:-ms-input-placeholder{color:#999999;}
 input::-webkit-input-placeholder,textarea::-webkit-input-placeholder{color:#999999;}
 .radio,.checkbox{min-height:20px;padding-left:20px;}
 .radio input[type="radio"],.checkbox input[type="checkbox"]{float:left;margin-left:-20px;}
 .controls>.radio:first-child,.controls>.checkbox:first-child{padding-top:5px;}
 .radio.inline,.checkbox.inline{display:inline-block;padding-top:5px;margin-bottom:0;vertical-align:middle;}
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 .table td.span2,.table th.span2{float:none;width:124px;margin-left:0;}
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 .table tbody tr.success td{background-color:#dff0d8;}
 .table tbody tr.error td{background-color:#f2dede;}
 .table tbody tr.warning td{background-color:#fcf8e3;}
 .table tbody tr.info td{background-color:#d9edf7;}
 .table-hover tbody tr.success:hover td{background-color:#d0e9c6;}
 .table-hover tbody tr.error:hover td{background-color:#ebcccc;}
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 .table-hover tbody tr.info:hover td{background-color:#c4e3f3;}
 [class^="icon-"],[class*=" icon-"]{display:inline-block;width:14px;height:14px;*margin-right:.3em;line-height:14px;vertical-align:text-top;background-image:url("../img/glyphicons-halflings.png");background-position:14px 14px;background-repeat:no-repeat;margin-top:1px;}
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 .icon-music{background-position:-24px 0;}
 .icon-search{background-position:-48px 0;}
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 .icon-heart{background-position:-96px 0;}
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 .icon-user{background-position:-168px 0;}
 .icon-film{background-position:-192px 0;}
 .icon-th-large{background-position:-216px 0;}
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 .icon-zoom-out{background-position:-360px 0;}
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 .icon-cog{background-position:-432px 0;}
 .icon-trash{background-position:-456px 0;}
 .icon-home{background-position:0 -24px;}
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 .icon-time{background-position:-48px -24px;}
 .icon-road{background-position:-72px -24px;}
 .icon-download-alt{background-position:-96px -24px;}
 .icon-download{background-position:-120px -24px;}
 .icon-upload{background-position:-144px -24px;}
 .icon-inbox{background-position:-168px -24px;}
 .icon-play-circle{background-position:-192px -24px;}
 .icon-repeat{background-position:-216px -24px;}
 .icon-refresh{background-position:-240px -24px;}
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 .icon-headphones{background-position:-336px -24px;}
 .icon-volume-off{background-position:-360px -24px;}
 .icon-volume-down{background-position:-384px -24px;}
 .icon-volume-up{background-position:-408px -24px;}
 .icon-qrcode{background-position:-432px -24px;}
 .icon-barcode{background-position:-456px -24px;}
 .icon-tag{background-position:0 -48px;}
 .icon-tags{background-position:-25px -48px;}
 .icon-book{background-position:-48px -48px;}
 .icon-bookmark{background-position:-72px -48px;}
 .icon-print{background-position:-96px -48px;}
 .icon-camera{background-position:-120px -48px;}
 .icon-font{background-position:-144px -48px;}
 .icon-bold{background-position:-167px -48px;}
 .icon-italic{background-position:-192px -48px;}
 .icon-text-height{background-position:-216px -48px;}
 .icon-text-width{background-position:-240px -48px;}
 .icon-align-left{background-position:-264px -48px;}
 .icon-align-center{background-position:-288px -48px;}
 .icon-align-right{background-position:-312px -48px;}
 .icon-align-justify{background-position:-336px -48px;}
 .icon-list{background-position:-360px -48px;}
 .icon-indent-left{background-position:-384px -48px;}
 .icon-indent-right{background-position:-408px -48px;}
 .icon-facetime-video{background-position:-432px -48px;}
 .icon-picture{background-position:-456px -48px;}
 .icon-pencil{background-position:0 -72px;}
 .icon-map-marker{background-position:-24px -72px;}
 .icon-adjust{background-position:-48px -72px;}
 .icon-tint{background-position:-72px -72px;}
 .icon-edit{background-position:-96px -72px;}
 .icon-share{background-position:-120px -72px;}
 .icon-check{background-position:-144px -72px;}
 .icon-move{background-position:-168px -72px;}
 .icon-step-backward{background-position:-192px -72px;}
 .icon-fast-backward{background-position:-216px -72px;}
 .icon-backward{background-position:-240px -72px;}
 .icon-play{background-position:-264px -72px;}
 .icon-pause{background-position:-288px -72px;}
 .icon-stop{background-position:-312px -72px;}
 .icon-forward{background-position:-336px -72px;}
 .icon-fast-forward{background-position:-360px -72px;}
 .icon-step-forward{background-position:-384px -72px;}
 .icon-eject{background-position:-408px -72px;}
 .icon-chevron-left{background-position:-432px -72px;}
 .icon-chevron-right{background-position:-456px -72px;}
 .icon-plus-sign{background-position:0 -96px;}
 .icon-minus-sign{background-position:-24px -96px;}
 .icon-remove-sign{background-position:-48px -96px;}
 .icon-ok-sign{background-position:-72px -96px;}
 .icon-question-sign{background-position:-96px -96px;}
 .icon-info-sign{background-position:-120px -96px;}
 .icon-screenshot{background-position:-144px -96px;}
 .icon-remove-circle{background-position:-168px -96px;}
 .icon-ok-circle{background-position:-192px -96px;}
 .icon-ban-circle{background-position:-216px -96px;}
 .icon-arrow-left{background-position:-240px -96px;}
 .icon-arrow-right{background-position:-264px -96px;}
 .icon-arrow-up{background-position:-289px -96px;}
 .icon-arrow-down{background-position:-312px -96px;}
 .icon-share-alt{background-position:-336px -96px;}
 .icon-resize-full{background-position:-360px -96px;}
 .icon-resize-small{background-position:-384px -96px;}
 .icon-plus{background-position:-408px -96px;}
 .icon-minus{background-position:-433px -96px;}
 .icon-asterisk{background-position:-456px -96px;}
 .icon-exclamation-sign{background-position:0 -120px;}
 .icon-gift{background-position:-24px -120px;}
 .icon-leaf{background-position:-48px -120px;}
 .icon-fire{background-position:-72px -120px;}
 .icon-eye-open{background-position:-96px -120px;}
 .icon-eye-close{background-position:-120px -120px;}
 .icon-warning-sign{background-position:-144px -120px;}
 .icon-plane{background-position:-168px -120px;}
 .icon-calendar{background-position:-192px -120px;}
 .icon-random{background-position:-216px -120px;width:16px;}
 .icon-comment{background-position:-240px -120px;}
 .icon-magnet{background-position:-264px -120px;}
 .icon-chevron-up{background-position:-288px -120px;}
 .icon-chevron-down{background-position:-313px -119px;}
 .icon-retweet{background-position:-336px -120px;}
 .icon-shopping-cart{background-position:-360px -120px;}
 .icon-folder-close{background-position:-384px -120px;}
 .icon-folder-open{background-position:-408px -120px;width:16px;}
 .icon-resize-vertical{background-position:-432px -119px;}
 .icon-resize-horizontal{background-position:-456px -118px;}
 .icon-hdd{background-position:0 -144px;}
 .icon-bullhorn{background-position:-24px -144px;}
 .icon-bell{background-position:-48px -144px;}
 .icon-certificate{background-position:-72px -144px;}
 .icon-thumbs-up{background-position:-96px -144px;}
 .icon-thumbs-down{background-position:-120px -144px;}
 .icon-hand-right{background-position:-144px -144px;}
 .icon-hand-left{background-position:-168px -144px;}
 .icon-hand-up{background-position:-192px -144px;}
 .icon-hand-down{background-position:-216px -144px;}
 .icon-circle-arrow-right{background-position:-240px -144px;}
 .icon-circle-arrow-left{background-position:-264px -144px;}
 .icon-circle-arrow-up{background-position:-288px -144px;}
 .icon-circle-arrow-down{background-position:-312px -144px;}
 .icon-globe{background-position:-336px -144px;}
 .icon-wrench{background-position:-360px -144px;}
 .icon-tasks{background-position:-384px -144px;}
 .icon-filter{background-position:-408px -144px;}
 .icon-briefcase{background-position:-432px -144px;}
 .icon-fullscreen{background-position:-456px -144px;}
 .dropup,.dropdown{position:relative;}
 .dropdown-toggle{*margin-bottom:-3px;}
 .dropdown-toggle:active,.open .dropdown-toggle{outline:0;}
 .caret{display:inline-block;width:0;height:0;vertical-align:top;border-top:4px solid #000000;border-right:4px solid transparent;border-left:4px solid transparent;content:"";}
 .dropdown .caret{margin-top:8px;margin-left:2px;}
 .dropdown-menu{position:absolute;top:100%;left:0;z-index:1000;display:none;float:left;min-width:160px;padding:5px 0;margin:2px 0 0;list-style:none;background-color:#ffffff;border:1px solid #ccc;border:1px solid rgba(0, 0, 0, 0.2);*border-right-width:2px;*border-bottom-width:2px;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;-webkit-box-shadow:0 5px 10px rgba(0, 0, 0, 0.2);-moz-box-shadow:0 5px 10px rgba(0, 0, 0, 0.2);box-shadow:0 5px 10px rgba(0, 0, 0, 0.2);-webkit-background-clip:padding-box;-moz-background-clip:padding;background-clip:padding-box;}.dropdown-menu.pull-right{right:0;left:auto;}
 .dropdown-menu .divider{*width:100%;height:1px;margin:9px 1px;*margin:-5px 0 5px;overflow:hidden;background-color:#e5e5e5;border-bottom:1px solid #ffffff;}
 .dropdown-menu li>a{display:block;padding:3px 20px;clear:both;font-weight:normal;line-height:20px;color:#333333;white-space:nowrap;}
 .dropdown-menu li>a:hover,.dropdown-menu li>a:focus,.dropdown-submenu:hover>a{text-decoration:none;color:#ffffff;background-color:#0081c2;background-image:-moz-linear-gradient(top, #0088cc, #0077b3);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#0088cc), to(#0077b3));background-image:-webkit-linear-gradient(top, #0088cc, #0077b3);background-image:-o-linear-gradient(top, #0088cc, #0077b3);background-image:linear-gradient(to bottom, #0088cc, #0077b3);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff0088cc', endColorstr='#ff0077b3', GradientType=0);}
 .dropdown-menu .active>a,.dropdown-menu .active>a:hover{color:#ffffff;text-decoration:none;outline:0;background-color:#0081c2;background-image:-moz-linear-gradient(top, #0088cc, #0077b3);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#0088cc), to(#0077b3));background-image:-webkit-linear-gradient(top, #0088cc, #0077b3);background-image:-o-linear-gradient(top, #0088cc, #0077b3);background-image:linear-gradient(to bottom, #0088cc, #0077b3);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff0088cc', endColorstr='#ff0077b3', GradientType=0);}
 .dropdown-menu .disabled>a,.dropdown-menu .disabled>a:hover{color:#999999;}
 .dropdown-menu .disabled>a:hover{text-decoration:none;background-color:transparent;background-image:none;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);cursor:default;}
 .open{*z-index:1000;}.open>.dropdown-menu{display:block;}
 .pull-right>.dropdown-menu{right:0;left:auto;}
 .dropup .caret,.navbar-fixed-bottom .dropdown .caret{border-top:0;border-bottom:4px solid #000000;content:"";}
 .dropup .dropdown-menu,.navbar-fixed-bottom .dropdown .dropdown-menu{top:auto;bottom:100%;margin-bottom:1px;}
 .dropdown-submenu{position:relative;}
 .dropdown-submenu>.dropdown-menu{top:0;left:100%;margin-top:-6px;margin-left:-1px;-webkit-border-radius:0 6px 6px 6px;-moz-border-radius:0 6px 6px 6px;border-radius:0 6px 6px 6px;}
 .dropdown-submenu:hover>.dropdown-menu{display:block;}
 .dropup .dropdown-submenu>.dropdown-menu{top:auto;bottom:0;margin-top:0;margin-bottom:-2px;-webkit-border-radius:5px 5px 5px 0;-moz-border-radius:5px 5px 5px 0;border-radius:5px 5px 5px 0;}
 .dropdown-submenu>a:after{display:block;content:" ";float:right;width:0;height:0;border-color:transparent;border-style:solid;border-width:5px 0 5px 5px;border-left-color:#cccccc;margin-top:5px;margin-right:-10px;}
 .dropdown-submenu:hover>a:after{border-left-color:#ffffff;}
 .dropdown-submenu.pull-left{float:none;}.dropdown-submenu.pull-left>.dropdown-menu{left:-100%;margin-left:10px;-webkit-border-radius:6px 0 6px 6px;-moz-border-radius:6px 0 6px 6px;border-radius:6px 0 6px 6px;}
 .dropdown .dropdown-menu .nav-header{padding-left:20px;padding-right:20px;}
 .typeahead{z-index:1051;margin-top:2px;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}
 .well{min-height:20px;padding:19px;margin-bottom:20px;background-color:#f5f5f5;border:1px solid #e3e3e3;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);-moz-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);}.well blockquote{border-color:#ddd;border-color:rgba(0, 0, 0, 0.15);}
 .well-large{padding:24px;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;}
 .well-small{padding:9px;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;}
 .fade{opacity:0;-webkit-transition:opacity 0.15s linear;-moz-transition:opacity 0.15s linear;-o-transition:opacity 0.15s linear;transition:opacity 0.15s linear;}.fade.in{opacity:1;}
 .collapse{position:relative;height:0;overflow:hidden;-webkit-transition:height 0.35s ease;-moz-transition:height 0.35s ease;-o-transition:height 0.35s ease;transition:height 0.35s ease;}.collapse.in{height:auto;}
 .close{float:right;font-size:20px;font-weight:bold;line-height:20px;color:#000000;text-shadow:0 1px 0 #ffffff;opacity:0.2;filter:alpha(opacity=20);}.close:hover{color:#000000;text-decoration:none;cursor:pointer;opacity:0.4;filter:alpha(opacity=40);}
 button.close{padding:0;cursor:pointer;background:transparent;border:0;-webkit-appearance:none;}
 .btn{display:inline-block;*display:inline;*zoom:1;padding:4px 12px;margin-bottom:0;font-size:13px;line-height:20px;text-align:center;vertical-align:middle;cursor:pointer;color:#333333;text-shadow:0 1px 1px rgba(255, 255, 255, 0.75);background-color:#f5f5f5;background-image:-moz-linear-gradient(top, #ffffff, #e6e6e6);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), to(#e6e6e6));background-image:-webkit-linear-gradient(top, #ffffff, #e6e6e6);background-image:-o-linear-gradient(top, #ffffff, #e6e6e6);background-image:linear-gradient(to bottom, #ffffff, #e6e6e6);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe6e6e6', GradientType=0);border-color:#e6e6e6 #e6e6e6 #bfbfbf;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#e6e6e6;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);border:1px solid #bbbbbb;*border:0;border-bottom-color:#a2a2a2;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;*margin-left:.3em;-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);-moz-box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);}.btn:hover,.btn:active,.btn.active,.btn.disabled,.btn[disabled]{color:#333333;background-color:#e6e6e6;*background-color:#d9d9d9;}
 .btn:active,.btn.active{background-color:#cccccc \9;}
 .btn:first-child{*margin-left:0;}
 .btn:hover{color:#333333;text-decoration:none;background-position:0 -15px;-webkit-transition:background-position 0.1s linear;-moz-transition:background-position 0.1s linear;-o-transition:background-position 0.1s linear;transition:background-position 0.1s linear;}
 .btn:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px;}
 .btn.active,.btn:active{background-image:none;outline:0;-webkit-box-shadow:inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);-moz-box-shadow:inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);box-shadow:inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);}
 .btn.disabled,.btn[disabled]{cursor:default;background-image:none;opacity:0.65;filter:alpha(opacity=65);-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;}
 .btn-large{padding:11px 19px;font-size:16.25px;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;}
 .btn-large [class^="icon-"],.btn-large [class*=" icon-"]{margin-top:4px;}
 .btn-small{padding:2px 10px;font-size:11.049999999999999px;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;}
 .btn-small [class^="icon-"],.btn-small [class*=" icon-"]{margin-top:0;}
 .btn-mini [class^="icon-"],.btn-mini [class*=" icon-"]{margin-top:-1px;}
 .btn-mini{padding:0 6px;font-size:9.75px;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;}
 .btn-block{display:block;width:100%;padding-left:0;padding-right:0;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;}
 .btn-block+.btn-block{margin-top:5px;}
 input[type="submit"].btn-block,input[type="reset"].btn-block,input[type="button"].btn-block{width:100%;}
 .btn-primary.active,.btn-warning.active,.btn-danger.active,.btn-success.active,.btn-info.active,.btn-inverse.active{color:rgba(255, 255, 255, 0.75);}
 .btn{border-color:#c5c5c5;border-color:rgba(0, 0, 0, 0.15) rgba(0, 0, 0, 0.15) rgba(0, 0, 0, 0.25);}
 .btn-primary{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#006dcc;background-image:-moz-linear-gradient(top, #0088cc, #0044cc);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#0088cc), to(#0044cc));background-image:-webkit-linear-gradient(top, #0088cc, #0044cc);background-image:-o-linear-gradient(top, #0088cc, #0044cc);background-image:linear-gradient(to bottom, #0088cc, #0044cc);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff0088cc', endColorstr='#ff0044cc', GradientType=0);border-color:#0044cc #0044cc #002a80;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#0044cc;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.btn-primary:hover,.btn-primary:active,.btn-primary.active,.btn-primary.disabled,.btn-primary[disabled]{color:#ffffff;background-color:#0044cc;*background-color:#003bb3;}
 .btn-primary:active,.btn-primary.active{background-color:#003399 \9;}
 .btn-warning{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#faa732;background-image:-moz-linear-gradient(top, #fbb450, #f89406);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#fbb450), to(#f89406));background-image:-webkit-linear-gradient(top, #fbb450, #f89406);background-image:-o-linear-gradient(top, #fbb450, #f89406);background-image:linear-gradient(to bottom, #fbb450, #f89406);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffbb450', endColorstr='#fff89406', GradientType=0);border-color:#f89406 #f89406 #ad6704;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#f89406;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.btn-warning:hover,.btn-warning:active,.btn-warning.active,.btn-warning.disabled,.btn-warning[disabled]{color:#ffffff;background-color:#f89406;*background-color:#df8505;}
 .btn-warning:active,.btn-warning.active{background-color:#c67605 \9;}
 .btn-danger{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#da4f49;background-image:-moz-linear-gradient(top, #ee5f5b, #bd362f);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#ee5f5b), to(#bd362f));background-image:-webkit-linear-gradient(top, #ee5f5b, #bd362f);background-image:-o-linear-gradient(top, #ee5f5b, #bd362f);background-image:linear-gradient(to bottom, #ee5f5b, #bd362f);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffee5f5b', endColorstr='#ffbd362f', GradientType=0);border-color:#bd362f #bd362f #802420;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#bd362f;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.btn-danger:hover,.btn-danger:active,.btn-danger.active,.btn-danger.disabled,.btn-danger[disabled]{color:#ffffff;background-color:#bd362f;*background-color:#a9302a;}
 .btn-danger:active,.btn-danger.active{background-color:#942a25 \9;}
 .btn-success{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#5bb75b;background-image:-moz-linear-gradient(top, #62c462, #51a351);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#62c462), to(#51a351));background-image:-webkit-linear-gradient(top, #62c462, #51a351);background-image:-o-linear-gradient(top, #62c462, #51a351);background-image:linear-gradient(to bottom, #62c462, #51a351);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff62c462', endColorstr='#ff51a351', GradientType=0);border-color:#51a351 #51a351 #387038;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#51a351;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.btn-success:hover,.btn-success:active,.btn-success.active,.btn-success.disabled,.btn-success[disabled]{color:#ffffff;background-color:#51a351;*background-color:#499249;}
 .btn-success:active,.btn-success.active{background-color:#408140 \9;}
 .btn-info{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#49afcd;background-image:-moz-linear-gradient(top, #5bc0de, #2f96b4);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#5bc0de), to(#2f96b4));background-image:-webkit-linear-gradient(top, #5bc0de, #2f96b4);background-image:-o-linear-gradient(top, #5bc0de, #2f96b4);background-image:linear-gradient(to bottom, #5bc0de, #2f96b4);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5bc0de', endColorstr='#ff2f96b4', GradientType=0);border-color:#2f96b4 #2f96b4 #1f6377;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#2f96b4;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.btn-info:hover,.btn-info:active,.btn-info.active,.btn-info.disabled,.btn-info[disabled]{color:#ffffff;background-color:#2f96b4;*background-color:#2a85a0;}
 .btn-info:active,.btn-info.active{background-color:#24748c \9;}
 .btn-inverse{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#363636;background-image:-moz-linear-gradient(top, #444444, #222222);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#444444), to(#222222));background-image:-webkit-linear-gradient(top, #444444, #222222);background-image:-o-linear-gradient(top, #444444, #222222);background-image:linear-gradient(to bottom, #444444, #222222);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff444444', endColorstr='#ff222222', GradientType=0);border-color:#222222 #222222 #000000;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#222222;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.btn-inverse:hover,.btn-inverse:active,.btn-inverse.active,.btn-inverse.disabled,.btn-inverse[disabled]{color:#ffffff;background-color:#222222;*background-color:#151515;}
 .btn-inverse:active,.btn-inverse.active{background-color:#080808 \9;}
 button.btn,input[type="submit"].btn{*padding-top:3px;*padding-bottom:3px;}button.btn::-moz-focus-inner,input[type="submit"].btn::-moz-focus-inner{padding:0;border:0;}
 button.btn.btn-large,input[type="submit"].btn.btn-large{*padding-top:7px;*padding-bottom:7px;}
 button.btn.btn-small,input[type="submit"].btn.btn-small{*padding-top:3px;*padding-bottom:3px;}
 button.btn.btn-mini,input[type="submit"].btn.btn-mini{*padding-top:1px;*padding-bottom:1px;}
 .btn-link,.btn-link:active,.btn-link[disabled]{background-color:transparent;background-image:none;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;}
 .btn-link{border-color:transparent;cursor:pointer;color:#0088cc;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;}
 .btn-link:hover{color:#005580;text-decoration:underline;background-color:transparent;}
 .btn-link[disabled]:hover{color:#333333;text-decoration:none;}
 .btn-group{position:relative;display:inline-block;*display:inline;*zoom:1;font-size:0;vertical-align:middle;white-space:nowrap;*margin-left:.3em;}.btn-group:first-child{*margin-left:0;}
 .btn-group+.btn-group{margin-left:5px;}
 .btn-toolbar{font-size:0;margin-top:10px;margin-bottom:10px;}.btn-toolbar>.btn+.btn,.btn-toolbar>.btn-group+.btn,.btn-toolbar>.btn+.btn-group{margin-left:5px;}
 .btn-group>.btn{position:relative;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;}
 .btn-group>.btn+.btn{margin-left:-1px;}
 .btn-group>.btn,.btn-group>.dropdown-menu,.btn-group>.popover{font-size:13px;}
 .btn-group>.btn-mini{font-size:9.75px;}
 .btn-group>.btn-small{font-size:11.049999999999999px;}
 .btn-group>.btn-large{font-size:16.25px;}
 .btn-group>.btn:first-child{margin-left:0;-webkit-border-top-left-radius:4px;-moz-border-radius-topleft:4px;border-top-left-radius:4px;-webkit-border-bottom-left-radius:4px;-moz-border-radius-bottomleft:4px;border-bottom-left-radius:4px;}
 .btn-group>.btn:last-child,.btn-group>.dropdown-toggle{-webkit-border-top-right-radius:4px;-moz-border-radius-topright:4px;border-top-right-radius:4px;-webkit-border-bottom-right-radius:4px;-moz-border-radius-bottomright:4px;border-bottom-right-radius:4px;}
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 .navbar-inverse .nav li.dropdown>.dropdown-toggle .caret{border-top-color:#999999;border-bottom-color:#999999;}
 .navbar-inverse .nav li.dropdown.open>.dropdown-toggle .caret,.navbar-inverse .nav li.dropdown.active>.dropdown-toggle .caret,.navbar-inverse .nav li.dropdown.open.active>.dropdown-toggle .caret{border-top-color:#ffffff;border-bottom-color:#ffffff;}
 .navbar-inverse .navbar-search .search-query{color:#ffffff;background-color:#515151;border-color:#111111;-webkit-box-shadow:inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0 rgba(255,255,255,.15);-moz-box-shadow:inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0 rgba(255,255,255,.15);box-shadow:inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0 rgba(255,255,255,.15);-webkit-transition:none;-moz-transition:none;-o-transition:none;transition:none;}.navbar-inverse .navbar-search .search-query:-moz-placeholder{color:#cccccc;}
 .navbar-inverse .navbar-search .search-query:-ms-input-placeholder{color:#cccccc;}
 .navbar-inverse .navbar-search .search-query::-webkit-input-placeholder{color:#cccccc;}
 .navbar-inverse .navbar-search .search-query:focus,.navbar-inverse .navbar-search .search-query.focused{padding:5px 15px;color:#333333;text-shadow:0 1px 0 #ffffff;background-color:#ffffff;border:0;-webkit-box-shadow:0 0 3px rgba(0, 0, 0, 0.15);-moz-box-shadow:0 0 3px rgba(0, 0, 0, 0.15);box-shadow:0 0 3px rgba(0, 0, 0, 0.15);outline:0;}
 .navbar-inverse .btn-navbar{color:#ffffff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#0e0e0e;background-image:-moz-linear-gradient(top, #151515, #040404);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#151515), to(#040404));background-image:-webkit-linear-gradient(top, #151515, #040404);background-image:-o-linear-gradient(top, #151515, #040404);background-image:linear-gradient(to bottom, #151515, #040404);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff151515', endColorstr='#ff040404', GradientType=0);border-color:#040404 #040404 #000000;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);*background-color:#040404;filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);}.navbar-inverse .btn-navbar:hover,.navbar-inverse .btn-navbar:active,.navbar-inverse .btn-navbar.active,.navbar-inverse .btn-navbar.disabled,.navbar-inverse .btn-navbar[disabled]{color:#ffffff;background-color:#040404;*background-color:#000000;}
 .navbar-inverse .btn-navbar:active,.navbar-inverse .btn-navbar.active{background-color:#000000 \9;}
 .breadcrumb{padding:8px 15px;margin:0 0 20px;list-style:none;background-color:#f5f5f5;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}.breadcrumb>li{display:inline-block;*display:inline;*zoom:1;text-shadow:0 1px 0 #ffffff;}.breadcrumb>li>.divider{padding:0 5px;color:#ccc;}
 .breadcrumb>.active{color:#999999;}
 .pagination{margin:20px 0;}
 .pagination ul{display:inline-block;*display:inline;*zoom:1;margin-left:0;margin-bottom:0;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:0 1px 2px rgba(0, 0, 0, 0.05);-moz-box-shadow:0 1px 2px rgba(0, 0, 0, 0.05);box-shadow:0 1px 2px rgba(0, 0, 0, 0.05);}
 .pagination ul>li{display:inline;}
 .pagination ul>li>a,.pagination ul>li>span{float:left;padding:4px 12px;line-height:20px;text-decoration:none;background-color:#ffffff;border:1px solid #dddddd;border-left-width:0;}
 .pagination ul>li>a:hover,.pagination ul>.active>a,.pagination ul>.active>span{background-color:#f5f5f5;}
 .pagination ul>.active>a,.pagination ul>.active>span{color:#999999;cursor:default;}
 .pagination ul>.disabled>span,.pagination ul>.disabled>a,.pagination ul>.disabled>a:hover{color:#999999;background-color:transparent;cursor:default;}
 .pagination ul>li:first-child>a,.pagination ul>li:first-child>span{border-left-width:1px;-webkit-border-top-left-radius:4px;-moz-border-radius-topleft:4px;border-top-left-radius:4px;-webkit-border-bottom-left-radius:4px;-moz-border-radius-bottomleft:4px;border-bottom-left-radius:4px;}
 .pagination ul>li:last-child>a,.pagination ul>li:last-child>span{-webkit-border-top-right-radius:4px;-moz-border-radius-topright:4px;border-top-right-radius:4px;-webkit-border-bottom-right-radius:4px;-moz-border-radius-bottomright:4px;border-bottom-right-radius:4px;}
 .pagination-centered{text-align:center;}
 .pagination-right{text-align:right;}
 .pagination-large ul>li>a,.pagination-large ul>li>span{padding:11px 19px;font-size:16.25px;}
 .pagination-large ul>li:first-child>a,.pagination-large ul>li:first-child>span{-webkit-border-top-left-radius:6px;-moz-border-radius-topleft:6px;border-top-left-radius:6px;-webkit-border-bottom-left-radius:6px;-moz-border-radius-bottomleft:6px;border-bottom-left-radius:6px;}
 .pagination-large ul>li:last-child>a,.pagination-large ul>li:last-child>span{-webkit-border-top-right-radius:6px;-moz-border-radius-topright:6px;border-top-right-radius:6px;-webkit-border-bottom-right-radius:6px;-moz-border-radius-bottomright:6px;border-bottom-right-radius:6px;}
 .pagination-mini ul>li:first-child>a,.pagination-small ul>li:first-child>a,.pagination-mini ul>li:first-child>span,.pagination-small ul>li:first-child>span{-webkit-border-top-left-radius:3px;-moz-border-radius-topleft:3px;border-top-left-radius:3px;-webkit-border-bottom-left-radius:3px;-moz-border-radius-bottomleft:3px;border-bottom-left-radius:3px;}
 .pagination-mini ul>li:last-child>a,.pagination-small ul>li:last-child>a,.pagination-mini ul>li:last-child>span,.pagination-small ul>li:last-child>span{-webkit-border-top-right-radius:3px;-moz-border-radius-topright:3px;border-top-right-radius:3px;-webkit-border-bottom-right-radius:3px;-moz-border-radius-bottomright:3px;border-bottom-right-radius:3px;}
 .pagination-small ul>li>a,.pagination-small ul>li>span{padding:2px 10px;font-size:11.049999999999999px;}
 .pagination-mini ul>li>a,.pagination-mini ul>li>span{padding:0 6px;font-size:9.75px;}
 .pager{margin:20px 0;list-style:none;text-align:center;*zoom:1;}.pager:before,.pager:after{display:table;content:"";line-height:0;}
 .pager:after{clear:both;}
 .pager li{display:inline;}
 .pager li>a,.pager li>span{display:inline-block;padding:5px 14px;background-color:#fff;border:1px solid #ddd;-webkit-border-radius:15px;-moz-border-radius:15px;border-radius:15px;}
 .pager li>a:hover{text-decoration:none;background-color:#f5f5f5;}
 .pager .next>a,.pager .next>span{float:right;}
 .pager .previous>a,.pager .previous>span{float:left;}
 .pager .disabled>a,.pager .disabled>a:hover,.pager .disabled>span{color:#999999;background-color:#fff;cursor:default;}
 .modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1040;background-color:#000000;}.modal-backdrop.fade{opacity:0;}
 .modal-backdrop,.modal-backdrop.fade.in{opacity:0.8;filter:alpha(opacity=80);}
 .modal{position:fixed;top:10%;left:50%;z-index:1050;width:560px;margin-left:-280px;background-color:#ffffff;border:1px solid #999;border:1px solid rgba(0, 0, 0, 0.3);*border:1px solid #999;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;-webkit-box-shadow:0 3px 7px rgba(0, 0, 0, 0.3);-moz-box-shadow:0 3px 7px rgba(0, 0, 0, 0.3);box-shadow:0 3px 7px rgba(0, 0, 0, 0.3);-webkit-background-clip:padding-box;-moz-background-clip:padding-box;background-clip:padding-box;outline:none;}.modal.fade{-webkit-transition:opacity .3s linear, top .3s ease-out;-moz-transition:opacity .3s linear, top .3s ease-out;-o-transition:opacity .3s linear, top .3s ease-out;transition:opacity .3s linear, top .3s ease-out;top:-25%;}
 .modal.fade.in{top:10%;}
 .modal-header{padding:9px 15px;border-bottom:1px solid #eee;}.modal-header .close{margin-top:2px;}
 .modal-header h3{margin:0;line-height:30px;}
 .modal-body{position:relative;overflow-y:auto;max-height:400px;padding:15px;}
 .modal-form{margin-bottom:0;}
 .modal-footer{padding:14px 15px 15px;margin-bottom:0;text-align:right;background-color:#f5f5f5;border-top:1px solid #ddd;-webkit-border-radius:0 0 6px 6px;-moz-border-radius:0 0 6px 6px;border-radius:0 0 6px 6px;-webkit-box-shadow:inset 0 1px 0 #ffffff;-moz-box-shadow:inset 0 1px 0 #ffffff;box-shadow:inset 0 1px 0 #ffffff;*zoom:1;}.modal-footer:before,.modal-footer:after{display:table;content:"";line-height:0;}
 .modal-footer:after{clear:both;}
 .modal-footer .btn+.btn{margin-left:5px;margin-bottom:0;}
 .modal-footer .btn-group .btn+.btn{margin-left:-1px;}
 .modal-footer .btn-block+.btn-block{margin-left:0;}
 .tooltip{position:absolute;z-index:1030;display:block;visibility:visible;padding:5px;font-size:11px;opacity:0;filter:alpha(opacity=0);}.tooltip.in{opacity:0.8;filter:alpha(opacity=80);}
 .tooltip.top{margin-top:-3px;}
 .tooltip.right{margin-left:3px;}
 .tooltip.bottom{margin-top:3px;}
 .tooltip.left{margin-left:-3px;}
 .tooltip-inner{max-width:200px;padding:3px 8px;color:#ffffff;text-align:center;text-decoration:none;background-color:#000000;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}
 .tooltip-arrow{position:absolute;width:0;height:0;border-color:transparent;border-style:solid;}
 .tooltip.top .tooltip-arrow{bottom:0;left:50%;margin-left:-5px;border-width:5px 5px 0;border-top-color:#000000;}
 .tooltip.right .tooltip-arrow{top:50%;left:0;margin-top:-5px;border-width:5px 5px 5px 0;border-right-color:#000000;}
 .tooltip.left .tooltip-arrow{top:50%;right:0;margin-top:-5px;border-width:5px 0 5px 5px;border-left-color:#000000;}
 .tooltip.bottom .tooltip-arrow{top:0;left:50%;margin-left:-5px;border-width:0 5px 5px;border-bottom-color:#000000;}
 .popover{position:absolute;top:0;left:0;z-index:1010;display:none;width:236px;padding:1px;text-align:left;background-color:#ffffff;-webkit-background-clip:padding-box;-moz-background-clip:padding;background-clip:padding-box;border:1px solid #ccc;border:1px solid rgba(0, 0, 0, 0.2);-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;-webkit-box-shadow:0 5px 10px rgba(0, 0, 0, 0.2);-moz-box-shadow:0 5px 10px rgba(0, 0, 0, 0.2);box-shadow:0 5px 10px rgba(0, 0, 0, 0.2);white-space:normal;}.popover.top{margin-top:-10px;}
 .popover.right{margin-left:10px;}
 .popover.bottom{margin-top:10px;}
 .popover.left{margin-left:-10px;}
 .popover-title{margin:0;padding:8px 14px;font-size:14px;font-weight:normal;line-height:18px;background-color:#f7f7f7;border-bottom:1px solid #ebebeb;-webkit-border-radius:5px 5px 0 0;-moz-border-radius:5px 5px 0 0;border-radius:5px 5px 0 0;}
 .popover-content{padding:9px 14px;}
 .popover .arrow,.popover .arrow:after{position:absolute;display:block;width:0;height:0;border-color:transparent;border-style:solid;}
 .popover .arrow{border-width:11px;}
 .popover .arrow:after{border-width:10px;content:"";}
 .popover.top .arrow{left:50%;margin-left:-11px;border-bottom-width:0;border-top-color:#999;border-top-color:rgba(0, 0, 0, 0.25);bottom:-11px;}.popover.top .arrow:after{bottom:1px;margin-left:-10px;border-bottom-width:0;border-top-color:#ffffff;}
 .popover.right .arrow{top:50%;left:-11px;margin-top:-11px;border-left-width:0;border-right-color:#999;border-right-color:rgba(0, 0, 0, 0.25);}.popover.right .arrow:after{left:1px;bottom:-10px;border-left-width:0;border-right-color:#ffffff;}
 .popover.bottom .arrow{left:50%;margin-left:-11px;border-top-width:0;border-bottom-color:#999;border-bottom-color:rgba(0, 0, 0, 0.25);top:-11px;}.popover.bottom .arrow:after{top:1px;margin-left:-10px;border-top-width:0;border-bottom-color:#ffffff;}
 .popover.left .arrow{top:50%;right:-11px;margin-top:-11px;border-right-width:0;border-left-color:#999;border-left-color:rgba(0, 0, 0, 0.25);}.popover.left .arrow:after{right:1px;border-right-width:0;border-left-color:#ffffff;bottom:-10px;}
 .thumbnails{margin-left:-20px;list-style:none;*zoom:1;}.thumbnails:before,.thumbnails:after{display:table;content:"";line-height:0;}
 .thumbnails:after{clear:both;}
 .row-fluid .thumbnails{margin-left:0;}
 .thumbnails>li{float:left;margin-bottom:20px;margin-left:20px;}
 .thumbnail{display:block;padding:4px;line-height:20px;border:1px solid #ddd;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:0 1px 3px rgba(0, 0, 0, 0.055);-moz-box-shadow:0 1px 3px rgba(0, 0, 0, 0.055);box-shadow:0 1px 3px rgba(0, 0, 0, 0.055);-webkit-transition:all 0.2s ease-in-out;-moz-transition:all 0.2s ease-in-out;-o-transition:all 0.2s ease-in-out;transition:all 0.2s ease-in-out;}
 a.thumbnail:hover{border-color:#0088cc;-webkit-box-shadow:0 1px 4px rgba(0, 105, 214, 0.25);-moz-box-shadow:0 1px 4px rgba(0, 105, 214, 0.25);box-shadow:0 1px 4px rgba(0, 105, 214, 0.25);}
 .thumbnail>img{display:block;max-width:100%;margin-left:auto;margin-right:auto;}
 .thumbnail .caption{padding:9px;color:#555555;}
 .media,.media-body{overflow:hidden;*overflow:visible;zoom:1;}
 .media,.media .media{margin-top:15px;}
 .media:first-child{margin-top:0;}
 .media-object{display:block;}
 .media-heading{margin:0 0 5px;}
 .media .pull-left{margin-right:10px;}
 .media .pull-right{margin-left:10px;}
 .media-list{margin-left:0;list-style:none;}
 .label,.badge{display:inline-block;padding:2px 4px;font-size:10.998px;font-weight:bold;line-height:14px;color:#ffffff;vertical-align:baseline;white-space:nowrap;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#999999;}
 .label{-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;}
 .badge{padding-left:9px;padding-right:9px;-webkit-border-radius:9px;-moz-border-radius:9px;border-radius:9px;}
 .label:empty,.badge:empty{display:none;}
 a.label:hover,a.badge:hover{color:#ffffff;text-decoration:none;cursor:pointer;}
 .label-important,.badge-important{background-color:#b94a48;}
 .label-important[href],.badge-important[href]{background-color:#953b39;}
 .label-warning,.badge-warning{background-color:#f89406;}
 .label-warning[href],.badge-warning[href]{background-color:#c67605;}
 .label-success,.badge-success{background-color:#468847;}
 .label-success[href],.badge-success[href]{background-color:#356635;}
 .label-info,.badge-info{background-color:#3a87ad;}
 .label-info[href],.badge-info[href]{background-color:#2d6987;}
 .label-inverse,.badge-inverse{background-color:#333333;}
 .label-inverse[href],.badge-inverse[href]{background-color:#1a1a1a;}
 .btn .label,.btn .badge{position:relative;top:-1px;}
 .btn-mini .label,.btn-mini .badge{top:0;}
 @-webkit-keyframes progress-bar-stripes{from{background-position:40px 0;} to{background-position:0 0;}}@-moz-keyframes progress-bar-stripes{from{background-position:40px 0;} to{background-position:0 0;}}@-ms-keyframes progress-bar-stripes{from{background-position:40px 0;} to{background-position:0 0;}}@-o-keyframes progress-bar-stripes{from{background-position:0 0;} to{background-position:40px 0;}}@keyframes progress-bar-stripes{from{background-position:40px 0;} to{background-position:0 0;}}.progress{overflow:hidden;height:20px;margin-bottom:20px;background-color:#f7f7f7;background-image:-moz-linear-gradient(top, #f5f5f5, #f9f9f9);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#f5f5f5), to(#f9f9f9));background-image:-webkit-linear-gradient(top, #f5f5f5, #f9f9f9);background-image:-o-linear-gradient(top, #f5f5f5, #f9f9f9);background-image:linear-gradient(to bottom, #f5f5f5, #f9f9f9);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#fff9f9f9', GradientType=0);-webkit-box-shadow:inset 0 1px 2px rgba(0, 0, 0, 0.1);-moz-box-shadow:inset 0 1px 2px rgba(0, 0, 0, 0.1);box-shadow:inset 0 1px 2px rgba(0, 0, 0, 0.1);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}
 .progress .bar{width:0%;height:100%;color:#ffffff;float:left;font-size:12px;text-align:center;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);background-color:#0e90d2;background-image:-moz-linear-gradient(top, #149bdf, #0480be);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#149bdf), to(#0480be));background-image:-webkit-linear-gradient(top, #149bdf, #0480be);background-image:-o-linear-gradient(top, #149bdf, #0480be);background-image:linear-gradient(to bottom, #149bdf, #0480be);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff149bdf', endColorstr='#ff0480be', GradientType=0);-webkit-box-shadow:inset 0 -1px 0 rgba(0, 0, 0, 0.15);-moz-box-shadow:inset 0 -1px 0 rgba(0, 0, 0, 0.15);box-shadow:inset 0 -1px 0 rgba(0, 0, 0, 0.15);-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;-webkit-transition:width 0.6s ease;-moz-transition:width 0.6s ease;-o-transition:width 0.6s ease;transition:width 0.6s ease;}
 .progress .bar+.bar{-webkit-box-shadow:inset 1px 0 0 rgba(0,0,0,.15), inset 0 -1px 0 rgba(0,0,0,.15);-moz-box-shadow:inset 1px 0 0 rgba(0,0,0,.15), inset 0 -1px 0 rgba(0,0,0,.15);box-shadow:inset 1px 0 0 rgba(0,0,0,.15), inset 0 -1px 0 rgba(0,0,0,.15);}
 .progress-striped .bar{background-color:#149bdf;background-image:-webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));background-image:-webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);-webkit-background-size:40px 40px;-moz-background-size:40px 40px;-o-background-size:40px 40px;background-size:40px 40px;}
 .progress.active .bar{-webkit-animation:progress-bar-stripes 2s linear infinite;-moz-animation:progress-bar-stripes 2s linear infinite;-ms-animation:progress-bar-stripes 2s linear infinite;-o-animation:progress-bar-stripes 2s linear infinite;animation:progress-bar-stripes 2s linear infinite;}
 .progress-danger .bar,.progress .bar-danger{background-color:#dd514c;background-image:-moz-linear-gradient(top, #ee5f5b, #c43c35);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#ee5f5b), to(#c43c35));background-image:-webkit-linear-gradient(top, #ee5f5b, #c43c35);background-image:-o-linear-gradient(top, #ee5f5b, #c43c35);background-image:linear-gradient(to bottom, #ee5f5b, #c43c35);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffee5f5b', endColorstr='#ffc43c35', GradientType=0);}
 .progress-danger.progress-striped .bar,.progress-striped .bar-danger{background-color:#ee5f5b;background-image:-webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));background-image:-webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);}
 .progress-success .bar,.progress .bar-success{background-color:#5eb95e;background-image:-moz-linear-gradient(top, #62c462, #57a957);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#62c462), to(#57a957));background-image:-webkit-linear-gradient(top, #62c462, #57a957);background-image:-o-linear-gradient(top, #62c462, #57a957);background-image:linear-gradient(to bottom, #62c462, #57a957);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff62c462', endColorstr='#ff57a957', GradientType=0);}
 .progress-success.progress-striped .bar,.progress-striped .bar-success{background-color:#62c462;background-image:-webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));background-image:-webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);}
 .progress-info .bar,.progress .bar-info{background-color:#4bb1cf;background-image:-moz-linear-gradient(top, #5bc0de, #339bb9);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#5bc0de), to(#339bb9));background-image:-webkit-linear-gradient(top, #5bc0de, #339bb9);background-image:-o-linear-gradient(top, #5bc0de, #339bb9);background-image:linear-gradient(to bottom, #5bc0de, #339bb9);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5bc0de', endColorstr='#ff339bb9', GradientType=0);}
 .progress-info.progress-striped .bar,.progress-striped .bar-info{background-color:#5bc0de;background-image:-webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));background-image:-webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);}
 .progress-warning .bar,.progress .bar-warning{background-color:#faa732;background-image:-moz-linear-gradient(top, #fbb450, #f89406);background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#fbb450), to(#f89406));background-image:-webkit-linear-gradient(top, #fbb450, #f89406);background-image:-o-linear-gradient(top, #fbb450, #f89406);background-image:linear-gradient(to bottom, #fbb450, #f89406);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffbb450', endColorstr='#fff89406', GradientType=0);}
 .progress-warning.progress-striped .bar,.progress-striped .bar-warning{background-color:#fbb450;background-image:-webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));background-image:-webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:-o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);background-image:linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);}
 .accordion{margin-bottom:20px;}
 .accordion-group{margin-bottom:2px;border:1px solid #e5e5e5;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}
 .accordion-heading{border-bottom:0;}
 .accordion-heading .accordion-toggle{display:block;padding:8px 15px;}
 .accordion-toggle{cursor:pointer;}
 .accordion-inner{padding:9px 15px;border-top:1px solid #e5e5e5;}
 .carousel{position:relative;margin-bottom:20px;line-height:1;}
 .carousel-inner{overflow:hidden;width:100%;position:relative;}
 .carousel-inner>.item{display:none;position:relative;-webkit-transition:0.6s ease-in-out left;-moz-transition:0.6s ease-in-out left;-o-transition:0.6s ease-in-out left;transition:0.6s ease-in-out left;}
 .carousel-inner>.item>img{display:block;line-height:1;}
 .carousel-inner>.active,.carousel-inner>.next,.carousel-inner>.prev{display:block;}
 .carousel-inner>.active{left:0;}
 .carousel-inner>.next,.carousel-inner>.prev{position:absolute;top:0;width:100%;}
 .carousel-inner>.next{left:100%;}
 .carousel-inner>.prev{left:-100%;}
 .carousel-inner>.next.left,.carousel-inner>.prev.right{left:0;}
 .carousel-inner>.active.left{left:-100%;}
 .carousel-inner>.active.right{left:100%;}
 .carousel-control{position:absolute;top:40%;left:15px;width:40px;height:40px;margin-top:-20px;font-size:60px;font-weight:100;line-height:30px;color:#ffffff;text-align:center;background:#222222;border:3px solid #ffffff;-webkit-border-radius:23px;-moz-border-radius:23px;border-radius:23px;opacity:0.5;filter:alpha(opacity=50);}.carousel-control.right{left:auto;right:15px;}
 .carousel-control:hover{color:#ffffff;text-decoration:none;opacity:0.9;filter:alpha(opacity=90);}
 .carousel-caption{position:absolute;left:0;right:0;bottom:0;padding:15px;background:#333333;background:rgba(0, 0, 0, 0.75);}
 .carousel-caption h4,.carousel-caption p{color:#ffffff;line-height:20px;}
 .carousel-caption h4{margin:0 0 5px;}
 .carousel-caption p{margin-bottom:0;}
 .hero-unit{padding:60px;margin-bottom:30px;font-size:18px;font-weight:200;line-height:30px;color:inherit;background-color:#eeeeee;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;}.hero-unit h1{margin-bottom:0;font-size:60px;line-height:1;color:inherit;letter-spacing:-1px;}
 .hero-unit li{line-height:30px;}
 .pull-right{float:right;}
 .pull-left{float:left;}
 .hide{display:none;}
 .show{display:block;}
 .invisible{visibility:hidden;}
 .affix{position:fixed;}
 .corner-all{border-radius:4px;}
 .hbox{display:-webkit-box;-webkit-box-orient:horizontal;-webkit-box-align:stretch;display:-moz-box;-moz-box-orient:horizontal;-moz-box-align:stretch;display:box;box-orient:horizontal;box-align:stretch;}
 .hbox>*{-webkit-box-flex:0;-moz-box-flex:0;box-flex:0;}
 .vbox{display:-webkit-box;-webkit-box-orient:vertical;-webkit-box-align:stretch;display:-moz-box;-moz-box-orient:vertical;-moz-box-align:stretch;display:box;box-orient:vertical;box-align:stretch;width:100%;}
 .vbox>*{-webkit-box-flex:0;-moz-box-flex:0;box-flex:0;}
 .reverse{-webkit-box-direction:reverse;-moz-box-direction:reverse;box-direction:reverse;}
 .box-flex0{-webkit-box-flex:0;-moz-box-flex:0;box-flex:0;}
 .box-flex1{-webkit-box-flex:1;-moz-box-flex:1;box-flex:1;}
 .box-flex{-webkit-box-flex:1;-moz-box-flex:1;box-flex:1;}
 .box-flex2{-webkit-box-flex:2;-moz-box-flex:2;box-flex:2;}
 .box-group1{-webkit-box-flex-group:1;-moz-box-flex-group:1;box-flex-group:1;}
 .box-group2{-webkit-box-flex-group:2;-moz-box-flex-group:2;box-flex-group:2;}
 .start{-webkit-box-pack:start;-moz-box-pack:start;box-pack:start;}
 .end{-webkit-box-pack:end;-moz-box-pack:end;box-pack:end;}
 .center{-webkit-box-pack:center;-moz-box-pack:center;box-pack:center;}
 .corner-all{border-radius:4px;}
 body{background-color:#ffffff;}
 body.notebook_app{overflow:hidden;}
 blockquote{border-left:4px solid #DDD;padding:0 15px;color:#777;}
 span#save_widget{padding:5px;margin:0px 0px 0px 300px;display:inline-block;}
 span#notebook_name{height:1em;line-height:1em;padding:3px;border:none;font-size:146.5%;}
 .ui-menubar-item .ui-button .ui-button-text{padding:0.4em 1.0em;font-size:100%;}
 .ui-menu{-moz-box-shadow:0px 6px 10px -1px #adadad;-webkit-box-shadow:0px 6px 10px -1px #adadad;box-shadow:0px 6px 10px -1px #adadad;}
 .ui-menu .ui-menu-item a{border:1px solid transparent;padding:2px 1.6em;}
 .ui-menu .ui-menu-item a.ui-state-focus{margin:0;}
 .ui-menu hr{margin:0.3em 0;}
 #menubar_container{position:relative;}
 #notification_area{position:absolute;right:0px;top:0px;height:25px;padding:3px 0px;padding-right:3px;z-index:10;}
 .notification_widget{float:right;right:0px;top:1px;height:25px;padding:3px 6px;z-index:10;}
 .toolbar{padding:3px 15px;border-bottom:1px #ababab solid;}.toolbar button{margin-top:2px;margin-bottom:2px;}
 .toolbar select,.toolbar label{height:19px;vertical-align:middle;margin-right:2px;margin-bottom:0;display:inline;font-size:92%;margin-left:0.3em;margin-right:0.3em;padding:0px;}
 .toolbar select{width:auto;}
 #ipython-main-app{width:100%;position:relative;font-size:110%;}
 span#quick_help_area{position:static;padding:5px 0px;margin:0px 0px 0px 0px;}
 .help_string{float:right;width:170px;padding:0px 5px;text-align:left;font-size:85%;}
 .help_string_label{float:right;font-size:85%;}
 div#notebook_panel{margin:0px 0px 0px 0px;padding:0px;}
 div#notebook{overflow-y:scroll;overflow-x:auto;width:100%;padding:5px 5px 15px 5px;margin:0px;}
 div#pager_splitter{height:8px;}
 #pager_container{position:relative;}
 div#pager{padding:15px;overflow:auto;display:none;}
 div.ui-widget-content{border:1px solid #ababab;outline:none;}
 .cell{border:1px solid transparent;display:-webkit-box;-webkit-box-orient:vertical;-webkit-box-align:stretch;display:-moz-box;-moz-box-orient:vertical;-moz-box-align:stretch;display:box;box-orient:vertical;box-align:stretch;width:100%;}.cell.selected{border-radius:4px;border:thin #ababab solid;}
 div.cell{width:100%;padding:5px 5px 5px 0px;margin:2px 0px 2px 0px;outline:none;}
 div.prompt{width:11ex;padding:0.4em;margin:0px;font-family:monospace;text-align:right;line-height:1.231;}
 div.input{page-break-inside:avoid;display:-webkit-box;-webkit-box-orient:horizontal;-webkit-box-align:stretch;display:-moz-box;-moz-box-orient:horizontal;-moz-box-align:stretch;display:box;box-orient:horizontal;box-align:stretch;}
 div.input_area{border:1px solid #cfcfcf;border-radius:4px;background:#f7f7f7;}
 div.input_prompt{color:navy;border-top:1px solid transparent;}
 div.output_wrapper{margin-top:5px;margin-left:5px;width:100%;position:relative;}
 div.output_scroll{height:24em;width:100%;overflow:auto;border-radius:4px;box-shadow:inset 0 2px 8px rgba(0, 0, 0, 0.8);}
 div.output_collapsed{margin-right:5px;}
 div.out_prompt_overlay{height:100%;padding:0px;position:absolute;border-radius:4px;}
 div.out_prompt_overlay:hover{box-shadow:inset 0 0 1px #000;background:rgba(240, 240, 240, 0.5);}
 div.output_prompt{color:darkred;margin:0 5px 0 -5px;}
 div.output_area{padding:0px;page-break-inside:avoid;display:-webkit-box;-webkit-box-orient:horizontal;-webkit-box-align:stretch;display:-moz-box;-moz-box-orient:horizontal;-moz-box-align:stretch;display:box;box-orient:horizontal;box-align:stretch;}
 div.output_area pre{font-family:monospace;margin:0;padding:0;border:0;font-size:100%;vertical-align:baseline;color:black;}
 div.output_subarea{padding:0.44em 0.4em 0.4em 1px;-webkit-box-flex:1;-moz-box-flex:1;box-flex:1;}
 div.output_text{text-align:left;color:#000000;font-family:monospace;line-height:1.231;}
 div.output_stream{padding-top:0.0em;padding-bottom:0.0em;}
 div.output_stderr{background:#fdd;}
 div.output_latex{text-align:left;}
 div.text_cell{padding:5px 5px 5px 5px;}
 div.text_cell_input{color:#000000;border:1px solid #cfcfcf;border-radius:4px;background:#f7f7f7;}
 div.text_cell_render{outline:none;resize:none;width:inherit;border-style:none;padding:5px;color:#000000;}
 .CodeMirror{line-height:1.231;}
 .CodeMirror-scroll{height:auto;overflow-y:hidden;overflow-x:auto;}
 .ansiblack{color:#000000;}
 .ansired{color:darkred;}
 .ansigreen{color:darkgreen;}
 .ansiyellow{color:brown;}
 .ansiblue{color:darkblue;}
 .ansipurple{color:darkviolet;}
 .ansicyan{color:steelblue;}
 .ansigrey{color:grey;}
 .ansibold{font-weight:bold;}
 .completions{position:absolute;z-index:10;overflow:hidden;border:1px solid #ababab;}
 .completions select{background:white;outline:none;border:none;padding:0px;margin:0px;overflow:auto;font-family:monospace;}
 option.context{background-color:#DEF7FF;}
 option.introspection{background-color:#EBF4EB;}
 .completions p b{font-weight:bold;}
 .completions p{background:#DDF;border-bottom:black solid 1px;padding:1px;font-family:monospace;}
 pre.dialog{background-color:#f7f7f7;border:1px solid #ddd;border-radius:4px;padding:0.4em;padding-left:2em;}
 p.dialog{padding:0.2em;}
 .shortcut_key{display:inline-block;width:15ex;text-align:right;font-family:monospace;}
 pre,code,kbd,samp{white-space:pre-wrap;}
 #fonttest{font-family:monospace;}
 .js-error{color:darkred;}
 a{text-decoration:underline;}
 p{margin-bottom:0;}
 a.heading-anchor:link,a.heading-anchor:visited{text-decoration:none;color:inherit;}
+div.raw_input{padding-top:0px;padding-bottom:0px;height:1em;line-height:1em;font-family:monospace;}
+span.input_prompt{font-family:inherit;}
+input.raw_input{font-family:inherit;font-size:inherit;color:inherit;width:auto;margin:-2px 0px 0px 1px;padding-left:1px;padding-top:2px;height:1em;}
 @media print{body{overflow:visible !important;} div#notebook{overflow:visible !important;} .ui-widget-content{border:0px;} #save_widget{margin:0px !important;} #header,#pager,#pager_splitter,#menubar,#toolbar{display:none !important;} .cell{border:none !important;} .toolbar{display:none;}}.rendered_html{color:black;}.rendered_html em{font-style:italic;}
 .rendered_html strong{font-weight:bold;}
 .rendered_html u{text-decoration:underline;}
 .rendered_html :link{text-decoration:underline;}
 .rendered_html :visited{text-decoration:underline;}
 .rendered_html h1{font-size:197%;margin:.65em 0;font-weight:bold;}
 .rendered_html h2{font-size:153.9%;margin:.75em 0;font-weight:bold;}
 .rendered_html h3{font-size:123.1%;margin:.85em 0;font-weight:bold;}
 .rendered_html h4{font-size:100%;margin:0.95em 0;font-weight:bold;}
 .rendered_html h5{font-size:85%;margin:1.5em 0;font-weight:bold;}
 .rendered_html h6{font-size:77%;margin:1.65em 0;font-weight:bold;}
 .rendered_html ul{list-style:disc;margin:1em 2em;}
 .rendered_html ul ul{list-style:square;margin:0em 2em;}
 .rendered_html ul ul ul{list-style:circle;margin:0em 2em;}
 .rendered_html ol{list-style:decimal;margin:1em 2em;}
 .rendered_html ol ol{list-style:upper-alpha;margin:0em 2em;}
 .rendered_html ol ol ol{list-style:lower-alpha;margin:0em 2em;}
 .rendered_html ol ol ol ol{list-style:lower-roman;margin:0em 2em;}
 .rendered_html ol ol ol ol ol{list-style:decimal;margin:0em 2em;}
 .rendered_html hr{color:black;background-color:black;}
 .rendered_html pre{margin:1em 2em;}
 .rendered_html blockquote{margin:1em 2em;}
 .rendered_html table,.rendered_html tr,.rendered_html th,.rendered_html td{border:1px solid black;border-collapse:collapse;margin:1em 2em;}
 .rendered_html td,.rendered_html th{text-align:left;vertical-align:middle;padding:4px;}
 .rendered_html th{font-weight:bold;}
 .rendered_html p{text-align:justify;}
 .rendered_html p+p{margin-top:1em;}
 .corner-all{border-radius:4px;}
 @-moz-keyframes fadeOut{from{opacity:1;} to{opacity:0;}}@-webkit-keyframes fadeOut{from{opacity:1;} to{opacity:0;}}@-moz-keyframes fadeIn{from{opacity:0;} to{opacity:1;}}@-webkit-keyframes fadeIn{from{opacity:0;} to{opacity:1;}}.bigtooltip{overflow:auto;height:200px;-webkit-transition-property:height;-webkit-transition-duration:500ms;-moz-transition-property:height;-moz-transition-duration:500ms;transition-property:height;transition-duration:500ms;}
 .smalltooltip{-webkit-transition-property:height;-webkit-transition-duration:500ms;-moz-transition-property:height;-moz-transition-duration:500ms;transition-property:height;transition-duration:500ms;text-overflow:ellipsis;overflow:hidden;height:80px;}
 .tooltipbuttons{position:absolute;padding-right:15px;top:0px;right:0px;}
 .tooltiptext{padding-right:30px;}
 .ipython_tooltip{max-width:700px;-webkit-animation:fadeOut 400ms;-moz-animation:fadeOut 400ms;animation:fadeOut 400ms;-webkit-animation:fadeIn 400ms;-moz-animation:fadeIn 400ms;animation:fadeIn 400ms;vertical-align:middle;background-color:#f7f7f7;overflow:visible;border:#ababab 1px solid;outline:none;padding:3px;margin:0px;padding-left:7px;font-family:monospace;min-height:50px;-moz-box-shadow:0px 6px 10px -1px #adadad;-webkit-box-shadow:0px 6px 10px -1px #adadad;box-shadow:0px 6px 10px -1px #adadad;border-radius:4px;position:absolute;}.ipython_tooltip a{float:right;}
 .pretooltiparrow{left:0px;margin:0px;top:-16px;width:40px;height:16px;overflow:hidden;position:absolute;}
 .pretooltiparrow:before{background-color:#f7f7f7;border:1px #ababab solid;z-index:11;content:"";position:absolute;left:15px;top:10px;width:25px;height:25px;-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);}

IPython/frontend/html/notebook/static/js/codecell.js

@@ -1,425 +1,439 b''
 //----------------------------------------------------------------------------
 //  Copyright (C) 2008-2011  The IPython Development Team
 //
 //  Distributed under the terms of the BSD License.  The full license is in
 //  the file COPYING, distributed as part of this software.
 //----------------------------------------------------------------------------
 
 //============================================================================
 // CodeCell
 //============================================================================
 /**
  * An extendable module that provide base functionnality to create cell for notebook.
  * @module IPython
  * @namespace IPython
  * @submodule CodeCell
  */
 
 
 /* local util for codemirror */
 var posEq = function(a, b) {return a.line == b.line && a.ch == b.ch;}
 
 /**
  *
  * function to delete until previous non blanking space character
  * or first multiple of 4 tabstop.
  * @private
  */
 CodeMirror.commands.delSpaceToPrevTabStop = function(cm){
     var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
     if (!posEq(from, to)) {cm.replaceRange("", from, to); return}
     var cur = cm.getCursor(), line = cm.getLine(cur.line);
     var tabsize = cm.getOption('tabSize');
     var chToPrevTabStop = cur.ch-(Math.ceil(cur.ch/tabsize)-1)*tabsize;
     var from = {ch:cur.ch-chToPrevTabStop,line:cur.line}
     var select = cm.getRange(from,cur)
     if( select.match(/^\ +$/) != null){
         cm.replaceRange("",from,cur)
     } else {
         cm.deleteH(-1,"char")
     }
 };
 
 
 var IPython = (function (IPython) {
     "use strict";
 
     var utils = IPython.utils;
     var key   = IPython.utils.keycodes;
     CodeMirror.modeURL = "/static/codemirror/mode/%N/%N.js";
 
     /**
      * A Cell conceived to write code.
      *
      * The kernel doesn't have to be set at creation time, in that case
      * it will be null and set_kernel has to be called later.
      * @class CodeCell
      * @extends IPython.Cell
      *
      * @constructor
      * @param {Object|null} kernel
      * @param {object|undefined} [options]
      *      @param [options.cm_config] {object} config to pass to CodeMirror
      */
     var CodeCell = function (kernel, options) {
         this.kernel = kernel || null;
         this.code_mirror = null;
         this.input_prompt_number = null;
         this.collapsed = false;
         this.default_mode = 'python';
 
 
         var cm_overwrite_options  = {
             onKeyEvent: $.proxy(this.handle_codemirror_keyevent,this)
         };
 
         options = this.mergeopt(CodeCell, options, {cm_config:cm_overwrite_options});
 
         IPython.Cell.apply(this,[options]);
 
         var that = this;
         this.element.focusout(
             function() { that.auto_highlight(); }
         );
     };
 
     CodeCell.options_default = {
         cm_config : {
             extraKeys: {"Tab": "indentMore","Shift-Tab" : "indentLess",'Backspace':"delSpaceToPrevTabStop"},
             mode: 'python',
             theme: 'ipython',
             matchBrackets: true
         }
     };
 
 
     CodeCell.prototype = new IPython.Cell();
 
     /**
      * @method auto_highlight
      */
     CodeCell.prototype.auto_highlight = function () {
         this._auto_highlight(IPython.config.cell_magic_highlight)
     };
 
     /** @method create_element */
     CodeCell.prototype.create_element = function () {
         IPython.Cell.prototype.create_element.apply(this, arguments);
 
         var cell =  $('<div></div>').addClass('cell border-box-sizing code_cell');
         cell.attr('tabindex','2');
 
         this.celltoolbar = new IPython.CellToolbar(this);
 
         var input = $('<div></div>').addClass('input');
         var vbox = $('<div/>').addClass('vbox box-flex1')
         input.append($('<div/>').addClass('prompt input_prompt'));
         vbox.append(this.celltoolbar.element);
         var input_area = $('<div/>').addClass('input_area');
         this.code_mirror = CodeMirror(input_area.get(0), this.cm_config);
         $(this.code_mirror.getInputField()).attr("spellcheck", "false");
         vbox.append(input_area);
         input.append(vbox);
         var output = $('<div></div>');
         cell.append(input).append(output);
         this.element = cell;
         this.output_area = new IPython.OutputArea(output, true);
 
         // construct a completer only if class exist
         // otherwise no print view
         if (IPython.Completer !== undefined)
         {
             this.completer = new IPython.Completer(this);
         }
     };
 
     /**
      *  This method gets called in CodeMirror's onKeyDown/onKeyPress
      *  handlers and is used to provide custom key handling. Its return
      *  value is used to determine if CodeMirror should ignore the event:
      *  true = ignore, false = don't ignore.
      *  @method handle_codemirror_keyevent
      */
     CodeCell.prototype.handle_codemirror_keyevent = function (editor, event) {
 
         if (this.read_only){
             return false;
         }
 
         var that = this;
         // whatever key is pressed, first, cancel the tooltip request before
         // they are sent, and remove tooltip if any, except for tab again
         if (event.type === 'keydown' && event.which != key.TAB ) {
             IPython.tooltip.remove_and_cancel_tooltip();
         };
 
         var cur = editor.getCursor();
         if (event.keyCode === key.ENTER){
             this.auto_highlight();
         }
 
         if (event.keyCode === key.ENTER && (event.shiftKey || event.ctrlKey)) {
             // Always ignore shift-enter in CodeMirror as we handle it.
             return true;
         } else if (event.which === 40 && event.type === 'keypress' && IPython.tooltip.time_before_tooltip >= 0) {
             // triger on keypress (!) otherwise inconsistent event.which depending on plateform
             // browser and keyboard layout !
             // Pressing '(' , request tooltip, don't forget to reappend it
             IPython.tooltip.pending(that);
         } else if (event.which === key.UPARROW && event.type === 'keydown') {
             // If we are not at the top, let CM handle the up arrow and
             // prevent the global keydown handler from handling it.
             if (!that.at_top()) {
                 event.stop();
                 return false;
             } else {
                 return true;
             };
         } else if (event.which === key.ESC) {
             IPython.tooltip.remove_and_cancel_tooltip(true);
             return true;
         } else if (event.which === key.DOWNARROW && event.type === 'keydown') {
             // If we are not at the bottom, let CM handle the down arrow and
             // prevent the global keydown handler from handling it.
             if (!that.at_bottom()) {
                 event.stop();
                 return false;
             } else {
                 return true;
             };
         } else if (event.keyCode === key.TAB && event.type == 'keydown' && event.shiftKey) {
                 if (editor.somethingSelected()){
                     var anchor = editor.getCursor("anchor");
                     var head = editor.getCursor("head");
                     if( anchor.line != head.line){
                         return false;
                     }
                 }
                 IPython.tooltip.request(that);
                 event.stop();
                 return true;
         } else if (event.keyCode === key.TAB && event.type == 'keydown') {
             // Tab completion.
             //Do not trim here because of tooltip
             if (editor.somethingSelected()){return false}
             var pre_cursor = editor.getRange({line:cur.line,ch:0},cur);
             if (pre_cursor.trim() === "") {
                 // Don't autocomplete if the part of the line before the cursor
                 // is empty.  In this case, let CodeMirror handle indentation.
                 return false;
             } else if ((pre_cursor.substr(-1) === "("|| pre_cursor.substr(-1) === " ") && IPython.config.tooltip_on_tab ) {
                 IPython.tooltip.request(that);
                 // Prevent the event from bubbling up.
                 event.stop();
                 // Prevent CodeMirror from handling the tab.
                 return true;
             } else {
                 event.stop();
                 this.completer.startCompletion();
                 return true;
             };
         } else {
             // keypress/keyup also trigger on TAB press, and we don't want to
             // use those to disable tab completion.
             return false;
         };
         return false;
     };
 
 
     // Kernel related calls.
 
     CodeCell.prototype.set_kernel = function (kernel) {
         this.kernel = kernel;
     }
 
     /**
      * Execute current code cell to the kernel
      * @method execute
      */
     CodeCell.prototype.execute = function () {
         this.output_area.clear_output(true, true, true);
         this.set_input_prompt('*');
         this.element.addClass("running");
         var callbacks = {
             'execute_reply': $.proxy(this._handle_execute_reply, this),
             'output': $.proxy(this.output_area.handle_output, this.output_area),
             'clear_output': $.proxy(this.output_area.handle_clear_output, this.output_area),
-            'set_next_input': $.proxy(this._handle_set_next_input, this)
+            'set_next_input': $.proxy(this._handle_set_next_input, this),
+            'input_request': $.proxy(this._handle_input_request, this)
         };
         var msg_id = this.kernel.execute(this.get_text(), callbacks, {silent: false});
     };
 
     /**
      * @method _handle_execute_reply
      * @private
      */
     CodeCell.prototype._handle_execute_reply = function (content) {
         this.set_input_prompt(content.execution_count);
         this.element.removeClass("running");
         $([IPython.events]).trigger('set_dirty.Notebook', {'value': true});
     }
 
+    /**
+     * @method _handle_set_next_input
+     * @private
+     */
     CodeCell.prototype._handle_set_next_input = function (text) {
         var data = {'cell': this, 'text': text}
         $([IPython.events]).trigger('set_next_input.Notebook', data);
     }
 
+    /**
+     * @method _handle_input_request
+     * @private
+     */
+    CodeCell.prototype._handle_input_request = function (content) {
+        this.output_area.append_raw_input(content);
+    }
+
+
     // Basic cell manipulation.
 
     CodeCell.prototype.select = function () {
         IPython.Cell.prototype.select.apply(this);
         this.code_mirror.refresh();
         this.code_mirror.focus();
         this.auto_highlight();
         // We used to need an additional refresh() after the focus, but
         // it appears that this has been fixed in CM. This bug would show
         // up on FF when a newly loaded markdown cell was edited.
     };
 
 
     CodeCell.prototype.select_all = function () {
         var start = {line: 0, ch: 0};
         var nlines = this.code_mirror.lineCount();
         var last_line = this.code_mirror.getLine(nlines-1);
         var end = {line: nlines-1, ch: last_line.length};
         this.code_mirror.setSelection(start, end);
     };
 
 
     CodeCell.prototype.collapse = function () {
         this.collapsed = true;
         this.output_area.collapse();
     };
 
 
     CodeCell.prototype.expand = function () {
         this.collapsed = false;
         this.output_area.expand();
     };
 
 
     CodeCell.prototype.toggle_output = function () {
         this.collapsed = Boolean(1 - this.collapsed);
         this.output_area.toggle_output();
     };
 
 
     CodeCell.prototype.toggle_output_scroll = function () {
     this.output_area.toggle_scroll();
     };
 
 
     CodeCell.input_prompt_classical = function (prompt_value, lines_number) {
         var ns = prompt_value || "&nbsp;";
         return 'In&nbsp;[' + ns + ']:'
     };
 
     CodeCell.input_prompt_continuation = function (prompt_value, lines_number) {
         var html = [CodeCell.input_prompt_classical(prompt_value, lines_number)];
         for(var i=1; i < lines_number; i++){html.push(['...:'])};
         return html.join('</br>')
     };
 
     CodeCell.input_prompt_function = CodeCell.input_prompt_classical;
 
 
     CodeCell.prototype.set_input_prompt = function (number) {
         var nline = 1
         if( this.code_mirror != undefined) {
            nline = this.code_mirror.lineCount();
         }
         this.input_prompt_number = number;
         var prompt_html = CodeCell.input_prompt_function(this.input_prompt_number, nline);
         this.element.find('div.input_prompt').html(prompt_html);
     };
 
 
     CodeCell.prototype.clear_input = function () {
         this.code_mirror.setValue('');
     };
 
 
     CodeCell.prototype.get_text = function () {
         return this.code_mirror.getValue();
     };
 
 
     CodeCell.prototype.set_text = function (code) {
         return this.code_mirror.setValue(code);
     };
 
 
     CodeCell.prototype.at_top = function () {
         var cursor = this.code_mirror.getCursor();
         if (cursor.line === 0 && cursor.ch === 0) {
             return true;
         } else {
             return false;
         }
     };
 
 
     CodeCell.prototype.at_bottom = function () {
         var cursor = this.code_mirror.getCursor();
         if (cursor.line === (this.code_mirror.lineCount()-1) && cursor.ch === this.code_mirror.getLine(cursor.line).length) {
             return true;
         } else {
             return false;
         }
     };
 
 
     CodeCell.prototype.clear_output = function (stdout, stderr, other) {
         this.output_area.clear_output(stdout, stderr, other);
     };
 
 
     // JSON serialization
 
     CodeCell.prototype.fromJSON = function (data) {
         IPython.Cell.prototype.fromJSON.apply(this, arguments);
         if (data.cell_type === 'code') {
             if (data.input !== undefined) {
                 this.set_text(data.input);
                 // make this value the starting point, so that we can only undo
                 // to this state, instead of a blank cell
                 this.code_mirror.clearHistory();
                 this.auto_highlight();
             }
             if (data.prompt_number !== undefined) {
                 this.set_input_prompt(data.prompt_number);
             } else {
                 this.set_input_prompt();
             };
             this.output_area.fromJSON(data.outputs);
             if (data.collapsed !== undefined) {
                 if (data.collapsed) {
                     this.collapse();
                 } else {
                     this.expand();
                 };
             };
         };
     };
 
 
     CodeCell.prototype.toJSON = function () {
         var data = IPython.Cell.prototype.toJSON.apply(this);
         data.input = this.get_text();
         data.cell_type = 'code';
         if (this.input_prompt_number) {
             data.prompt_number = this.input_prompt_number;
         };
         var outputs = this.output_area.toJSON();
         data.outputs = outputs;
         data.language = 'python';
         data.collapsed = this.collapsed;
         return data;
     };
 
 
     IPython.CodeCell = CodeCell;
 
     return IPython;
 }(IPython));

IPython/frontend/html/notebook/static/js/kernel.js

@@ -1,441 +1,481 b''
 //----------------------------------------------------------------------------
 //  Copyright (C) 2008-2011  The IPython Development Team
 //
 //  Distributed under the terms of the BSD License.  The full license is in
 //  the file COPYING, distributed as part of this software.
 //----------------------------------------------------------------------------
 
 //============================================================================
 // Kernel
 //============================================================================
 
 /**
  * @module IPython
  * @namespace IPython
  * @submodule Kernel
  */
 
 var IPython = (function (IPython) {
 
     var utils = IPython.utils;
 
     // Initialization and connection.
     /**
      * A Kernel Class to communicate with the Python kernel
      * @Class Kernel
      */
     var Kernel = function (base_url) {
         this.kernel_id = null;
         this.shell_channel = null;
         this.iopub_channel = null;
+        this.stdin_channel = null;
         this.base_url = base_url;
         this.running = false;
         this.username = "username";
         this.session_id = utils.uuid();
         this._msg_callbacks = {};
 
         if (typeof(WebSocket) !== 'undefined') {
             this.WebSocket = WebSocket;
         } else if (typeof(MozWebSocket) !== 'undefined') {
             this.WebSocket = MozWebSocket;
         } else {
             alert('Your browser does not have WebSocket support, please try Chrome, Safari or Firefox ≥ 6. Firefox 4 and 5 are also supported by you have to enable WebSockets in about:config.');
         };
     };
 
 
     Kernel.prototype._get_msg = function (msg_type, content) {
         var msg = {
             header : {
                 msg_id : utils.uuid(),
                 username : this.username,
                 session : this.session_id,
                 msg_type : msg_type
             },
             metadata : {},
             content : content,
             parent_header : {}
         };
         return msg;
     };
 
     /**
      * Start the Python kernel
      * @method start
      */
     Kernel.prototype.start = function (notebook_id) {
         var that = this;
         if (!this.running) {
             var qs = $.param({notebook:notebook_id});
             var url = this.base_url + '?' + qs;
             $.post(url,
                 $.proxy(that._kernel_started,that),
                 'json'
             );
         };
     };
 
     /**
      * Restart the python kernel.
      *
      * Emit a 'status_restarting.Kernel' event with
      * the current object as parameter
      *
      * @method restart
      */
     Kernel.prototype.restart = function () {
         $([IPython.events]).trigger('status_restarting.Kernel', {kernel: this});
         var that = this;
         if (this.running) {
             this.stop_channels();
             var url = this.kernel_url + "/restart";
             $.post(url,
                 $.proxy(that._kernel_started, that),
                 'json'
             );
         };
     };
 
 
     Kernel.prototype._kernel_started = function (json) {
         console.log("Kernel started: ", json.kernel_id);
         this.running = true;
         this.kernel_id = json.kernel_id;
         this.ws_url = json.ws_url;
         this.kernel_url = this.base_url + "/" + this.kernel_id;
         this.start_channels();
         $([IPython.events]).trigger('status_started.Kernel', {kernel: this});
     };
 
 
     Kernel.prototype._websocket_closed = function(ws_url, early) {
         this.stop_channels();
         $([IPython.events]).trigger('websocket_closed.Kernel', 
             {ws_url: ws_url, kernel: this, early: early}
         );
     };
 
     /**
      * Start the `shell`and `iopub` channels.
      * Will stop and restart them if they already exist.
      *
      * @method start_channels
      */
     Kernel.prototype.start_channels = function () {
         var that = this;
         this.stop_channels();
         var ws_url = this.ws_url + this.kernel_url;
         console.log("Starting WebSockets:", ws_url);
         this.shell_channel = new this.WebSocket(ws_url + "/shell");
+        this.stdin_channel = new this.WebSocket(ws_url + "/stdin");
         this.iopub_channel = new this.WebSocket(ws_url + "/iopub");
         send_cookie = function(){
-            this.send(document.cookie);
+            // send the session id so the Session object Python-side
+            // has the same identity
+            this.send(that.session_id + ':' + document.cookie);
         };
         var already_called_onclose = false; // only alert once
         var ws_closed_early = function(evt){
             if (already_called_onclose){
                 return;
             }
             already_called_onclose = true;
             if ( ! evt.wasClean ){
                 that._websocket_closed(ws_url, true);
             }
         };
         var ws_closed_late = function(evt){
             if (already_called_onclose){
                 return;
             }
             already_called_onclose = true;
             if ( ! evt.wasClean ){
                 that._websocket_closed(ws_url, false);
             }
         };
-        this.shell_channel.onopen = send_cookie;
-        this.shell_channel.onclose = ws_closed_early;
-        this.iopub_channel.onopen = send_cookie;
-        this.iopub_channel.onclose = ws_closed_early;
+        var channels = [this.shell_channel, this.iopub_channel, this.stdin_channel];
+        for (var i=0; i < channels.length; i++) {
+            channels[i].onopen = send_cookie;
+            channels[i].onclose = ws_closed_early;
+        }
         // switch from early-close to late-close message after 1s
         setTimeout(function() {
-            if (that.shell_channel !== null) {
-                that.shell_channel.onclose = ws_closed_late;
+            for (var i=0; i < channels.length; i++) {
+                if (channels[i] !== null) {
+                    channels[i].onclose = ws_closed_late;
             }
-            if (that.iopub_channel !== null) {
-                that.iopub_channel.onclose = ws_closed_late;
             }
         }, 1000);
         this.shell_channel.onmessage = $.proxy(this._handle_shell_reply,this);
         this.iopub_channel.onmessage = $.proxy(this._handle_iopub_reply,this);
+        this.stdin_channel.onmessage = $.proxy(this._handle_input_request, this);
+
+        $([IPython.events]).on('send_input_reply.Kernel', function(evt, data) { 
+            that.send_input_reply(data);
+        });
     };
 
     /**
      * Start the `shell`and `iopub` channels.
      * @method stop_channels
      */
     Kernel.prototype.stop_channels = function () {
-        if (this.shell_channel !== null) {
-            this.shell_channel.onclose = function (evt) {};
-            this.shell_channel.close();
-            this.shell_channel = null;
-        };
-        if (this.iopub_channel !== null) {
-            this.iopub_channel.onclose = function (evt) {};
-            this.iopub_channel.close();
-            this.iopub_channel = null;
+        var channels = [this.shell_channel, this.iopub_channel, this.stdin_channel];
+        for (var i=0; i < channels.length; i++) {
+            if ( channels[i] !== null ) {
+                channels[i].onclose = function (evt) {};
+                channels[i].close();
+            }
         };
+        this.shell_channel = this.iopub_channel = this.stdin_channel = null;
     };
 
     // Main public methods.
 
     /**
      * Get info on object asynchronoulsy
      *
      * @async
      * @param objname {string}
      * @param callback {dict}
      * @method object_info_request
      *
      * @example
      *
      * When calling this method pass a callbacks structure of the form:
      *
      *     callbacks = {
      *      'object_info_reply': object_info_reply_callback
      *     }
      *
      * The `object_info_reply_callback` will be passed the content object of the
      *
      * `object_into_reply` message documented in
      * [IPython dev documentation](http://ipython.org/ipython-doc/dev/development/messaging.html#object-information)
      */
     Kernel.prototype.object_info_request = function (objname, callbacks) {
         if(typeof(objname)!=null && objname!=null)
         {
             var content = {
                 oname : objname.toString(),
             };
             var msg = this._get_msg("object_info_request", content);
             this.shell_channel.send(JSON.stringify(msg));
             this.set_callbacks_for_msg(msg.header.msg_id, callbacks);
             return msg.header.msg_id;
         }
         return;
     }
 
     /**
      * Execute given code into kernel, and pass result to callback.
      *
      * @async
      * @method execute
      * @param {string} code
      * @param callback {Object} With the following keys
      *      @param callback.'execute_reply' {function}
      *      @param callback.'output' {function}
      *      @param callback.'clear_output' {function}
      *      @param callback.'set_next_input' {function}
      * @param {object} [options]
      *      @param [options.silent=false] {Boolean}
      *      @param [options.user_expressions=empty_dict] {Dict}
      *      @param [options.user_variables=empty_list] {List od Strings}
      *      @param [options.allow_stdin=false] {Boolean} true|false
      *
      * @example
      *
      * The options object should contain the options for the execute call. Its default
      * values are:
      *
      *      options = {
      *        silent : true,
      *        user_variables : [],
      *        user_expressions : {},
      *        allow_stdin : false
      *      }
      *
      * When calling this method pass a callbacks structure of the form:
      *
      *      callbacks = {
      *       'execute_reply': execute_reply_callback,
      *       'output': output_callback,
      *       'clear_output': clear_output_callback,
      *       'set_next_input': set_next_input_callback
      *      }
      *
      * The `execute_reply_callback` will be passed the content and metadata
      * objects of the `execute_reply` message documented
      * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#execute)
      *
      * The `output_callback` will be passed `msg_type` ('stream','display_data','pyout','pyerr')
      * of the output and the content and metadata objects of the PUB/SUB channel that contains the
      * output:
      *
      * http://ipython.org/ipython-doc/dev/development/messaging.html#messages-on-the-pub-sub-socket
      *
      * The `clear_output_callback` will be passed a content object that contains
      * stdout, stderr and other fields that are booleans, as well as the metadata object.
      *
      * The `set_next_input_callback` will be passed the text that should become the next
      * input cell.
      */
     Kernel.prototype.execute = function (code, callbacks, options) {
 
         var content = {
             code : code,
             silent : true,
             user_variables : [],
             user_expressions : {},
             allow_stdin : false
         };
+        if (callbacks.input_request !== undefined) {
+            content.allow_stdin = true;
+        }
         $.extend(true, content, options)
         $([IPython.events]).trigger('execution_request.Kernel', {kernel: this, content:content});
         var msg = this._get_msg("execute_request", content);
         this.shell_channel.send(JSON.stringify(msg));
         this.set_callbacks_for_msg(msg.header.msg_id, callbacks);
         return msg.header.msg_id;
     };
 
     /**
      * When calling this method pass a callbacks structure of the form:
      *
      *      callbacks = {
      *       'complete_reply': complete_reply_callback
      *      }
      *
      * The `complete_reply_callback` will be passed the content object of the
      * `complete_reply` message documented
      * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#complete)
      *
      * @method complete
      * @param line {integer}
      * @param cursor_pos {integer}
      * @param {dict} callbacks
      *      @param callbacks.complete_reply {function} `complete_reply_callback`
      *
      */
     Kernel.prototype.complete = function (line, cursor_pos, callbacks) {
         callbacks = callbacks || {};
         var content = {
             text : '',
             line : line,
             cursor_pos : cursor_pos
         };
         var msg = this._get_msg("complete_request", content);
         this.shell_channel.send(JSON.stringify(msg));
         this.set_callbacks_for_msg(msg.header.msg_id, callbacks);
         return msg.header.msg_id;
     };
 
 
     Kernel.prototype.interrupt = function () {
         if (this.running) {
             $([IPython.events]).trigger('status_interrupting.Kernel', {kernel: this});
             $.post(this.kernel_url + "/interrupt");
         };
     };
 
 
     Kernel.prototype.kill = function () {
         if (this.running) {
             this.running = false;
             var settings = {
                 cache : false,
                 type : "DELETE"
             };
             $.ajax(this.kernel_url, settings);
         };
     };
 
+    Kernel.prototype.send_input_reply = function (input) {
+        var content = {
+            value : input,
+        };
+        $([IPython.events]).trigger('input_reply.Kernel', {kernel: this, content:content});
+        var msg = this._get_msg("input_reply", content);
+        this.stdin_channel.send(JSON.stringify(msg));
+        return msg.header.msg_id;
+    };
+
 
-    // Reply handlers.
+    // Reply handlers
 
     Kernel.prototype.get_callbacks_for_msg = function (msg_id) {
         var callbacks = this._msg_callbacks[msg_id];
         return callbacks;
     };
 
 
     Kernel.prototype.set_callbacks_for_msg = function (msg_id, callbacks) {
         this._msg_callbacks[msg_id] = callbacks || {};
     }
 
 
     Kernel.prototype._handle_shell_reply = function (e) {
         var reply = $.parseJSON(e.data);
         $([IPython.events]).trigger('shell_reply.Kernel', {kernel: this, reply:reply});
         var header = reply.header;
         var content = reply.content;
         var metadata = reply.metadata;
         var msg_type = header.msg_type;
         var callbacks = this.get_callbacks_for_msg(reply.parent_header.msg_id);
         if (callbacks !== undefined) {
             var cb = callbacks[msg_type];
             if (cb !== undefined) {
                 cb(content, metadata);
             }
         };
 
         if (content.payload !== undefined) {
             var payload = content.payload || [];
             this._handle_payload(callbacks, payload);
         }
     };
 
 
     Kernel.prototype._handle_payload = function (callbacks, payload) {
         var l = payload.length;
         // Payloads are handled by triggering events because we don't want the Kernel
         // to depend on the Notebook or Pager classes.
         for (var i=0; i<l; i++) {
             if (payload[i].source === 'IPython.kernel.zmq.page.page') {
                 var data = {'text':payload[i].text}
                 $([IPython.events]).trigger('open_with_text.Pager', data);
             } else if (payload[i].source === 'IPython.kernel.zmq.zmqshell.ZMQInteractiveShell.set_next_input') {
                 if (callbacks.set_next_input !== undefined) {
                     callbacks.set_next_input(payload[i].text)
                 }
             }
         };
     };
 
 
     Kernel.prototype._handle_iopub_reply = function (e) {
         var reply = $.parseJSON(e.data);
         var content = reply.content;
         var msg_type = reply.header.msg_type;
         var metadata = reply.metadata;
         var callbacks = this.get_callbacks_for_msg(reply.parent_header.msg_id);
         if (msg_type !== 'status' && callbacks === undefined) {
             // Message not from one of this notebook's cells and there are no
             // callbacks to handle it.
             return;
         }
         var output_types = ['stream','display_data','pyout','pyerr'];
         if (output_types.indexOf(msg_type) >= 0) {
             var cb = callbacks['output'];
             if (cb !== undefined) {
                 cb(msg_type, content, metadata);
             }
         } else if (msg_type === 'status') {
             if (content.execution_state === 'busy') {
                 $([IPython.events]).trigger('status_busy.Kernel', {kernel: this});
             } else if (content.execution_state === 'idle') {
                 $([IPython.events]).trigger('status_idle.Kernel', {kernel: this});
             } else if (content.execution_state === 'restarting') {
                 $([IPython.events]).trigger('status_restarting.Kernel', {kernel: this});
             } else if (content.execution_state === 'dead') {
                 this.stop_channels();
                 $([IPython.events]).trigger('status_dead.Kernel', {kernel: this});
             };
         } else if (msg_type === 'clear_output') {
             var cb = callbacks['clear_output'];
             if (cb !== undefined) {
                 cb(content, metadata);
             }
         };
     };
 
 
+    Kernel.prototype._handle_input_request = function (e) {
+        var request = $.parseJSON(e.data);
+        var header = request.header;
+        var content = request.content;
+        var metadata = request.metadata;
+        var msg_type = header.msg_type;
+        if (msg_type !== 'input_request') {
+            console.log("Invalid input request!", request);
+            return;
+        }
+        var callbacks = this.get_callbacks_for_msg(request.parent_header.msg_id);
+        if (callbacks !== undefined) {
+            var cb = callbacks[msg_type];
+            if (cb !== undefined) {
+                cb(content, metadata);
+            }
+        };
+    };
+
+
     IPython.Kernel = Kernel;
 
     return IPython;
 
 }(IPython));
 

IPython/frontend/html/notebook/static/js/outputarea.js

@@ -1,557 +1,606 b''
 //----------------------------------------------------------------------------
 //  Copyright (C) 2008-2011  The IPython Development Team
 //
 //  Distributed under the terms of the BSD License.  The full license is in
 //  the file COPYING, distributed as part of this software.
 //----------------------------------------------------------------------------
 
 //============================================================================
 // OutputArea
 //============================================================================
 
 var IPython = (function (IPython) {
     "use strict";
 
     var utils = IPython.utils;
 
     var OutputArea = function (selector, prompt_area) {
         this.selector = selector;
         this.wrapper = $(selector);
         this.outputs = [];
         this.collapsed = false;
         this.scrolled = false;
         this.clear_out_timeout = null;
         if (prompt_area === undefined) {
             this.prompt_area = true;
         } else {
             this.prompt_area = prompt_area;
         }
         this.create_elements();
         this.style();
         this.bind_events();
     };
     
     OutputArea.prototype.create_elements = function () {
         this.element = $("<div/>");
         this.collapse_button = $("<div/>");
         this.prompt_overlay = $("<div/>");
         this.wrapper.append(this.prompt_overlay);
         this.wrapper.append(this.element);
         this.wrapper.append(this.collapse_button);
     };
 
 
     OutputArea.prototype.style = function () {
         this.collapse_button.hide();
         this.prompt_overlay.hide();
         
         this.wrapper.addClass('output_wrapper');
         this.element.addClass('output vbox');
         
         this.collapse_button.button();
         this.collapse_button.addClass('output_collapsed vbox');
         this.collapse_button.attr('title', 'click to expand output');
         this.collapse_button.html('. . .');
         
         this.prompt_overlay.addClass('out_prompt_overlay prompt');
         this.prompt_overlay.attr('title', 'click to expand output; double click to hide output');
         
         this.collapse();
     };
 
 
     OutputArea.prototype._should_scroll = function (lines) {
         if (!lines) {
             lines = 100;
         }
         // line-height from http://stackoverflow.com/questions/1185151
         var fontSize = this.element.css('font-size');
         var lineHeight = Math.floor(parseInt(fontSize.replace('px','')) * 1.5);
         
         return (this.element.height() > lines * lineHeight);
     };
 
 
     OutputArea.prototype.bind_events = function () {
         var that = this;
         this.prompt_overlay.dblclick(function () { that.toggle_output(); });
         this.prompt_overlay.click(function () { that.toggle_scroll(); });
 
         this.element.resize(function () {
             // FIXME: Firefox on Linux misbehaves, so automatic scrolling is disabled
             if ( IPython.utils.browser[0] === "Firefox" ) {
                 return;
             }
             // maybe scroll output,
             // if it's grown large enough and hasn't already been scrolled.
             if ( !that.scrolled && that._should_scroll()) {
                 that.scroll_area();
             }
         });
         this.collapse_button.click(function () {
             that.expand();
         });
         this.collapse_button.hover(function () {
             $(this).addClass("ui-state-hover");
         }, function () {
             $(this).removeClass("ui-state-hover");
         });
     };
 
 
     OutputArea.prototype.collapse = function () {
         if (!this.collapsed) {
             this.element.hide();
             this.prompt_overlay.hide();
             if (this.element.html()){
                 this.collapse_button.show();
             }
             this.collapsed = true;
         }
     };
 
 
     OutputArea.prototype.expand = function () {
         if (this.collapsed) {
             this.collapse_button.hide();
             this.element.show();
             this.prompt_overlay.show();
             this.collapsed = false;
         }
     };
 
 
     OutputArea.prototype.toggle_output = function () {
         if (this.collapsed) {
             this.expand();
         } else {
             this.collapse();
         }
     };
 
 
     OutputArea.prototype.scroll_area = function () {
         this.element.addClass('output_scroll');
         this.prompt_overlay.attr('title', 'click to unscroll output; double click to hide');
         this.scrolled = true;
     };
 
 
     OutputArea.prototype.unscroll_area = function () {
         this.element.removeClass('output_scroll');
         this.prompt_overlay.attr('title', 'click to scroll output; double click to hide');
         this.scrolled = false;
     };
 
 
     OutputArea.prototype.scroll_if_long = function (lines) {
         if (this._should_scroll(lines)) {
             // only allow scrolling long-enough output
             this.scroll_area();
         }
     };
 
 
     OutputArea.prototype.toggle_scroll = function () {
         if (this.scrolled) {
             this.unscroll_area();
         } else {
             // only allow scrolling long-enough output
             this.scroll_if_long(20);
         }
     };
 
 
     // typeset with MathJax if MathJax is available
     OutputArea.prototype.typeset = function () {
         if (window.MathJax){
             MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
         }
     };
 
 
     OutputArea.prototype.handle_output = function (msg_type, content) {
         var json = {};
         json.output_type = msg_type;
         if (msg_type === "stream") {
             json.text = content.data;
             json.stream = content.name;
         } else if (msg_type === "display_data") {
             json = this.convert_mime_types(json, content.data);
         } else if (msg_type === "pyout") {
             json.prompt_number = content.execution_count;
             json = this.convert_mime_types(json, content.data);
         } else if (msg_type === "pyerr") {
             json.ename = content.ename;
             json.evalue = content.evalue;
             json.traceback = content.traceback;
         }
         // append with dynamic=true
         this.append_output(json, true);
     };
 
 
     OutputArea.prototype.convert_mime_types = function (json, data) {
         if (data['text/plain'] !== undefined) {
             json.text = data['text/plain'];
         }
         if (data['text/html'] !== undefined) {
             json.html = data['text/html'];
         }
         if (data['image/svg+xml'] !== undefined) {
             json.svg = data['image/svg+xml'];
         }
         if (data['image/png'] !== undefined) {
             json.png = data['image/png'];
         }
         if (data['image/jpeg'] !== undefined) {
             json.jpeg = data['image/jpeg'];
         }
         if (data['text/latex'] !== undefined) {
             json.latex = data['text/latex'];
         }
         if (data['application/json'] !== undefined) {
             json.json = data['application/json'];
         }
         if (data['application/javascript'] !== undefined) {
             json.javascript = data['application/javascript'];
         }
         return json;
     };
 
 
     OutputArea.prototype.append_output = function (json, dynamic) {
         // If dynamic is true, javascript output will be eval'd.
         this.expand();
         this.flush_clear_timeout();
         if (json.output_type === 'pyout') {
             this.append_pyout(json, dynamic);
         } else if (json.output_type === 'pyerr') {
             this.append_pyerr(json);
         } else if (json.output_type === 'display_data') {
             this.append_display_data(json, dynamic);
         } else if (json.output_type === 'stream') {
             this.append_stream(json);
         }
         this.outputs.push(json);
         var that = this;
         setTimeout(function(){that.element.trigger('resize');}, 100);
     };
 
 
     OutputArea.prototype.create_output_area = function () {
         var oa = $("<div/>").addClass("output_area");
         if (this.prompt_area) {
             oa.append($('<div/>').addClass('prompt'));
         }
         return oa;
     };
 
 
     OutputArea.prototype.append_pyout = function (json, dynamic) {
         var n = json.prompt_number || ' ';
         var toinsert = this.create_output_area();
         if (this.prompt_area) {
             toinsert.find('div.prompt').addClass('output_prompt').html('Out[' + n + ']:');
         }
         this.append_mime_type(json, toinsert, dynamic);
         this.element.append(toinsert);
         // If we just output latex, typeset it.
         if ((json.latex !== undefined) || (json.html !== undefined)) {
             this.typeset();
         }
     };
 
 
     OutputArea.prototype.append_pyerr = function (json) {
         var tb = json.traceback;
         if (tb !== undefined && tb.length > 0) {
             var s = '';
             var len = tb.length;
             for (var i=0; i<len; i++) {
                 s = s + tb[i] + '\n';
             }
             s = s + '\n';
             var toinsert = this.create_output_area();
             this.append_text(s, toinsert);
             this.element.append(toinsert);
         }
     };
 
 
     OutputArea.prototype.append_stream = function (json) {
         // temporary fix: if stream undefined (json file written prior to this patch),
         // default to most likely stdout:
         if (json.stream == undefined){
             json.stream = 'stdout';
         }
         var text = json.text;
         var subclass = "output_"+json.stream;
         if (this.outputs.length > 0){
             // have at least one output to consider
             var last = this.outputs[this.outputs.length-1];
             if (last.output_type == 'stream' && json.stream == last.stream){
                 // latest output was in the same stream,
                 // so append directly into its pre tag
                 // escape ANSI & HTML specials:
                 var pre = this.element.find('div.'+subclass).last().find('pre');
                 var html = utils.fixCarriageReturn(
                     pre.html() + utils.fixConsole(text));
                 pre.html(html);
                 return;
             }
         }
 
         if (!text.replace("\r", "")) {
             // text is nothing (empty string, \r, etc.)
             // so don't append any elements, which might add undesirable space
             return;
         }
 
         // If we got here, attach a new div
         var toinsert = this.create_output_area();
         this.append_text(text, toinsert, "output_stream "+subclass);
         this.element.append(toinsert);
     };
 
 
     OutputArea.prototype.append_display_data = function (json, dynamic) {
         var toinsert = this.create_output_area();
         this.append_mime_type(json, toinsert, dynamic);
         this.element.append(toinsert);
         // If we just output latex, typeset it.
         if ( (json.latex !== undefined) || (json.html !== undefined) ) {
             this.typeset();
         }
     };
 
     OutputArea.display_order = ['javascript','latex','svg','png','jpeg','text'];
 
     OutputArea.prototype.append_mime_type = function (json, element, dynamic) {
         for(var type_i in OutputArea.display_order){
             var type = OutputArea.display_order[type_i];
             if(json[type] != undefined ){
                 if(type == 'javascript'){
                     if (dynamic) {
                         this.append_javascript(json.javascript, element, dynamic);
                     }
                 } else {
                     this['append_'+type](json[type], element);
                 }
                 return;
             }
         }
     };
 
 
     OutputArea.prototype.append_html = function (html, element) {
         var toinsert = $("<div/>").addClass("output_subarea output_html rendered_html");
         toinsert.append(html);
         element.append(toinsert);
     };
 
 
     OutputArea.prototype.append_javascript = function (js, container) {
         // We just eval the JS code, element appears in the local scope.
         var element = $("<div/>").addClass("output_subarea");
         container.append(element);
         // Div for js shouldn't be drawn, as it will add empty height to the area.
         container.hide();
         // If the Javascript appends content to `element` that should be drawn, then
         // it must also call `container.show()`.
         try {
             eval(js);
         } catch(err) {
             console.log('Error in Javascript!');
             console.log(err);
             container.show();
             element.append($('<div/>')
                 .html("Error in Javascript !<br/>"+
                     err.toString()+
                     '<br/>See your browser Javascript console for more details.')
                 .addClass('js-error')
                 );
         }
     };
 
 
     OutputArea.prototype.append_text = function (data, element, extra_class) {
         var toinsert = $("<div/>").addClass("output_subarea output_text");
         // escape ANSI & HTML specials in plaintext:
         data = utils.fixConsole(data);
         data = utils.fixCarriageReturn(data);
         data = utils.autoLinkUrls(data);
         if (extra_class){
             toinsert.addClass(extra_class);
         }
         toinsert.append($("<pre/>").html(data));
         element.append(toinsert);
     };
 
 
     OutputArea.prototype.append_svg = function (svg, element) {
         var toinsert = $("<div/>").addClass("output_subarea output_svg");
         toinsert.append(svg);
         element.append(toinsert);
     };
 
 
     OutputArea.prototype._dblclick_to_reset_size = function (img) {
         // schedule wrapping image in resizable after a delay,
         // so we don't end up calling resize on a zero-size object
         var that = this;
         setTimeout(function () {
             var h0 = img.height();
             var w0 = img.width();
             if (!(h0 && w0)) {
                 // zero size, schedule another timeout
                 that._dblclick_to_reset_size(img);
                 return;
             }
             img.resizable({
                 aspectRatio: true,
                 autoHide: true
             });
             img.dblclick(function () {
                 // resize wrapper & image together for some reason:
                 img.parent().height(h0);
                 img.height(h0);
                 img.parent().width(w0);
                 img.width(w0);
             });
         }, 250);
     };
 
 
     OutputArea.prototype.append_png = function (png, element) {
         var toinsert = $("<div/>").addClass("output_subarea output_png");
         var img = $("<img/>").attr('src','data:image/png;base64,'+png);
         this._dblclick_to_reset_size(img);
         toinsert.append(img);
         element.append(toinsert);
     };
 
 
     OutputArea.prototype.append_jpeg = function (jpeg, element) {
         var toinsert = $("<div/>").addClass("output_subarea output_jpeg");
         var img = $("<img/>").attr('src','data:image/jpeg;base64,'+jpeg);
         this._dblclick_to_reset_size(img);
         toinsert.append(img);
         element.append(toinsert);
     };
 
 
     OutputArea.prototype.append_latex = function (latex, element) {
         // This method cannot do the typesetting because the latex first has to
         // be on the page.
         var toinsert = $("<div/>").addClass("output_subarea output_latex");
         toinsert.append(latex);
         element.append(toinsert);
     };
 
+    OutputArea.prototype.append_raw_input = function (content) {
+        var that = this;
+        this.expand();
+        this.flush_clear_timeout();
+        var area = this.create_output_area();
+
+        area.append(
+            $("<div/>")
+            .addClass("box-flex1 output_subarea raw_input")
+            .append(
+                $("<span/>")
+                .addClass("input_prompt")
+                .text(content.prompt)
+            )
+            .append(
+                $("<input/>")
+                .addClass("raw_input")
+                .attr('type', 'text')
+                .attr("size", 80)
+                .keydown(function (event, ui) {
+                    // make sure we submit on enter,
+                    // and don't re-execute the *cell* on shift-enter
+                    if (event.which === utils.keycodes.ENTER) {
+                        that._submit_raw_input();
+                        return false;
+                    }
+                })
+            )
+        );
+        this.element.append(area);
+        area.find("input.raw_input").focus();
+    }
+    OutputArea.prototype._submit_raw_input = function (evt) {
+        var container = this.element.find("div.raw_input");
+        var theprompt = container.find("span.input_prompt");
+        var theinput = container.find("input.raw_input");
+        var value = theinput.attr("value");
+        var content = {
+            output_type : 'stream',
+            name : 'stdout',
+            text : theprompt.text() + value + '\n'
+        }
+        // remove form container
+        container.parent().remove();
+        // replace with plaintext version in stdout
+        this.append_output(content, false);
+        $([IPython.events]).trigger('send_input_reply.Kernel', value);
+    }
+
 
     OutputArea.prototype.handle_clear_output = function (content) {
         this.clear_output(content.stdout, content.stderr, content.other);
     };
 
 
     OutputArea.prototype.clear_output = function (stdout, stderr, other) {
         var that = this;
         if (this.clear_out_timeout != null){
             // fire previous pending clear *immediately*
             clearTimeout(this.clear_out_timeout);
             this.clear_out_timeout = null;
             this.clear_output_callback(this._clear_stdout, this._clear_stderr, this._clear_other);
         }
         // store flags for flushing the timeout
         this._clear_stdout = stdout;
         this._clear_stderr = stderr;
         this._clear_other = other;
         this.clear_out_timeout = setTimeout(function() {
             // really clear timeout only after a short delay
             // this reduces flicker in 'clear_output; print' cases
             that.clear_out_timeout = null;
             that._clear_stdout = that._clear_stderr = that._clear_other = null;
             that.clear_output_callback(stdout, stderr, other);
         }, 500
         );
     };
 
 
     OutputArea.prototype.clear_output_callback = function (stdout, stderr, other) {
         var output_div = this.element;
 
         if (stdout && stderr && other){
             // clear all, no need for logic
             output_div.html("");
             this.outputs = [];
             this.unscroll_area();
             return;
         }
         // remove html output
         // each output_subarea that has an identifying class is in an output_area
         // which is the element to be removed.
         if (stdout) {
             output_div.find("div.output_stdout").parent().remove();
         }
         if (stderr) {
             output_div.find("div.output_stderr").parent().remove();
         }
         if (other) {
             output_div.find("div.output_subarea").not("div.output_stderr").not("div.output_stdout").parent().remove();
         }
         this.unscroll_area();
         
         // remove cleared outputs from JSON list:
         for (var i = this.outputs.length - 1; i >= 0; i--) {
             var out = this.outputs[i];
             var output_type = out.output_type;
             if (output_type == "display_data" && other) {
                 this.outputs.splice(i,1);
             } else if (output_type == "stream") {
                 if (stdout && out.stream == "stdout") {
                     this.outputs.splice(i,1);
                 } else if (stderr && out.stream == "stderr") {
                     this.outputs.splice(i,1);
                 }
             }
         }
     };
 
 
     OutputArea.prototype.flush_clear_timeout = function() {
         var output_div = this.element;
         if (this.clear_out_timeout){
             clearTimeout(this.clear_out_timeout);
             this.clear_out_timeout = null;
             this.clear_output_callback(this._clear_stdout, this._clear_stderr, this._clear_other);
         }
     };
 
 
     // JSON serialization
 
     OutputArea.prototype.fromJSON = function (outputs) {
         var len = outputs.length;
         for (var i=0; i<len; i++) {
             // append with dynamic=false.
             this.append_output(outputs[i], false);
         }
     };
 
 
     OutputArea.prototype.toJSON = function () {
         var outputs = [];
         var len = this.outputs.length;
         for (var i=0; i<len; i++) {
             outputs[i] = this.outputs[i];
         }
         return outputs;
     };
 
 
     IPython.OutputArea = OutputArea;
 
     return IPython;
 
 }(IPython));

IPython/frontend/html/notebook/static/less/notebook.less

@@ -1,479 +1,502 b''
 /**
  * Primary styles
  *
  * Author: IPython Development Team
  */
 
 @import "variables.less";
 
 
 body {
     background-color:@notebook_background;
 }
     
 body.notebook_app {
     overflow: hidden;
 }
 
 blockquote {
     border-left: 4px solid #DDD;
     padding: 0 15px;
     color: #777;
 }
 
 span#save_widget {
     padding: 5px;
     margin: 0px 0px 0px 300px;
     display:inline-block;
 }
 
 span#notebook_name {
     height: 1em;
     line-height: 1em;
     padding: 3px;
     border: none;
     font-size: 146.5%;
 }
 
 
 .ui-menubar-item .ui-button .ui-button-text {
     padding: 0.4em 1.0em;
     font-size: 100%;
 }
 
 .ui-menu {
   -moz-box-shadow:    0px 6px 10px -1px #adadad;
   -webkit-box-shadow: 0px 6px 10px -1px #adadad;
   box-shadow:         0px 6px 10px -1px #adadad;
 }
 
 .ui-menu .ui-menu-item a {
     border: 1px solid transparent;
     padding: 2px 1.6em;
 }
 
 .ui-menu .ui-menu-item a.ui-state-focus {
     margin: 0;
 }
 
 .ui-menu hr {
     margin: 0.3em 0;
 }
 
 #menubar_container {
     position: relative;
 }
 
 #notification_area {
     position: absolute;
     right: 0px;
     top: 0px;
     height: 25px;
     padding: 3px 0px;
     padding-right: 3px;
     z-index: 10;
 }
 
 .notification_widget{
     float : right;
     right: 0px;
     top: 1px;
     height: 25px;
     padding: 3px 6px;
     z-index: 10;
 }
 
 .toolbar {
     padding: 3px 15px;
     border-bottom: @borderwidth @border_color solid;
 
     button {
         margin-top:2px;
         margin-bottom:2px;
     }
 
 
     select, label {
         height : 19px;
         vertical-align:middle;
         margin-right:2px;
         margin-bottom:0;
         display: inline;
         font-size: 92%;
         margin-left:0.3em;
         margin-right:0.3em;
         padding: 0px;
     }
 }
 
 .toolbar select{
     width:auto;
 }
 
 
 #ipython-main-app {
     width: 100%;
     position: relative;
     font-size: 110%;
 }
 
 span#quick_help_area {
     position: static;
     padding: 5px 0px;
     margin: 0px 0px 0px 0px;
 }
 
 .help_string {
     float: right;
     width: 170px;
     padding: 0px 5px;
     text-align: left;
     font-size: 85%;
 }
 
 .help_string_label {
     float: right;
     font-size: 85%;
 }
 
 div#notebook_panel {
     margin: 0px 0px 0px 0px;
     padding: 0px;
 }
 
 div#notebook {
     overflow-y: scroll;
     overflow-x: auto;
     width: 100%;
     /* This spaces the cell away from the edge of the notebook area */
     padding: 5px 5px 15px 5px;
     margin: 0px;
 }
 
 div#pager_splitter {
     height: 8px;
 }
 
 #pager_container {
     position : relative;
 }
 
 div#pager {
     padding: 15px;
     overflow: auto;
     display: none;
 }
 
 div.ui-widget-content {
     border: 1px solid @border_color;
     outline: none;
 }
 
 .cell {
     border: 1px solid transparent;
     .vbox();
 
     &.selected {
         .corner-all;
         border : thin @border_color solid;
     }
 }
 
 div.cell {
     width: 100%;
     padding: 5px 5px 5px 0px;
     /* This acts as a spacer between cells, that is outside the border */
     margin: 2px 0px 2px 0px;
     outline: none;
 }
 
 div.code_cell {
 }
 
 /* any special styling for code cells that are currently running goes here */
 div.code_cell.running {
 }
 
 div.prompt {
     /* This needs to be wide enough for 3 digit prompt numbers: In[100]: */
     width: 11ex;
     /* This 0.4em is tuned to match the padding on the CodeMirror editor. */
     padding: 0.4em;
     margin: 0px;
     font-family: monospace;
     text-align: right;
     /* This has to match that of the the CodeMirror class line-height below */	
     line-height: 1.231;
 }
 
 div.input {
     page-break-inside: avoid;
     .hbox();
 }
 
 /* input_area and input_prompt must match in top border and margin for alignment */
 div.input_area {
     /*color: @fontBaseColor;*/
     border: 1px solid @light_border_color;
     .corner-all;
     background: @cell_background;
 }
 
 div.input_prompt {
     color: navy;
     border-top: 1px solid transparent;
 }
 
 div.output_wrapper {
     /* This is a spacer between the input and output of each cell */
     margin-top: 5px;
     margin-left: 5px;
     /* FF needs explicit width to stretch */
     width: 100%;
     /* this position must be relative to enable descendents to be absolute within it */
     position: relative;
 }
 
 /* class for the output area when it should be height-limited */
 div.output_scroll {
   /* ideally, this would be max-height, but FF barfs all over that */
   height: 24em;
   /* FF needs this *and the wrapper* to specify full width, or it will shrinkwrap */
   width: 100%;
 
   overflow: auto;
   .corner-all;
   box-shadow: inset 0 2px 8px rgba(0, 0, 0, .8);
 }
 
 /* output div while it is collapsed */
 div.output_collapsed {
   margin-right: 5px;
 }
 
 div.out_prompt_overlay {
   height: 100%;
   padding: 0px;
   position: absolute;
   .corner-all;
 }
 
 div.out_prompt_overlay:hover {
   /* use inner shadow to get border that is computed the same on WebKit/FF */
   box-shadow: inset 0 0 1px #000;
   background: rgba(240, 240, 240, 0.5);
 }
 
 div.output_prompt {
     color: darkred;
     /* 5px right shift to account for margin in parent container */
     margin: 0 5px 0 -5px;
 }
 
 /* This class is the outer container of all output sections. */
 div.output_area {
     padding: 0px;
     page-break-inside: avoid;
     .hbox();
 }
 
 	
 /* This is needed to protect the pre formating from global settings such
    as that of bootstrap */
 div.output_area pre {	
     font-family: monospace;	
     margin: 0;
     padding: 0;
     border: 0;
     font-size: 100%;
     vertical-align: baseline;
     color: black;
 }
 
 /* This class is for the output subarea inside the output_area and after
    the prompt div. */
 div.output_subarea {
     padding: 0.44em 0.4em 0.4em 1px;
     .box-flex1();
 }
 
 /* The rest of the output_* classes are for special styling of the different
    output types */
 
 /* all text output has this class: */
 div.output_text {
     text-align: left;
     color: @fontBaseColor;
     font-family: monospace;
     /* This has to match that of the the CodeMirror class line-height below */	
     line-height: 1.231;
 }
 
 /* stdout/stderr are 'text' as well as 'stream', but pyout/pyerr are *not* streams */
 div.output_stream {
     padding-top: 0.0em;
     padding-bottom: 0.0em;
 }
 div.output_stdout {
 }
 div.output_stderr {
     background: #fdd; /* very light red background for stderr */
 }
 
 div.output_latex {
     text-align: left;
 }
 
 div.output_html {
 }
 
 div.output_png {
 }
 
 div.output_jpeg {
 }
 
 div.text_cell {
     padding: 5px 5px 5px 5px;
 }
 
 div.text_cell_input {
     color: @fontBaseColor;
     border: 1px solid @light_border_color;
     .corner-all;
     background: @cell_background;
 }
 
 div.text_cell_render {
     /*font-family: "Helvetica Neue", Arial, Helvetica, Geneva, sans-serif;*/
     outline: none;
     resize: none;
     width:  inherit;
     border-style: none;
     padding: 5px;
     color: @fontBaseColor;
 }
 
 /* The following gets added to the <head> if it is detected that the user has a
  * monospace font with inconsistent normal/bold/italic height.  See
  * notebookmain.js.  Such fonts will have keywords vertically offset with
  * respect to the rest of the text.  The user should select a better font.
  * See: https://github.com/ipython/ipython/issues/1503
  *
  * .CodeMirror span {
  *      vertical-align: bottom;
  * }
  */
 
 .CodeMirror {
     line-height: 1.231;  /* Changed from 1em to our global default */
 }
 
 .CodeMirror-scroll {
     height: auto;     /* Changed to auto to autogrow */
     /*  The CodeMirror docs are a bit fuzzy on if overflow-y should be hidden or visible.*/
     /*  We have found that if it is visible, vertical scrollbars appear with font size changes.*/
     overflow-y: hidden;
     overflow-x: auto; /* Changed from auto to remove scrollbar */
 }
 
 /* CSS font colors for translated ANSI colors. */
 
 
 .ansiblack {color: @fontBaseColor;}
 .ansired {color: darkred;}
 .ansigreen {color: darkgreen;}
 .ansiyellow {color: brown;}
 .ansiblue {color: darkblue;}
 .ansipurple {color: darkviolet;}
 .ansicyan {color: steelblue;}
 .ansigrey {color: grey;}
 .ansibold {font-weight: bold;}
 
 .completions {
     position: absolute;
     z-index: 10;
     overflow: hidden;
     border: 1px solid @border_color;
 }
 
 .completions select {
     background: white;
     outline: none;
     border: none;
     padding: 0px;
     margin: 0px;
     overflow: auto;
     font-family: monospace;
 }
 
 option.context {
   background-color: #DEF7FF;
 }
 option.introspection {
   background-color: #EBF4EB;
 }
 
 /*fixed part of the completion*/
 .completions p b {
     font-weight:bold;
 }
 
 .completions p {
     background: #DDF;
     /*outline: none;
     padding: 0px;*/
     border-bottom: black solid 1px;
     padding: 1px;
     font-family: monospace;
 }
 
 pre.dialog {
     background-color: @cell_background;
     border: 1px solid #ddd;
     .corner-all;
     padding: 0.4em;
     padding-left: 2em;
 }
 
 p.dialog {
     padding : 0.2em;
 }
 
 .shortcut_key {
     display: inline-block;
     width: 15ex;
     text-align: right;
     font-family: monospace;
 }
 
 .shortcut_descr {
 }
 
 /* Word-wrap output correctly.  This is the CSS3 spelling, though Firefox seems
    to not honor it correctly.  Webkit browsers (Chrome, rekonq, Safari) do.
  */
 pre, code, kbd, samp { white-space: pre-wrap; }
 
 #fonttest {
     font-family: monospace;
 }
 
 .js-error {
     color: darkred;
 }
 
 a {
   text-decoration: underline;
 }
 
 p {
 
 margin-bottom:0;
 
 }
 
 a.heading-anchor:link, a.heading-anchor:visited {
   text-decoration: none;
   color: inherit;
 }
+
+/* raw_input styles */
+
+div.raw_input {
+  padding-top: 0px;
+  padding-bottom: 0px;
+  height: 1em;
+  line-height: 1em;
+  font-family: monospace;
+}
+span.input_prompt {
+  font-family: inherit;
+}
+input.raw_input {
+  font-family: inherit;
+  font-size: inherit;
+  color: inherit;
+  width: auto;
+  margin: -2px 0px 0px 1px;
+  padding-left: 1px;
+  padding-top: 2px;
+  height: 1em;
+}

IPython/kernel/zmq/ipkernel.py

@@ -1,795 +1,804 b''
 #!/usr/bin/env python
 """A simple interactive kernel that talks to a frontend over 0MQ.
 
 Things to do:
 
 * Implement `set_parent` logic. Right before doing exec, the Kernel should
   call set_parent on all the PUB objects with the message about to be executed.
 * Implement random port and security key logic.
 * Implement control messages.
 * Implement event loop and poll version.
 """
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 from __future__ import print_function
 
 # Standard library imports
 import __builtin__
 import sys
 import time
 import traceback
 import logging
 import uuid
 
 from datetime import datetime
 from signal import (
         signal, getsignal, default_int_handler, SIGINT, SIG_IGN
 )
 
 # System library imports
 import zmq
 from zmq.eventloop import ioloop
 from zmq.eventloop.zmqstream import ZMQStream
 
 # Local imports
 from IPython.config.configurable import Configurable
 from IPython.core.error import StdinNotImplementedError
 from IPython.core import release
 from IPython.utils import io
 from IPython.utils import py3compat
 from IPython.utils.jsonutil import json_clean
 from IPython.utils.traitlets import (
     Any, Instance, Float, Dict, CaselessStrEnum, List, Set, Integer, Unicode,
     Type
 )
 
 from serialize import serialize_object, unpack_apply_message
 from session import Session
 from zmqshell import ZMQInteractiveShell
 
 
 #-----------------------------------------------------------------------------
 # Main kernel class
 #-----------------------------------------------------------------------------
 
 protocol_version = list(release.kernel_protocol_version_info)
 ipython_version = list(release.version_info)
 language_version = list(sys.version_info[:3])
 
 
 class Kernel(Configurable):
 
     #---------------------------------------------------------------------------
     # Kernel interface
     #---------------------------------------------------------------------------
 
     # attribute to override with a GUI
     eventloop = Any(None)
     def _eventloop_changed(self, name, old, new):
         """schedule call to eventloop from IOLoop"""
         loop = ioloop.IOLoop.instance()
         loop.add_timeout(time.time()+0.1, self.enter_eventloop)
 
     shell = Instance('IPython.core.interactiveshell.InteractiveShellABC')
     shell_class = Type(ZMQInteractiveShell)
 
     session = Instance(Session)
     profile_dir = Instance('IPython.core.profiledir.ProfileDir')
     shell_streams = List()
     control_stream = Instance(ZMQStream)
     iopub_socket = Instance(zmq.Socket)
     stdin_socket = Instance(zmq.Socket)
     log = Instance(logging.Logger)
     
     user_module = Any()
     def _user_module_changed(self, name, old, new):
         if self.shell is not None:
             self.shell.user_module = new
     
     user_ns = Dict(default_value=None)
     def _user_ns_changed(self, name, old, new):
         if self.shell is not None:
             self.shell.user_ns = new
             self.shell.init_user_ns()
 
     # identities:
     int_id = Integer(-1)
     ident = Unicode()
 
     def _ident_default(self):
         return unicode(uuid.uuid4())
 
 
     # Private interface
     
     # Time to sleep after flushing the stdout/err buffers in each execute
     # cycle.  While this introduces a hard limit on the minimal latency of the
     # execute cycle, it helps prevent output synchronization problems for
     # clients.
     # Units are in seconds.  The minimum zmq latency on local host is probably
     # ~150 microseconds, set this to 500us for now.  We may need to increase it
     # a little if it's not enough after more interactive testing.
     _execute_sleep = Float(0.0005, config=True)
 
     # Frequency of the kernel's event loop.
     # Units are in seconds, kernel subclasses for GUI toolkits may need to
     # adapt to milliseconds.
     _poll_interval = Float(0.05, config=True)
 
     # If the shutdown was requested over the network, we leave here the
     # necessary reply message so it can be sent by our registered atexit
     # handler.  This ensures that the reply is only sent to clients truly at
     # the end of our shutdown process (which happens after the underlying
     # IPython shell's own shutdown).
     _shutdown_message = None
 
     # This is a dict of port number that the kernel is listening on. It is set
     # by record_ports and used by connect_request.
     _recorded_ports = Dict()
 
     # A reference to the Python builtin 'raw_input' function.
     # (i.e., __builtin__.raw_input for Python 2.7, builtins.input for Python 3)
     _sys_raw_input = Any()
 
     # set of aborted msg_ids
     aborted = Set()
 
 
     def __init__(self, **kwargs):
         super(Kernel, self).__init__(**kwargs)
 
         # Initialize the InteractiveShell subclass
         self.shell = self.shell_class.instance(config=self.config,
             profile_dir = self.profile_dir,
             user_module = self.user_module,
             user_ns     = self.user_ns,
         )
         self.shell.displayhook.session = self.session
         self.shell.displayhook.pub_socket = self.iopub_socket
         self.shell.displayhook.topic = self._topic('pyout')
         self.shell.display_pub.session = self.session
         self.shell.display_pub.pub_socket = self.iopub_socket
         self.shell.data_pub.session = self.session
         self.shell.data_pub.pub_socket = self.iopub_socket
 
         # TMP - hack while developing
         self.shell._reply_content = None
 
         # Build dict of handlers for message types
         msg_types = [ 'execute_request', 'complete_request',
                       'object_info_request', 'history_request',
                       'kernel_info_request',
                       'connect_request', 'shutdown_request',
                       'apply_request',
                     ]
         self.shell_handlers = {}
         for msg_type in msg_types:
             self.shell_handlers[msg_type] = getattr(self, msg_type)
         
         control_msg_types = msg_types + [ 'clear_request', 'abort_request' ]
         self.control_handlers = {}
         for msg_type in control_msg_types:
             self.control_handlers[msg_type] = getattr(self, msg_type)
 
     def dispatch_control(self, msg):
         """dispatch control requests"""
         idents,msg = self.session.feed_identities(msg, copy=False)
         try:
             msg = self.session.unserialize(msg, content=True, copy=False)
         except:
             self.log.error("Invalid Control Message", exc_info=True)
             return
 
         self.log.debug("Control received: %s", msg)
 
         header = msg['header']
         msg_id = header['msg_id']
         msg_type = header['msg_type']
 
         handler = self.control_handlers.get(msg_type, None)
         if handler is None:
             self.log.error("UNKNOWN CONTROL MESSAGE TYPE: %r", msg_type)
         else:
             try:
                 handler(self.control_stream, idents, msg)
             except Exception:
                 self.log.error("Exception in control handler:", exc_info=True)
     
     def dispatch_shell(self, stream, msg):
         """dispatch shell requests"""
         # flush control requests first
         if self.control_stream:
             self.control_stream.flush()
         
         idents,msg = self.session.feed_identities(msg, copy=False)
         try:
             msg = self.session.unserialize(msg, content=True, copy=False)
         except:
             self.log.error("Invalid Message", exc_info=True)
             return
 
         header = msg['header']
         msg_id = header['msg_id']
         msg_type = msg['header']['msg_type']
         
         # Print some info about this message and leave a '--->' marker, so it's
         # easier to trace visually the message chain when debugging.  Each
         # handler prints its message at the end.
         self.log.debug('\n*** MESSAGE TYPE:%s***', msg_type)
         self.log.debug('   Content: %s\n   --->\n   ', msg['content'])
 
         if msg_id in self.aborted:
             self.aborted.remove(msg_id)
             # is it safe to assume a msg_id will not be resubmitted?
             reply_type = msg_type.split('_')[0] + '_reply'
             status = {'status' : 'aborted'}
             md = {'engine' : self.ident}
             md.update(status)
             reply_msg = self.session.send(stream, reply_type, metadata=md,
                         content=status, parent=msg, ident=idents)
             return
         
         handler = self.shell_handlers.get(msg_type, None)
         if handler is None:
             self.log.error("UNKNOWN MESSAGE TYPE: %r", msg_type)
         else:
             # ensure default_int_handler during handler call
             sig = signal(SIGINT, default_int_handler)
             try:
                 handler(stream, idents, msg)
             except Exception:
                 self.log.error("Exception in message handler:", exc_info=True)
             finally:
                 signal(SIGINT, sig)
     
     def enter_eventloop(self):
         """enter eventloop"""
         self.log.info("entering eventloop")
         # restore default_int_handler
         signal(SIGINT, default_int_handler)
         while self.eventloop is not None:
             try:
                 self.eventloop(self)
             except KeyboardInterrupt:
                 # Ctrl-C shouldn't crash the kernel
                 self.log.error("KeyboardInterrupt caught in kernel")
                 continue
             else:
                 # eventloop exited cleanly, this means we should stop (right?)
                 self.eventloop = None
                 break
         self.log.info("exiting eventloop")
 
     def start(self):
         """register dispatchers for streams"""
         self.shell.exit_now = False
         if self.control_stream:
             self.control_stream.on_recv(self.dispatch_control, copy=False)
 
         def make_dispatcher(stream):
             def dispatcher(msg):
                 return self.dispatch_shell(stream, msg)
             return dispatcher
 
         for s in self.shell_streams:
             s.on_recv(make_dispatcher(s), copy=False)
 
         # publish idle status
         self._publish_status('starting')
     
     def do_one_iteration(self):
         """step eventloop just once"""
         if self.control_stream:
             self.control_stream.flush()
         for stream in self.shell_streams:
             # handle at most one request per iteration
             stream.flush(zmq.POLLIN, 1)
             stream.flush(zmq.POLLOUT)
 
 
     def record_ports(self, ports):
         """Record the ports that this kernel is using.
 
         The creator of the Kernel instance must call this methods if they
         want the :meth:`connect_request` method to return the port numbers.
         """
         self._recorded_ports = ports
 
     #---------------------------------------------------------------------------
     # Kernel request handlers
     #---------------------------------------------------------------------------
     
     def _make_metadata(self, other=None):
         """init metadata dict, for execute/apply_reply"""
         new_md = {
             'dependencies_met' : True,
             'engine' : self.ident,
             'started': datetime.now(),
         }
         if other:
             new_md.update(other)
         return new_md
     
     def _publish_pyin(self, code, parent, execution_count):
         """Publish the code request on the pyin stream."""
 
         self.session.send(self.iopub_socket, u'pyin',
                             {u'code':code, u'execution_count': execution_count},
                             parent=parent, ident=self._topic('pyin')
         )
     
     def _publish_status(self, status, parent=None):
         """send status (busy/idle) on IOPub"""
         self.session.send(self.iopub_socket,
                           u'status',
                           {u'execution_state': status},
                           parent=parent,
                           ident=self._topic('status'),
                           )
         
 
     def execute_request(self, stream, ident, parent):
         """handle an execute_request"""
         
         self._publish_status(u'busy', parent)
         
         try:
             content = parent[u'content']
             code = content[u'code']
             silent = content[u'silent']
             store_history = content.get(u'store_history', not silent)
         except:
             self.log.error("Got bad msg: ")
             self.log.error("%s", parent)
             return
         
         md = self._make_metadata(parent['metadata'])
 
         shell = self.shell # we'll need this a lot here
 
         # Replace raw_input. Note that is not sufficient to replace
         # raw_input in the user namespace.
         if content.get('allow_stdin', False):
             raw_input = lambda prompt='': self._raw_input(prompt, ident, parent)
         else:
             raw_input = lambda prompt='' : self._no_raw_input()
 
         if py3compat.PY3:
             self._sys_raw_input = __builtin__.input
             __builtin__.input = raw_input
         else:
             self._sys_raw_input = __builtin__.raw_input
             __builtin__.raw_input = raw_input
 
         # Set the parent message of the display hook and out streams.
         shell.displayhook.set_parent(parent)
         shell.display_pub.set_parent(parent)
         shell.data_pub.set_parent(parent)
         try:
             sys.stdout.set_parent(parent)
         except AttributeError:
             pass
         try:
             sys.stderr.set_parent(parent)
         except AttributeError:
             pass
 
         # Re-broadcast our input for the benefit of listening clients, and
         # start computing output
         if not silent:
             self._publish_pyin(code, parent, shell.execution_count)
 
         reply_content = {}
         try:
             # FIXME: the shell calls the exception handler itself.
             shell.run_cell(code, store_history=store_history, silent=silent)
         except:
             status = u'error'
             # FIXME: this code right now isn't being used yet by default,
             # because the run_cell() call above directly fires off exception
             # reporting.  This code, therefore, is only active in the scenario
             # where runlines itself has an unhandled exception.  We need to
             # uniformize this, for all exception construction to come from a
             # single location in the codbase.
             etype, evalue, tb = sys.exc_info()
             tb_list = traceback.format_exception(etype, evalue, tb)
             reply_content.update(shell._showtraceback(etype, evalue, tb_list))
         else:
             status = u'ok'
         finally:
             # Restore raw_input.
              if py3compat.PY3:
                  __builtin__.input = self._sys_raw_input
              else:
                  __builtin__.raw_input = self._sys_raw_input
 
         reply_content[u'status'] = status
 
         # Return the execution counter so clients can display prompts
         reply_content['execution_count'] = shell.execution_count - 1
 
         # FIXME - fish exception info out of shell, possibly left there by
         # runlines.  We'll need to clean up this logic later.
         if shell._reply_content is not None:
             reply_content.update(shell._reply_content)
             e_info = dict(engine_uuid=self.ident, engine_id=self.int_id, method='execute')
             reply_content['engine_info'] = e_info
             # reset after use
             shell._reply_content = None
         
         if 'traceback' in reply_content:
             self.log.info("Exception in execute request:\n%s", '\n'.join(reply_content['traceback']))
         
 
         # At this point, we can tell whether the main code execution succeeded
         # or not.  If it did, we proceed to evaluate user_variables/expressions
         if reply_content['status'] == 'ok':
             reply_content[u'user_variables'] = \
                          shell.user_variables(content.get(u'user_variables', []))
             reply_content[u'user_expressions'] = \
                          shell.user_expressions(content.get(u'user_expressions', {}))
         else:
             # If there was an error, don't even try to compute variables or
             # expressions
             reply_content[u'user_variables'] = {}
             reply_content[u'user_expressions'] = {}
 
         # Payloads should be retrieved regardless of outcome, so we can both
         # recover partial output (that could have been generated early in a
         # block, before an error) and clear the payload system always.
         reply_content[u'payload'] = shell.payload_manager.read_payload()
         # Be agressive about clearing the payload because we don't want
         # it to sit in memory until the next execute_request comes in.
         shell.payload_manager.clear_payload()
 
         # Flush output before sending the reply.
         sys.stdout.flush()
         sys.stderr.flush()
         # FIXME: on rare occasions, the flush doesn't seem to make it to the
         # clients... This seems to mitigate the problem, but we definitely need
         # to better understand what's going on.
         if self._execute_sleep:
             time.sleep(self._execute_sleep)
 
         # Send the reply.
         reply_content = json_clean(reply_content)
         
         md['status'] = reply_content['status']
         if reply_content['status'] == 'error' and \
                         reply_content['ename'] == 'UnmetDependency':
                 md['dependencies_met'] = False
 
         reply_msg = self.session.send(stream, u'execute_reply',
                                       reply_content, parent, metadata=md,
                                       ident=ident)
         
         self.log.debug("%s", reply_msg)
 
         if not silent and reply_msg['content']['status'] == u'error':
             self._abort_queues()
 
         self._publish_status(u'idle', parent)
 
     def complete_request(self, stream, ident, parent):
         txt, matches = self._complete(parent)
         matches = {'matches' : matches,
                    'matched_text' : txt,
                    'status' : 'ok'}
         matches = json_clean(matches)
         completion_msg = self.session.send(stream, 'complete_reply',
                                            matches, parent, ident)
         self.log.debug("%s", completion_msg)
 
     def object_info_request(self, stream, ident, parent):
         content = parent['content']
         object_info = self.shell.object_inspect(content['oname'],
                         detail_level = content.get('detail_level', 0)
         )
         # Before we send this object over, we scrub it for JSON usage
         oinfo = json_clean(object_info)
         msg = self.session.send(stream, 'object_info_reply',
                                 oinfo, parent, ident)
         self.log.debug("%s", msg)
 
     def history_request(self, stream, ident, parent):
         # We need to pull these out, as passing **kwargs doesn't work with
         # unicode keys before Python 2.6.5.
         hist_access_type = parent['content']['hist_access_type']
         raw = parent['content']['raw']
         output = parent['content']['output']
         if hist_access_type == 'tail':
             n = parent['content']['n']
             hist = self.shell.history_manager.get_tail(n, raw=raw, output=output,
                                                             include_latest=True)
 
         elif hist_access_type == 'range':
             session = parent['content']['session']
             start = parent['content']['start']
             stop = parent['content']['stop']
             hist = self.shell.history_manager.get_range(session, start, stop,
                                                         raw=raw, output=output)
 
         elif hist_access_type == 'search':
             n = parent['content'].get('n')
             unique = parent['content'].get('unique', False)
             pattern = parent['content']['pattern']
             hist = self.shell.history_manager.search(
                 pattern, raw=raw, output=output, n=n, unique=unique)
 
         else:
             hist = []
         hist = list(hist)
         content = {'history' : hist}
         content = json_clean(content)
         msg = self.session.send(stream, 'history_reply',
                                 content, parent, ident)
         self.log.debug("Sending history reply with %i entries", len(hist))
 
     def connect_request(self, stream, ident, parent):
         if self._recorded_ports is not None:
             content = self._recorded_ports.copy()
         else:
             content = {}
         msg = self.session.send(stream, 'connect_reply',
                                 content, parent, ident)
         self.log.debug("%s", msg)
 
     def kernel_info_request(self, stream, ident, parent):
         vinfo = {
             'protocol_version': protocol_version,
             'ipython_version': ipython_version,
             'language_version': language_version,
             'language': 'python',
         }
         msg = self.session.send(stream, 'kernel_info_reply',
                                 vinfo, parent, ident)
         self.log.debug("%s", msg)
 
     def shutdown_request(self, stream, ident, parent):
         self.shell.exit_now = True
         content = dict(status='ok')
         content.update(parent['content'])
         self.session.send(stream, u'shutdown_reply', content, parent, ident=ident)
         # same content, but different msg_id for broadcasting on IOPub
         self._shutdown_message = self.session.msg(u'shutdown_reply',
                                                   content, parent
         )
 
         self._at_shutdown()
         # call sys.exit after a short delay
         loop = ioloop.IOLoop.instance()
         loop.add_timeout(time.time()+0.1, loop.stop)
 
     #---------------------------------------------------------------------------
     # Engine methods
     #---------------------------------------------------------------------------
 
     def apply_request(self, stream, ident, parent):
         try:
             content = parent[u'content']
             bufs = parent[u'buffers']
             msg_id = parent['header']['msg_id']
         except:
             self.log.error("Got bad msg: %s", parent, exc_info=True)
             return
 
         self._publish_status(u'busy', parent)
 
         # Set the parent message of the display hook and out streams.
         shell = self.shell
         shell.displayhook.set_parent(parent)
         shell.display_pub.set_parent(parent)
         shell.data_pub.set_parent(parent)
         try:
             sys.stdout.set_parent(parent)
         except AttributeError:
             pass
         try:
             sys.stderr.set_parent(parent)
         except AttributeError:
             pass
 
         # pyin_msg = self.session.msg(u'pyin',{u'code':code}, parent=parent)
         # self.iopub_socket.send(pyin_msg)
         # self.session.send(self.iopub_socket, u'pyin', {u'code':code},parent=parent)
         md = self._make_metadata(parent['metadata'])
         try:
             working = shell.user_ns
 
             prefix = "_"+str(msg_id).replace("-","")+"_"
 
             f,args,kwargs = unpack_apply_message(bufs, working, copy=False)
 
             fname = getattr(f, '__name__', 'f')
 
             fname = prefix+"f"
             argname = prefix+"args"
             kwargname = prefix+"kwargs"
             resultname = prefix+"result"
 
             ns = { fname : f, argname : args, kwargname : kwargs , resultname : None }
             # print ns
             working.update(ns)
             code = "%s = %s(*%s,**%s)" % (resultname, fname, argname, kwargname)
             try:
                 exec code in shell.user_global_ns, shell.user_ns
                 result = working.get(resultname)
             finally:
                 for key in ns.iterkeys():
                     working.pop(key)
 
             result_buf = serialize_object(result,
                 buffer_threshold=self.session.buffer_threshold,
                 item_threshold=self.session.item_threshold,
             )
         
         except:
             # invoke IPython traceback formatting
             shell.showtraceback()
             # FIXME - fish exception info out of shell, possibly left there by
             # run_code.  We'll need to clean up this logic later.
             reply_content = {}
             if shell._reply_content is not None:
                 reply_content.update(shell._reply_content)
                 e_info = dict(engine_uuid=self.ident, engine_id=self.int_id, method='apply')
                 reply_content['engine_info'] = e_info
                 # reset after use
                 shell._reply_content = None
             
             self.session.send(self.iopub_socket, u'pyerr', reply_content, parent=parent,
                                 ident=self._topic('pyerr'))
             self.log.info("Exception in apply request:\n%s", '\n'.join(reply_content['traceback']))
             result_buf = []
 
             if reply_content['ename'] == 'UnmetDependency':
                 md['dependencies_met'] = False
         else:
             reply_content = {'status' : 'ok'}
 
         # put 'ok'/'error' status in header, for scheduler introspection:
         md['status'] = reply_content['status']
 
         # flush i/o
         sys.stdout.flush()
         sys.stderr.flush()
         
         reply_msg = self.session.send(stream, u'apply_reply', reply_content,
                     parent=parent, ident=ident,buffers=result_buf, metadata=md)
 
         self._publish_status(u'idle', parent)
 
     #---------------------------------------------------------------------------
     # Control messages
     #---------------------------------------------------------------------------
 
     def abort_request(self, stream, ident, parent):
         """abort a specifig msg by id"""
         msg_ids = parent['content'].get('msg_ids', None)
         if isinstance(msg_ids, basestring):
             msg_ids = [msg_ids]
         if not msg_ids:
             self.abort_queues()
         for mid in msg_ids:
             self.aborted.add(str(mid))
 
         content = dict(status='ok')
         reply_msg = self.session.send(stream, 'abort_reply', content=content,
                 parent=parent, ident=ident)
         self.log.debug("%s", reply_msg)
 
     def clear_request(self, stream, idents, parent):
         """Clear our namespace."""
         self.shell.reset(False)
         msg = self.session.send(stream, 'clear_reply', ident=idents, parent=parent,
                 content = dict(status='ok'))
 
 
     #---------------------------------------------------------------------------
     # Protected interface
     #---------------------------------------------------------------------------
 
     def _wrap_exception(self, method=None):
         # import here, because _wrap_exception is only used in parallel,
         # and parallel has higher min pyzmq version
         from IPython.parallel.error import wrap_exception
         e_info = dict(engine_uuid=self.ident, engine_id=self.int_id, method=method)
         content = wrap_exception(e_info)
         return content
 
     def _topic(self, topic):
         """prefixed topic for IOPub messages"""
         if self.int_id >= 0:
             base = "engine.%i" % self.int_id
         else:
             base = "kernel.%s" % self.ident
         
         return py3compat.cast_bytes("%s.%s" % (base, topic))
     
     def _abort_queues(self):
         for stream in self.shell_streams:
             if stream:
                 self._abort_queue(stream)
 
     def _abort_queue(self, stream):
         poller = zmq.Poller()
         poller.register(stream.socket, zmq.POLLIN)
         while True:
             idents,msg = self.session.recv(stream, zmq.NOBLOCK, content=True)
             if msg is None:
                 return
 
             self.log.info("Aborting:")
             self.log.info("%s", msg)
             msg_type = msg['header']['msg_type']
             reply_type = msg_type.split('_')[0] + '_reply'
 
             status = {'status' : 'aborted'}
             md = {'engine' : self.ident}
             md.update(status)
             reply_msg = self.session.send(stream, reply_type, metadata=md,
                         content=status, parent=msg, ident=idents)
             self.log.debug("%s", reply_msg)
             # We need to wait a bit for requests to come in. This can probably
             # be set shorter for true asynchronous clients.
             poller.poll(50)
 
 
     def _no_raw_input(self):
         """Raise StdinNotImplentedError if active frontend doesn't support
         stdin."""
         raise StdinNotImplementedError("raw_input was called, but this "
                                        "frontend does not support stdin.") 
         
     def _raw_input(self, prompt, ident, parent):
         # Flush output before making the request.
         sys.stderr.flush()
         sys.stdout.flush()
+        # flush the stdin socket, to purge stale replies
+        while True:
+            try:
+                self.stdin_socket.recv_multipart(zmq.NOBLOCK)
+            except zmq.ZMQError as e:
+                if e.errno == zmq.EAGAIN:
+                    break
+                else:
+                    raise
 
         # Send the input request.
         content = json_clean(dict(prompt=prompt))
         self.session.send(self.stdin_socket, u'input_request', content, parent,
                           ident=ident)
 
         # Await a response.
         while True:
             try:
                 ident, reply = self.session.recv(self.stdin_socket, 0)
             except Exception:
                 self.log.warn("Invalid Message:", exc_info=True)
             else:
                 break
         try:
             value = reply['content']['value']
         except:
             self.log.error("Got bad raw_input reply: ")
             self.log.error("%s", parent)
             value = ''
         if value == '\x04':
             # EOF
             raise EOFError
         return value
 
     def _complete(self, msg):
         c = msg['content']
         try:
             cpos = int(c['cursor_pos'])
         except:
             # If we don't get something that we can convert to an integer, at
             # least attempt the completion guessing the cursor is at the end of
             # the text, if there's any, and otherwise of the line
             cpos = len(c['text'])
             if cpos==0:
                 cpos = len(c['line'])
         return self.shell.complete(c['text'], c['line'], cpos)
 
     def _at_shutdown(self):
         """Actions taken at shutdown by the kernel, called by python's atexit.
         """
         # io.rprint("Kernel at_shutdown") # dbg
         if self._shutdown_message is not None:
             self.session.send(self.iopub_socket, self._shutdown_message, ident=self._topic('shutdown'))
             self.log.debug("%s", self._shutdown_message)
         [ s.flush(zmq.POLLOUT) for s in self.shell_streams ]