##// END OF EJS Templates
Live updates for children automatically change container views....
Live updates for children automatically change container views. Since traitlets does not trigger events when list elements are changed, these changes are triggered only when the entire children element is reassigned.

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handlers.py
76 lines | 2.5 KiB | text/x-python | PythonLexer
"""Tornado handlers for the tree view.
Authors:
* Brian Granger
"""
#-----------------------------------------------------------------------------
# Copyright (C) 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 os
from tornado import web
from ..base.handlers import IPythonHandler, notebook_path_regex, path_regex
from ..utils import url_path_join, path2url, url2path, url_escape
#-----------------------------------------------------------------------------
# Handlers
#-----------------------------------------------------------------------------
class TreeHandler(IPythonHandler):
"""Render the tree view, listing notebooks, clusters, etc."""
@web.authenticated
def get(self, path='', name=None):
path = path.strip('/')
nbm = self.notebook_manager
if name is not None:
# is a notebook, redirect to notebook handler
url = url_escape(url_path_join(
self.base_project_url, 'notebooks', path, name
))
self.log.debug("Redirecting %s to %s", self.request.path, url)
self.redirect(url)
else:
if not nbm.path_exists(path=path):
# no such directory, 404
raise web.HTTPError(404)
self.write(self.render_template('tree.html',
project=self.project_dir,
tree_url_path=path,
notebook_path=path,
))
class TreeRedirectHandler(IPythonHandler):
"""Redirect a request to the corresponding tree URL"""
@web.authenticated
def get(self, path=''):
url = url_escape(url_path_join(
self.base_project_url, 'tree', path.strip('/')
))
self.log.debug("Redirecting %s to %s", self.request.path, url)
self.redirect(url)
#-----------------------------------------------------------------------------
# URL to handler mappings
#-----------------------------------------------------------------------------
default_handlers = [
(r"/tree%s" % notebook_path_regex, TreeHandler),
(r"/tree%s" % path_regex, TreeHandler),
(r"/tree", TreeHandler),
(r"/", TreeRedirectHandler),
]