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handlers.py
83 lines | 2.8 KiB | text/x-python | PythonLexer
"""Tornado handlers for the live notebook 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
import json
from tornado import web
HTTPError = web.HTTPError
from ..base.handlers import IPythonHandler
from ..services.notebooks.handlers import _notebook_path_regex, _path_regex
from ..utils import url_path_join, url_escape, url_unescape
from urllib import quote
#-----------------------------------------------------------------------------
# Handlers
#-----------------------------------------------------------------------------
class NotebookHandler(IPythonHandler):
@web.authenticated
def get(self, path='', name=None):
"""get renders the notebook template if a name is given, or
redirects to the '/files/' handler if the name is not given."""
path = path.strip('/')
nbm = self.notebook_manager
if name is None:
raise web.HTTPError(500, "This shouldn't be accessible: %s" % self.request.uri)
# a .ipynb filename was given
if not nbm.notebook_exists(name, path):
raise web.HTTPError(404, u'Notebook does not exist: %s/%s' % (path, name))
name = url_escape(name)
path = url_escape(path)
self.write(self.render_template('notebook.html',
project=self.project_dir,
notebook_path=path,
notebook_name=name,
kill_kernel=False,
mathjax_url=self.mathjax_url,
)
)
class NotebookRedirectHandler(IPythonHandler):
def get(self, path=''):
nbm = self.notebook_manager
if nbm.path_exists(path):
# it's a *directory*, redirect to /tree
url = url_path_join(self.base_project_url, 'tree', path)
else:
# otherwise, redirect to /files
# TODO: This should check if it's actually a file
url = url_path_join(self.base_project_url, 'files', path)
url = url_escape(url)
self.log.debug("Redirecting %s to %s", self.request.path, url)
self.redirect(url)
#-----------------------------------------------------------------------------
# URL to handler mappings
#-----------------------------------------------------------------------------
default_handlers = [
(r"/notebooks%s" % _notebook_path_regex, NotebookHandler),
(r"/notebooks%s" % _path_regex, NotebookRedirectHandler),
]