"""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 from tornado import web HTTPError = web.HTTPError from ..base.handlers import IPythonHandler, notebook_path_regex, path_regex from ..utils import url_path_join, url_escape #----------------------------------------------------------------------------- # 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('/') cm = self.contents_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 cm.file_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=''): cm = self.contents_manager if cm.path_exists(path): # it's a *directory*, redirect to /tree url = url_path_join(self.base_url, 'tree', path) else: orig_path = path # otherwise, redirect to /files parts = path.split('/') path = '/'.join(parts[:-1]) name = parts[-1] if not cm.file_exists(name=name, path=path) and 'files' in parts: # redirect without files/ iff it would 404 # this preserves pre-2.0-style 'files/' links self.log.warn("Deprecated files/ URL: %s", orig_path) parts.remove('files') path = '/'.join(parts[:-1]) if not cm.file_exists(name=name, path=path): raise web.HTTPError(404) url = url_path_join(self.base_url, 'files', path, name) 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), ]