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"""Tornado handlers for the live notebook view."""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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import os
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from tornado import web
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HTTPError = web.HTTPError
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from ..base.handlers import (
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IPythonHandler, FilesRedirectHandler, path_regex,
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)
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from ..utils import url_escape
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class NotebookHandler(IPythonHandler):
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@web.authenticated
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def get(self, path):
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"""get renders the notebook template if a name is given, or
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redirects to the '/files/' handler if the name is not given."""
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path = path.strip('/')
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cm = self.contents_manager
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# will raise 404 on not found
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try:
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model = cm.get(path, content=False)
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except web.HTTPError as e:
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if e.code == 404 and 'files' in path.split('/'):
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# 404, but '/files/' in URL, let FilesRedirect take care of it
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return FilesRedirectHandler.get(self, path)
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else:
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raise
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if model['type'] != 'notebook':
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# not a notebook, redirect to files
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return FilesRedirectHandler.get(self, path)
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name = url_escape(path.rsplit('/', 1)[-1])
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path = url_escape(path)
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self.write(self.render_template('notebook.html',
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notebook_path=path,
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notebook_name=name,
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kill_kernel=False,
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mathjax_url=self.mathjax_url,
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)
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)
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#-----------------------------------------------------------------------------
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# URL to handler mappings
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#-----------------------------------------------------------------------------
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default_handlers = [
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(r"/notebooks%s" % path_regex, NotebookHandler),
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]
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