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"""Tornado handlers for the live notebook view.
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Authors:
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* Brian Granger
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"""
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#-----------------------------------------------------------------------------
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# Copyright (C) 2011 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from tornado import web
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HTTPError = web.HTTPError
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from ..base.handlers import IPythonHandler
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from ..services.notebooks.handlers import _notebook_path_regex, _path_regex
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from ..utils import url_path_join, url_escape
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#-----------------------------------------------------------------------------
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# Handlers
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#-----------------------------------------------------------------------------
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class NotebookHandler(IPythonHandler):
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@web.authenticated
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def get(self, path='', name=None):
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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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nbm = self.notebook_manager
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if name is None:
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raise web.HTTPError(500, "This shouldn't be accessible: %s" % self.request.uri)
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# a .ipynb filename was given
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if not nbm.notebook_exists(name, path):
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raise web.HTTPError(404, u'Notebook does not exist: %s/%s' % (path, name))
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name = url_escape(name)
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path = url_escape(path)
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self.write(self.render_template('notebook.html',
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project=self.project_dir,
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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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class NotebookRedirectHandler(IPythonHandler):
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def get(self, path=''):
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nbm = self.notebook_manager
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if nbm.path_exists(path):
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# it's a *directory*, redirect to /tree
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url = url_path_join(self.base_project_url, 'tree', path)
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else:
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# otherwise, redirect to /files
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# TODO: This should check if it's actually a file
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url = url_path_join(self.base_project_url, 'files', path)
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url = url_escape(url)
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self.log.debug("Redirecting %s to %s", self.request.path, url)
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self.redirect(url)
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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" % _notebook_path_regex, NotebookHandler),
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(r"/notebooks%s" % _path_regex, NotebookRedirectHandler),
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]
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