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"""Tornado handlers for the tree 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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import os
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from tornado import web
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from ..base.handlers import IPythonHandler
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from ..utils import url_path_join, path2url, url2path, url_escape
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from ..services.notebooks.handlers import _notebook_path_regex, _path_regex
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#-----------------------------------------------------------------------------
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# Handlers
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#-----------------------------------------------------------------------------
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class TreeHandler(IPythonHandler):
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"""Render the tree view, listing notebooks, clusters, etc."""
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@web.authenticated
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def get(self, path='', name=None):
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path = path.strip('/')
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nbm = self.notebook_manager
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if name is not None:
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# is a notebook, redirect to notebook handler
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url = url_escape(url_path_join(
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self.base_project_url, 'notebooks', path, name
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))
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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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else:
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if not nbm.path_exists(path=path):
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# no such directory, 404
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raise web.HTTPError(404)
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self.write(self.render_template('tree.html',
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project=self.project_dir,
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tree_url_path=path,
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notebook_path=path,
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))
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class TreeRedirectHandler(IPythonHandler):
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"""Redirect a request to the corresponding tree URL"""
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@web.authenticated
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def get(self, path=''):
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url = url_escape(url_path_join(
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self.base_project_url, 'tree', path.strip('/')
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))
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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"/tree%s" % _notebook_path_regex, TreeHandler),
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(r"/tree%s" % _path_regex, TreeHandler),
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(r"/tree", TreeHandler),
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(r"/", TreeRedirectHandler),
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]
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