/usr/lib/python2.7/dist-packages/notebook/view/handlers.py is in python-notebook 5.2.2-1.
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"""Tornado handlers for viewing HTML files."""
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
from tornado import web
from ..base.handlers import IPythonHandler, path_regex
from ..utils import url_escape, url_path_join
class ViewHandler(IPythonHandler):
"""Render HTML files within an iframe."""
@web.authenticated
def get(self, path):
path = path.strip('/')
if not self.contents_manager.file_exists(path):
raise web.HTTPError(404, u'File does not exist: %s' % path)
basename = path.rsplit('/', 1)[-1]
file_url = url_path_join(self.base_url, 'files', url_escape(path))
self.write(
self.render_template('view.html', file_url=file_url, page_title=basename)
)
default_handlers = [
(r"/view%s" % path_regex, ViewHandler),
]
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