/usr/lib/python2.7/dist-packages/notebook/bundler/tarball_bundler.py is in python-notebook 5.2.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | # Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import os
import io
import tarfile
import nbformat
def _jupyter_bundlerextension_paths():
"""Metadata for notebook bundlerextension"""
return [{
# unique bundler name
"name": "tarball_bundler",
# module containing bundle function
"module_name": "notebook.bundler.tarball_bundler",
# human-redable menu item label
"label" : "Notebook Tarball (tar.gz)",
# group under 'deploy' or 'download' menu
"group" : "download",
}]
def bundle(handler, model):
"""Create a compressed tarball containing the notebook document.
Parameters
----------
handler : tornado.web.RequestHandler
Handler that serviced the bundle request
model : dict
Notebook model from the configured ContentManager
"""
notebook_filename = model['name']
notebook_content = nbformat.writes(model['content']).encode('utf-8')
notebook_name = os.path.splitext(notebook_filename)[0]
tar_filename = '{}.tar.gz'.format(notebook_name)
info = tarfile.TarInfo(notebook_filename)
info.size = len(notebook_content)
with io.BytesIO() as tar_buffer:
with tarfile.open(tar_filename, "w:gz", fileobj=tar_buffer) as tar:
tar.addfile(info, io.BytesIO(notebook_content))
handler.set_attachment_header(tar_filename)
handler.set_header('Content-Type', 'application/gzip')
# Return the buffer value as the response
handler.finish(tar_buffer.getvalue())
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