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Sage Notebook (flask)
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Merge pull request #349 from jdemeyer/fix_plot_permissions

Copy instead of move such that owner is correct
latest commit 01f0dba9c0
@novoselt novoselt authored


This is the standalone Sage Notebook.

Most of the notebook does not depend on having Sage installed. Only a few miscellaneous functions are imported from Sage. We welcome help in making the notebook completely independent from Sage, or indeed, any other help with the Sage notebook. Sage notebook development discussions happen on the sage-notebook mailing list.


Install Sage, then do sage -python install in the current directory. Then run the notebook from within Sage as follows:

sage: import sagenb.notebook.notebook_object as nb
sage: nb.notebook(directory="mynotebook")

This will create a directory mynotebook.sagenb, and all notebook data is stored in that directory.

SSL support

SSL is required for OpenID and HTTPS support in the notebook. OpenID only requires Python's built-in SSL support, whereas HTTPS support also requires the Python library pyOpenSSL. In order to ensure that these are installed, please follow the instructions in Sage's own README file (look for the section about SSL). If you don't intend to use OpenID for user logins, or HTTPS for connecting to the server, you can safely ignore this section. In particular, if you're installing a copy of Sage for your personal use only, you probably won't need OpenID or HTTPS support in the notebook.

LDAP authentication

HTTPS support in the Python library is required to download and install files, in order to install LDAP authentication support. To enable HTTPS support read the section on SSL in Sage's own README file. Enabling LDAP authentication also requires one to install the LDAP development headers. You can install the LDAP development headers to your system by using your package manager. For instance, on a Debian/Ubuntu Linux system you may install LDAP and SSL by running the following command:

$ sudo apt-get install libldap2-dev libsasl2-dev libssl-dev

Next, use the following commands to install the python-ldap package in Sage:

$ /path/to/sage -sh
$ easy_install python-ldap

Once python-ldap is installed, (re)start the notebook server and the options to setup LDAP authentication will be visible in the "Notebook Settings" section of the "Settings."


Development and issue tracking of sagenb happens primarily on Github at, with certain discussions at the sage-notebook Google group!forum/sage-notebook.

Instructions for getting started with sagenb development are found in the file HACKING.rst, including how to link a local clone of the source to an existing Sage installation.

See the Sage Developer's guide, part of the Sage documentation, at for some further instructions. There is also a useful, if somewhat outdated, overview of the directory structure, evaluation and serving flow at

Stylesheets (CSS)

See sass/readme.txt for information about how to use sagenb's SCSS files to update its CSS properly.


The Sage notebook has various localizations available, and welcomes updates to those as well as new ones. The current localizations are available in sagenb/translations.

The file util/ encapsulates much of the Python Babel localization utility in an easy-to-use interface meant for the Sage notebook. We recommend its use to update and create new translations. Full help is available by running the file in the Sage Python shell with the -h argument:

sage -python ./util/ -h

A more advanced introduction is in preparation.

Release Instructions

Currently, sagenb is an upstream project from Sage proper. That means any new sagenb release needs to be packaged properly in order to be included in Sage.

Read for step-by-step details on how to create such a release, including minor changes needed on the Sage side to build/pkgs/sagenb/package-version.txt and the checksum file.

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