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Distributing Notebooks

Interact links launch students into a notebook on JupyterHub by pulling the assignment from Github. If you are using a JupyterHub instance for your course, we recommend using interact links to distribute notebooks to students. If you are running notebooks locally, you should instead distribute assignments through a learning management system (LMS). In this case, after you have uploaded the files to the LMS, students will need to download them and run it locally on their computers.
Interact links simplify the assignment distribution process. Rather than downloading files from an external source and then uploading to their personal JupyterHub accounts, users can obtain all files for a given assignment with just one click. When a user clicks on an interact link for a particular assignment, all files for the assignment will show up in the user's personal JupyterHub account.
These links can be used with any content stored on GitHub in a public repository. Interact links can be generated for an entire repository, or a particular file or folder. When a link is clicked, a series of Git commands are run from the user's JupyterHub account, which is why interact links must be used with content on GitHub. They cannot be used to pull arbitrary files from sources other than GitHub.
Using these links enables users to immediately interact with publicly available content on GitHub. This is valuable for easy assignment distribution, but also in the broader context of using the open-source content that is available on GitHub. Students do not have to learn Git in order to interact with this content.
Here is an interact link with the various components highlighted in different colors. The grey portions of the link are needed for formatting and will remain the same for each links. The colored portions will be different for each link. If you are new to GitHub you may want to familiarize yourself with the basics (repositories, branches, etc.) to better understand each component.
link components
The above link does the following:
  • Clones the repo ds-modules/SW-282 into the user's account on the JupyterHub at https://datahub.berkeley.edu
  • Checks out to the master branch (this is the default, but specifiable)
  • Opens the file lab04/lab04.ipynb on the datahub.berkeley.edu JupyterHub. The full path of this file on the user's JupyterHub account would be ~/SW-282/lab04/lab04.ipynb.

Workflow

Here are the basic steps you will need to go through to distribute notebooks and other files.
  1. 1.
    Create a folder with all files for the assignment (notebook, datasets, etc.)
  2. 2.
    Upload the folder to a public GitHub repository
  3. 3.
    Generate an interact link for the folder using the interact link generator (more on this below)
  4. 4.
    Distribute the link to students through some web page
Interact links can be manually created in the format shown above, or can be automatically generated using this tool. The interact link generator tool allows users to specify a JupyterHub URL and GitHub url as inputs. The tool will generate an interact link for the specified GitHub content and JupyterHub.
nbgitpuller
For example, to pull this repo into the JupyterHub at https://datahub.berkeley.edu, we would fill out the nbgitpuller link generator with:
  1. 1.
    Fill in the JupyterHub URL field with https://datahub.berkeley.edu
  2. 2.
    Paste the GitHub URL to the repo in the Git Repository URL field: https://github.com/ds-modules/SW-282
  3. 3.
    Leave the Branch field blank, because it defaults to master
  4. 4.
    Fill in the File to Open field with the path to the file: lab04/lab04.ipynb
After finishing these steps, the link in the grey text box will be your interact link.

An important note

The technology behind interact links, called nbgitpuller, pulls all files from a repo into the user's JuypterHub account. This means that you should not store unfinished materials and answer keys in the same repo as published assignments. Any interact link for a published assignment would also distribute the unfinished materials and answer keys to the students, which you probably do not want. Instead, we recommend that you use a public repo for published assignments and a private repo for unfinished materials and answer keys.