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Thu Learn 2018

Tools for Web Learning of Tsinghua University.

2023.11.28 Fix UNSAFE_LEGACY_RENEGOTIATION_DISABLED error

It has been confirmed on some Linux distros that the depreciation of legacy unsafe renegotiation in OpenSSL causes UNSAFE_LEGACY_RENEGOTIATION_DISABLED error. By refering to https://stackoverflow.com/questions/71603314/ssl-error-unsafe-legacy-renegotiation-disabled, the project has provided a custom openssl.conf to help address the connectivity issue.

Just set the OPENSSL_CONFIG variable when executing learn commands:

OPENSSL_CONF="$HOME/.config/thulearn2018/openssl.conf" learn ...

or if you have a custom XDG_CONFIG_HOME:

OPENSSL_CONF="$XDG_CONFIG_HOME/thulearn2018/openssl.conf" learn ...

You can also alias learn to OPENSSL_CONF="$HOME/.config/thulearn2018/openssl.conf" learn to achieve drop-in solution.

Warning: When enabling Legacy Unsafe Renegotiation, SSL connections will be vulnerable to the Man-in-the-Middle prefix attack as described in CVE-2009-3555. Use this at your own risk and it is not recommened to export the variable shell-wide.

Get Started

pip install thulearn2018

Or install the lastest version from GitHub:

pip install git+https://github.com/euxcet/thulearn2018.git

User Guide

After installing the package, you will get the command learn . Check this by running

learn --help

This will show all the subcommands you can use basically, including downloading all the new files, listing the deadlines and submitting your work.

Login Authentication

For login authentication, please run

learn reset

to set or reset your personal configuration, including the username/password for web learning and the absolute path where you want to save your courses in the current semester. If you'd like to download from past semesters, always remember to customize the target directory unless the default one is preferred.

Notice: The username/password is saved to a local file in your temp directory, depending on your OS and won't be uploaded to anywhere online except the web learning.

Anytime you want to check the config, just run

learn config

Functional Commands

Now you could

  • download all the new files and assignments along with the attachments by

    learn download [-e | --exclude "<course_name1>[,<course_name2>, ...]"]
               [-i | --include "<course_name1>[,<course_name2>, ...]"]
               [-s | --semester <semester>]
               [-o | --path <path>]
               [--download-submission]

    This command will also create subdirectories for all the courses automatically.

    • [-e | --exclude ]: Courses to be excluded, separated by ,, default to none. (Do not add space between , and the course name, as course names may contain space)
    • [-i | --include ]: Courses to be included, separated by ,, default to all.
    • [-s | --semester ]: The semester to download, default to the current one.
    • [-o | --path ]: The path to save the files, default to the one in the config.
    • [--download-submission]: Whether to download the submissions of assignments, default to False, as it will cover the original work. (Most likely a newer one!). Designed to download from past semesters, when you don't have a copy of your assignments locally.

There are 4 possible annexes for an assignment, including 1. the requirement, 2. the answer, 3. your submission and 4. reviewed submission. As we cannot control how the teacher names the files, prefixes answer_ and reviewed_ will be added to relevant files to avoid clashes.

  • list the deadlines sorted by time

    learn ddl [-e | --exclude "<course_name1>[,<course_name2>, ...]"]
          [-i | --include "<course_name1>[,<course_name2>, ...]"]
          [-s | --semester <semester>]

  • submit your assignment and the text message with

    learn submit /path/to/your/assignment [-m "<message>"]

    Notice: This command must be excuted at the assignment directory where a file named .xszyid exists. If you do not want to upload any text/file, just omit the -m option/the parameter following submit.

  • clear all the record of your course files and assignments for a semester, default to the current one.

    learn clear [--semester <semester>]

    This command will not delete the existing files. It means the next time you try to download course files, all the files will be redownloaded, no matter whether you have downloaded them.

Interrupted Download

You can interrupt the download process of any certain file to skip it by pressing Ctrl + C. This skip will be recorded and the next time you try to download the files, the skipped files will not be downloaded again. Used to skip large files like recordings and should be used with caution.

Feel free to contribute yourself

✔️ Use this package

✔️ Report any bug

✔️ ​Come up with any new idea or feature

✔️ Create your pull request to this repository