Download udemy courses in batch.

Usage

A cross-platform utility written in Rust to download courses from udemy for personal offline use.

Features

• List down course contents and video resolution (option: info).
• Download specific chapter in a course (option: -c / --chapter).
• Download specific lecture in a chapter (option: -l / --lecture).
• Automatically pickup the best resolution for video download.
• Download lecture(s) requested resolution (option: -q / --quality).
• Download course to user requested path (option: -o / --output).
• Mark complete chapters or individual lectures as complete.
• Authentication token (option: -t / --access-token).

Authentication Details

Authentication is only supported via the usage of an Access Token. The following paragraph details how to obtain such a token.

Extracting your Access Token

• Open developer tools on your browser and access the Network Tab.
• Login to your udemy account.
• Check the network tab, you can filter on XHR requests to make the following easier.
• Right click on request links to udemy.com/api-2.0/. Check the request cookies and find one named access_token. Copy its value. This is your access token.

Example Usage

Obtain information from a course

udemy-dl-rs -u COURSE_URL -t YourAccessToken info

Download a course to current diretory

udemy-dl-rs -u COURSE_URL -t YourAccessToken download

Download a course to a specific directory

udemy-dl-rs -u COURSE_URL -t YourAccessToken download -o ~/Downloads

Download a course to a specific directory with a specific quality

udemy-dl-rs -u COURSE_URL -t YourAccessToken download -o ~/Downloads -q 720

Download a specific chapter

udemy-dl-rs -u COURSE_URL -t YourAccessToken download -o ~/Downloads -c 1

Download a specific lecture from a chapter

udemy-dl-rs -u COURSE_URL -t YourAccessToken download -o ~/Downloads -c 8 -l 77

Note: The lecture number is it's index in the overall course. Use info to know more.

Command Line Usage

General Usage

$ udemy-dl-rs --help
Udemy Downloader 0.10.0
Bernard Niset


USAGE:
    udemy-dl-rs [FLAGS] --access-token <TOKEN> --url <URL> <SUBCOMMAND>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information
    -v               Sets the level of verbosity

OPTIONS:
    -t, --access-token <TOKEN>    Access token to authenticate to udemy
    -u, --url <URL>               URL of the course to download

SUBCOMMANDS:
    complete    Mark courses as completed
    download    Download course content
    help        Prints this message or the help of the given subcommand(s)
    info        Query course information

Build: 814815c - 2019-09-07

Subcommand Usage - info

$ udemy-dl-rs info --help
udemy-dl-rs-info
Query course information

USAGE:
    udemy-dl-rs --password <PASSWORD> --url <URL> --username <USERNAME> info

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

Subcommand Usage - download

$ udemy-dl-rs download --help
udemy-dl-rs-download
Download course content

USAGE:
    udemy-dl-rs --password <PASSWORD> --url <URL> --username <USERNAME> download [FLAGS] [OPTIONS]

FLAGS:
    -d, --dry-run    Dry run, show what's would be done but don't download anything.
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
    -c, --chapter <CHAPTER>      Restrict downloads to a specific chapter.
    -l, --lecture <LECTURE>      Restrict download to a specific lecture.
    -o, --output <OUTPUT_DIR>    Directory where to output downloaded files (default to .). [default: .]
    -q, --quality <QUALITY>      Download specific video quality.

Subcommand Usage - complete

$ udemy-dl-rs complte --help
udemy-dl-rs-complete
Mark courses as completed

USAGE:
    udemy-dl-rs --password <PASSWORD> --url <URL> --username <USERNAME> complete [OPTIONS] --chapter <CHAPTER>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
    -c, --chapter <CHAPTER>    Restrict marking a specific chapter.
    -l, --lecture <LECTURE>    Restrict marking a specific lecture.

To do

• Resume capability for a course video.
• Supports organization and individual udemy users both.
• Download subtitles for a video.
• Download chapter(s) by providing range in a course.
• Download lecture(s) by providing range in a chapter.

Development Guidelines

Unit tests

Install cargo watch

cargo install cargo-watch

Run unit tests. Unit tests need to run single threaded.

cargo test -- --test-threads=1

Run unit tests with watch

cargo watch -w src -x "test -- --test-threads=1"

Run info command

cargo run -- -u https://www.udemy.com/css-the-complete-guide-incl-flexbox-grid-sass -t YourAccessToken info

Run download command

cargo run -- -u https://www.udemy.com/css-the-complete-guide-incl-flexbox-grid-sass -t YourAccessToken download -c 1

Run download command to a location ~/Downloads

cargo run -- -u https://www.udemy.com/css-the-complete-guide-incl-flexbox-grid-sass -t YourAccessToken download -c 1 -o ~/Downloads