Course

PKU Teaching Platform (北大教学网/Blackboard Learn) CLI tool built in Rust. Use this skill when working on the course crate, debugging course commands, adding features to the teaching platform CLI, or when the user mentions 教学网, Blackboard, course downloads, assignment submission, video downloads, or PKU teaching. Also use when dealing with HTML scraping via the scraper crate, Blackboard SSO callback, or multipart file uploads. **NOT for course schedule / 课表 / weekly timetable questions — for those use the treehole skill (treehole course), which is the canonical source and includes 辅修/双学位.** This course crate only deals with the Blackboard teaching platform (assignments, files, recordings, announcements).

Course - 北大教学网 CLI

A CLI client for PKU's Blackboard Learn teaching platform.

Architecture

• Crate location: crates/course/
• Auth flow: IAAA SSO (app_id="blackboard") → Blackboard SSO endpoint callback
• API: HTML scraping with scraper crate (no JSON API available)
• File upload: multipart form via reqwest

Key Source Files

• src/main.rs — Clap CLI with subcommands
• src/commands.rs — Command implementations
• src/api.rs — HTML scraping logic, page parsers
• src/display.rs — Terminal output formatting
• src/client.rs — reqwest client builders

CLI Commands

Command	Alias	Function
login / logout / status		IAAA → Blackboard auth
courses		List enrolled courses (supports --all for all semesters)
info		Course details
content		Browse course content tree
assignments		List assignments with deadlines
assignment		View single assignment
browse		Interactive course content browser
assignment-download	adl	Download assignment attachments
download		Download course files
video-download	vdl	Download course recordings
videos	vls	List available videos
submit		Upload homework files
otp		TOTP 2FA management

Auto-Login for AI Agents

bash

# Check session status
info-auth check

# Auto-login (reads credentials from OS keyring, no password needed)
course login -p

Development Notes

• HTML parsing is the primary data extraction method — no REST API
• Assignment list supports deadline-based sorting
• Video download handles replay/recording URLs
• All user-facing strings in Chinese
• Error handling: anyhow::Result with .context("中文描述")
• Session persisted to ~/.config/info/course/
• Credentials resolved via info_common::credential (keyring → env → interactive)