Course

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name: course description: "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)." version: 2.0.0

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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

# 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)