ArchView

See your codebase. Understand it. Then change it.

ArchView gives you a live, interactive map of any Python project's architecture — right in your browser. It parses real Python (via AST, not regex), watches for changes, and updates the graph in real time.

Built for developers who vibe-code and need to stay oriented, or anyone inheriting a codebase they didn't write.

Why

You're 200 files deep in someone else's project. Or you're building fast and your own code is getting tangled. You need to see the structure — what depends on what, where the entry points are, which modules are isolated.

ArchView shows you all of that in seconds, and keeps updating as you code.

Install

pip install archview

Available on PyPI. Pure Python, works anywhere with Python 3.9+.

Usage

archview /path/to/your/project

Open http://localhost:9090 — that's it.

# Custom port and refresh interval
archview /path/to/project --port 8080 --interval 5

What you see

Color	Meaning
Green	Entry points — modules that import but aren't imported
Blue	Connectors — modules that both import and are imported
Red	Utilities — leaf modules only imported by others
Gray	Isolated — no import relationships
Red (bright)	Syntax errors — files that failed to parse

Features

Live refresh

Edit your code, save — the graph updates automatically. No restart needed.

Interactive exploration

• Hover a node to see its docstring, type, and exported symbols
• Click a node to highlight its direct dependencies
• Double-click to open the file in VS Code
• Drag nodes to rearrange the layout
• Click folders to collapse/expand entire packages

Dependency highlighting

Hover over an edge to see exactly which symbols are imported. Click a node and its entire dependency chain lights up — everything else fades.

Export

• PNG — screenshot the current view
• Save — persist node positions (restored on next launch)

Ignore patterns

# Exclude directories from analysis
archview ignore tests __pycache__ venv

# List current patterns
archview ignore --list

# Remove a pattern
archview ignore --remove tests

How it works

1. Collects all .py files (git-aware, respects .archviewignore)
2. Parses each file's AST to extract imports, functions, classes
3. Builds a dependency graph with classified nodes
4. Renders it with Cytoscape.js + Dagre layout
5. Watches for changes and re-generates every N seconds

Zero dependencies — pure Python stdlib. The frontend ships bundled.

Example

Try it on the example project (hosted on GitHub):

git clone https://github.com/lm17918/archview.git archview-demo
cd archview-demo
pip install archview
archview example_project

License

MIT