What's new in 0.6

In spinagram 0.6 you can build a diagram with the mouse. The engine behind it is now written in Rust, ships in the wheel, and runs the same way on the server, in the CLI and in the browser.

The source is examples/showcase/editable_platform.yaml. It is laid out by hand on a grid, so the canvas can edit every node, zone and group.

A canvas editor for YAML diagramsCopy Anchor Link

In spinagram serve, press Canvas on a hand-placed YAML diagram:

• Toolbar: select, pan, box, text, zone and connect tools, plus group, ungroup, delete, undo and redo. It docks on the left or at the bottom.
• Palette: icons from every downloaded pack, with typo-tolerant search. Items are grouped into Basics, Zones, Shapes and one category per pack.
• Drag and drop: move nodes and zones, drop nodes into zones, rows and columns, and nudge with the arrow keys. Edges follow while you drag.
• Arrows: select one, relabel it, drag an end onto another node to reconnect it, or delete it.
• Elements panel: the diagram as a tree, with a properties form for the selection and quick actions: duplicate, add connection, group, move to zone, reverse.

Every edit is a minimal patch of the YAML file, so comments and untouched entries stay as they were. Undo covers 50 steps. Edits update the picture in place, so icons and fonts never reload. See Canvas editor.

Provider zone stylesCopy Anchor Link

Zones can follow each cloud provider's diagramming style: its outline colour, dashed or solid, and its group icon in the corner. There are 25 styles:

• AWS: Cloud, Account, Region, VPC, Availability Zone, public and private subnets, Auto Scaling group and more.
• Azure: management group, subscription, resource group, VNet, subnet.
• Google Cloud: cloud, project, region, zone, VPC, subnet.
• Kubernetes: cluster, namespace.

Write color: aws-vpc on a zone, or drop it from the palette. See Provider zone styles.

The Rust engineCopy Anchor Link

• Text and routing (text measuring and fitting, edge routing), SVG and PNG writing and the CSS cascade now run in Rust. The output is byte-identical to the Python engine on every example. SPINAGRAM_RUST=0 selects the pure-Python engine.
• The wheels for Linux (glibc and musl), macOS and Windows, on x86_64 and arm64, include the engine. Elsewhere pip builds it from source with a Rust toolchain.
• PNG renders through resvg, so it no longer needs Playwright and Chromium.

An edit APICopy Anchor Link

spinagram.edit.apply_ops applies the canvas's edit operations to YAML text from Python: move, resize, rename, delete, add, connect, reparent, group, set properties, duplicate, reconnect, reverse. Batches apply completely or not at all, and only the edited bytes change. Scripts and AI agents can now change a diagram without rewriting it. See Edit API.