HeatMap

HeatMap is a VS Code extension that profiles a selected pytest test and visualizes the resulting hotspots as an editor heatmap.

Current capabilities

• Discover pytest tests from the command palette
• Profile a selected test with cProfile
• Project function-level timing onto source lines
• Color entire lines by heat intensity
• Show inline HUD metrics for cumulative time, total time, and call count
• Toggle the current overlay from a status bar button

Development

npm install
npm run build

Recommended debug entrypoint: run the Run HeatMap Extension launch configuration in VS Code.