iktakahiro/dddpy
This system is a Python-based web application that implements Domain-Driven Design and Onion Architecture principles to manage a Todo list. It exposes a RESTful API for creating, reading, updating, and deleting todos, with a clear separation between domain logic, use cases, and infrastructure. The application uses FastAPI for the presentation layer, SQLAlchemy with SQLite for data persistence, and a centralized dependency injection system to wire components together.
60.5
Adequate · 4 August 2026
1.4k
lines of production code
Python
primary language
1
bus factor · 4 authors in all
3
measurements over time
How it got here
2021 · Initial project scaffolding and architecture setup
This period marks the initial release and structural setup of a Python application based on Domain-Driven Design and Onion Architecture. The work involved establishing the core domain models, infrastructure layers for SQLite persistence, and the presentation layer using FastAPI and Pydantic. Additionally, the project configuration was modernized with updated dependencies and tooling.
9 changes
2025 · Todo feature implementation
This period focused on implementing the Todo feature across the entire application stack, establishing the domain model, use cases, and SQLite persistence layer. The work introduced a complete CRUD interface for managing todos, supported by a centralized dependency injection system to wire the components together.
4 changes
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About this page
- The description of this project is derived from its own commit history, not from its README.
- The score is its highest published measurement, taken on 4 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
- Measured at commit f9a2cfe542 — the exact code this score is about.
- Scored under rubric rubric-2026.08.19. Score the same commit under that rubric and you get the same number.