More

tank-34 · 2026-01-31T01:30:55 1769823055

repo: https://github.com/allmonday/fastapi-voyager

tank-34 · 2026-01-31T01:28:38 1769822918

declare the relationship:

class Story(BaseModel, BaseEntity):

    __pydantic_resolve_relationships__ = [
        Relationship( field='id', target_kls=list[task_schema.Task], loader=task_loader.story_to_task_loader),
        Relationship( field='owner_id', target_kls=user_schema.User, loader=user_loader.user_batch_loader)
    ]

    id: int
    name: str
    owner_id: int
    sprint_id: int

    model_config = ConfigDict(from_attributes=True)

and consume it

class Story1(DefineSubset):

    __subset__ = (BaseStory, ('id', 'name', 'owner_id'))

    tasks: Annotated[list[Task1], LoadBy('id')] = []
    assignee: Annotated[Optional[BaseUser], LoadBy('owner_id')] = None

    related_users: list[BaseUser] = []
    def post_related_users(self, collector=Collector(alias='related_users')):
        return collector.values()

tank-34 · 2026-01-20T22:13:07 1768947187

In the new version, an ER model at the application layer was designed to better describe the business model and manage the DataLoader. Developers can focus more on describing the relationships between data without worrying prematurely about databases or other query details.

tank-34 · 2026-01-11T08:05:40 1768118740

Clean Architecture Practice with Pydantic-Resolve and FastAPI-Voyager

tank-34 · 2025-12-11T14:15:28 1765462528

A solid tool for building fixed graph-like data.

Easily construct complex business data by defining ER diagrams, combining data, and applying various data adjustment methods

Minimal cognitive load

Extremely developer-friendly for those with GraphQL experience, helping improve the code quality and maintainability of API integrations

When combined with fastapi-voyager, it allows visualizing the constructed code graphically

tank-34 · 2025-12-10T01:14:33 1765329273

toggle the 'ER diagram' and show the full picture in graph

application level ER diagram can provide much more information for business entities and hide unnecesary middle tables.

definition: https://github.com/allmonday/composition-oriented-developmen...

fastapi-voyager itself is also improved a lot for better experiences.

tank-34 · 2025-12-03T14:58:07 1764773887

https://github.com/allmonday/fastapi-voyager

Visualize your FastAPI endpoints, and explore them interactively.

- better search experience - better graph interaction - persistent page in query string

tank-34 · 2025-11-09T15:57:13 1762703833

if you double click route / pydantic class and click 'view in vscode', it will lead you to the file in github

and in local env, you can 'really' open it in vscode.

tank-34 · 2025-11-09T15:55:09 1762703709

thanks for suggestion. this project is still in early stage, I've listed some ux related Todos but not yet finished. TBH, i dont expected it to be noticed in hacker's news LOL

tank-34 · 2025-11-09T13:07:19 1762693639

heere is the repo: https://github.com/allmonday/fastapi-voyager