openadmin-dev 0.2.0

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🚧 Project is under development 🚧

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OpenAdmin is a FastAPI-native library for building admin dashboards. Define pages with typed decorators — no frontend code, no templates, no configuration files. Every page is just a router; every widget is just an endpoint.

Features

• Stats — display single values: counts, totals, booleans, percentages
• Tables — paginated, searchable data grids with per-row actions
• Charts — area, bar, line, and pie charts with labeled series
• Actions — trigger HTTP calls (GET / POST / PUT / PATCH / DELETE) from the UI
• Forms — structured forms that POST/PUT/PATCH/DELETE to your own endpoints
• Markdown — render rich text content on any page
• FastAPI-native — full dependency injection, OpenAPI docs, and router composition out of the box

Installation

pip install openadmin-py
# or with uv
uv add openadmin-py

Quick Start

from fastapi import FastAPI
from openadmin.fastapi import AdminPanel, AdminPage
from openadmin.types import Stat, Table

# Create an admin panel (a FastAPI sub-application)
admin = AdminPanel()

# Define a page
page = AdminPage("Dashboard")

@page.stat("Total Users")
async def total_users() -> Stat:
    return Stat(value=1_024)

@page.table("Recent Users")
async def recent_users() -> Table:
    return Table(data=[
        {"id": 1, "name": "Alice", "role": "admin"},
        {"id": 2, "name": "Bob",   "role": "viewer"},
    ])

# Register the page and mount the panel
admin.include_page(page)

app = FastAPI()
app.mount("/admin", admin)

Usage

Stats

Display a single numeric or boolean value.

from openadmin.types import Stat

@page.stat("Active Sessions")
async def active_sessions() -> Stat:
    return Stat(value=42)

Tables

Paginated tables with optional search. Use the built-in dependency types to receive pagination and search parameters automatically.

from openadmin.fastapi import PaginationParamsDep, SearchQueryDep
from openadmin.types import Table

@page.table("Users")
async def users_table(
    pagination: PaginationParamsDep,
    search: SearchQueryDep,
) -> Table:
    # pagination.page, pagination.per_page
    # search is str | None
    return Table(data=[...])

Row Actions

Attach per-row action buttons by including __actions__ in each row:

from openadmin.types import Action, Table, TableRow

@page.table("Users")
async def users_table() -> Table:
    return Table(data=[
        TableRow(
            id=1,
            name="Alice",
            __actions__=[
                Action(color="danger", method="DELETE", url="/users/1", body=None),
                Action(color="info",   method="POST",   url="/users/1/reset", body=None),
            ],
        )
    ])

Charts

All chart types share the same structure: a data list of dicts and a config that maps series keys to display labels and colors.

from openadmin.types import BarChart, PieChart

@page.bar_chart("Sales by Region", "Total sales per region this quarter")
async def sales_chart() -> BarChart:
    return BarChart(
        data=[
            {"region": "North", "sales": 120},
            {"region": "South", "sales": 95},
        ],
        config={"sales": {"label": "Sales", "color": "#6366f1"}},
    )

@page.pie_chart("User Roles", "Breakdown of user roles")
async def roles_chart() -> PieChart:
    return PieChart(
        data=[
            {"segment": "Admin",  "count": 5},
            {"segment": "Editor", "count": 20},
            {"segment": "Viewer", "count": 75},
        ],
        config={"count": {"label": "Users", "color": "#10b981"}},
    )

Actions

Expose buttons that trigger HTTP requests — useful for one-off operations like cache clearing or triggering background jobs.

@page.action_post("Clear Cache")
async def clear_cache():
    # your logic here
    return {"status": "cleared"}

Forms

Forms collect user input and submit it to your endpoint. Mark a form hidden if it should not appear in the page navigation.

from pydantic import BaseModel

class InvitePayload(BaseModel):
    email: str
    role: str

@page.form_post("Invite User", "Send an invitation email to a new user")
async def invite_user(payload: InvitePayload):
    # send invite...
    return {"invited": payload.email}

Markdown

Render markdown text directly on a page — useful for instructions, changelogs, or documentation sections.

@page.markdown("Release Notes")
async def release_notes() -> str:
    return "## v1.2.0\n- Added dark mode\n- Fixed pagination bug"

Full Example

A real-world page querying a SQLAlchemy database:

from sqlalchemy import func, select
from openadmin.fastapi import AdminPage, PaginationParamsDep, SearchQueryDep
from openadmin.types import Stat, Table, BarChart

page = AdminPage("Library")

@page.stat("Total Books")
async def total_books(session: AsyncSessionDep) -> Stat:
    result = await session.execute(select(func.count()).select_from(Book))
    return Stat(value=result.scalar_one())

@page.table("Books")
async def books_table(
    session: AsyncSessionDep,
    pagination: PaginationParamsDep,
    search: SearchQueryDep,
) -> Table:
    stmt = select(Book).offset(pagination.page * pagination.per_page).limit(pagination.per_page)
    books = (await session.execute(stmt)).scalars().all()
    return Table(data=[{"title": b.title, "year": b.published_year} for b in books])

@page.bar_chart("Books per Genre", "Number of books in each genre")
async def books_per_genre(session: AsyncSessionDep) -> BarChart:
    rows = (await session.execute(
        select(Genre.name, func.count().label("books"))
        .join(BookToGenre).group_by(Genre.id)
    )).all()
    return BarChart(
        data=[{"genre": name, "books": count} for name, count in rows],
        config={"books": {"label": "Books", "color": "#6366f1"}},
    )

See the examples/ directory for a complete runnable application.

make dev/run
# → http://127.0.0.1:8000/docs

API Reference

AdminPanel

A FastAPI subclass. Use include_page(page) to register an AdminPage.

Method	Description
include_page(page, tags=None)	Mount an AdminPage onto the panel

AdminPage

An APIRouter subclass. Each decorator creates a typed GET (or POST/PUT/etc.) endpoint under the page's prefix.

Decorator	HTTP	Response type
@page.stat(name)	GET	Stat
@page.table(name)	GET	Table
@page.markdown(name)	GET	str
@page.area_chart(name, description)	GET	AreaChart
@page.bar_chart(name, description)	GET	BarChart
@page.line_chart(name, description)	GET	LineChart
@page.pie_chart(name, description)	GET	PieChart
@page.action_get/post/put/patch/delete(name)	*	any
@page.form_post/put/patch/delete(name, description)	*	any

Dependencies

Name	Type	Description
PaginationParamsDep	PaginationParams	page and per_page query params
SearchQueryDep	str | None	search query param

Types

Type	Fields
Stat	value: str | bool | int | float
Table	data: list[TableRow | dict]
TableRow	any fields + __actions__: list[Action]
Action	color, method, url, body
AreaChart / BarChart / LineChart / PieChart	data: list[dict], config: dict

Development

# Run the example app
make dev/run

# Run all checks (format, lint, types, tests, security)
make check

# Auto-fix formatting and lint issues
make fix

License

AGPL-3.0-or-later — © 2026 OpenAdmin