app-model
Generic application schema implemented in python
Decision gist · record as of 2026-08-14
Yes, if you are building a desktop or complex application and want a structured, schema-driven way to organize menus, commands, and keybindings. The low install friction, active maintenance, permissive license, and lack of known vulnerabilities make it a safe choice. Be aware it is in Alpha, so expect potential API changes; start with it if you value declarative organization over a mature, battle-tested API.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later.
- Low install friction with a pure-Python wheel and four lightweight runtime dependencies.
- Active maintenance with a recent commit on 2026-08-03, though the project is in Alpha status and has a modest community footprint.
License · maintenance · safety
BSD 3-Clause License (permissive) — BSD 3-Clause License is permissive and places no significant restrictions on use, modification, or redistribution in commercial or private projects.
last release 2025-11-09 (278 days) · last repo commit 2026-08-03 · 28 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 187,917 downloads/mo, #9,956 on PyPI
Alternatives
Verify before relying
pip install app-model
from app_model import Application
app = Application(name="my_app")- Whether the schema supports runtime validation of application structure beyond what Pydantic provides.
- How the package handles complex nested menu hierarchies or dynamic command registration.
- Whether there are built-in integrations with common UI frameworks or if it is schema-only.
What it is and what it does
app-model is a Python library that implements a generic application schema for declaratively organizing application metadata. It provides a structured way to define menus, keybindings, actions, and commands using a model inspired by VS Code's application architecture. The package relies on Pydantic for data validation, in-n-out for dependency injection, psygnal for event signaling, and typing-extensions for enhanced type hints.
The library is designed for developers building desktop or complex applications who need a consistent, schema-driven way to manage application structure and configuration. It is currently in Alpha status, meaning the API may change, but it is actively maintained and supports Python 3.9 through 3.13.
Use it for
- Define and validate menu structures and command hierarchies for a desktop application without hardcoding UI logic.
- Centralize keybinding definitions and action registration in a single declarative schema.
- Build plugin systems where commands and menus are registered dynamically via the schema.
- Organize application metadata in a way that can be serialized, versioned, and shared across tools.
- Implement a command palette or action browser by querying the application schema.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building a desktop or complex application and want a structured, schema-driven way to organize menus, commands, and keybindings.
The low install friction, active maintenance, permissive license, and lack of known vulnerabilities make it a safe choice. Be aware it is in Alpha, so expect potential API changes; start with it if you value declarative organization over a mature, battle-tested API.
Install
app-model on PyPI
Before you install
Low install friction with a pure-Python wheel and four lightweight runtime dependencies. Active maintenance with a recent commit on 2026-08-03, though the project is in Alpha status and has a modest community footprint.
Requires Python 3.9 or later.
License in practice
BSD 3-Clause License is permissive and places no significant restrictions on use, modification, or redistribution in commercial or private projects.
Quickstart
pip install app-model
from app_model import Application
app = Application(name="my_app")Verify before relying
- Whether the schema supports runtime validation of application structure beyond what Pydantic provides.
- How the package handles complex nested menu hierarchies or dynamic command registration.
- Whether there are built-in integrations with common UI frameworks or if it is schema-only.
Package facts
| License | BSD 3-Clause License permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagesin-n-outpsygnalpydantictyping-extensions |
| Maintenance | Actively maintained 278 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 187,917 / month, #9,956 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 3 - AlphaIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.9Topic :: Desktop EnvironmentTopic :: Software DevelopmentTopic :: Software Development :: User Interfaces |
Evidence: app_model-0.5.1-py3-none-any.whl
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