rus07tam
GitHub
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.gitignore
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@ -13,5 +13,6 @@ wheels/
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.direnv
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.mypy_cache
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.python-version
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.pytest_cache
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.vscode
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_autosummary
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680
README.md
680
README.md
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@ -1,29 +1,41 @@
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<div align="center">
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# 🐍 Snakia Framework
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[API Reference](https://ruject.github.io/snakia/)
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•
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[Telegram Chat](https://t.me/RuJect_Community)
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</div>
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**Snakia** is a modern Python framework for creating applications with Entity-Component-System (ECS) architecture, event system, and reactive programming. Built with performance (maybe) and modularity in mind, Snakia provides a clean API for developing complex applications ranging from games to terminal user interfaces.
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## 📋 Table of Contents
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- [🎯 Roadmap & TODO](#-roadmap--todo)
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- [🚀 Installation](#-installation)
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- [🚀 Quick Start](#-quick-start)
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- [🏗️ Architecture](#️-architecture)
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- [⚙️ Core](#️-core)
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- [🎯 ECS System](#-ecs-system)
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- [📡 Event System (ES)](#-event-system-es)
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- [🔌 Plugin System](#-plugin-system)
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- [🎨 TUI System](#-tui-system)
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- [⚡ Reactive Programming (RX)](#-reactive-programming-rx)
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- [🛠️ Utilities](#️-utilities)
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- [🎭 Decorators](#-decorators)
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- [🏷️ Properties](#-properties)
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- [🌐 Platform Abstraction](#-platform-abstraction)
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- [📦 Examples](#-examples)
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- [🤝 Contributing](#-contributing)
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- [🆘 Support](#-support)
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- [📄 License](#-license)
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- [🐍 Snakia Framework](#-snakia-framework)
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- [📋 Table of Contents](#-table-of-contents)
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- [✨ Key Features](#-key-features)
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- [🚀 Installation](#-installation)
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- [Prerequisites](#prerequisites)
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- [Install from PyPi (recommended)](#install-from-pypi-recommended)
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- [Install from Source](#install-from-source)
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- [🎯 Roadmap \& TODO](#-roadmap--todo)
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- [🚀 Quick Start](#-quick-start)
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- [🏗️ Architecture](#️-architecture)
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- [📦 Examples](#-examples)
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- [Health System](#health-system)
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- [TUI Application](#tui-application)
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- [🤝 Contributing](#-contributing)
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- [How to Contribute](#how-to-contribute)
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- [Development Guidelines](#development-guidelines)
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### ✨ Key Features
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## ✨ Key Features
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- 🏗️ **ECS Architecture** - Flexible entity-component-system for scalable game/app logic
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- 📡 **Event System** - Asynchronous event handling with filters and priorities
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@ -52,15 +64,9 @@ pip install snakia
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### Install from Source
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```bash
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# Clone the repository
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git clone https://github.com/RuJect/Snakia.git
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cd Snakia
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# Install with pip
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pip install -e .
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# Or with uv (recommended)
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uv sync
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```
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## 🎯 Roadmap & TODO
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@ -133,616 +139,6 @@ Snakia/
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└── types/ # Special types
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```
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## ⚙️ Core
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### Engine
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The central component of the framework that coordinates all systems:
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```python
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from snakia.core.engine import Engine
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engine = Engine()
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# Systems:
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# - engine.system - ECS system
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# - engine.dispatcher - Event system
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# - engine.loader - Plugin loader
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engine.start() # Start all systems
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engine.stop() # Stop all systems
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engine.update() # Update systems
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```
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## 🎯 ECS System
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Entity-Component-System architecture for creating flexible and performant applications.
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### Component
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Base class for all components:
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```python
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from snakia.core.ecs import Component
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from pydantic import Field
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class PositionComponent(Component):
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x: float = Field(default=0.0)
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y: float = Field(default=0.0)
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class VelocityComponent(Component):
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vx: float = Field(default=0.0)
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vy: float = Field(default=0.0)
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```
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### Processor
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Processors handle components in the system:
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```python
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from snakia.core.ecs import Processor, System
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class MovementProcessor(Processor):
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def process(self, system: System) -> None:
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# Get all entities with Position and Velocity
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for entity, (pos, vel) in system.get_components(
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PositionComponent, VelocityComponent
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):
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pos.x += vel.vx
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pos.y += vel.vy
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```
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### System
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Entity and component management:
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```python
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# Creating an entity with components
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entity = system.create_entity(
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PositionComponent(x=10, y=20),
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VelocityComponent(vx=1, vy=0)
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)
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# Adding a component to an existing entity
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system.add_component(entity, HealthComponent(value=100))
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# Getting entity components
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pos, vel = system.get_components_of_entity(
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entity, PositionComponent, VelocityComponent
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)
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# Checking for components
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if system.has_components(entity, PositionComponent, VelocityComponent):
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print("Entity has position and velocity")
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# Removing a component
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system.remove_component(entity, VelocityComponent)
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# Deleting an entity
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system.delete_entity(entity)
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```
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## 📡 Event System (ES)
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Asynchronous event system with filter and priority support.
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### Event
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Base class for events:
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```python
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from snakia.core.es import Event
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from pydantic import Field
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class PlayerDiedEvent(Event):
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player_id: int = Field()
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cause: str = Field(default="unknown")
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ttl: int = Field(default=10) # Event lifetime
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```
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### Handler
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Event handlers:
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```python
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from snakia.core.es import Handler, Action
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def on_player_died(event: PlayerDiedEvent) -> Action | None:
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print(f"Player {event.player_id} died from {event.cause}")
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return Action.move(1) # Move to next handler
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```
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### Filter
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Event filters:
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```python
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from snakia.core.es import Filter
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def only_important_deaths(event: PlayerDiedEvent) -> bool:
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return event.cause in ["boss", "pvp"]
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# Using a filter
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@dispatcher.on(PlayerDiedEvent, filter=only_important_deaths)
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def handle_important_death(event: PlayerDiedEvent):
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print("Important death occurred!")
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```
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### Dispatcher
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Central event dispatcher:
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```python
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from snakia.core.es import Dispatcher, Subscriber
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dispatcher = Dispatcher()
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# Subscribing to an event
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dispatcher.subscribe(PlayerDiedEvent, Subscriber(
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handler=on_player_died,
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filter=only_important_deaths,
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priority=10
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))
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# Decorator for subscription
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@dispatcher.on(PlayerDiedEvent, priority=5)
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def handle_death(event: PlayerDiedEvent):
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print("Death handled!")
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# Publishing an event
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dispatcher.publish(PlayerDiedEvent(player_id=123, cause="boss"))
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```
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## 🔌 Plugin System
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Modular system for loading and managing plugins.
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### Plugin
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Base class for plugins:
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```python
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from snakia.core.loader import Meta, Plugin, PluginProcessor
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from snakia.types import Version
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class MyProcessor(PluginProcessor):
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def process(self, system):
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# Processor logic
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pass
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class MyPlugin(Plugin, meta=Meta(
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name="my_plugin",
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author="developer",
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version=Version.from_args(1, 0, 0),
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processors=(MyProcessor,),
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subscribers=()
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)):
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def on_load(self):
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print("Plugin loaded!")
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def on_unload(self):
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print("Plugin unloaded!")
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```
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### Meta
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Plugin metadata:
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```python
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from snakia.core.loader import Meta
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from snakia.core.es import Subscriber
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meta = Meta(
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name="plugin_name",
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author="author_name",
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version=Version.from_args(1, 0, 0),
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processors=(Processor1, Processor2),
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subscribers=(
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(EventType, Subscriber(handler, filter, priority)),
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)
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)
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```
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### Loader
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Plugin loader:
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```python
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from snakia.core.loader import Loader
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loader = Loader(engine)
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# Registering a plugin
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loader.register(MyPlugin)
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# Loading all plugins
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loader.load_all()
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# Unloading all plugins
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loader.unload_all()
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```
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## 🎨 TUI System
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System for creating text-based user interfaces.
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### Widget
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Base class for widgets:
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```python
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from snakia.core.tui import Widget, Canvas, CanvasChar
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from snakia.core.rx import Bindable
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class MyWidget(Widget):
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def __init__(self):
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super().__init__()
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self.text = self.state("Hello World")
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self.color = self.state(CanvasChar(fg_color="red"))
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def on_render(self) -> Canvas:
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canvas = Canvas(20, 5)
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canvas.draw_text(0, 0, self.text.value, self.color.value)
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return canvas
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```
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### Canvas
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Drawing canvas:
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```python
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from snakia.core.tui import Canvas, CanvasChar
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canvas = Canvas(80, 24)
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# Drawing text
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canvas.draw_text(10, 5, "Hello", CanvasChar(fg_color="blue"))
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# Drawing rectangle
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canvas.draw_rect(0, 0, 20, 10, CanvasChar("█", fg_color="green"))
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# Filling area
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canvas.draw_filled_rect(5, 5, 10, 5, CanvasChar(" ", bg_color="red"))
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# Lines
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canvas.draw_line_h(0, 0, 20, CanvasChar("-"))
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canvas.draw_line_v(0, 0, 10, CanvasChar("|"))
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```
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### CanvasChar
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Character with attributes:
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|
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```python
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from snakia.core.tui import CanvasChar
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char = CanvasChar(
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char="A",
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fg_color="red", # Text color
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bg_color="blue", # Background color
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bold=True, # Bold
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italic=False, # Italic
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underline=True # Underline
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||||
)
|
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```
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|
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### Renderer
|
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|
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Screen rendering:
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|
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```python
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from snakia.core.tui import RenderContext
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from snakia.core.tui.render import ANSIRenderer
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import sys
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|
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class StdoutTarget:
|
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def write(self, text: str): sys.stdout.write(text)
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def flush(self): sys.stdout.flush()
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|
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renderer = ANSIRenderer(StdoutTarget())
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||||
|
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with RenderContext(renderer) as ctx:
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ctx.render(widget.render())
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```
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||||
|
||||
### Ready-made Widgets
|
||||
|
||||
```python
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from snakia.core.tui.widgets import (
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TextWidget, BoxWidget,
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HorizontalSplitWidget, VerticalSplitWidget
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)
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# Text widget
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text = TextWidget("Hello", CanvasChar(fg_color="red", bold=True))
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|
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# Box widget
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box = BoxWidget(10, 5, CanvasChar("█", fg_color="yellow"))
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|
||||
# Splitters
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h_split = HorizontalSplitWidget([text1, text2], "|")
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v_split = VerticalSplitWidget([h_split, box], "-")
|
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```
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|
||||
## ⚡ Reactive Programming (RX)
|
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|
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Reactive programming system for creating responsive interfaces.
|
||||
|
||||
### Bindable
|
||||
|
||||
Reactive variables:
|
||||
|
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```python
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from snakia.core.rx import Bindable, ValueChanged
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|
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# Creating a reactive variable
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counter = Bindable(0)
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|
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# Subscribing to changes
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def on_change(event: ValueChanged[int]):
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print(f"Counter changed from {event.old_value} to {event.new_value}")
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|
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counter.subscribe(on_change)
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|
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# Changing value
|
||||
counter.set(5) # Will call on_change
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||||
counter(10) # Alternative syntax
|
||||
```
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||||
|
||||
### AsyncBindable
|
||||
|
||||
Asynchronous reactive variables:
|
||||
|
||||
```python
|
||||
from snakia.core.rx import AsyncBindable
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||||
|
||||
async_counter = AsyncBindable(0)
|
||||
|
||||
async def async_handler(event: ValueChanged[int]):
|
||||
print(f"Async counter: {event.new_value}")
|
||||
|
||||
await async_counter.subscribe(async_handler, run_now=True)
|
||||
await async_counter.set(42)
|
||||
```
|
||||
|
||||
### Operators
|
||||
|
||||
```python
|
||||
from snakia.core.rx import map, filter, combine, merge
|
||||
|
||||
# Transformation
|
||||
doubled = map(counter, lambda x: x * 2)
|
||||
|
||||
# Filtering
|
||||
even_only = filter(counter, lambda x: x % 2 == 0)
|
||||
|
||||
# Combining
|
||||
combined = combine(counter, doubled, lambda a, b: a + b)
|
||||
|
||||
# Merging streams
|
||||
merged = merge(counter, async_counter)
|
||||
```
|
||||
|
||||
## 🛠️ Utilities
|
||||
|
||||
### to_async
|
||||
|
||||
Converting synchronous functions to asynchronous:
|
||||
|
||||
```python
|
||||
from snakia.utils import to_async
|
||||
|
||||
def sync_function(x):
|
||||
return x * 2
|
||||
|
||||
async_function = to_async(sync_function)
|
||||
result = await async_function(5)
|
||||
```
|
||||
|
||||
### nolock
|
||||
|
||||
Performance optimization:
|
||||
|
||||
```python
|
||||
from snakia.utils import nolock
|
||||
|
||||
def busy_loop():
|
||||
while running:
|
||||
# Work
|
||||
nolock() # Release GIL
|
||||
```
|
||||
|
||||
### inherit
|
||||
|
||||
Simplified inheritance:
|
||||
|
||||
```python
|
||||
from snakia.utils import inherit
|
||||
|
||||
class Base:
|
||||
def method(self): pass
|
||||
|
||||
class Derived(inherit(Base)):
|
||||
def method(self):
|
||||
super().method()
|
||||
# Additional logic
|
||||
```
|
||||
|
||||
### this
|
||||
|
||||
Reference to current object:
|
||||
|
||||
```python
|
||||
from snakia.utils import this
|
||||
|
||||
def func():
|
||||
return this() # Returns `<function func at ...>`
|
||||
```
|
||||
|
||||
### throw
|
||||
|
||||
Throwing exceptions:
|
||||
|
||||
```python
|
||||
from snakia.utils import throw
|
||||
|
||||
def validate(value):
|
||||
if value < 0:
|
||||
throw(ValueError("Value must be positive"))
|
||||
```
|
||||
|
||||
### frame
|
||||
|
||||
Working with frames:
|
||||
|
||||
```python
|
||||
from snakia.utils import frame
|
||||
|
||||
def process_frame():
|
||||
current_frame = frame()
|
||||
# Process frame
|
||||
```
|
||||
|
||||
## 🎭 Decorators
|
||||
|
||||
### inject_replace
|
||||
|
||||
Method replacement:
|
||||
|
||||
```python
|
||||
from snakia.decorators import inject_replace
|
||||
|
||||
class Original:
|
||||
def method(self): return "original"
|
||||
|
||||
@inject_replace(Original, "method")
|
||||
def new_method(self): return "replaced"
|
||||
```
|
||||
|
||||
### inject_before / inject_after
|
||||
|
||||
Hooks before and after execution:
|
||||
|
||||
```python
|
||||
from snakia.decorators import inject_before, inject_after
|
||||
|
||||
@inject_before(MyClass, "method")
|
||||
def before_hook(self): print("Before method")
|
||||
|
||||
@inject_after(MyClass, "method")
|
||||
def after_hook(self): print("After method")
|
||||
```
|
||||
|
||||
### singleton
|
||||
|
||||
Singleton pattern:
|
||||
|
||||
```python
|
||||
from snakia.decorators import singleton
|
||||
|
||||
@singleton
|
||||
class Database:
|
||||
def __init__(self):
|
||||
self.connection = "connected"
|
||||
```
|
||||
|
||||
### pass_exceptions
|
||||
|
||||
Exception handling:
|
||||
|
||||
```python
|
||||
from snakia.decorators import pass_exceptions
|
||||
|
||||
@pass_exceptions(ValueError, TypeError)
|
||||
def risky_function():
|
||||
# Code that might throw exceptions
|
||||
pass
|
||||
```
|
||||
|
||||
## 🏷️ Properties
|
||||
|
||||
### readonly
|
||||
|
||||
Read-only property:
|
||||
|
||||
```python
|
||||
from snakia.property import readonly
|
||||
|
||||
|
||||
class Currency:
|
||||
@readonly
|
||||
def rate(self) -> int:
|
||||
return 100
|
||||
|
||||
|
||||
currency = Currency()
|
||||
currency.rate = 200
|
||||
print(currency.rate) # Output: 100
|
||||
```
|
||||
|
||||
### initonly
|
||||
|
||||
Initialization-only property:
|
||||
|
||||
```python
|
||||
from snakia.property import initonly
|
||||
|
||||
|
||||
class Person:
|
||||
name = initonly[str]("name")
|
||||
|
||||
|
||||
bob = Person()
|
||||
bob.name = "Bob"
|
||||
print(bob.name) # Output: "Bob"
|
||||
bob.name = "not bob"
|
||||
print(bob.name) # Output: "Bob"
|
||||
```
|
||||
|
||||
### 🏛️ classproperty
|
||||
|
||||
Class property:
|
||||
|
||||
```python
|
||||
from snakia.property import classproperty
|
||||
|
||||
class MyClass:
|
||||
@classproperty
|
||||
def class_value(cls):
|
||||
return "class_value"
|
||||
```
|
||||
|
||||
## 🌐 Platform Abstraction
|
||||
|
||||
### 🖥️ PlatformOS
|
||||
|
||||
Operating system abstraction:
|
||||
|
||||
```python
|
||||
from snakia.platform import PlatformOS, OS
|
||||
|
||||
# Detecting current OS
|
||||
current_os = OS.current()
|
||||
|
||||
if current_os == PlatformOS.LINUX:
|
||||
print("Running on Linux")
|
||||
elif current_os == PlatformOS.ANDROID:
|
||||
print("Running on Android")
|
||||
```
|
||||
|
||||
### 🏗️ PlatformLayer
|
||||
|
||||
Platform layers:
|
||||
|
||||
```python
|
||||
from snakia.platform import LinuxLayer, AndroidLayer
|
||||
|
||||
# Linux layer
|
||||
linux_layer = LinuxLayer()
|
||||
|
||||
# Android layer
|
||||
android_layer = AndroidLayer()
|
||||
```
|
||||
|
||||
## 📦 Examples
|
||||
|
||||
### Health System
|
||||
|
|
@ -856,16 +252,4 @@ We welcome contributions to Snakia development! Whether you're fixing bugs, addi
|
|||
- Add type hints to all new code
|
||||
- Write clear commit messages
|
||||
- Update documentation for new features
|
||||
- Test your changes thoroughly
|
||||
|
||||
## 🆘 Support
|
||||
|
||||
Need help? We're here to assist you!
|
||||
|
||||
- 🐛 **Bug Reports** - [GitHub Issues](https://github.com/RuJect/Snakia/issues)
|
||||
- 💬 **Community Chat** - [RuJect Community Telegram](https://t.me/RuJect_Community)
|
||||
- 📧 **Direct Contact** - mailto:rus07tam.uwu@gmail.com
|
||||
|
||||
## 📄 License
|
||||
|
||||
See the `LICENSE` file for details.
|
||||
- Test your changes thoroughly
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
[project]
|
||||
name = "snakia"
|
||||
version = "0.4.0"
|
||||
version = "0.4.1"
|
||||
description = "Modern python framework"
|
||||
readme = "README.md"
|
||||
authors = [
|
||||
|
|
@ -37,4 +37,5 @@ init-hook = "import sys; sys.path.append('.venv/lib/python3.12/site-packages')"
|
|||
disable = ["C0114", "C0115", "C0116", "R0801"]
|
||||
max-args = 8
|
||||
max-positional-arguments = 7
|
||||
min-public-methods = 1
|
||||
min-public-methods = 1
|
||||
fail-on = "error"
|
||||
|
|
@ -4,6 +4,7 @@ from .bindable import Bindable
|
|||
from .chain import chain
|
||||
from .combine import combine
|
||||
from .concat import concat
|
||||
from .cond import cond
|
||||
from .const import const
|
||||
from .filter import filter # noqa: W0622 # pylint: disable=W0622
|
||||
from .map import map # noqa: W0622 # pylint: disable=W0622
|
||||
|
|
@ -18,6 +19,7 @@ __all__ = [
|
|||
"chain",
|
||||
"combine",
|
||||
"concat",
|
||||
"cond",
|
||||
"const",
|
||||
"filter",
|
||||
"map",
|
||||
|
|
|
|||
|
|
@ -12,10 +12,6 @@ class AsyncBindable[T: Any](BaseBindable[T]):
|
|||
super().__init__(default_value)
|
||||
self.__subscribers: list[BindableSubscriber[T, Awaitable[Any]]] = []
|
||||
|
||||
@property
|
||||
def value(self) -> T:
|
||||
return self.__value
|
||||
|
||||
@property
|
||||
def subscribers(
|
||||
self,
|
||||
|
|
@ -25,8 +21,8 @@ class AsyncBindable[T: Any](BaseBindable[T]):
|
|||
|
||||
async def set(self, value: T) -> None:
|
||||
"""Set the value."""
|
||||
e = ValueChanged(self.__value, value)
|
||||
self.__value = value
|
||||
e = ValueChanged(self.value, value)
|
||||
self.set_silent(value)
|
||||
for subscriber in self.__subscribers:
|
||||
await subscriber(e)
|
||||
|
||||
|
|
@ -58,7 +54,7 @@ class AsyncBindable[T: Any](BaseBindable[T]):
|
|||
|
||||
async def _run() -> None:
|
||||
await subscriber(
|
||||
ValueChanged(self.__default_value, self.__value)
|
||||
ValueChanged(self.__default_value, self.value)
|
||||
)
|
||||
|
||||
return _run()
|
||||
|
|
@ -96,7 +92,7 @@ class AsyncBindable[T: Any](BaseBindable[T]):
|
|||
|
||||
async def _run() -> None:
|
||||
await subscriber(
|
||||
ValueChanged(self.__default_value, self.__value)
|
||||
ValueChanged(self.__default_value, self.value)
|
||||
)
|
||||
|
||||
return _run()
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@ class Bindable[T: Any](BaseBindable[T]):
|
|||
|
||||
def set(self, value: T) -> None:
|
||||
"""Set the value."""
|
||||
e = ValueChanged(self.__value, value)
|
||||
e = ValueChanged(self.value, value)
|
||||
self.set_silent(value)
|
||||
for subscriber in self.__subscribers:
|
||||
subscriber(e)
|
||||
|
|
|
|||
13
src/snakia/core/rx/cond.py
Normal file
13
src/snakia/core/rx/cond.py
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
from typing import Callable
|
||||
|
||||
|
||||
def cond[**P, T, F](
|
||||
condition: Callable[P, bool],
|
||||
if_true: Callable[P, T],
|
||||
if_false: Callable[P, F],
|
||||
) -> Callable[P, T | F]:
|
||||
return lambda *args, **kw: (
|
||||
if_true(*args, **kw)
|
||||
if condition(*args, **kw)
|
||||
else if_false(*args, **kw)
|
||||
)
|
||||
|
|
@ -36,14 +36,24 @@ class Field[T: Any](ABC, PrivProperty[T]):
|
|||
@classmethod
|
||||
def custom[R](
|
||||
cls: type[Field[Any]],
|
||||
serialize: Callable[[R], str],
|
||||
deserialize: Callable[[str], R],
|
||||
serialize: Callable[[Field[R], R], bytes],
|
||||
deserialize: Callable[[Field[R], bytes], R],
|
||||
) -> type[Field[R]]:
|
||||
return inherit(
|
||||
cls, {"serialize": serialize, "deserialize": deserialize}
|
||||
)
|
||||
|
||||
@final
|
||||
@staticmethod
|
||||
def get_fields(class_: type[Any] | Any, /) -> dict[str, Field[Any]]:
|
||||
if not isinstance(class_, type):
|
||||
class_ = class_.__class__
|
||||
return {
|
||||
k: v for k, v in class_.__dict__.items() if isinstance(v, Field)
|
||||
}
|
||||
|
||||
if TYPE_CHECKING:
|
||||
|
||||
@final
|
||||
@classmethod
|
||||
def type(cls) -> type[T]: ...
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
from .cell_property import CellProperty
|
||||
from .classproperty import ClassProperty
|
||||
from .classproperty import ClassProperty, classproperty
|
||||
from .hook_property import HookProperty
|
||||
from .initonly import Initonly, initonly
|
||||
from .priv_property import PrivProperty
|
||||
|
|
@ -9,6 +9,7 @@ from .readonly import Readonly, readonly
|
|||
__all__ = [
|
||||
"CellProperty",
|
||||
"ClassProperty",
|
||||
"classproperty",
|
||||
"HookProperty",
|
||||
"Initonly",
|
||||
"initonly",
|
||||
|
|
|
|||
|
|
@ -48,7 +48,7 @@ class ClassProperty[T]:
|
|||
|
||||
|
||||
def classproperty[T](
|
||||
fget: Callable[[Any], T] = empty.func,
|
||||
fget: Callable[[Any], T],
|
||||
fset: Callable[[Any, T], None] = empty.func,
|
||||
fdel: Callable[[Any], None] = empty.func,
|
||||
) -> ClassProperty[T]:
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ class PrivProperty[T]:
|
|||
def __get__(self, instance: Any, owner: type | None = None, /) -> T:
|
||||
if self.__default_value:
|
||||
return getattr(instance, self.__name, self.__default_value)
|
||||
return getattr(instance, self.__name)
|
||||
return getattr(instance, self.__name) # type: ignore
|
||||
|
||||
def __set__(self, instance: Any, value: T, /) -> None:
|
||||
setattr(instance, self.__name, value)
|
||||
|
|
|
|||
|
|
@ -5,7 +5,12 @@ from snakia.types import empty
|
|||
|
||||
class Property[T]:
|
||||
"""
|
||||
A property that can be set, get, and deleted."""
|
||||
A property that can be set, get, and deleted.
|
||||
"""
|
||||
|
||||
__slots__ = "__fget", "__fset", "__fdel", "__name"
|
||||
|
||||
__name: str
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
|
|
@ -17,6 +22,9 @@ class Property[T]:
|
|||
self.__fset = fset
|
||||
self.__fdel = fdel
|
||||
|
||||
def __set_name__(self, owner: type, name: str) -> None:
|
||||
self.__name = name
|
||||
|
||||
def __get__(self, instance: Any, owner: type | None = None, /) -> T:
|
||||
return self.__fget(instance)
|
||||
|
||||
|
|
@ -40,3 +48,7 @@ class Property[T]:
|
|||
"""Descriptor deleter."""
|
||||
self.__fdel = fdel
|
||||
return self
|
||||
|
||||
@property
|
||||
def name(self) -> str:
|
||||
return self.__name
|
||||
|
|
|
|||
|
|
@ -1,27 +1,32 @@
|
|||
from typing import Any, Callable
|
||||
|
||||
from snakia.utils import throw
|
||||
|
||||
class Readonly[T]:
|
||||
from .property import Property
|
||||
|
||||
|
||||
class Readonly[T](Property[T]):
|
||||
"""
|
||||
Readonly property.
|
||||
"""
|
||||
|
||||
__slots__ = ("__fget",)
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
fget: Callable[[Any], T],
|
||||
*,
|
||||
strict: bool = False,
|
||||
) -> None:
|
||||
self.__fget = fget
|
||||
|
||||
def __get__(self, instance: Any, owner: type | None = None, /) -> T:
|
||||
return self.__fget(instance)
|
||||
|
||||
def __set__(self, instance: Any, value: T, /) -> None:
|
||||
pass
|
||||
super().__init__(
|
||||
fget=fget,
|
||||
fset=(
|
||||
(lambda *_: throw(TypeError("Cannot set readonly property")))
|
||||
if strict
|
||||
else lambda *_: None
|
||||
),
|
||||
)
|
||||
|
||||
|
||||
def readonly[T](value: T) -> Readonly[T]:
|
||||
def readonly[T](value: T, *, strict: bool = False) -> Readonly[T]:
|
||||
"""Create a readonly property with the given value.
|
||||
|
||||
Args:
|
||||
|
|
@ -30,4 +35,4 @@ def readonly[T](value: T) -> Readonly[T]:
|
|||
Returns:
|
||||
Readonly[T]: The readonly property.
|
||||
"""
|
||||
return Readonly(lambda _: value)
|
||||
return Readonly(lambda _: value, strict=strict)
|
||||
|
|
|
|||
2
uv.lock
generated
2
uv.lock
generated
|
|
@ -104,7 +104,7 @@ wheels = [
|
|||
|
||||
[[package]]
|
||||
name = "snakia"
|
||||
version = "0.4.0"
|
||||
version = "0.4.1"
|
||||
source = { editable = "." }
|
||||
dependencies = [
|
||||
{ name = "networkx" },
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue