mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-25 22:10:17 +00:00
157 lines
4.8 KiB
Markdown
157 lines
4.8 KiB
Markdown
# PocketPy
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<p>
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<a title="Build" href="https://github.com/blueloveTH/pocketpy/actions/workflows" ><img src="https://github.com/blueloveTH/pocketpy/actions/workflows/main.yml/badge.svg" /></a>
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<a href="https://github.com/blueloveth/pocketpy/blob/main/LICENSE">
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<img alt="GitHub" src="https://img.shields.io/github/license/blueloveth/pocketpy.svg?color=blue"></a>
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<a href="https://github.com/blueloveth/pocketpy/releases">
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<img alt="GitHub release" src="https://img.shields.io/github/release/blueloveth/pocketpy.svg"></a>
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<a title="Pub" href="https://pub.dev/packages/pocketpy" ><img src="https://img.shields.io/pub/v/pocketpy" /></a>
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</p>
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PocketPy是一个轻量级的Python解释器，为嵌入至游戏引擎而设计。
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它包含一个编译器和基于字节码的虚拟机，以及交互式命令窗的实现。所有功能均集成在单个头文件`pocketpy.h`中，不包含外部依赖项，能很方便地嵌入至你的应用。
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你可以 [在浏览器中体验](https://blueloveth.github.io/pocketpy) PocketPy的交互式界面（REPL）。
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## 支持的语法特性
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| 特性 | 示例 | 支持 |
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| ------------ | ------------------------------- | ---- |
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| 分支 | `if..else..elif` | YES |
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| 循环 | `for/while/break/continue` | YES |
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| 函数 | `def f(x,*args,y=1):` | YES |
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| 类与继承 | `class A(B):` | YES |
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| 列表 | `[1, 2, 'a']` | YES |
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| 列表生成式 | `[i for i in range(5)]` | YES |
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| 切片 | `a[1:2], a[:2], a[1:]` | YES |
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| 元组 | `(1, 2, 'a')` | YES |
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| 字典 | `{'a': 1, 'b': 2}` | YES |
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| 格式化字符串 | `f'value is {x}'` | YES |
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| 序列解包 | `a, b = 1, 2` | YES |
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| 异常 | `raise/try..catch` | YES |
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| 动态分发 | `eval()/exec()` | YES |
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| 反射 | `hasattr()/getattr()/setattr()` | YES |
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| 导入模块 | `import/from..import` | YES |
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| 上下文管理器 | `with <expr> as <id>:` | YES |
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| 类型标注 | `def f(a:int, b:float=1)` | YES |
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| 生成器 | `yield i` | YES |
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| 装饰器 | `@cache` | YES |
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## 快速上手
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根据你所使用的语言和平台选择对应的插件。
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#### C/C++
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你可以在 [Github Release](https://github.com/blueloveTH/pocketpy/releases/latest) 页面下载`pocketpy.h`，并加入到你的工程中。请参考[C-API](https://pocketpy.dev/c-api/vm/)相关的说明，对于C++，你也可以使用`VM`类的方法操作虚拟机。
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```cpp
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#include "pocketpy.h"
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int main(){
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// 创建一个虚拟机
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VM* vm = pkpy_new_vm(true);
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// Hello world!
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pkpy_vm_exec(vm, "print('Hello world!')");
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// 构建一个列表
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pkpy_vm_exec(vm, "a = [1, 2, 3]");
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// 对列表进行求和
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char* result = pkpy_vm_eval(vm, "sum(a)");
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printf("%s", result); // 6
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// 释放资源
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pkpy_delete(result);
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pkpy_delete(vm);
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return 0;
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}
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```
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#### Unity Engine
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你可以在Unity资源商店下载PocketPy的C#插件，支持Windows/MacOS/Android/iOS平台。
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https://assetstore.unity.com/packages/slug/241120
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```csharp
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using UnityEngine;
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public class Test01 : MonoBehaviour
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{
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void Start()
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{
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// 创建一个虚拟机
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pkpy.VM vm = new pkpy.VM();
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// 构造一个列表
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vm.exec("a = [1, 2, 3]");
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// 对列表进行求和
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string result = vm.eval("sum(a)");
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Debug.Log(result); // 6
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// 打印变量`a`，并读取标准输出
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vm.exec("print(a)");
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pkpy.PyOutput o = vm.read_output();
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Debug.Log(o.stdout); // [1, 2, 3]
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// 构造一个函数绑定
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vm.bind("builtins", "test", (double x) => x+1);
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Debug.Log(vm.eval("test(3.14)")); // '4.14'
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}
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}
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```
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#### Flutter
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使用下列命令安装pocketpy的[Flutter插件](https://pub.dev/packages/pocketpy)，支持Windows/Android/iOS/Web平台。
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```
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flutter pub add pocketpy
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```
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详细配置请参考 https://pocketpy.dev/getting-started/flutter/
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#### 预编译库
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你可以在 [Github Release](https://github.com/blueloveTH/pocketpy/releases/latest) 页面下载`artifact.zip`，这个压缩包中包含了一套预编译库。结构如下。
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```
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- android/
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- arm64-v8a/
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- libpocketpy.so
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- armeabi-v7a/
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- libpocketpy.so
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- x86_64/
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- libpocketpy.so
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- linux/
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- x86_64/
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- pocketpy
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- pocketpy.so
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- macos/
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- pocketpy.bundle/
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- web/
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- lib/
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- pocketpy.js
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- pocketpy.wasm
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- windows/
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- x86_64/
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- pocketpy.dll
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- pocketpy.exe
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```
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## 参考
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+ [cpython](https://github.com/python/cpython)
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+ [byterun](http://qingyunha.github.io/taotao/)
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## 开源协议
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MIT License |