nodejs PythonShell，如何在运行函数中导出变量

问题描述

我想导出名为 completed 的变量，以便我可以在 PythonShell.run 函数之外使用它。有什么建议吗？这是我的代码。

python 代码

#test.py
import sys

def hello(a,b):
    print("hello and that's your sum:",a + b)

if __name__ == "__main__":
    a = int(sys.argv[1])
    b = int(sys.argv[2])
    hello(a,b)

javascript 代码

let {PythonShell} = require('python-shell')

let options = {
    mode: 'text',pythonoptions: ['-u'],// get print results in real-time
    args: [1414,2323]
  };

PythonShell.run('./photos/filterPhoto/test.py',options,function (err,results) {
    if (err) throw err;
    const completed = results; 
///results: ["hello and that's your sum: 3737"]
  });

console.log(completed)



Error : ReferenceError: completed is not defined

解决方法

尝试使用 JSPyBridge/pythonia 调用 Python 脚本：

通过 ES6 导入：

import { python } from 'pythonia'
const test = await python("./test.py")
await test.hello(2,3)
python.exit()

或者通过 CommonJS 导入：

const { python } = require('pythonia')
async function main() {
  const test = await python("./test.py")
  await test.hello(2,3)
}
main().then(() => python.exit())