I think that some asynchronous stuff is happening that I cannot figure out
Please tell how can I solve this with async-await if possible.
my code:
const {spawn} = require('child_process')
const getWeatherReport = (location) => {
let dataToSend, result
const python = spawn('python', [__dirname+'\\weathergetter.py', location.toString()])
python.stdout.on('data', (data) => {
console.log('Pipe data from python script ...');
dataToSend = JSON.parse(data.toString().replace(/\'/g, '\"'));
// console.log(dataToSend)
})
python.stderr.on('data', data => {
console.error(`stderr: ${data}`)
})
python.on('close', (code) => {
console.log(`child process close all stdio with code ${code}`);
// console.log(dataToSend)
})
return dataToSend
}
var wea = getWeatherReport("kolkata")
console.log(wea)
Output:
undefined
Pipe data from python script ...
child process close all stdio with code 0
I want the function to return a json object which is assigned to dataToSend. Here I am actually working with a python script.
the python script has no problem. When I console.log(dataToSend) inside python.stdout.on() and python.on() as commented out in the code, the json objects gets printed to the console. But I cannot make the function return the json object.