pyCaller

Python Invoker in Node Runtime.

Install

npm install @meg-shit/py-caller -g

Usage

#example
py-caller python demo.py


# help
py-caller -h

# py-caller <command> [args...]

# Positionals:
#   command  The command to run                                           [string]

# Options:
#       --args          The arguments to pass to the command [array] [default: []]
#       --watch         Enable Watch the command(files) for changes
#                                                        [boolean] [default: true]
#       --auto-inquire  Enable auto next question (except first)
#                                                        [boolean] [default: true]
#   -h, --help          Show help                                        [boolean]
#   -v, --version       Show version number                              [boolean]

Python script

Reference here

Programmatic usage

Normal Usage

import { PyCaller } from '@meg-shit/py-caller'

const command = 'python'
const args = ['demo.py'] // python script location

const callerOpts = {
  killSignal: '\t--MegEXIT--\t',
  EOL: '\t--MegSeparator--\t',
  AUTO_EOL: true,
  killTimeout: 3000,
}

const options = {
  command,
  args,
  options: callerOpts,
  callback: data => console.log(data),
}

const caller = new PyCaller(options)

caller.runPython(['hello world~'])

Pools Usage

// a.ts
import { PyCallerPool } from '@meg-shit/py-caller'

const pyCallerPool = new PyCallerPool()
const key = 'test'

// b.ts
const command = 'python'
const args = ['demo.py']

const options = {
  command,
  args,
}

pyCallerPool.create(key, options)

// c.ts
pyCallerPool.listen(key, (data) => {
  console.log(data)
  // print "hello world~\n"  after `pyCallerPool.send` called
})

// d.ts
pyCallerPool.send(key, ['hello world~'])

Options Api

command

• command: The command to run
• Type: String

args

• args: The arguments to pass to the command
• Type: Array
• Default: []

options

• options: The options to pass to the caller
• Type: Object （definition）
• Default: { killSignal: '\t--MegEXIT--\t', EOL: '\t--MegSeparator--\t', AUTO_EOL: true, killTimeout: 3000, stdioOption: { stdin: 'pipe', stdout: 'pipe', stderr: 'inherit', } }

callback

• callback: The callback to receive the data
• Type: ((data: string) => void) | ((data: string) => Promise)