gist to install deps

asd.js

var process = require("bldz/process")
var child_process = require("bldz/child_process")
var fs = require("bldz/fs")

var CWD = process.cwd()
var BUILD_DIR = `${CWD}/build-out`

child_process.spawn(`rm -fr ${BUILD_DIR}/* ${BUILD_DIR}/.*`)
child_process.spawn(`cp -r python/. ${BUILD_DIR}/`)

function readRequirements() {
  var reqs = fs.read(`${BUILD_DIR}/requirements.txt`)
  var deps = reqs.split(/\r?\n/)

  return deps
}

function readManifest() {
  var mft = fs.read(`${CWD}/python/manifest.json`)
  var cfg = JSON.parse(mft)

  return cfg
}

function pypiPaths() {
  var cfg = readManifest()

  var links = ""

  cfg.pypiPaths.forEach(function(path) {
    links = links.concat(` --find-links ${path}/ `)
  })

  return links
}

function installDep(pkg) {
  var i = child_process.spawn(`python3 -m pip install \
    ${pkg} \
    -t ${BUILD_DIR}/ \
    --no-deps --no-index \
    ${pypiPaths()}`)

  if (i.exitCode > 0) {
    console.log(`rc=${i.exitCode}
      stdout=${i.stdout}
      stderr=${i.stderr}`)

    throw Error(`error installing dependency: ${pkg}`)
  }
}

readRequirements().forEach(function(pkg) {
  if (!pkg) {
    return
  }

  installDep(pkg)
})

child_process.spawn(`cd ${BUILD_DIR}/ && \
  tar zcvf artifact.tgz *`)