MT PO file with Google translate. Generates PO file that has targets filled with machine translation. Requires googletrans and polib to be installed.

MT_pot.py

import googletrans
import polib
import sys
import shutil
import argparse


parser = argparse.ArgumentParser(description="MT PO file with Google translate. Requires googletrans and polib to be installed.")
parser.add_argument("input_pot", help="input POT file")
parser.add_argument("-t", "--target", help="target language in lowercase ISO 3166-1 alpha-2")
parser.add_argument("-s", "--source", help="source language in lowercase ISO 3166-1 alpha-2", default="en")
args = parser.parse_args()

new_file = f"{args.target}.po"

shutil.copy(args.input_pot, new_file)

translator = googletrans.Translator()

po = polib.pofile(new_file)
po_entries = [p.msgid for p in po.untranslated_entries()]
translations = translator.translate(po_entries, dest=args.target, src=args.source)

mapped_translations = {t.origin: t.text for t in translations}
for entry in po:
    entry.msgstr = mapped_translations[entry.msgid]

po.save(new_file)