zulip/tools/check-frontend-i18n

#!/usr/bin/env python3
from typing import List

# check for the venv
from lib import sanity_check

sanity_check.check_venv(__file__)

import argparse
import json
import os
import subprocess
import sys

sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from scripts.lib.zulip_tools import ENDC, FAIL, WARNING


def find_handlebars(translatable_strings: List[str]) -> List[str]:
    errored = []
    for string in translatable_strings:
        if '{{' in string:
            errored.append(string)
    return errored


if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--no-generate', action='store_true', help="Don't run makemessages command."
    )
    args = parser.parse_args()

    if not args.no_generate:
        subprocess.call(['./manage.py', 'makemessages', '--locale', 'en'], stderr=subprocess.STDOUT)

    with open('locale/en/translations.json') as f:
        data = json.load(f)

    found = find_handlebars(list(data.keys()))
    if not found:
        sys.exit(0)

    print(WARNING + "Translation strings contain handlebars:" + ENDC)
    print('\n'.join(found))

    print(
        WARNING
        + "See https://zulip.readthedocs.io/en/latest/translating/translating.html#frontend-translations "
        "on how you can insert variables in the frontend translatable "
        "strings." + ENDC
    )
    print(FAIL + "Failed!" + ENDC)
    sys.exit(1)