flask_babelex 使用

# https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-xiii-i18n-and-l10n
# 请在rqlicense-server 目录下操作
# 生成翻译文件模版
# pybabel extract -F babel.cfg -k _l -o messages.pot .
# 生成翻译文件 一般只需要 init 一次
# pybabel init -i messages.pot -d rqlicense/translations -l en
# 更新翻译文件
# pybabel update -i messages.pot -d rqlicense/translations -l en
# 编译
# pybabel compile -d rqlicense/translations

附赠 messages.po 谷歌翻译脚本

#!/usr/bin/python3
# encoding: utf-8 
# @Time    : 2019/12/13 15:25
# @author  : zza
# @Email   : 740713651@qq.com
# @File    : 翻译messages.po文件.py
import re
from tqdm import tqdm
from googletrans import Translator

proxies = {"http": 'http://localhost:9999',
           "https": 'https://localhost:9999'}
translate = Translator(proxies=proxies)


def service(messages_po_path):
    with open(messages_po_path, "r", encoding="utf8") as f:
        messages_body = f.read()
    messages_lines = messages_body.split("\n")
    result_lines = []
    msgid = ""
    msgstr = ""
    for line in tqdm(messages_lines):
        if line.startswith("msgid"):
            msgid = line
        elif line.startswith("msgstr"):
            msgstr = line
            if msgid == 'msgid ""':
                pass
            elif msgstr == 'msgstr ""':
                translate_str = re.findall(r"msgid \"(.*)\"", msgid)[0]
                en_str = translate.translate(translate_str).text
                msgstr = msgstr.replace('""', '"{}"'.format(en_str))
            result_lines.append(msgid)
            result_lines.append(msgstr)
        else:
            result_lines.append(line)
    result_body = "\n".join(result_lines)
    messages_po_to_path = messages_po_path.replace(".po", "bak.po")
    with open(messages_po_to_path, "w", encoding="utf8") as f:
        f.write(result_body)


if __name__ == '__main__':
    messages_po_path = r"D:\PycharmProjects\rqlicense\rqlicense-server\rqlicense\translations\en\LC_MESSAGES\messages.po"
    service(messages_po_path)