import argparse import random from hashlib import md5 from typing import Optional import requests import paddlehub as hub from paddlehub.module.module import moduleinfo from paddlehub.module.module import runnable from paddlehub.module.module import serving def make_md5(s, encoding='utf-8'): return md5(s.encode(encoding)).hexdigest() @moduleinfo(name="baidu_translate", version="1.0.0", type="text/machine_translation", summary="", author="baidu-nlp", author_email="paddle-dev@baidu.com") class BaiduTranslate: def __init__(self, appid=None, appkey=None): """ :param appid: appid for requesting Baidu translation service. :param appkey: appkey for requesting Baidu translation service. """ # Set your own appid/appkey. if appid == None: self.appid = '20201015000580007' else: self.appid = appid if appkey is None: self.appkey = 'IFJB6jBORFuMmVGDRud1' else: self.appkey = appkey self.url = 'http://api.fanyi.baidu.com/api/trans/vip/translate' def translate(self, query: str, from_lang: Optional[str] = "en", to_lang: Optional[int] = "zh"): """ Create image by text prompts using ErnieVilG model. :param query: Text to be translated. :param from_lang: Source language. :param to_lang: Dst language. Return translated string. """ # Generate salt and sign salt = random.randint(32768, 65536) sign = make_md5(self.appid + query + str(salt) + self.appkey) # Build request headers = {'Content-Type': 'application/x-www-form-urlencoded'} payload = {'appid': self.appid, 'q': query, 'from': from_lang, 'to': to_lang, 'salt': salt, 'sign': sign} # Send request try: r = requests.post(self.url, params=payload, headers=headers) result = r.json() except Exception as e: error_msg = str(e) raise RuntimeError(error_msg) if 'error_code' in result: raise RuntimeError(result['error_msg']) return result['trans_result'][0]['dst'] @runnable def run_cmd(self, argvs): """ Run as a command. """ self.parser = argparse.ArgumentParser(description="Run the {} module.".format(self.name), prog='hub run {}'.format(self.name), usage='%(prog)s', add_help=True) self.arg_input_group = self.parser.add_argument_group(title="Input options", description="Input data. Required") self.add_module_input_arg() args = self.parser.parse_args(argvs) if args.appid is not None and args.appkey is not None: self.appid = args.appid self.appkey = args.appkey result = self.translate(args.query, args.from_lang, args.to_lang) return result @serving def serving_method(self, query, from_lang, to_lang): """ Run as a service. """ return self.translate(query, from_lang, to_lang) def add_module_input_arg(self): """ Add the command input options. """ self.arg_input_group.add_argument('--query', type=str) self.arg_input_group.add_argument('--from_lang', type=str, default='en', help="源语言") self.arg_input_group.add_argument('--to_lang', type=str, default='zh', help="目标语言") self.arg_input_group.add_argument('--appid', type=str, default=None, help="注册得到的个人appid") self.arg_input_group.add_argument('--appkey', type=str, default=None, help="注册得到的个人appkey")