使用python调用百度翻译api进行翻译

要用到的包

Urllib 网络请求Json 解析json数据Hashlib 构造md5加密值Re 正则表达式

代码示例

一个用在汉化项目的代码

通过正则表达式匹配相应要翻译的内容传入百度翻译api进行翻译 api说明 得到翻译结果，构造语句，并写入磁盘

import urllib.requestimport urllib.parseimport jsonimport hashlibimport time, reencoding = 'utf-8' # 编码用utf-8salt = '666' #随机数appid = '百度申请的appid'secret_key = '百度申请的密钥'# 请求失败码REQUEST_FAILED = -1# 正则匹配settings_regex = r"\s*\'.+\'\s*=>\s*.+"def getMD5(content):m2 = hashlib.md5()m2.update(content.encode(encoding))return m2.hexdigest()def getTranslateResponce(url, data):data = urllib.parse.urlencode(data).encode('utf-8')response = urllib.request.urlopen(url, data)return response.read().decode('utf-8')def trans(content):url = 'http://api./api/trans/vip/translate'data = {}data['appid'] = appiddata['salt'] = saltdata['from'] = 'en'data['to'] = 'zh'data['q'] = contentdata['sign'] = getMD5(appid + content + salt + secret_key)html = getTranslateResponce(url, data)target = json.loads(html)while target.get('error_code', REQUEST_FAILED) != REQUEST_FAILED:# print('本次请求失败，原因为：',target['error_msg'])time.sleep(1)html = getTranslateResponce(url, data)target = json.loads(html)# print(target)return target['trans_result'][0]['dst']def translate():file = open('en.php', 'r')output = open('cn.php', 'w')for line in file.readlines():# print(line)if re.match(settings_regex, line):result = re.search(r"\'[^=]+\'", line)# original_text 待翻译文本original_text = result.group()translated_text = trans(original_text).lower()translated_text = translated_text.replace('”', '')translated_text = translated_text.replace('“', '')if translated_text[0] != "'":translated_text = "'" + translated_textif translated_text[-1] != "'":translated_text = translated_text + "'"# print(translated_text)# print(original_text,' => ',translated_text)line = " " + original_text + " => " + translated_text + ",\n"line = line.replace('"', "'")output.write(line)output.flush()print("写入：" + line, end='')file.close()output.close()if __name__ == '__main__':# translate()text = trans('huawei')print(text)