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# -*- coding: utf-8 -*-
"""
Author: chazzjimel
Email: chazzjimel@gmail.com
wechat:cheung-z-x
Description:
ali voice service
"""
import json
import os
import re
import time
from bridge.reply import Reply, ReplyType
from common.log import logger
from voice.voice import Voice
from voice.ali.ali_api import AliyunTokenGenerator
from voice.ali.ali_api import text_to_speech_aliyun
from config import conf
class AliVoice(Voice):
def __init__(self):
"""
初始化AliVoice类,从配置文件加载必要的配置。
"""
try:
curdir = os.path.dirname(__file__)
config_path = os.path.join(curdir, "config.json")
with open(config_path, "r") as fr:
config = json.load(fr)
self.token = None
self.token_expire_time = 0
# 默认复用阿里云千问的 access_key 和 access_secret
self.api_url = config.get("api_url")
self.app_key = config.get("app_key")
self.access_key_id = conf().get("qwen_access_key_id") or config.get("access_key_id")
self.access_key_secret = conf().get("qwen_access_key_secret") or config.get("access_key_secret")
except Exception as e:
logger.warn("AliVoice init failed: %s, ignore " % e)
def textToVoice(self, text):
"""
将文本转换为语音文件。
:param text: 要转换的文本。
:return: 返回一个Reply对象,其中包含转换得到的语音文件或错误信息。
"""
# 清除文本中的非中文、非英文和非基本字符
text = re.sub(r'[^\u4e00-\u9fa5\u3040-\u30FF\uAC00-\uD7AFa-zA-Z0-9'
r'äöüÄÖÜáéíóúÁÉÍÓÚàèìòùÀÈÌÒÙâêîôûÂÊÎÔÛçÇñÑ,。!?,.]', '', text)
# 提取有效的token
token_id = self.get_valid_token()
fileName = text_to_speech_aliyun(self.api_url, text, self.app_key, token_id)
if fileName:
logger.info("[Ali] textToVoice text={} voice file name={}".format(text, fileName))
reply = Reply(ReplyType.VOICE, fileName)
else:
reply = Reply(ReplyType.ERROR, "抱歉,语音合成失败")
return reply
def get_valid_token(self):
"""
获取有效的阿里云token。
:return: 返回有效的token字符串。
"""
current_time = time.time()
if self.token is None or current_time >= self.token_expire_time:
get_token = AliyunTokenGenerator(self.access_key_id, self.access_key_secret)
token_str = get_token.get_token()
token_data = json.loads(token_str)
self.token = token_data["Token"]["Id"]
# 将过期时间减少一小段时间(例如5分钟),以避免在边界条件下的过期
self.token_expire_time = token_data["Token"]["ExpireTime"] - 300
logger.debug(f"新获取的阿里云token:{self.token}")
else:
logger.debug("使用缓存的token")
return self.token
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