python实现录音功能

# -*- coding:utf-8 -*-
# /usr/bin/python
'''
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   File Name   :  录音
   Description :  AIM: 录音
                  Functions: 1. mac os 环境搭建
                             2. 录音code
   Envs        :  python == 3.5
                  $ brew install portaudio
                  $ pip install pyaudio -i https://pypi.douban.com/simple
   Author      :  errol
   Date        :  2020/5/11  15:33
   CodeStyle   :  规范,简洁,易懂,可阅读,可维护,可移植!
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   Change Activity:
          2020/5/11 : 新建
-------------------------------------------------
'''

from pyaudio import PyAudio, paInt16
import numpy as np
from datetime import datetime
import wave

class recoder: