record and save

import pyaudio
import time
import threading
import wave

CHUNK = 1024  # 每个
FORMAT = pyaudio.paInt16  # 采样位数
CHANNELS = 1  # 声道
RATE = 44100


class Recorder():
    def __init__(self, chunk=1024, channels=1, rate=64000):
        self.CHUNK = chunk
        self.FORMAT = pyaudio.paInt16
        self.CHANNELS = channels
        self.RATE = rate
        self._running = True
        self._frames = []

    def start(self):
        threading._start_new_thread(self.__recording, ())

    def __recording(self):
        self._running = True
        self._frames = []
        p = pyaudio.PyAudio()
        stream = p.open(format=self.FORMAT,
                        channels=self.CHANNELS,
                        rate=self.RATE,
                        input=True,
                        frames_per_buffer=self.CHUNK)
        while (self._running):
            data = stream.read(self.CHUNK)
            self._frames.append(data)

        stream.stop_stream()
        stream.close()
        p.terminate()

    def stop(self):
        self._running = False

    def save(self, filename):

        p = pyaudio.PyAudio()
        if not filename.endswith(".wav"):
            filename = filename + ".wav"
        wf = wave.open(filename, 'wb')
        wf.setnchannels(self.CHANNELS)
        wf.setsampwidth(p.get_sample_size(self.FORMAT))
        wf.setframerate(self.RATE)
        wf.writeframes(b''.join(self._frames))
        wf.close()
        print("Saved")
    def play (self):
        wf = wave.open(r"play_1%d.wav", 'rb')
        p = pyaudio.PyAudio()
        stream = p.open(format= p.get_format_from_width(wf.getsampwidth()),CHANNELS = wf.getnchannels(),
        rate = wf.getframerate(),output = True)
        while True:
            date = wf.readframes(CHUNK)
            if date =='':break
        stream._write(date)
        stream.close
        p.terminate

a = int(input('请输入相应数字开始:'))
if a == 1:
    rec = Recorder()
    begin = time.time()
    print("Start recording")
    rec.start()
    b = int(input('请输入相应数字停止:'))
    if b == 2:
        print("Stop recording")
        rec.stop()
        fina = time.time()
        t = fina - begin
        print('录音时间为%ds' % t)
        rec.save("play_1%d.wav")
        c = int(input('请输入相应的数字播放：'))
      #  if c == 3:
       #     print('play wav')
        #    rec.play()
         #   print('开始播放')