import pyaudio
import wave
from pynput import keyboard

FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100
CHUNK = 1024
RECORD_SECONDS = 10
WAVE_OUTPUT_FILENAME = "2.wav"

frames = []

def on_press(key):
    #if key == keyboard.Key.esc:
    #    recording = False
    #    return False
    if key == keyboard.KeyCode.from_char('a'):
        print("Recording audio...")
        # Start recording
        global stream, audio
        audio = pyaudio.PyAudio()
        stream = audio.open(format=FORMAT, channels=CHANNELS,
                            rate=RATE, input=True,
                            frames_per_buffer=CHUNK)
        for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
            data = stream.read(CHUNK)
            frames.append(data)

        # Stop recording
        stream.stop_stream()
        stream.close()
        audio.terminate()
        print("Finished recording audio.")
        # Save recorded audio data to a .wav file
        wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
        wf.setnchannels(CHANNELS)
        wf.setsampwidth(audio.get_sample_size(FORMAT))
        wf.setframerate(RATE)
        wf.writeframes(b''.join(frames))
        wf.close()

def on_release(key):
    if key == keyboard.Key.esc:
        return False

# Start the listener
with keyboard.Listener(on_press=on_press, on_release=on_release) as listener:
    listener.join()