brew install portaudio

pip install pyaudio

# brew install portaudio
# pip install pyaudio

import pyaudio
import wave

CHUNK = 1024
WIDTH = 2
CHANNELS = 2
RATE = 44100
RECORD_SECONDS = 5
FORMAT = pyaudio.paInt16

p = pyaudio.PyAudio()

frames = []
stream = p.open(format=p.get_format_from_width(WIDTH),
                channels=CHANNELS,
                rate=RATE,
                input=True,
                output=False,
                frames_per_buffer=CHUNK)

print("* recording")

for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
  data = stream.read(CHUNK)  #read audio stream
  frames.append(data)

print("* done")

stream.stop_stream()
stream.close()

p.terminate()

wf = wave.open('kevin.wav', 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()