pyrnnoise/demo_orig.py

import os
import sys
import tempfile
import wave

wavein=sys.argv[1]
waveout=sys.argv[2]

datain=tempfile.NamedTemporaryFile()
dataout=tempfile.NamedTemporaryFile()

with tempfile.NamedTemporaryFile() as dataoutfp:
    with tempfile.NamedTemporaryFile()as datainfp:
        datain_name = datainfp.name
        dataout_name = dataoutfp.name
        with wave.open(wavein, 'rb') as infp:
            params=infp.getparams()
            while True:
                data = infp.readframes(2048)
                if not len(data):
                    break
                datainfp.write(data)
        datainfp.flush()
        cmd = "./rnnoise_demo %r %r" % (datain_name, dataout_name)
        os.system(cmd)

        with wave.open(waveout, 'wb') as outfp:
            params=outfp.setparams(params)
            outfp.writeframes(dataoutfp.read())