app.py

import gradio as gr
import os

WAVE_OUTPUT_FILE = "sample.wav"

def list_file_sizes():
    path = "."
 
    # Get list of all files only in the given directory
    fun = lambda x : os.path.isfile(os.path.join(path,x))
    files_list = filter(fun, os.listdir(path))
    
    # Create a list of files in directory along with the size
    size_of_file = [
        (f,os.stat(os.path.join(path, f)).st_size)
        for f in files_list
    ]
    # Iterate over list of files along with size
    # and print them one by one.
    for f,s in size_of_file:
        print("{} : {}MB".format(f, round(s/(1024*1024),3)))


def greet(audio):
    with open(WAVE_OUTPUT_FILE, "wb") as file:
        file.write(audio)
    return audio

iface = gr.Interface(fn=greet, 
                     inputs=gr.inputs.Audio(source="microphone", type="filepath"), 
                     outputs="audio",
                     layout="horizontal",
                    theme="huggingface"
                    )
iface.launch()