Stream pulseaudio in wifi network

stream_pulse.py

import difflib
import re
import subprocess


def add_module(mod_props):
    '''
    Add a module to pulseaudio and return
    the index
    '''
    mod_list_before = subprocess.check_output(['pacmd', 'list-modules'], universal_newlines=True)
    #Aggiungo il modulo
    mod_def = ['pacmd', 'load-module']
    mod_def.extend(mod_props)
    subprocess.call(mod_def)

    mod_list_after = subprocess.check_output(['pacmd', 'list-modules'], universal_newlines=True)

    diff = difflib.ndiff(mod_list_before.splitlines(1), mod_list_after.splitlines(1))
    module_inserted = [line for line in diff if line.startswith('+ ')]

    for line in module_inserted:
        match = re.search('index: (\d+)', line)
        if match:
            return match.group(1)

def clean_modules (modules) :
    '''
    Clean the list of modules loaded by this script
    '''
    for mod in modules:
        subprocess.call(['pacmd', 'unload-module', mod])
    
if __name__ == '__main__':
    modules_ids = []
    modules_ids.append(add_module(['module-null-sink']))

    clean_modules(modules_ids)