cardinalus

import urllib2
urlInputFile = 'http://xxxx' # link to m3u file
outputFile = 'result.txt'

response = urllib2.urlopen(urlInputFile)
fileM3U = response.readlines()

streamIP = ''
for line in fileM3U:
    if 'http' in line:
        if not streamIP: streamIP = line.split('/')[2]

with open(outputFile,mode='r') as f:
    lines = f.readlines()

with open(outputFile,mode='w') as f:
    for line in lines:
        f.write(line.replace(line.split('/')[2],streamIP))