Download m3u8 links as mp4 and will raise error if the download process hangs.

dl_m3u8_err_on_hang.py

# pip install m3u8_To_MP4

# Code to download m3u8 links as mp4 files
import m3u8_To_MP4
import os
import signal

def handler(signum, frame):
  raise Exception('Function timed out')

def dl_m3u8(url, directory, filename):
  # Note directory should be the filepath to save the file ex: '/home/username/bin'
  # Directory can be a relative or absolute path
  # Filename should end with an .mp4 ex: 'test.mp4'
  try:
    m3u8_To_MP4.multithread_download(
      url,
      mp4_file_dir=directory,
      mp4_file_name=filename
    )
  except Exception as e:
    print(e)

# Test it works
# Create directory for testing
directory = 'test_output'
if not os.path.isdir(directory):
    os.mkdir(directory)

url = 'https://stream.mux.com/PjVO02ZBOj01Fxmf15ifIQPZAlIHv02GodT.m3u8'
filepath = 'output.mp4'

# Register the signal function handler
signal.signal(signal.SIGALRM, handler)

# Define a timeout for the download
timeout = 300 # How long to wait until timeout the function if it hangs.
signal.alarm(timeout)

dl_m3u8(url, directory, filepath)

# Should create a 'test_output' directory in the active directory 
# Then produce an mp4 called 'output.mp4' there