imagination-tulip.py

from imagination.tulip import subprocess

p = subprocess.run("somecmd", ["arg1", "arg2"])

# process's pid
p.pid

# send signal to process
p.kill(subprocess.SIGINT)

# return_code is a tulip.futures.Future instance which resolves to process' return code on completion
p.return_code

def somecmd_done(return_code):
  print("I'm done with %s" % return_code)

p.return_code.add_done_callback(somecmd_done)

# stdout, stderr are instances of tulip.streams.StreamReader
p.stdout, p.stderr

# stdin implements tulip.transports.WriteTransport
p.stdin