start_smc.py

#!/usr/bin/python
from __future__ import print_function, absolute_import

import os, sys, time

if not 'SMC' in os.environ:
    os.environ['SMC'] = os.path.join(os.environ['HOME'], '.smc')

SMC = os.environ['SMC']
if not os.path.exists(SMC):
    os.makedirs(SMC)

# ensure that PATH starts with ~/bin, so user can customize what gets run
os.environ['PATH'] = "%s:%s" % (os.path.join(os.environ['HOME'],
                                             'bin'), os.environ['PATH'])


def cmd(s):
    print(s)
    if os.system(s):
        sys.exit(1)


def started():
    return os.path.exists("%s/local_hub/local_hub.port" % SMC)


def main():
    # concatenate all additional arguments and pass them to the node.js server
    port_args = ' '.join(sys.argv[2:])

    # Start local hub server
    cmd("smc-local-hub start " + port_args)

    i = 0
    while not started():
        time.sleep(0.1)
        i += 1
        print(i, end=" ")
        sys.stdout.flush()
        if i >= 100:
            sys.exit(1)


if __name__ == "__main__":
    main()