import os
import subprocess


HOSTNAME = '127.0.0.1'
WCSCTL = os.environ.get('WCSCTL')


def run_wcs_script(wcs_dir, script, script_name):
    '''Run python script inside w.c.s. environment'''
    script_path = wcs_dir / (script_name + '.py')
    with script_path.open('w') as fd:
        fd.write(script)

    subprocess.check_call(
        [WCSCTL, 'runscript', '--app-dir', str(wcs_dir), '--vhost', HOSTNAME,
         str(script_path)])