def shelve(site, modified_only=False):
"Shelve an application's stash, as a worker process."
with no_pyc():
# Create shelve time dir if it does not exist
try: os.makedirs(SHELVE_TIME_DIR)
except (IOError, OSError): pass
shelve_time_path = os.path.join(SHELVE_TIME_DIR, site)
os.environ['SHELVE_TIME_PATH'] = shelve_time_path
site = validate_site(site)
Tango.shelve_by_name(site, modified_only=modified_only, logfile=sys.stdout)
open(os.environ['SHELVE_TIME_PATH'], 'w').close()
