lock_files_in_directory.py

#!/usr/bin/env python
import traceback
import tempfile
import fcntl
import sys
import os

try:
    d, = sys.argv[1:]
except ValueError:
    print 'Usage: %s <directory>' % sys.argv[0]
    sys.exit(1)

for x in (d, "%s/.omero" % d):
    path = os.path.join(x, ".omero_lock_test")
    print 'Locking %s:' % path,
    f = open(path, 'a+')
    try:
        fcntl.flock(f, fcntl.LOCK_NB|fcntl.LOCK_EX)
        fcntl.flock(f, fcntl.LOCK_UN)
        print 'SUCCESS'
    except:
        #traceback.print_exc()
        print 'FAILED'
    finally:
        f.close()
        try:
            os.remove(filename)
        except:
            pass