tslog.py

#!/usr/bin/env python

import datetime
import sys

def timestamp():
    now = datetime.datetime.now()
    return (now.strftime('%Y-%m-%d %H:%M:%S.%m') +
      ".%06d" % now.microsecond)

if __name__ == '__main__':
    try:
        while True:
            line = sys.stdin.readline()
            if line == '':
                break
            line = line.rstrip('\n\r')
            sys.stdout.write("%s -- %s\n" % (timestamp(), line))
            sys.stdout.flush()
    except KeyboardInterrupt:
        sys.stderr.write('Interrupted')
        sys.exit(1)          # interrupted
    except IOError:
        sys.exit(74)        # EX_IOERR    from sysexits.h
    except:
        sys.exit(70)        # EX_SOFTWARE  from sysexits.h

    sys.exit(0)