def _timestamp(pathname):
    try:
        s = _os_stat(pathname)
    except OSError:
        return None
    return long(s.st_mtime)


######################################################################
#
# Emulate the import mechanism for builtin and frozen modules
#
Return the file modification time as a Long.
dataset/ETHPy150Open anandology/pyjamas/pyjd/imputil.py/_timestamp