def get_info(process=None, interval=0, with_childs=False):
    """Return information about a process. (can be an pid or a Process object)

    If process is None, will return the information about the current process.
    """
    # XXX moce get_info to circus.process ?
    from circus.process import (get_children, get_memory_info,
                                get_cpu_percent, get_memory_percent,
                                get_cpu_times, get_nice, get_cmdline,
                                get_create_time, get_username)

    if process is None or isinstance(process, int):
        if process is None:
            pid = os.getpid()
        else:
            pid = process

        if pid in _PROCS:
            process = _PROCS[pid]
        else:
            _PROCS[pid] = process = Process(pid)

    info = {}
    try:
        mem_info = get_memory_info(process)
        info['mem_info1'] = bytes2human(mem_info[0])
        info['mem_info2'] = bytes2human(mem_info[1])
    except AccessDenied:
        info['mem_info1'] = info['mem_info2'] = "N/A"

    try:
        info['cpu'] = get_cpu_percent(process, interval=interval)
    except AccessDenied:
        info['cpu'] = "N/A"

    try:
        info['mem'] = round(get_memory_percent(process), 1)
    except AccessDenied:
        info['mem'] = "N/A"

    try:
        cpu_times = get_cpu_times(process)
        ctime = timedelta(seconds=sum(cpu_times))
        ctime = "%s:%s.%s" % (ctime.seconds // 60 % 60,
                              str((ctime.seconds % 60)).zfill(2),
                              str(ctime.microseconds)[:2])
    except AccessDenied:
        ctime = "N/A"

    info['ctime'] = ctime

    try:
        info['pid'] = process.pid
    except AccessDenied:
        info['pid'] = 'N/A'

    try:
        info['username'] = get_username(process)
    except AccessDenied:
        info['username'] = 'N/A'

    try:
        info['nice'] = get_nice(process)
    except AccessDenied:
        info['nice'] = 'N/A'
    except NoSuchProcess:
        info['nice'] = 'Zombie'

    try:
        raw_cmdline = get_cmdline(process)

        cmdline = os.path.basename(
            shlex.split(raw_cmdline[0], posix=not IS_WINDOWS)[0]
        )
    except (AccessDenied, IndexError):
        cmdline = "N/A"

    try:
        info['create_time'] = get_create_time(process)
    except AccessDenied:
        info['create_time'] = 'N/A'

    try:
        info['age'] = time.time() - get_create_time(process)
    except __HOLE__:
        info['create_time'] = get_create_time(process)
    except AccessDenied:
        info['age'] = 'N/A'

    info['cmdline'] = cmdline

    info['children'] = []
    if with_childs:
        for child in get_children(process):
            info['children'].append(get_info(child, interval=interval))

    return info
dataset/ETHPy150Open circus-tent/circus/circus/util.py/get_info