Python win32api 模块，GetCurrentProcessId() 实例源码

def setpriority(pid=None,priority=1):
    """ Set The Priority of a Windows Process.  Priority is a value between 0-5 where
        2 is normal priority.  Default sets the priority of the current
        python process but can take any valid process ID. """

    import win32api,win32process,win32con

    priorityclasses = [win32process.IDLE_PRIORITY_CLASS,
                       win32process.BELOW_NORMAL_PRIORITY_CLASS,
                       win32process.NORMAL_PRIORITY_CLASS,
                       win32process.ABOVE_NORMAL_PRIORITY_CLASS,
                       win32process.HIGH_PRIORITY_CLASS,
                       win32process.REALTIME_PRIORITY_CLASS]
    if pid == None:
        pid = win32api.GetCurrentProcessId()
    handle = win32api.OpenProcess(win32con.PROCESS_ALL_ACCESS, True, pid)
    win32process.SetPriorityClass(handle, priorityclasses[priority])

def beNice(very_nice=False):
        if very_nice:
            value = BELOW_NORMAL_PRIORITY_CLASS
        else:
            value = IDLE_PRIORITY_CLASS

        pid = GetCurrentProcessId()
        handle = OpenProcess(PROCESS_ALL_ACCESS, True, pid)
        SetPriorityClass(handle, value)

def killProcName(procname):
    # Change suggested by Dan Knierim, who found that this performed a
    # "refresh", allowing us to kill processes created since this was run
    # for the first time.
    try:
        win32pdhutil.GetPerformanceAttributes('Process','ID Process',procname)
    except:
        pass

    pids = win32pdhutil.FindPerformanceAttributesByName(procname)

    # If _my_ pid in there, remove it!
    try:
        pids.remove(win32api.GetCurrentProcessId())
    except ValueError:
        pass

    if len(pids)==0:
        result = "Can't find %s" % procname
    elif len(pids)>1:
        result = "Found too many %s's - pids=`%s`" % (procname,pids)
    else:
        handle = win32api.OpenProcess(win32con.PROCESS_TERMINATE, 0,pids[0])
        win32api.TerminateProcess(handle,0)
        win32api.CloseHandle(handle)
        result = ""

    return result

def killProcName(procname):
    # Change suggested by Dan Knierim, who found that this performed a
    # "refresh", allowing us to kill processes created since this was run
    # for the first time.
    try:
        win32pdhutil.GetPerformanceAttributes('Process','ID Process',procname)
    except:
        pass

    pids = win32pdhutil.FindPerformanceAttributesByName(procname)

    # If _my_ pid in there, remove it!
    try:
        pids.remove(win32api.GetCurrentProcessId())
    except ValueError:
        pass

    if len(pids)==0:
        result = "Can't find %s" % procname
    elif len(pids)>1:
        result = "Found too many %s's - pids=`%s`" % (procname,pids)
    else:
        handle = win32api.OpenProcess(win32con.PROCESS_TERMINATE, 0,pids[0])
        win32api.TerminateProcess(handle,0)
        win32api.CloseHandle(handle)
        result = ""

    return result

def currentPID():
        """Get the current process id."""
        try:
            return os.getpid()
        except AttributeError:
            if win32api:
                return win32api.GetCurrentProcessId()
        return None