小编Dav*_*vid的帖子

我想要一个长时间运行的进程来返回它在队列(或类似的东西)上的进度,我将把它提供给进度条对话框.完成该过程后,我还需要结果.这里的测试示例失败了RuntimeError: Queue objects should only be shared between processes through inheritance.

import multiprocessing, time

def task(args):
    count = args[0]
    queue = args[1]
    for i in xrange(count):
        queue.put("%d mississippi" % i)
    return "Done"

def main():
    q = multiprocessing.Queue()
    pool = multiprocessing.Pool()
    result = pool.map_async(task, [(x, q) for x in range(10)])
    time.sleep(1)
    while not q.empty():
        print q.get()
    print result.get()

if __name__ == "__main__":
    main()

我已经能够得到这个使用单个进程对象的工作(在这里我很 alowed传递一个队列引用),但是我没有一个池来管理许多流程我要启动.有关更好的模式的建议吗？

是否可以使用命名参数从PowerShell调用COM方法？我正在使用的COM对象方法有许多参数:

object.GridData( DataFile, xCol, yCol, zCol, ExclusionFilter, DupMethod, xDupTol,
    yDupTol, NumCols, NumRows, xMin, xMax, yMin, yMax, Algorithm, ShowReport,
    SearchEnable, SearchNumSectors, SearchRad1, SearchRad2, SearchAngle, 
    SearchMinData, SearchDataPerSect, SearchMaxEmpty, FaultFileName, BreakFileName, 
    AnisotropyRatio, AnisotropyAngle,  IDPower, IDSmoothing, KrigType, KrigDriftType, 
    KrigStdDevGrid, KrigVariogram, MCMaxResidual, MCMaxIterations, MCInternalTension, 
    MCBoundaryTension, MCRelaxationFactor, ShepSmoothFactor, ShepQuadraticNeighbors, 
    ShepWeightingNeighbors, ShepRange1, ShepRange2, RegrMaxXOrder, RegrMaxYOrder, 
    RegrMaxTotalOrder, RBBasisType, RBRSquared, OutGrid,  OutFmt, SearchMaxData, 
    KrigStdDevFormat, DataMetric, LocalPolyOrder, LocalPolyPower, TriangleFileName )

这些参数中的大多数是可选的,其中一些是互斥的.在使用win32com模块的Visual Basic或Python中,您可以使用命名参数来仅指定所需选项的子集.例如(在Python中):

Surfer.GridData(DataFile=InFile,
                xCol=Options.xCol,
                yCol=Options.yCol,
                zCol=Options.zCol,
                DupMethod=win32com.client.constants.srfDupMedZ,
                xDupTol=Options.GridSpacing,
                yDupTol=Options.GridSpacing,
                NumCols=NumCols,
                NumRows=NumRows,
                xMin=xMin,
                xMax=xMax,
                yMin=yMin,
                yMax=yMax,
                Algorithm=win32com.client.constants.srfMovingAverage,
                ShowReport=False,
                SearchEnable=True,
                SearchRad1=Options.SearchRadius,
                SearchRad2=Options.SearchRadius, …