<[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED]
> I'm driving Excel from python, largely successfully. Now I'm trying to
> add errorbars to XY scatter plots. Keep getting a com_error. Can't
> track down the problem.
>
> I modified a simple example to duplicate the problem. Thanks to Mathieu
> Fenniak http://www.stompstompstomp.com/weblog/entries/67/ for the code.
>
> The traceback is shown below. You can see that the Excel chart series
> has a method called ErrorBar. But when I try to use it with any or all
> of its allowed arguments, it fails. The traceback goes into the guts of
> win32com but I don't really have a clue at that point. (Happy to learn
> something new though).
>
> The relevant Excel VBA language doc is here.
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbaxl11/html/xlmthErrorBar1_HV03076818.asp
>
> Hope someone can help. Losing hair .... fast!
>
>
>
> In [16]: %run test.py
> --Return--
>> c:\python23\lib\pdb.py(992)set_trace()->None
> -> Pdb().set_trace()
> (Pdb) c
> There's a method waiting
> ---------------------------------------------------------------------------
> pywintypes.com_error Traceback (most
> recent call
> last)
>
> c:\temp\mpival\test.py
> 79
> 80 # A simple example:
> ---> 81 plot( (1,2,3,4,5), (6,7,8,9,10) )
> 82
> 83 # Some more data:
>
> c:\temp\mpival\test.py in plot(x, y, xAxisLog, yAxisLog)
> 35 if series.ErrorBar:
> 36 print "There's a method waiting"
> ---> 37 series.ErrorBar(Direction = constants.xlY)
According to the docs, the Include and Type arguments are
required, and they're not being passed to the method.
hth
Roger
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