[reportlab-users] Splitting a nested table over multiple pages

[Mike Driscoll]

Hi,

I am working on a program that accepts large datasets and transforms 
them into nested tables that need to be split across multiple pages in 
ReportLab. Here's the basic setup:

1) My top level table has four columns and an unknown number of rows
2) In each column is a nested table
3) The nested table has 3 column and an unknown number of rows

When I try to feed my table the data, I end up getting the following 
traceback:

IndexError: list index out of range
File "V:\PythonPackages\Development\pyRetention\pyRetention\pyreGUI.py", 
line 143, in <module>
  app.MainLoop()
File "C:\Python25\Lib\site-packages\wx-2.8-msw-unicode\wx\_core.py", 
line 7967, in MainLoop
  wx.PyApp.MainLoop(self)
File "C:\Python25\Lib\site-packages\wx-2.8-msw-unicode\wx\_core.py", 
line 7292, in MainLoop
  return _core_.PyApp_MainLoop(*args, **kwargs)
File "V:\PythonPackages\Development\pyRetention\pyRetention\pyreGUI.py", 
line 113, in onRun
  pdfGenerator.createPDF(userData)
File 
"V:\PythonPackages\Development\pyRetention\pyRetention\pdfGenerator.py", 
line 87, in createPDF
  doc.build(story, onFirstPage=onPageHeader)
File "c:\Python25\Lib\site-packages\reportlab\platypus\doctemplate.py", 
line 1010, in build
  BaseDocTemplate.build(self,flowables, canvasmaker=canvasmaker)
File "c:\Python25\Lib\site-packages\reportlab\platypus\doctemplate.py", 
line 777, in build
  self.handle_flowable(flowables)
File "c:\Python25\Lib\site-packages\reportlab\platypus\doctemplate.py", 
line 665, in handle_flowable
  if frame.add(f, canv, trySplit=self.allowSplitting):
File "c:\Python25\Lib\site-packages\reportlab\platypus\frames.py", line 
159, in _add
  w, h = flowable.wrap(aW, h)
File "c:\Python25\Lib\site-packages\reportlab\platypus\tables.py", line 
1092, in wrap
  self._calc(availWidth, availHeight)
File "c:\Python25\Lib\site-packages\reportlab\platypus\tables.py", line 
571, in _calc
  W = self._calcPreliminaryWidths(availWidth) #widths
File "c:\Python25\Lib\site-packages\reportlab\platypus\tables.py", line 
665, in _calcPreliminaryWidths
  value = self._cellvalues[rowNo][colNo]

My outer table is set up like this:

mainTbl = Table(data, splitByRow=1)

And here's some example data that goes into it:

data = [[tblOne, tblTwo, tblThree, tblFour],  [ddTblOne, ddTblTwo, 
ddTblThree, ddTblFour]]

I am doing my development on Windows with ReportLab 2.3 and Python 2.5. 
Suggestions are most welcome.

Mike