[IronPython] Using and IronPython 1.1 Dictionary from C#

Simon Dahlbacka simon.dahlbacka at gmail.com
Fri Apr 18 16:16:26 CEST 2008


Actually, I don't really have a clue about this but

Tuple key = new Tuple(new object[col, row]);

seems like it doesn't do what it probably should do, or do you intend to
pass a multidimensional array to the Tuple constructor?

/Simon

On Fri, Apr 18, 2008 at 4:39 PM, Michael Foord <fuzzyman at voidspace.org.uk>
wrote:

> Hello all,
>
> I'm trying to use an IronPython (1.1) dictionary from C#, where the
> dictionary is keyed by tuples.
>
> I am printing the keys - so I can see that the values I want are in the
> dictionary, but I can't fetch  them. I have tried various approaches -
> the problem seems to be that when I create a new Tuple from two integers
> it isn't recognised as a valid key. Any suggestions/corrections.
>
> Code below (range is a Python 'Dict'):
>
>
>            System.Console.WriteLine("Keys: {0}", range.keys());
>            for (int row = minRow; row < (maxRow + 1); row++)
>            {
>                for (int col = minCol; col < (maxCol+1); col++)
>                {
>                    Tuple key = new Tuple(new object[col, row]);
>                    object val = range.GetValue(key);
>                    if (val != null)
>                        {
>                            try
>                            {
>                                result = (Double)FloatOps.Add(result, val);
>                            }
>                            catch (Exception e)
>                            {
>                                System.Console.WriteLine(e);
>                            }
>                        }
>                    else
>                        {
>                            System.Console.WriteLine("No Value for col
> {0} row {1}", col, row);
>                        }
>                }
>
> I'm aware that the cast there is 'dubious', but as my code never reaches
> it it hasn't been a problem so far!
>
> Michael Foord
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