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Re: exec with partial globals

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On Tue, Oct 30, 2012 at 11:57 PM, Helmut Jarausch
<jarausch@igpm.rwth-aachen.de> wrote:
> Given spreadsheet  S (Source) and D (Destination) as objects (wrapping a
> dictionary) a possible (legal) input would be
>
> D.price= D.price-S.discount
>
> No other fields of 'D' should be modifiable.

That's a bit harder. What you're describing, using exec with specific
globals, would not be able to do this. You'd need to build a proxy
object that decides whether or not to pass on the change.

ChrisA

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exec with partial globals Helmut Jarausch <jarausch@igpm.rwth-aachen.de> - 2012-10-30 12:00 +0000
  Re: exec with partial globals Chris Angelico <rosuav@gmail.com> - 2012-10-30 23:28 +1100
  Re: exec with partial globals Dave Angel <d@davea.name> - 2012-10-30 08:33 -0400
    Re: exec with partial globals Helmut Jarausch <jarausch@igpm.rwth-aachen.de> - 2012-10-30 12:57 +0000
      Re: exec with partial globals Chris Angelico <rosuav@gmail.com> - 2012-10-31 00:18 +1100
      Re: exec with partial globals Dave Angel <d@davea.name> - 2012-10-30 09:39 -0400

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