You should definitely use a separate context, or you will get bitten by
it later on.
To debug similar things, use the tried and true print: print the context
before you execute something, and after. In your case:
print 'before', context
print eval(result, context)
print 'after', context
Also, in case Silverlight is difficult to debug, you can always rip out
snippets and use them in either a text file or in the interactive
interpreter.
Have fun!
Kristian Jaksch wrote:
Michael,
Thank you for your help! It finally works. Now there is lots of other
things left but this has really helped a lot.
2008/12/16 Michael Foord <[email protected]
<mailto:[email protected]>>
Kristian Jaksch wrote:
Michael,
What do you mean exec the import * inside the context to poulate
it? Something like:
*context['Mapack'] = exec "from Mapack import *" #Doesn't work
*Hmmm... think I'm getting tired.
exec doesn't return anything.
Try:
*exec "from Mapack import *" in context*
It looked like from your response to Orestis that you were moving
away from using an explicit context - which I think will get you
into confusion with local variables created by your user code.
Michael
Anyway thanks for help!
2008/12/16 Michael Foord <[email protected]
<mailto:[email protected]>
<mailto:[email protected]
<mailto:[email protected]>>>
Michael Foord wrote:
Kristian Jaksch wrote:
*
def inputBox_KeyDown(s, e):
key = e.Key.value__
result = root.inputBox.Text
if key == 3: #If 'Enter' key is pressed
try:
try:
root.message.Text = eval(result)
except SyntaxError:
exec result in context
except Exception, e:
print 'Unhandled exception', e
root.inputBox.Text = "" #Clearing inputBox*
But this creates a fixed size matrix and I still get an
exception if I type for example *m=Matrix(2,2)* in the
'inputBox'. I want to make this as general as possible.
Can't I place everything that is imported from 'Mapack'
into the 'context' dictionary together with whatever the
user types in besides of that?
You can. I'll give you a clue - import * makes it harder. Try
importing Mapack and then it will be easier to put things
from
the module into the dictionary.
Hmmm - actually you could exec the import * inside the context to
populate it.
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[email protected]
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