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<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'>I actually want to use an object
instance of a .NET custom class that I pass in before the script is invoked
from c#. Our current scripts look something like:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'>row.PropertySet[“Foo”][“Bar”].Value
= x<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'>and it would be much better if script
authors could write:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'>row.Foo.Bar = x<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'>So I’m looking to have an on the
fly function read the metadata of expected keys and then code generated python
class wrapper for the script author to consume. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma;color:green'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> users-bounces@lists.ironpython.com
[mailto:users-bounces@lists.ironpython.com] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Miha Valencic<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, November 06, 2008
9:08 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">Discussion
of IronPython</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [IronPython]
Extension methods in python</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Marty, from what I
understand you are passing a variable into python engine and want extension
methods there? You can use something like that:<br>
<br>
import clr<br>
import System<br>
<br>
class MyString(System.String):<br>
pass;<br>
<br>
def ToFoo(self):<br>
return self.upper()+' FooBarBaz'<br>
<br>
<br>
a = MyString("Hello world!");<br>
print a.ToFoo();<br>
<br>
<br>
<br>
That would print "HELLO WORLD! FooBarBaz.<br>
<br>
You can't put methods on System.String though, but you can create new object
from System.String...<br>
<br>
Miha<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>2008/11/5 Marty Nelson <<a href="mailto:Marty.Nelson@symyx.com">Marty.Nelson@symyx.com</a>><o:p></o:p></span></font></p>
<div link=blue vlink=purple>
<div>
<p><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>Is
there the equivalent of extension method in python? I want to put a
variable into the script scope and create extension methods for it. Does
this make sense and is it possible?</span></font><o:p></o:p></p>
</div>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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