Re: [Jython-users] (no subject)

[D-Man <ds...@ri...>]

On Sat, Feb 17, 2001 at 10:59:26AM -0800, Eli Ateljevich wrote:
| Hi. I have inherited a jpython application that makes use of user-defined 
| java time series classes. These classes have overloaded operators that do 
| pretty much what you would expect. For instance, given a time series x and 
| a time series y, x+y returns a new time series with the elements of x and y 
| added at corresponding times.
| 
| It would be very useful to be able to define x>y the same way. However, 
| when I write my own __cmp__ method jpython ignores it. The results from

You should use jython instead of jpython.

| x>y
| are an arbitrary scalar value, as if I had left comparisons undefined. If I 
| call my method directly by name:
| x.__cmp__(y)
| it works fine. Any advice?
| 

I just realized what is wrong here.  

x>y doesn't call __cmp__, but __gt__ instead

I think it would be good to RTFM some more.  Find out where __cmp__ is
used (list.sort uses it) and where __gt__, __lt__, etc. are used.

(I don't know, so I can't help any more than this, but the Fine Manual
can ;-))

HTH,
-D