[Jython-users] jython - dicts and methods

[<Dir...@t-...>]

Hello,

I have noticed a strange behavior of Jython. Coming from CPython I run
into this problem and I'm not sure if it was pure luck that this worked
for me so far, or if jython has a bug.

Consider the following program:

class c:
    def m(self):
        pass

i = c()

d = {}

d[i.m] = 42
d[i.m] = 23
print d

This yields, not very suprising, this result with CPython 2.1.1:
dirk@susi:~/python> python test.py
{<method c.m of c instance at 0x80e6394>: 23}

With Jython 2.1 and Sun Java2 1.4rc1 however:
dirk@susi:~/python> ../jython-2.1/jython test.py
{<method c.m of c instance at 16348303>: 23, <method c.m of c instance
at 16348303>: 42}

Well, this caught me rather off-guard and I debug quite a while. I would
be extremely happy I anybody could explain this to me. I'm quite unsure
how Python or Jython compare methods anyway.

Cheers,
Dirk