Errors accessing .NET class method overloads in IronPython

Question

I have a class I've written in C#. The class has two methods, the signatures being:

bool Navigate(string url)
bool Navigate(Uri url)

From what I gather, the IronPython runtime is supposed to try and select the best overload based on the passed-in argument. In my case, I'm passing in a string which I know to be non-null, yet I get the following exception:

Multiple targets could match: Navigate(Uri), Navigate(str)

Seeing as my argument is blatantly a string, why does IronPython insist that multiple targets could match? System.String does not cast to System.Uri and as such the second method overload should not be a viable candidate for selection...

Interesting, not had this problem myself nor would I know how to advise though I'm afraid. — Finglas
– Finglas, Commented Dec 30, 2009 at 18:17
@Nathan, I couldn't reproduce the problem. I used your two signatures, and it worked as expected. I'm using IronPython 2.6 Final. — dan-gph
– dan-gph, Commented Jan 1, 2010 at 14:45
There's obviously some other kind of weirdness going on in the rest of my class then. I found a workaround in the meantime, but my class is a bit too tied to my framework to easily publish it here for testing. — Nathan Ridley
– Nathan Ridley, Commented Jan 1, 2010 at 17:40

CrazyCasta · Accepted Answer · 2012-11-04 00:46:54Z

4

It sounds like somehow IronPython is deciding that it can convert strings to Uris. Perhaps this is a "feature", I don't know. You could do something like the following (source):

navigate_string = myObj.Navigate.Overloads[type("")]
navigate_string("asdf")

answered Nov 4, 2012 at 0:46

CrazyCasta

28.6k4 gold badges50 silver badges73 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Errors accessing .NET class method overloads in IronPython

1 Answer 1

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related