[PyQt] SIP: overloaded functions with the same Python signature

[Phil Thompson]

On Mon, 05 Jul 2010 23:36:57 +0200, GOO Creations <goocreations at gmail.com>
wrote:
> Hello
> 
> This may sound like a really stupid question, but I can't find proper 
> documentation/examples online:
> 
> I'm using SIP for my C++ - Python bindings. My C++ class has 2 functions 
> with the same name.
> 
> ----------------------------------------------------------
> The C++ class:
> 
> class MyHasher
> {
> public:
> 
>      enum HashAlgorithm
>      {
>          Md4,
>          Md5,
>          Sha1
>      };
> 
>      MyHasher();
>      QString getFileHash(QString data, HashAlgorithm hash = Md5);
>      QString getFileHash(QString data, HashAlgorithm hash = Md5, int 
> numberOfBytes = 2048);
> };
> ----------------------------------------------------------
> 
> The sip file:
> 
> class MyHasher
> {
> 
> %TypeHeaderCode
> #include <myhasher.h>
> %End
> 
> public:
> 
>      enum HashAlgorithm
>      {
>          Md4,
>          Md5,
>          Sha1
>      };
> 
>      MyHasher();
>      QString getFileHash(QString data, HashAlgorithm hash = Md5);
>      QString getFileHash(QString data, HashAlgorithm hash = Md5, int 
> numberOfBytes = 2048);
> };
> ----------------------------------------------------------
> 
> 
> 
> When I compile it, I'm getting the error:
> sip: MyHasher::getFileHash() has overloaded functions with the same 
> Python signature
> 
> When I remove one of the getFileHash functions, everything is working 
> fine, but the problem seems to be with 2 functions with the same name at 
> the same time.
> 
> How can I correct this in SIP?

I'm not a C++ expert, but I'm surprised that it allows those overloads.
According to the standard, with...

getFileHash(QString());

...which overload gets called?

Phil