[Pythonmac-SIG] trouble with NSXMLDocument

[Bob Ippolito]

On Nov 10, 2005, at 2:15 AM, Jack Nutting wrote:

> Hi gang,
>
> I wanted to play around with NSXMLDocument a bit, and figured  
> PyObjC would be a good way to do it.  Unfortunately, I get strange  
> errors.
>
> >>> doc, error = Foundation.NSXMLDocument.alloc  
> ().initWithContentsOfURL_options_error_(u"asdfkjsda.svg", 0)
> 2005-11-10 11:03:20.618 python[1018] *** -[OC_PythonUnicode  
> absoluteURL]: selector not recognized [self = 0x370db0]
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> ValueError: NSInvalidArgumentException - *** -[OC_PythonUnicode  
> absoluteURL]: selector not recognized [self = 0x370db0]
>
> Note that the "asdfkjsda.svg" file is in the same directory where I  
> started python.  I tried using a file URL instead, but both "  
> file://asdfkjsda.svg" and "file:///Users/jnutting/Documents/svg/ 
> shapes/asdfkjsda.svg" give me the same result, as does wrapping the  
> string in unicode(string, 'utf-8') instead of just prepending it  
> with 'u'.

It's telling you that strings are not URLs.  You need to use a NSURL  
instance as the first parameter.

-bob

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