[PyQt] Unicode attributes of QObjects not raising AttributeError

[Phil Thompson]

On 22/06/2019 20:49, Arusekk wrote:
> Hi!
> 
> I just encountered a misguiding error message while using unicode 
> identifiers
> that cost me several hours of debugging.
> 
> The code to reproduce is as easy as:
> 
> 	>>> from PyQt5.QtCore import QObject
> 	>>> QObject().ą
> 	Traceback (most recent call last):
> 	  File "<stdin>", line 1, in <module>
> 	UnicodeEncodeError: 'ascii' codec can't encode character '\u0105'
> 	in position 0: ordinal not in range(128)
> 
> Whereas the expected behaviour would be like here:
> 
> 	>>> "".ą
> 	Traceback (most recent call last):
> 	  File "<stdin>", line 1, in <module>
> 	AttributeError: 'str' object has no attribute 'ą'
> 
> The possible solutions to it are (fix1, possibly having negative impact
> elsewhere):
> 
> --- sip/QtCore/QtCoremod.sip    2019-05-06 11:03:34.000000000 +0200
> +++ sip/QtCore/QtCoremod.sip.fix0       2019-06-22 20:03:35.190091685 
> +0200
> @@ -64,7 +64,7 @@
>  %Plugin PyQt5
> 
>  %If (Py_v3)
> -%DefaultEncoding "ASCII"
> +%DefaultEncoding "UTF-8"
>  %End
> 
>  %If (!Py_v3)
> 
> Or the following (fix2, only changing QObject's getattr):
> 
> --- sip/QtCore/qobject.sip      2019-05-06 11:03:34.000000000 +0200
> +++ sip/QtCore/qobject.sip.fix2 2019-06-22 20:10:16.075104723 +0200
> @@ -434,7 +434,7 @@
>          return qpycore_pyqtconfigure(sipSelf, sipArgs, sipKwds);
>  %End
> 
> -    SIP_PYOBJECT __getattr__(const char *name) const;
> +    SIP_PYOBJECT __getattr__(const char *name /Encoding="UTF-8"/) 
> const;
>  %MethodCode
>          sipRes = qpycore_qobject_getattr(sipCpp, sipSelf, a0);
>  %End

The second fix will be in tonight's snapshot.

Thanks,
Phil