[OpenIndiana-discuss] meld tool/utility is broken

[Andreas Wacknitz]

Am 15.09.26 um 09:20 schrieb Andreas Wacknitz via openindiana-discuss:
> Am 15.09.26 um 09:10 schrieb Predrag Zečević via openindiana-discuss:
>>
>> On 2026-09-14 22:00, Tim Mooney via openindiana-discuss wrote:
>>> In regard to: [OpenIndiana-discuss] meld tool/utility is broken, 
>>> Predrag...:
>>>
>>>>     x: float | None = None,
>>>> TypeError: unsupported operand type(s) for |: 'type' and 'NoneType'
>>>
>>> I think it may be this:
>>>
>>> https://stackoverflow.com/questions/76712720/typeerror-unsupported- 
>>> operand-types-for-type-and-nonetype
>>>
>>> Both meld's web site and meld's gitlab page says it only requires 
>>> Python
>>> 3.4.7 or later, but that "type | None" syntax is apparently a Python 
>>> 3.10+
>>> thing.
>>>
>>> The first answer on the stackoverflow site has a couple of workarounds
>>> involving other modules.  You might try hack your copy to use one of 
>>> them,
>>> to see if that fixes it.
>>>
>>> I don't know for certain if this will work, assuming you have other 
>>> python
>>> runtimes installed, you could instead try something like
>>>
>>>      /usr/bin/python3.14 /usr/bin/meld file1.xml file2.xml
>>>
>>> to see if the problem goes away.
>>>
>>> Tim
>>
>> IMHO, meld needs rebuild with python 3.14...
>>
>> a) There is obviously no meld module present for python 3.14:
>> :; /usr/bin/python3.14 /usr/bin/meld file1.xml file2.xml
>> Traceback (most recent call last):
>>   File "/usr/bin/meld", line 98, in <module>
>>     import meld.conf  # noqa: E402
>>     ^^^^^^^^^^^^^^^^
>> ModuleNotFoundError: No module named 'meld'
>>
>> b) Python 3.9 is still default one:
>> :; pkg mediator python
>> MEDIATOR            VER. SRC. VERSION IMPL. SRC. IMPLEMENTATION
>> python              local     3.9     vendor
>>
>>
>> Thanks anyway
>>
>>
> We cannot switch to 3.14 at the moment. IPS depends heavily on the 
> python version and some additional packages.
> As for meld we cannot switch to python 3.14 either because we miss 
> some python packages for 3.14 (eg. pygobject). Anybody willing to work 
> on it?
>
> Andreas
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For the time being I have downgraded meld to 3.22.3.