[PyQt] PyQt releases with private SIP?
phil at riverbankcomputing.com
Sun Feb 19 13:00:05 GMT 2017
On 19 Feb 2017, at 10:11 am, Elvis Stansvik <elvstone at gmail.com> wrote:
> 2017-02-19 2:30 GMT+01:00 Phil Thompson <phil at riverbankcomputing.com>:
>> On 18 Feb 2017, at 8:31 pm, Terekhov, Mikhail <termim at gmail.com> wrote:
>>> On 2/18/17 13:34, Phil Thompson wrote:
>>>> On 18 Feb 2017, at 6:23 pm, Mikhail Terekhov <termim at gmail.com> wrote:
>>>>> Right now every time new release of SIP and PyQt5 comes out we need to
>>>>> recompile PyQt4 as well even if it was not changed. Would it be possible
>>>>> to have PyQt5 release with private SIP? That would make it much easier
>>>>> to have multiple PyQt versions installed simultaneously. Yes, it is
>>>>> possible to have separate VE for different versions but too many VEs
>>>>> quickly becomes VE hell.
>>>> You only need to recompile PyQt4 if the major version of the ABI changes. That should happen very infrequently.
>>> In theory that is true, but it happened several times in the past when I updated packages on OBS with new minor releases of PyQt4 and SIP but didn't update QScintilla and then loading Qsci resulted in segmentation fault until QScintilla package was not recompiled.
>> Yes, when the major ABI changes you have to re-compile everything (which should be very infrequently).
> I'm curious here: Above, Mikhail said he updated to "[...] new *minor*
> releases of PyQt4 and SIP [...]" (emphasis mine). This should imply
> there were no major ABI changes, right?
Not at the moment. The ABI version and the sip version are completely unrelated. If I implement Florien's request then that will change.
> So his QScintilla should not
> have been broken, right?
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