[PyQt] Any way to run code before each QThread?

Ned Batchelder ned at nedbatchelder.com
Sun Jul 15 17:06:25 BST 2018

On 7/15/18 11:57 AM, Tobias Rzepka wrote:
> Have a look into the Eric debugger. I've already implemented a solution to intercept the QThread creation and to inject code to trace the excecution.
> Tobias

That sounds great.  Any chance you have a link handy for those of us 
unfamiliar with the codebase?

> Gesendet von meinem BlackBerry 10-Smartphone.
>    Originalnachricht
> Von: David Boddie
> Gesendet: Sonntag, 15. Juli 2018 17:54
> An: Ned Batchelder
> Cc: pyqt at riverbankcomputing.com
> Betreff: Re: [PyQt] Any way to run code before each QThread?
> On Sunday 15. July 2018 11.24.42 Ned Batchelder wrote:
>> On 7/15/18 10:55 AM, Florian Bruhin wrote:
>>> That's only for a given QThread instance though - it'd probably work if
>>> you could somehow find out about all QThread instances created in a
>>> project, but I can't think of a good way to do that.
> I missed that detail, though I should have suspected my solution was a bit
> too easy.
>> I've only poked around for ten minutes, but that's what I'm seeing also:
>> I could get a signal from a specific thread, but only if I were alerted
>> to its creation and could connect the signal.
>> Anyone have any other hacky^H^H^H^H^Hcreative ideas for how to
>> accomplish this? :)
> I think you could install an event filter on the application instance then
> handle ThreadChange events. However, this seems to be a recent addition to
> Qt. Perhaps in Qt 5.9 or so. I'll post an example shortly.
> David
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