[PySide] sending data from urllib2.urlopen().read() via signal corrupts in receiver

[Frank Rueter | OHUfx]

Interesting. I assumed you can't do that between different threads to I 
never tried it.

On 10/23/2017 05:36 AM, Erik Johansson wrote:
> Had the same problem.
>
> Solved it by creating a QImage and emitting that.
>
> Cheers,
> Erik
>
> On Sun, Oct 22, 2017 at 11:19 AM, Frank Rueter | OHUfx 
> <frank at ohufx.com <mailto:frank at ohufx.com>> wrote:
>
>     quick follow up:
>     I am now writing the files to a temp directory and only passing
>     the respective path via the signal, but I'm still curious how I
>     would do this without writing anything to disk.
>
>     Cheers,
>     frank
>
>
>     On 10/22/2017 09:18 PM, Frank Rueter | OHUfx wrote:
>>     Hi,
>>
>>     I am downloading a few images in a separate thread using QRunnable.
>>     To download I am just using urllib2.urlopen() like this:
>>
>>     [...]
>>         def run(self):
>>             imageData = urllib2.urlopen(self.url).read()
>>             print 'emitted:', imageData
>>             self.signals.receivedData.emit(imageData) # this signal
>>     is declared like this: QtCore.Signal(str)
>>
>>
>>     However, the receiving slot is receiving nothing:
>>
>>         def setPixmap(self, imageData):
>>             print 'received:', imageData
>>             pixmap = QtGui.QPixmap()
>>             pixmap.loadFromData(imageData)
>>             self.data['pixmap'] = pixmap
>>
>>
>>     I guess this is too naive an approach to download image data in a
>>     separate thread?!
>>
>>     How can I fix this please?
>>
>>     Cheers,
>>     frank
>>
>>
>>     -- 
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>>
>>
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