[PyQt] Proper Use of QProgressBar

[AON LAZIO]

Hi,
    How u guys use QProgressBar to properly display a running process?
    For example , if I has this line

    outinput = dosomething(input)

    And it take > 10 mins to complete but I do not know the exact time it
takes .

   I mean do I have to embed QProgressBar in the dosometing() function? Or
should I use QThread.

   What are your experienced solutions?
   Thanks

-- 
Passion is my style
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