Hi, Could you guys suggest a solution for the problem described in the message attached below? ---------- अग्रेषित संदेश ---------- प्रेषक: "Akshay Verma" <akshay.tva...@yahoo.com> दिनांक: 27/08/2016 10:16 विषय: Error in python multiprocessing! प्रति: प्रतिलिपि:
Hi all, After a lot of searching on the internet, I am looking for help from you guys. I am working on a Qt based GUI which takes in a stream of file paths coming from a separate process and reads those data file for post-processing and plotting. Since post-processing and plotting have become a bit involved, there is a request to improve the performance of the GUI. Currently the GUI takes in the input message with the path of the file and gives a SIGNAL to the Worker thread (Qt thread) to process the file. The processing results are saved in the object for reference and display within the GUI. Simple separation of the threads does not help a lot for intensive processing cases. I had to add a sleep of 1 sec to quick fix the GIL of Python and make the GUI responsive. To improve the solution, I thought of using Multiprocessing for the post-processing task. I am trying to add the task to queue and get back the result in a queue. When I implement this solution, I get '*TypeError: cannot serailize '_io.TextIOWrapper' object'* at the call of start() of the Process. What could be the cause of this error? Is there a better way to solve this issue? Any suggestions are welcome. Regards, Akshay Verma _______________________________________________ BangPypers mailing list BangPypers@python.org https://mail.python.org/mailman/listinfo/bangpypers
