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How can I install Pysde2 in Raspberry pi?

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  • Pablo J. RoginaP Pablo J. Rogina

    @Marianagb said in How can I install Pysde2 in Raspberry pi?:

    Im not able to install Pyside2 on my raspberry

    Unfortunately the official Qt for Python packages using the pip wheel are not available for ARM platform.

    However, if you don't mind using Arch Linux ARM as the OS for your Raspberry Pi device, you can get the packages and tools (rcc, uic, etc.), both for armv7h and aarch64.

    M Offline
    M Offline
    Marianagb
    wrote on last edited by
    #4

    @Pablo-J.-Rogina Can you tell me more about Arch Linux ARM ?

    Pablo J. RoginaP 1 Reply Last reply
    0
    • M Marianagb

      @Pablo-J.-Rogina Can you tell me more about Arch Linux ARM ?

      Pablo J. RoginaP Offline
      Pablo J. RoginaP Offline
      Pablo J. Rogina
      wrote on last edited by
      #5

      @Marianagb it's just another possible Linux distribution you can install on Raspberry Pi devices

      Upvote the answer(s) that helped you solve the issue
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      • SGaistS SGaist

        Hi,

        How did you try to install PySide2 ?

        RG97R Offline
        RG97R Offline
        RG97
        wrote on last edited by
        #6

        @SGaist Is there any way to do it ?

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        0
        • Pablo J. RoginaP Pablo J. Rogina

          @Marianagb said in How can I install Pysde2 in Raspberry pi?:

          Im not able to install Pyside2 on my raspberry

          Unfortunately the official Qt for Python packages using the pip wheel are not available for ARM platform.

          However, if you don't mind using Arch Linux ARM as the OS for your Raspberry Pi device, you can get the packages and tools (rcc, uic, etc.), both for armv7h and aarch64.

          RG97R Offline
          RG97R Offline
          RG97
          wrote on last edited by
          #7

          @Pablo-J.-Rogina I didn't find any relevant information about installing PySide in Arch Linux ARM. Can you please help me out ?

          Pablo J. RoginaP 1 Reply Last reply
          0
          • RG97R RG97

            @Pablo-J.-Rogina I didn't find any relevant information about installing PySide in Arch Linux ARM. Can you please help me out ?

            Pablo J. RoginaP Offline
            Pablo J. RoginaP Offline
            Pablo J. Rogina
            wrote on last edited by
            #8

            @RG97 PySide2 is just like any regular package in Arch Linux ARM

            Upvote the answer(s) that helped you solve the issue
            Use "Topic Tools" button to mark your post as Solved
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            RG97R 2 Replies Last reply
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            • Pablo J. RoginaP Pablo J. Rogina

              @RG97 PySide2 is just like any regular package in Arch Linux ARM

              RG97R Offline
              RG97R Offline
              RG97
              wrote on last edited by
              #9

              @Pablo-J.-Rogina Alright, thanks, I guess I will go with the Arch Linux option only as migrating to C++ for the whole project will be too big of a task. Raspbian buster, which is an ongoing project to create complete Debian os for RPI will also work with PySide2.

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              • Pablo J. RoginaP Pablo J. Rogina

                @RG97 PySide2 is just like any regular package in Arch Linux ARM

                RG97R Offline
                RG97R Offline
                RG97
                wrote on last edited by
                #10

                @Pablo-J.-Rogina Have you tried installing PySide2 in arch linux arm. I installed arch linux in raspberry pi and have been trying to install the pyside2 using pacman manager but had no luck yet :(

                Pablo J. RoginaP 1 Reply Last reply
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                • RG97R RG97

                  @Pablo-J.-Rogina Have you tried installing PySide2 in arch linux arm. I installed arch linux in raspberry pi and have been trying to install the pyside2 using pacman manager but had no luck yet :(

                  Pablo J. RoginaP Offline
                  Pablo J. RoginaP Offline
                  Pablo J. Rogina
                  wrote on last edited by
                  #11

                  @RG97 said

                  Have you tried installing PySide2 in arch linux arm

                  yes I did

                  [alarm@alarmpi ~]$ uname -a
                  Linux alarmpi 4.19.32-1-ARCH #1 SMP PREEMPT Thu Apr 4 00:12:02 UTC 2019 armv7l GNU/Linux
                  
                  [alarm@alarmpi ~]$ pacman -Qlq pyside2
                  ...
                  /usr/include/PySide2/QtCore/
                  /usr/include/PySide2/QtCore/pyside2_qtcore_python.h
                  ...
                  

                  I installed arch linux in raspberry pi

                  Are you talking about Arch Linux ARM, right?

                  and have been trying to install the pyside2 using pacman manager but had no luck yet :(

                  What happened? What error(s) did you get?

                  Upvote the answer(s) that helped you solve the issue
                  Use "Topic Tools" button to mark your post as Solved
                  Add screenshots via postimage.org
                  Don't ask support requests via chat/PM. Please use the forum so others can benefit from the solution in the future

                  RG97R 1 Reply Last reply
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                  • Pablo J. RoginaP Pablo J. Rogina

                    @RG97 said

                    Have you tried installing PySide2 in arch linux arm

                    yes I did

                    [alarm@alarmpi ~]$ uname -a
                    Linux alarmpi 4.19.32-1-ARCH #1 SMP PREEMPT Thu Apr 4 00:12:02 UTC 2019 armv7l GNU/Linux
                    
                    [alarm@alarmpi ~]$ pacman -Qlq pyside2
                    ...
                    /usr/include/PySide2/QtCore/
                    /usr/include/PySide2/QtCore/pyside2_qtcore_python.h
                    ...
                    

                    I installed arch linux in raspberry pi

                    Are you talking about Arch Linux ARM, right?

                    and have been trying to install the pyside2 using pacman manager but had no luck yet :(

                    What happened? What error(s) did you get?

                    RG97R Offline
                    RG97R Offline
                    RG97
                    wrote on last edited by RG97
                    #12

                    @Pablo-J.-Rogina

                    Are you talking about Arch Linux ARM, right?

                    Yes, talking about Arch Linux ARM only.
                    Okay so I was able to install it using pacman manager only

                    [root@alarmpi alarm]# uname -a
                    Linux alarmpi 4.19.46-1-ARCH #1 SMP PREEMPT Thu May 30 13:54:52 UTC 2019 armv7l GNU/Linux
                    
                    [root@alarmpi alarm]#  pacman -Qlq pyside2
                    
                    ...
                    /usr/include/PySide2/QtCore/
                    /usr/include/PySide2/QtCore/pyside2_qtcore_python.h
                    ...
                    
                    

                    But whenever I try to run the following snippet of code

                    #!/usr/bin/python
                    import sys
                    from PySide2.QtWidgets import QApplication, QPushButton
                    from PySide2.QtCore import Slot
                    
                    @Slot()
                    def say_hello():
                     print("Button clicked, Hello!")
                    
                    # Create the Qt Application
                    app = QApplication(sys.argv)
                    # Create a button, connect it and show it
                    button = QPushButton("Click me")
                    button.clicked.connect(say_hello)
                    button.show()
                    # Run the main Qt loop
                    app.exec_()
                    

                    It is showing me this error

                    [root@alarmpi alarm]# python test.py 
                    Bus error (core dumped)
                    
                    

                    Not able to get any clue regarding this.

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #13

                      What version of of PySide2 do you have ?
                      What version of Qt ?
                      Did you try to run an equivalent C++ version of your application ?

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                      RG97R 1 Reply Last reply
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                      • SGaistS SGaist

                        What version of of PySide2 do you have ?
                        What version of Qt ?
                        Did you try to run an equivalent C++ version of your application ?

                        RG97R Offline
                        RG97R Offline
                        RG97
                        wrote on last edited by RG97
                        #14

                        @SGaist

                        What version of of PySide2 do you have ?
                        What version of Qt ?

                        I just installed PySide2 in a freshly installed Arch Linux ARM running on raspberry pi. As far as I know, PySide runs long with Qt version >=5.11 .Correct me if am wrong, I don't need to build the Qt Core separately along with installing PySide2 in order to make it work ?

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #15

                          No you don't have to build anything. But still the exact version will be nice to have.

                          And please, try to build and run a dummy Qt widget application to see if it also fails.

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                          RG97R 1 Reply Last reply
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                          • SGaistS SGaist

                            No you don't have to build anything. But still the exact version will be nice to have.

                            And please, try to build and run a dummy Qt widget application to see if it also fails.

                            RG97R Offline
                            RG97R Offline
                            RG97
                            wrote on last edited by RG97
                            #16

                            @SGaist
                            PySide2 version is 5.12.13.

                            [root@alarmpi alarm]# python3
                            Python 3.7.3 (default, Mar 29 2019, 06:12:40) 
                            [GCC 8.2.1 20181127] on linux
                            Type "help", "copyright", "credits" or "license" for more information.
                            >>> import PySide2
                            >>> print(PySide2.__version__)
                            5.12.3
                            >>> 
                            

                            I tried running simple widget example test2.py as given below

                            import sys
                            from PySide2.QtWidgets import QApplication, QLabel
                            
                            app = QApplication(sys.argv)
                            label = QLabel("Hello World!")
                            label.show()
                            app.exec_()
                            
                            

                            It gave me the same error

                            [root@alarmpi alarm]# python3 test2.py 
                            Bus error (core dumped)
                            
                            
                            1 Reply Last reply
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                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #17

                              That's why I asked you to test the C++ equivalent of your test application. To see whether it's a PySide2 or a mare general issue.

                              Interested in AI ? www.idiap.ch
                              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                              RG97R 1 Reply Last reply
                              0
                              • SGaistS SGaist

                                That's why I asked you to test the C++ equivalent of your test application. To see whether it's a PySide2 or a mare general issue.

                                RG97R Offline
                                RG97R Offline
                                RG97
                                wrote on last edited by
                                #18

                                @SGaist I built one c++ equivalent of a simple widget application for a raspberry pi kit and tried to run that. It gave me the same error i.e. Bus error(core dumped).
                                I use the same kit in Qt Creator to build Qml based C++ apps to be run on raspberry pi running raspbian stretch and those apps run smoothly.

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                                • SGaistS Offline
                                  SGaistS Offline
                                  SGaist
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #19

                                  Are you doing all of that directly on the Pi or are you cross-compiling ?

                                  Interested in AI ? www.idiap.ch
                                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                  0
                                  • RG97R Offline
                                    RG97R Offline
                                    RG97
                                    wrote on last edited by
                                    #20

                                    I am cross compiling the app in a desktop.

                                    1 Reply Last reply
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                                    • SGaistS Offline
                                      SGaistS Offline
                                      SGaist
                                      Lifetime Qt Champion
                                      wrote on last edited by
                                      #21

                                      Then you have at least two versions of Qt on your target.

                                      Where are they located ?

                                      Interested in AI ? www.idiap.ch
                                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                      RG97R 1 Reply Last reply
                                      0
                                      • SGaistS SGaist

                                        Then you have at least two versions of Qt on your target.

                                        Where are they located ?

                                        RG97R Offline
                                        RG97R Offline
                                        RG97
                                        wrote on last edited by
                                        #22

                                        @SGaist I didn't get you exactly. I did a fresh installation of Arch Linux ARM and built PySide2 in it along with the required Qt packages. After doing all this I tried to run a simple PySide2 example and encountered the above error which I mentioned.

                                        Pablo J. RoginaP 1 Reply Last reply
                                        0
                                        • RG97R RG97

                                          @SGaist I didn't get you exactly. I did a fresh installation of Arch Linux ARM and built PySide2 in it along with the required Qt packages. After doing all this I tried to run a simple PySide2 example and encountered the above error which I mentioned.

                                          Pablo J. RoginaP Offline
                                          Pablo J. RoginaP Offline
                                          Pablo J. Rogina
                                          wrote on last edited by
                                          #23

                                          @RG97 said in How can I install Pysde2 in Raspberry pi?:

                                          I did a fresh installation of Arch Linux ARM and built PySide2 in it along with the required Qt packages

                                          Please be aware that I did a fresh installation of Arch Linux ARM and then I've just installed (via pacman) the Pyside2 package, which also installed in the same process the required Qt packages.
                                          Nothing was built in the RPi device (not Qt nor PySide2...)

                                          Upvote the answer(s) that helped you solve the issue
                                          Use "Topic Tools" button to mark your post as Solved
                                          Add screenshots via postimage.org
                                          Don't ask support requests via chat/PM. Please use the forum so others can benefit from the solution in the future

                                          RG97R 1 Reply Last reply
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