pyrealsense2 on python3 Jetson Xavier NX #6980
Comments
GOBish
changed the title
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@GOBish , If so then you can share a full log for review cmake ../ -DBUILD_PYTHON_BINDINGS:bool=true -DFORCE_RSUSB_BACKEND=ON -DBUILD_WITH_CUDA:bool=true -DPYTHON_EXECUTABLE=/usr/bin/python3 && make -j$(($(nproc)-1)) && sudo make installEdit : |
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sorry, that was just a copy paste error in my post for the last line. The actual command I used only had one -DPYTHON_EXECUTABLE, either -DPYTHON_EXECUTABLE=/usr/bin/python3.6 or -DPYTHON_EXECUTABLE=/usr/bin/python3 or -DPYTHON_EXECUTABLE=/usr/bin/python |
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also, python3-dev is already the newest version (3.6.7-1~18.04). which python3 |
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$ cmake ../ -DBUILD_PYTHON_BINDINGS:bool=true -DFORCE_RSUSB_BACKEND=ON -DBUILD_WITH_CUDA:bool=true -DPYTHON_EXECUTABLE=/usr/bin/python3 && make -j$(($(nproc)-1)) && sudo make install |
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a lot of us are using jetson xavier to make mobile devices.. |
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@GOBish , what Cmake version are you using, Is it 3.12+? If so then the installation path is derived from |
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cmake --version |
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Raising the issue of Cmake got me thinking. I updated to a newer version of Cmake and rebuilt everything, and it now works with python3! Here are the steps I took for updating Cmake on the Xavier: 1.wget http://www.cmake.org/files/v3.13/cmake-3.13.0.tar.gz |
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@GOBish, thank you for letting us know t that it works after updating cmake to 3.12+. |
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Hi @RealSenseSupport @RealSense-Customer-Engineering I am trying to use the python wrapper on the NX in python3. These are the steps I used to build the wrapper from source. I have tried all the solutions posted here but I am still getting a " "ModuleNotFoundError: No module named 'pyrealsense2'"" error when I try to import into python3. Do you guys have any other suggestions for me? |
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Does it work when you try it with just python and not python3? |
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@GOBish nope doesn't work with python or python3 I set DPYTHON_EXECUTABLE=/usr/bin/python3.6 I tried importing from inside the build folder as well. Still no luck. |
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Have you set the pythonpath? export PYTHONPATH=$PYTHONPATH:/usr/local/lib/python2.7/pyrealsense2 |
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Yup, that was it. I did not have it in my path. I set it to /usr/local/lib/python3.6/pyrealsense2 for python3 Thanks for that :D |
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@RealSenseSupport @Drkstr @GOBish |
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@RealSenseSupport @MartyG-RealSense I am having the exact same issue as @IquanKoxinga. I've tried every single tutorial/git I could find to install pyrealsense2 with python3.6. No matter what I try, I cannot get pyrealsense2 installed into my python3.6 path. I have completely run out of options/ideas. FWIW, I can get pyrealsense2 to build into python2.7, but I need it to work with python3.6 in order to use my D455. Please help! |
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@IquanKoxinga @SolidState74 what error are you getting? Did you complete all the steps I have detailed here without error? #6964 (comment) If you have id try trying again with a fresh install of the OS. I know its probably not what you want to hear, but that's what I ended up needs to do during one of my attempts to get the thing working. |
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Hi @SolidState74 If you are using a Jetson: as well as the guide of @Drkstr that has worked for a number of people, there is a new user-contributed Jetson guide that was recently submitted and targets Python 3.6 with its PYTHONPATH. |
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@Drkstr @MartyG-RealSense |
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@SolidState74 there was a point where the “stuff” didn’t show up in the python3 folder for me as well but I was still able to use python3 with the correct pythonpath setting |
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Hi @SolidState74 , let me know if the instructions on #7722 work for you! I might have missed something out and want to make sure it's correct before making a PR. @MartyG-RealSense |
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I followed https://github.com/IntelRealSense/librealsense/issues/6964#issuecomment-707501049 after a fresh OS flash, and everything is now working! Thanks again for the help on this. A couple of details:
I was able to complete the rest of the steps without issue, and a test run of a python script in python3 works perfectly. Thanks again! |
@lieuzhenghong I did not end up following your instructions in this most recent attempt, but I did the other day (thank you for putting that together). I didn't run into any issues with your steps. In the end, I had to reflash my OS to get things working. |
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@SolidState74 glad you got it working :) |
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Yes @SolidState74 It's great to hear of your success. Thanks for the update :) |
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@MartyG-RealSense |
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Hi @IquanKoxinga That's great news - thanks for the update! |
GOBish commentedJul 30, 2020
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edited
I have been trying to install the pyrealsense2 library on the jetson Xavier nx. I have successfully installed it and used it with python2. (note you still cannot use pip or pip3 to get the library for the jetson).
Please see this issue for background: #6449
@MartyG-RealSense has been very helpful in trying to figure this out, but neither of us have been able to.
I cannot get the library to install for python3. Has anyone been able to do it?
Flags I have tried when compiling:
cmake ../ -DBUILD_PYTHON_BINDINGS:bool=true -DFORCE_RSUSB_BACKEND=ON -DBUILD_WITH_CUDA:bool=true
cmake ../ -DBUILD_PYTHON_BINDINGS:bool=true -DFORCE_RSUSB_BACKEND=ON -DBUILD_WITH_CUDA:bool=true -DPYTHON_EXECUTABLE=/usr/bin/python3
cmake ../ -DBUILD_PYTHON_BINDINGS:bool=true -DFORCE_RSUSB_BACKEND=ON -DBUILD_WITH_CUDA:bool=true -DPYTHON_EXECUTABLE=/usr/bin/python3.6
No matter what, the libraries always get installed to the /usr/local/lib/python2.7/pyrealsense2 directory.
If I try to import the library using python3, I get the error
undefined symbol: _Py_ZeroStructHas anyone figured out why this may be happening with the Jetson environment? I could really use the help as I have certain other programs that only work with python3 and I need to be able to use realsense along with those programs.
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