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Use os.path.expanduser("~") to safely expand path and rename dir in directory to avoid dir() redefinition (close #733). #734

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merged 1 commit into from
Jul 4, 2023
Merged

Use os.path.expanduser("~") to safely expand path and rename dir in directory to avoid dir() redefinition (close #733). #734

merged 1 commit into from
Jul 4, 2023

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Vincent-Stragier
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dir is a built-in function in Python, so it should not be used as a variable name. This commit renames dir to directory.

In "Linux", os.path.expanduser("~") returns the user's home directory. This avoids using some hack to find the username and stitch it to /home/ to get the user's home directory. It can be an issue since /home/<USER> is not always the user's home directory, see #733 for more details.

P.S.: I was not able to install the requirements-test.txt dependencies, so I did not run the tests.

@Vincent-Stragier
Use os.path.expanduser("~") to safely expand ...
7868789 
... path and rename `dir` in `directory` to avoid `dir()` redefinition.

`dir` is a built-in function in Python, so it should not be used as a variable name. This commit renames `dir` to `directory`.

In "Linux", `os.path.expanduser("~")` returns the user's home directory. This avoids to use some hack to find the user name and stitch it to
`/home/` to get the user's home directory. It can be an issue since `/home/<USER>` is not always the user's home directory.

Signed-off-by: Vincent Stragier <[email protected]>
@davidplowman davidplowman merged commit b694517 into raspberrypi:next Jul 4, 2023
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@davidplowman
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Thank you very much! Out of interest, what went wrong with the requirements-test.txt? Obviously it would be good if that worked as expected.

@Vincent-Stragier
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You're welcome. It was not able to install PyQt5, and there is no wheel available on piwheels. I think it's because I'm using a customized lite version of the OS.

The error is the following:

[...]
Collecting PyQt5
  Using cached PyQt5-5.15.9.tar.gz (3.2 MB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
    Preparing wheel metadata ... error
    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python /tmp/tmpdt49p82i_in_process.py prepare_metadata_for_build_wheel /tmp/tmp_pcfdr1_
         cwd: /tmp/pip-install-fssss9qv/pyqt5_0e7141ed19684365b300a49084706ff3
    Complete output (31 lines):
    Traceback (most recent call last):
      File "/tmp/tmpdt49p82i_in_process.py", line 126, in prepare_metadata_for_build_wheel
        hook = backend.prepare_metadata_for_build_wheel
    AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "/tmp/tmpdt49p82i_in_process.py", line 280, in <module>
        main()
      File "/tmp/tmpdt49p82i_in_process.py", line 263, in main
        json_out['return_val'] = hook(**hook_input['kwargs'])
      File "/tmp/tmpdt49p82i_in_process.py", line 130, in prepare_metadata_for_build_wheel
        return _get_wheel_metadata_from_wheel(backend, metadata_directory,
      File "/tmp/tmpdt49p82i_in_process.py", line 159, in _get_wheel_metadata_from_wheel
        whl_basename = backend.build_wheel(metadata_directory, config_settings)
      File "/tmp/pip-build-env-bem51h_l/overlay/lib/python3.9/site-packages/sipbuild/api.py", line 46, in build_wheel
        project = AbstractProject.bootstrap('wheel',
      File "/tmp/pip-build-env-bem51h_l/overlay/lib/python3.9/site-packages/sipbuild/abstract_project.py", line 87, in bootstrap
        project.setup(pyproject, tool, tool_description)
      File "/tmp/pip-build-env-bem51h_l/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 586, in setup
        self.apply_user_defaults(tool)
      File "project.py", line 68, in apply_user_defaults
        super().apply_user_defaults(tool)
      File "/tmp/pip-build-env-bem51h_l/overlay/lib/python3.9/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
        super().apply_user_defaults(tool)
      File "/tmp/pip-build-env-bem51h_l/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 237, in apply_user_defaults
        self.builder.apply_user_defaults(tool)
      File "/tmp/pip-build-env-bem51h_l/overlay/lib/python3.9/site-packages/pyqtbuild/builder.py", line 69, in apply_user_defaults
        raise PyProjectOptionException('qmake',
    sipbuild.pyproject.PyProjectOptionException
    ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/5c/46/b4b6eae1e24d9432905ef1d4e7c28b6610e28252527cdc38f2a75997d8b5/PyQt5-5.15.9.tar.gz#sha256=dc41e8401a90dc3e2b692b411bd5492ab559ae27a27424eed4bd3915564ec4c0 (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.7). Command errored out with exit status 1: /usr/bin/python /tmp/tmpdt49p82i_in_process.py prepare_metadata_for_build_wheel /tmp/tmp_pcfdr1_ Check the logs for full command output.
  Using cached PyQt5-5.15.8.tar.gz (3.2 MB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
    Preparing wheel metadata ... error
    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python /tmp/tmp6m3hssov_in_process.py prepare_metadata_for_build_wheel /tmp/tmp3o8e72no
         cwd: /tmp/pip-install-fssss9qv/pyqt5_19d41be805444b88aafd3a8a63cae530
    Complete output (31 lines):
    Traceback (most recent call last):
      File "/tmp/tmp6m3hssov_in_process.py", line 126, in prepare_metadata_for_build_wheel
        hook = backend.prepare_metadata_for_build_wheel
    AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "/tmp/tmp6m3hssov_in_process.py", line 280, in <module>
        main()
      File "/tmp/tmp6m3hssov_in_process.py", line 263, in main
        json_out['return_val'] = hook(**hook_input['kwargs'])
      File "/tmp/tmp6m3hssov_in_process.py", line 130, in prepare_metadata_for_build_wheel
        return _get_wheel_metadata_from_wheel(backend, metadata_directory,
      File "/tmp/tmp6m3hssov_in_process.py", line 159, in _get_wheel_metadata_from_wheel
        whl_basename = backend.build_wheel(metadata_directory, config_settings)
      File "/tmp/pip-build-env-xuhsag7e/overlay/lib/python3.9/site-packages/sipbuild/api.py", line 46, in build_wheel
        project = AbstractProject.bootstrap('wheel',
      File "/tmp/pip-build-env-xuhsag7e/overlay/lib/python3.9/site-packages/sipbuild/abstract_project.py", line 87, in bootstrap
        project.setup(pyproject, tool, tool_description)
      File "/tmp/pip-build-env-xuhsag7e/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 586, in setup
        self.apply_user_defaults(tool)
      File "project.py", line 69, in apply_user_defaults
        super().apply_user_defaults(tool)
      File "/tmp/pip-build-env-xuhsag7e/overlay/lib/python3.9/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
        super().apply_user_defaults(tool)
      File "/tmp/pip-build-env-xuhsag7e/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 237, in apply_user_defaults
        self.builder.apply_user_defaults(tool)
      File "/tmp/pip-build-env-xuhsag7e/overlay/lib/python3.9/site-packages/pyqtbuild/builder.py", line 69, in apply_user_defaults
        raise PyProjectOptionException('qmake',
    sipbuild.pyproject.PyProjectOptionException
    ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/c1/c3/76c52be757e2e07e2f76dfda0e89546a14c1b97004cc7e126851764370b3/PyQt5-5.15.8.tar.gz#sha256=bc85e3efb9135c56c8b88157c8825005fb7cd0f14babd93976778aae82eda360 (from https://pypi.org/simple/pyqt5/) (requires-python:>=3.7). Command errored out with exit status 1: /usr/bin/python /tmp/tmp6m3hssov_in_process.py prepare_metadata_for_build_wheel /tmp/tmp3o8e72no Check the logs for full command output.
[...]

@Vincent-Stragier Vincent-Stragier deleted the fix-user-home-and-dir-redefinition branch July 5, 2023 19:21
@davidplowman
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Hi, thanks for the clarifications. There do seem to be difficulties with different versions of packages in apt and pip, and I often find the pip ones simply don't install (especially so on the 32-bit OS). My advice would be to try installing everything from apt - these are the versions that I (a) know to exist and (b) have tested and normally recommend. It's probably something like sudo apt install python3-pyqt5. But if that requirements file is leading you to fetch the pip version, and it fails, then that's obviously a problem. Not sure what to do there!

@Vincent-Stragier
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Hi,

Thanks. It works for PyQt5, but not for OpenCV. There I needed to use pip with the option --prefer-binary (since there is a more or less old version on piwheels). Note that some dependencies have to be installed with apt.

Details

I've even been to the extent of writing a script to fetch and install the needed dependencies from the piwheels API (e.g., OpenCV headless):

https://github.com/Vincent-Stragier/NaturewatchCameraServer/blob/d3ab409c24ac44fe95269d6dff672a5e9a123b11/helpers/install_piwheels_dependencies.py

https://github.com/Vincent-Stragier/NaturewatchCameraServer/blob/d3ab409c24ac44fe95269d6dff672a5e9a123b11/install.sh#L40-L47

I'll soon be abroad for a summer school, but I'll try to rerun the tests when I'll come back.

@Vincent-Stragier
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Hi,

I got around to running the test, but still no success. It's probably due to the exotic nature of the image I use and the lack of attached display. Anyway, here is what I got:

Out of 72 tests, 42 failed: 
vincent@mynaturewatchcamera:~/picamera2 $ DISPLAY=:0.0 python tools/run_tests.py -d ~/picamera_test -p ~/picamera2/
dir: /home/vincent/picamera_test
Picamera2 dir: /home/vincent/picamera2/
Test list files: ['/home/vincent/picamera2/tests/test_list_drm.txt', '/home/vincent/picamera2/tests/test_list.txt']
Running 72 tests

Running tests in /home/vincent/picamera2/tests/test_list_drm.txt
Running /home/vincent/picamera2/examples/overlay_drm.py...      FAILED
====================    STDOUT    ====================
[0:05:09.773504558] [5496]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:05:09.804624510] [5497]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:05:09.810821997] [5496]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:05:09.811163383] [5497]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    Exception in thread Thread-2:
    Traceback (most recent call last):
      File "/usr/lib/python3.9/threading.py", line 954, in _bootstrap_inner
        self.run()
      File "/usr/lib/python3.9/threading.py", line 892, in run
        self._target(*self._args, **self._kwargs)
      File "/usr/lib/python3/dist-packages/picamera2/previews/null_preview.py", line 29, in thread_func
        callback(picam2)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 75, in handle_request
        picam2.process_requests(self)
      File "/usr/lib/python3/dist-packages/picamera2/picamera2.py", line 1139, in process_requests
        display.render_request(display_request)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 66, in render_request
        self.render_drm(self.picam2, completed_request)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 138, in render_drm
        raise RuntimeError("Failed to reserve DRM plane")
    RuntimeError: Failed to reserve DRM plane
    Traceback (most recent call last):
      File "/home/vincent/picamera2/examples/overlay_drm.py", line 20, in <module>
        picam2.set_overlay(overlay)
      File "/usr/lib/python3/dist-packages/picamera2/picamera2.py", line 1528, in set_overlay
        self._preview.set_overlay(overlay)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 107, in set_overlay
        self.render_drm(self.picam2, self.current)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 138, in render_drm
        raise RuntimeError("Failed to reserve DRM plane")
    RuntimeError: Failed to reserve DRM plane

Running /home/vincent/picamera2/examples/preview_drm.py...      ERROR
             raise runtimeerror("failed to reserve drm plane")
Running /home/vincent/picamera2/tests/drm_stop_restart.py...    TIMED OUT
====================    STDOUT    ====================
[0:05:18.054845287] [5561]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:05:18.085074024] [5562]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:05:18.097965195] [5561]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:05:18.098315711] [5562]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    Exception in thread Thread-2:
    Traceback (most recent call last):
      File "/usr/lib/python3.9/threading.py", line 954, in _bootstrap_inner
        self.run()
      File "/usr/lib/python3.9/threading.py", line 892, in run
        self._target(*self._args, **self._kwargs)
      File "/usr/lib/python3/dist-packages/picamera2/previews/null_preview.py", line 29, in thread_func
        callback(picam2)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 75, in handle_request
        picam2.process_requests(self)
      File "/usr/lib/python3/dist-packages/picamera2/picamera2.py", line 1139, in process_requests
        display.render_request(display_request)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 66, in render_request
        self.render_drm(self.picam2, completed_request)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 138, in render_drm
        raise RuntimeError("Failed to reserve DRM plane")
    RuntimeError: Failed to reserve DRM plane
    Exception in thread Thread-3:
    Traceback (most recent call last):
      File "/usr/lib/python3.9/threading.py", line 954, in _bootstrap_inner
        self.run()
      File "/usr/lib/python3.9/threading.py", line 892, in run
        self._target(*self._args, **self._kwargs)
      File "/usr/lib/python3/dist-packages/picamera2/previews/null_preview.py", line 29, in thread_func
        callback(picam2)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 75, in handle_request
        picam2.process_requests(self)
      File "/usr/lib/python3/dist-packages/picamera2/picamera2.py", line 1139, in process_requests
        display.render_request(display_request)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 66, in render_request
        self.render_drm(self.picam2, completed_request)
      File "/usr/lib/python3/dist-packages/picamera2/previews/drm_preview.py", line 138, in render_drm
        raise RuntimeError("Failed to reserve DRM plane")
    RuntimeError: Failed to reserve DRM plane

Running tests in /home/vincent/picamera2/tests/test_list.txt
Running /home/vincent/picamera2/examples/capture_circular_nooutput.py...        PASSED
Running /home/vincent/picamera2/examples/capture_dng.py...      FAILED
====================    STDOUT    ====================
[0:06:57.391474430] [7067]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:06:57.422262033] [7068]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_dng_and_jpeg.py...     FAILED
====================    STDOUT    ====================
[0:06:58.560389790] [7074]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:06:58.591753617] [7075]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_dng_and_jpeg_helpers.py...     FAILED
====================    STDOUT    ====================
[0:06:59.164440105] [7087]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:06:59.195247488] [7091]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_full_res.py...         FAILED
====================    STDOUT    ====================
[0:06:59.775564896] [7096]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:06:59.806774446] [7103]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_headless.py...         PASSED
Running /home/vincent/picamera2/examples/capture_helpers.py...  FAILED
====================    STDOUT    ====================
[0:07:03.547696638] [7187]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:03.579909803] [7203]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_mjpeg.py...    PASSED
Running /home/vincent/picamera2/examples/capture_old_request.py...      FAILED
====================    STDOUT    ====================
[0:07:15.535699210] [7279]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:15.566669217] [7280]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:07:15.572560778] [7279]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:07:15.572896556] [7280]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_png.py...      FAILED
====================    STDOUT    ====================
[0:07:16.158772157] [7285]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:16.189386182] [7297]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/capture_to_buffer.py...        PASSED
Running /home/vincent/picamera2/examples/capture_video.py...    PASSED
Running /home/vincent/picamera2/examples/capture_video_multiple.py...   FAILED
====================    STDOUT    ====================
[0:07:33.381080684] [7600]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:33.412192479] [7666]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:07:33.418162579] [7600]  INFO Camera camera.cpp:1028 configuring streams: (0) 1280x720-RGB888 (1) 640x480-YUV420
    [0:07:33.418515209] [7666]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1080-SBGGR12_1X12 - Selected unicam format: 2028x1080-pBCC
    Traceback (most recent call last):
      File "/home/vincent/picamera2/examples/capture_video_multiple.py", line 17, in <module>
        picam2.start_recording(encoder2, 'test2.mjpeg', name="lores")
    TypeError: start_recording() got an unexpected keyword argument 'name'

Running /home/vincent/picamera2/examples/capture_video_multiple_2.py...         FAILED
====================    STDOUT    ====================
[0:07:34.526159729] [7695]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:34.556963914] [7707]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:07:34.563212959] [7695]  INFO Camera camera.cpp:1028 configuring streams: (0) 1280x720-RGB888 (1) 640x480-YUV420
    [0:07:34.563540348] [7707]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1080-SBGGR12_1X12 - Selected unicam format: 2028x1080-pBCC
    Traceback (most recent call last):
      File "/home/vincent/picamera2/examples/capture_video_multiple_2.py", line 18, in <module>
        picam2.start_encoder(encoder2, 'test2.mjpeg', name="lores")
    TypeError: start_encoder() got an unexpected keyword argument 'name'

Running /home/vincent/picamera2/examples/controls.py...         FAILED
====================    STDOUT    ====================
[0:07:40.674745802] [7747]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:40.705693268] [7748]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/controls_2.py...       FAILED
====================    STDOUT    ====================
[0:07:41.294906459] [7856]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:41.325528795] [7880]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/display_transform_qtgl.py...   FAILED
====================    STDOUT    ====================
[0:07:41.908585226] [7885]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:41.939635378] [7954]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:07:41.945291459] [7885]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:07:41.945658756] [7954]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/dual_encode.py...      PASSED
Running /home/vincent/picamera2/examples/easy_capture.py...     FAILED
====================    STDOUT    ====================
[0:07:48.780071885] [8066]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:48.810832873] [8067]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:07:48.816094029] [8066]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:07:48.816441566] [8067]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/easy_video.py...       PASSED
Running /home/vincent/picamera2/examples/exposure_fixed.py...   FAILED
====================    STDOUT    ====================
[0:07:55.901149217] [8134]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:07:55.931715930] [8142]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/frame_server.py...     PASSED
Running /home/vincent/picamera2/examples/h264_constant_qp.py...         PASSED
Running /home/vincent/picamera2/examples/metadata.py...         FAILED
====================    STDOUT    ====================
[0:08:09.100240675] [8317]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:09.130488521] [8318]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/mp4_capture.py...      PASSED
Running /home/vincent/picamera2/examples/opencv_face_detect_2.py...     FAILED
====================    STDOUT    ====================
[ERROR:[email protected]] global /tmp/pip-wheel-u79916uk/opencv-python_ea2489746b3a43bfb3f2b5331b7ab47a/opencv/modules/core/src/persistence.cpp (505) open Can't open file: '/usr/share/opencv4/haarcascades/haarcascade_frontalface_default.xml' in read mode
    [0:08:21.370494291] [8404]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:21.401987327] [8405]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/opencv_mertens_merge.py...     PASSED
Running /home/vincent/picamera2/examples/overlay_gl.py...       FAILED
====================    STDOUT    ====================
[0:08:27.677538561] [8483]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:27.707926690] [8490]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:08:27.713709385] [8483]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:08:27.714047608] [8490]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/overlay_null.py...     PASSED
Running /home/vincent/picamera2/examples/overlay_qt.py...       FAILED
====================    STDOUT    ====================
[0:08:32.459081019] [8634]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:32.490946541] [8709]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:08:32.496682588] [8634]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:08:32.497035533] [8709]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/pick_mode.py...        PASSED
Running /home/vincent/picamera2/examples/preview.py...  FAILED
====================    STDOUT    ====================
[0:08:39.477460913] [8846]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:39.508412095] [8847]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/preview_x_forwarding.py...     FAILED
====================    STDOUT    ====================
[0:08:40.084702423] [8852]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:40.115593775] [8853]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/raw.py...      FAILED
====================    STDOUT    ====================
[0:08:40.681809996] [8858]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:40.712616288] [8859]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/rotation.py...         FAILED
====================    STDOUT    ====================
[0:08:41.310695116] [8925]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:41.341516463] [8991]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/still_capture_with_config.py...        FAILED
====================    STDOUT    ====================
[0:08:41.919544185] [8996]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:41.950370043] [9008]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:08:41.955829643] [8996]  INFO Camera camera.cpp:1028 configuring streams: (0) 800x600-YUV420
    [0:08:41.956292955] [9008]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/still_during_video.py...       PASSED
Running /home/vincent/picamera2/examples/switch_mode.py...      FAILED
====================    STDOUT    ====================
[0:08:54.052349532] [9280]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:54.083356796] [9292]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/switch_mode_2.py...    FAILED
====================    STDOUT    ====================
[0:08:54.677507172] [9297]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:54.708768176] [9331]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/title_bar.py...        FAILED
====================    STDOUT    ====================
[0:08:55.278126601] [9336]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:55.310418728] [9337]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:08:55.315610048] [9336]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:08:55.315948719] [9337]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/tuning_file.py...      FAILED
====================    STDOUT    ====================
[0:08:55.902098308] [9342]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:08:55.932997855] [9350]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:08:55.939075158] [9342]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:08:55.939420106] [9350]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/video_with_config.py...        PASSED
Running /home/vincent/picamera2/examples/window_offset.py...    FAILED
====================    STDOUT    ====================
[0:09:02.643132085] [9382]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:09:02.674241299] [9405]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/examples/zoom.py...     FAILED
====================    STDOUT    ====================
[0:09:03.240301696] [9410]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:09:03.271447093] [9411]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/app_dual.py...    SKIPPED
Running /home/vincent/picamera2/tests/app_full_test.py...       FAILED
====================    STDOUT    ====================
[0:09:06.033002260] [9430]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:09:06.064731401] [9436]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:09:06.071389403] [9430]  INFO Camera camera.cpp:1028 configuring streams: (0) 4056x3040-BGR888 (1) 1014x760-YUV420
    [0:09:06.071720446] [9436]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 4056x3040-SBGGR12_1X12 - Selected unicam format: 4056x3040-pBCC
    [0:09:06.095850104] [9430]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 1332x990-SBGGR10_CSI2P
    [0:09:06.096193720] [9436]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 1332x990-SBGGR10_1X10 - Selected unicam format: 1332x990-pBAA
    [0:09:06.118848843] [9430]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 2028x1080-SBGGR12_CSI2P
    [0:09:06.119169849] [9436]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1080-SBGGR12_1X12 - Selected unicam format: 2028x1080-pBCC
    [0:09:06.138838272] [9430]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 2028x1520-SBGGR12_CSI2P
    [0:09:06.139158649] [9436]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    [0:09:06.161856881] [9430]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 4056x3040-SBGGR12_CSI2P
    [0:09:06.162175109] [9436]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 4056x3040-SBGGR12_1X12 - Selected unicam format: 4056x3040-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/app_test.py...    FAILED
====================    STDOUT    ====================
[0:09:07.323075701] [9440]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:09:07.354340647] [9452]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:09:07.360322806] [9440]  INFO Camera camera.cpp:1028 configuring streams: (0) 800x600-XBGR8888
    [0:09:07.360664219] [9452]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/autofocus_test.py...      SKIPPED
Running /home/vincent/picamera2/tests/async_test.py...  PASSED
Running /home/vincent/picamera2/tests/bitrate_check.py...       FAILED
====================    STDOUT    ====================
[0:09:19.967650107] [9533]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:09:19.998555784] [9534]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:09:20.003993556] [9533]  INFO Camera camera.cpp:1028 configuring streams: (0) 1280x720-XBGR8888
    [0:09:20.004364025] [9534]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1080-SBGGR12_1X12 - Selected unicam format: 2028x1080-pBCC
    None None None
    Traceback (most recent call last):
      File "/home/vincent/picamera2/tests/bitrate_check.py", line 35, in <module>
        if bitrate_low >= bitrate_high or bitrate_high != bitrate_high_again:
    TypeError: '>=' not supported between instances of 'NoneType' and 'NoneType'

Running /home/vincent/picamera2/tests/check_timestamps.py...    PASSED
Running /home/vincent/picamera2/tests/close_test.py...  PASSED
Running /home/vincent/picamera2/tests/close_test_multiple.py...         SKIPPED
Running /home/vincent/picamera2/tests/colour_spaces.py...       PASSED
Running /home/vincent/picamera2/tests/configurations.py...      PASSED
Running /home/vincent/picamera2/tests/context_test.py...        PASSED
Running /home/vincent/picamera2/tests/display_transform_null.py...      PASSED
Running /home/vincent/picamera2/tests/display_transform_qt.py...        FAILED
====================    STDOUT    ====================
[0:10:02.364981489] [10423]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:10:02.395773852] [10424]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:10:02.401535239] [10423]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:10:02.402003319] [10424]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/encoder_start_stop.py...  PASSED
Running /home/vincent/picamera2/tests/large_datagram.py...      PASSED
Running /home/vincent/picamera2/tests/mjpeg_server.py...        PASSED
Running /home/vincent/picamera2/tests/mode_test.py...   FAILED
====================    STDOUT    ====================
[0:11:00.636379542] [11247]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:11:00.666915893] [11248]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:11:00.673925862] [11247]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 1332x990-SBGGR10_CSI2P
    [0:11:00.674384984] [11248]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 1332x990-SBGGR10_1X10 - Selected unicam format: 1332x990-pBAA
    [0:11:00.690499774] [11247]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 2028x1080-SBGGR12_CSI2P
    [0:11:00.690957247] [11248]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1080-SBGGR12_1X12 - Selected unicam format: 2028x1080-pBCC
    [0:11:00.710851638] [11247]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 2028x1520-SBGGR12_CSI2P
    [0:11:00.711329796] [11248]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    [0:11:00.734046859] [11247]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888 (1) 4056x3040-SBGGR12_CSI2P
    [0:11:00.734528573] [11248]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 4056x3040-SBGGR12_1X12 - Selected unicam format: 4056x3040-pBCC
    [0:11:00.782564820] [11247]  INFO Camera camera.cpp:1028 configuring streams: (0) 1280x720-XBGR8888 (1) 1332x990-SBGGR10_CSI2P
    [0:11:00.783040774] [11248]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 1332x990-SBGGR10_1X10 - Selected unicam format: 1332x990-pBAA
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/multicamera.py...         SKIPPED
Running /home/vincent/picamera2/tests/multicamera_2.py...       SKIPPED
Running /home/vincent/picamera2/tests/preview_cycle_test.py...  FAILED
====================    STDOUT    ====================
[0:11:02.546479828] [11294]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:11:02.577295811] [11295]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:11:02.583133839] [11294]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:11:02.583612220] [11295]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/preview_location_test.py...       FAILED
====================    STDOUT    ====================
[0:11:04.707055741] [11379]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:11:04.737962674] [11380]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:11:04.743518819] [11379]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:11:04.743855869] [11380]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/preview_start_stop.py...  FAILED
====================    STDOUT    ====================
[0:11:05.312910843] [11385]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:11:05.343378450] [11386]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/qt_gl_preview_test.py...  FAILED
====================    STDOUT    ====================
[0:11:05.907501970] [11391]  INFO Camera camera_manager.cpp:299 libcamera v0.0.4+22-923f5d70
    [0:11:05.938095392] [11392]  INFO RPI raspberrypi.cpp:1476 Registered camera /base/soc/i2c0mux/i2c@1/imx477@1a to Unicam device /dev/media0 and ISP device /dev/media1
    [0:11:05.943747463] [11391]  INFO Camera camera.cpp:1028 configuring streams: (0) 640x480-XBGR8888
    [0:11:05.944120993] [11392]  INFO RPI raspberrypi.cpp:851 Sensor: /base/soc/i2c0mux/i2c@1/imx477@1a - Selected sensor format: 2028x1520-SBGGR12_1X12 - Selected unicam format: 2028x1520-pBCC
    qt.qpa.xcb: could not connect to display :0.0
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
    
    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.
    

Running /home/vincent/picamera2/tests/stop_slow_framerate.py...         ERROR
         error: stop took too long 5.028092861175537 seconds

*** 42 TESTS FAILED! ***

@davidplowman
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Thanks for the feedback. I think there's probably a couple of things going on. Firstly DRM isn't working, IIRC there are some magic runes you can put into your /boot/cmdline.txt to "spoof" the existence of the display. Also your Qt installation seems unhappy, I've found it depressingly easy to end up with incompatible Qt and OpenCV installations unless you get both of them from apt.

But having said all that, maybe a better idea would be to split the tests up a bit better so there are a bunch that can be run easily without any kind of display. I'll put that onto my list of little things to do!! Thanks again.

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2 participants
@Vincent-Stragier @davidplowman