Using apt-get in PRE_COMMANDS

[InvincibleRMC]

I'm sure I'm missing something but when I try to use apt-get it says no command apt-get. The reason I want to do this is so I can pip install pyqt6. This is failing because of a qmake error. The internet seems to suggest installing qt6-base-dev manually before using apt-get (or brew if on mac).

[Jayllyz]

Try : pip install PyQt6
MegaLinter doc about pre-commands : https://megalinter.io/latest/config-precommands/

[InvincibleRMC]

It fails with the following error.

Collecting PyQt6
Downloading PyQt6-6.6.1.tar.gz (1.0 MB)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.0/1.0 MB 16.5 MB/s eta 0:00:00
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
Preparing metadata (pyproject.toml): started
Preparing metadata (pyproject.toml): finished with status 'error'
error: subprocess-exited-with-error

× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [26 lines of output]
    pyproject.toml: line 7: using '[tool.sip.metadata]' to specify the project metadata is deprecated and will be removed in SIP v7.0.0, use '[project]' instead
    Traceback (most recent call last):
      File "/venvs/mypy/lib/python3.12/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in <module>
        main()
      File "/venvs/mypy/lib/python3.12/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main
        json_out['return_val'] = hook(**hook_input['kwargs'])
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/venvs/mypy/lib/python3.12/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 152, in prepare_metadata_for_build_wheel
        whl_basename = backend.build_wheel(metadata_directory, config_settings)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/tmp/pip-build-env-aomu3j8c/overlay/lib/python3.12/site-packages/sipbuild/api.py", line 46, in build_wheel
        project = AbstractProject.bootstrap('wheel',
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/tmp/pip-build-env-aomu3j8c/overlay/lib/python3.12/site-packages/sipbuild/abstract_project.py", line 92, in bootstrap
        project.setup(pyproject, tool, tool_description)
      File "/tmp/pip-build-env-aomu3j8c/overlay/lib/python3.12/site-packages/sipbuild/project.py", line 587, in setup
        self.apply_user_defaults(tool)
      File "/tmp/pip-install-zatrlroh/pyqt6_5ece6f0ab94d4d61badd84a252fe12f2/project.py", line 66, in apply_user_defaults
        super().apply_user_defaults(tool)
      File "/tmp/pip-build-env-aomu3j8c/overlay/lib/python3.12/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults
        super().apply_user_defaults(tool)
      File "/tmp/pip-build-env-aomu3j8c/overlay/lib/python3.12/site-packages/sipbuild/project.py", line 237, in apply_user_defaults
        self.builder.apply_user_defaults(tool)
      File "/tmp/pip-build-env-aomu3j8c/overlay/lib/python3.12/site-packages/pyqtbuild/builder.py", line 69, in apply_user_defaults
        raise PyProjectOptionException('qmake',
    sipbuild.pyproject.PyProjectOptionException
    [end of output]

[nvuillam]

@InvincibleRMC apt-get is not available because megalinter is based on alpine linux

Available packages are available at https://pkgs.alpinelinux.org/packages

About your pip error, maybe it requires so dependencies to be previously installed ?

[echoix]

Megalinter is using an Alpine-based image. Alpine uses the apk (alpine package keeper) package manager. Apt, used with apt install or apt-get install is used with Debian-based distros like Ubuntu.

Does using a python package bundled by the OS work for you use case?

I think on alpine it is
https://pkgs.alpinelinux.org/package/v3.19/community/x86_64/py3-qt6

But installing from source might be impossible for you

Here, for pyqt5 https://stackoverflow.com/questions/76266695/cant-install-pyqt5-using-pip-on-alpine-docker, the user wasn't able to compile with 32 GB RAM, it ended up OOM (out of memory).

[echoix]

Haha, @nvuillam was writing when I was writing too. The first missing dependency mentioned in your trace (qmake) could be installed with https://pkgs.alpinelinux.org/package/edge/community/x86_64/qt6-qtbase-dev as mentioned (for qt5) in the SO post I linked to.

[echoix]

For your use case, I see it is for mypy, would a stub-only package be enough?

[InvincibleRMC]

Yeah a stub file would be fine.

[InvincibleRMC]

Thanks everyone for letting me know that is running Alpine Linux not sure how I missed that.

[InvincibleRMC]

Ok finally got it working by using a third party stub package. Since my question has been answered I will close this issue.