Can't install PyQt6 on ARM Alpine-Linux system

[oleksiidn]

Description

I run next command pip install -vvv PyQt6

Successfully installed PyQt-builder-1.19.1 packaging-26.2 setuptools-83.0.0 sip-6.15.3
Removed build tracker: '/tmp/pip-build-tracker-z22l3v14'
Installing build dependencies ... done
Running command Getting requirements to build wheel
Getting requirements to build wheel ... done
Created temporary directory: /tmp/pip-modern-metadata-7mvedttm
Running command Preparing metadata (pyproject.toml)
Querying qmake about your Qt installation...
This is the GPL version of PyQt 6.11.0 (licensed under the GNU General Public License) for Python 3.14.5 on linux.
Type 'L' to view the license.
Type 'yes' to accept the terms of the license.
Type 'no' to decline the terms of the license.

I'm typing
yes
yes
'yes'
y
Y
In the end it failed with memory shortage. It looks like my terms acceptance wasn't accepted or something in background happens, maybe compiling because I see CPU usage and constant memory consumption increase.

Expected behavior

No response

pip version

pip-26.1.1

Python version

3.14.5

OS

PostmarketOS edge

How to Reproduce

Just run pip install -vvv PyQt6 in the current OS version

Output

No response

Code of Conduct

• I agree to follow the PSF Code of Conduct.

[sepehr-rs]

Hi @oleksiidn, thank you for opening this issue!

I don't think this is related to pip. PyQt6 doesn't provide pre-built wheels for ARM on PyPI, so pip has to compile it from source. Compiling Qt bindings from C++ is an extremely memory-intensive process, which is what's causing the OOM on your device.

You might want to use Alpine's package manager instead of pip:

apk add py3-pyqt6