当我尝试使用 pip（命令“pip install PyQt6”）在 Raspberry Pi 上安装 PyQt6 库时，出现以下错误：
AttributeError: module 'sipbuild.api' has no attribute 'prepare_metadata_for_build_wheel'
这是完整的结果：
Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
Collecting PyQt6
Using cached PyQt6-6.4.2.tar.gz (1.0 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/python3 /tmp/tmpg8vbytn0_in_process.py prepare_metadata_for_build_wheel /tmp/tmpibnxfxlu
cwd: /tmp/pip-install-ahxh_8fa/pyqt6_64f704c0d362442abcae9385cfcd89c0
Complete output (31 lines):
Traceback (most recent call last):
File "/tmp/tmpg8vbytn0_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/tmpg8vbytn0_in_process.py", line 280, in <module>
main()
File "/tmp/tmpg8vbytn0_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/tmp/tmpg8vbytn0_in_process.py", line 130, in prepare_metadata_for_build_wheel
return _get_wheel_metadata_from_wheel(backend, metadata_directory,
File "/tmp/tmpg8vbytn0_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-5i1i4ta7/overlay/lib/python3.9/site-packages/sipbuild/api.py", line 46, in build_wheel
project = AbstractProject.bootstrap('wheel',
File "/tmp/pip-build-env-5i1i4ta7/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-5i1i4ta7/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 585, in setup
self.apply_user_defaults(tool)
File "project.py", line 65, in apply_user_defaults
super().apply_user_defaults(tool)
File "/tmp/pip-build-env-5i1i4ta7/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-5i1i4ta7/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 236, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/tmp/pip-build-env-5i1i4ta7/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/c3/e0/e1b592a6253712721612e2e64a323930a724e1f5cf297ed5ec6d6c86dda1/PyQt6-6.4.2.tar.gz#sha256=740244f608fe15ee1d89695c43f31a14caeca41c4f02ac36c86dfba4a5d5813d (from https://pypi.org/simple/pyqt6/) (requires-python:>=3.6.1). Command errored out with exit status 1: /usr/bin/python3 /tmp/tmpg8vbytn0_in_process.py prepare_metadata_for_build_wheel /tmp/tmpibnxfxlu Check the logs for full command output
我将 pip 从版本 20.3.4 更新到 23.0.1。并且控制台发出如下内容：
Preparing metadata (pyproject.toml) did not run successfully.
完整版：
Defaulting to user installation because normal site-packages is not writeable
Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
Collecting PyQt6
Using cached PyQt6-6.4.2.tar.gz (1.0 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... error
error: subprocess-exited-with-error
× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [22 lines of output]
Traceback (most recent call last):
File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in <module>
main()
File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/usr/local/lib/python3.9/dist-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-rtbrazp0/overlay/lib/python3.9/site-packages/sipbuild/api.py", line 46, in build_wheel
project = AbstractProject.bootstrap('wheel',
File "/tmp/pip-build-env-rtbrazp0/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-rtbrazp0/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 585, in setup
self.apply_user_defaults(tool)
File "project.py", line 65, in apply_user_defaults
super().apply_user_defaults(tool)
File "/tmp/pip-build-env-rtbrazp0/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-rtbrazp0/overlay/lib/python3.9/site-packages/sipbuild/project.py", line 236, in apply_user_defaults
self.builder.apply_user_defaults(tool)
File "/tmp/pip-build-env-rtbrazp0/overlay/lib/python3.9/site-packages/pyqtbuild/builder.py", line 69, in apply_user_defaults
raise PyProjectOptionException('qmake',
sipbuild.pyproject.PyProjectOptionException
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
操作系统：Raspberry Pi 32 位（Raspbian GNU/Linux 11（靶心）），内核 5.15.61-v7+，Python 3.9.2 版本，硬件 Raspberry Pi 3 Model B Rev 1.2 和 Raspberry Pi 4 Model B
感谢您的帮助！
更新： https://www.tal.org/tutorials/building-qt-62-raspberry-pi-raspberry-pi-os