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python - Beeware 'briefcase create' 要求 cairo >= 1.15.10

转载 作者:行者123 更新时间:2023-12-03 10:00:16 24 4
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我正在关注 Beeware 教程,但无法“创建公文包”。
在某些时候,它显示了这一点:

Collecting pygobject>=3.14.0
Downloading PyGObject-3.38.0.tar.gz (712 kB)
|████████████████████████████████| 712 kB 6.9 MB/s
Installing build dependencies ... error
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3.8 /usr/local/lib/python3.8/dist-packages/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-6esqaemw/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel pycairo
cwd: None
Complete output (36 lines):
WARNING: The directory '/home/brutus/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting setuptools
Downloading setuptools-50.3.2-py3-none-any.whl (785 kB)
Collecting wheel
Downloading wheel-0.35.1-py2.py3-none-any.whl (33 kB)
Collecting pycairo
Downloading pycairo-1.20.0.tar.gz (344 kB)
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 wheel metadata: started
Preparing wheel metadata: finished with status 'done'
Building wheels for collected packages: pycairo
Building wheel for pycairo (PEP 517): started
Building wheel for pycairo (PEP 517): finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3.8 /usr/local/lib/python3.8/dist-packages/pip/_vendor/pep517/_in_process.py build_wheel /tmp/tmp426eh9du
cwd: /tmp/pip-install-rmj9v5en/pycairo
Complete output (12 lines):
running bdist_wheel
running build
running build_py
creating build
creating build/lib.linux-x86_64-3.8
creating build/lib.linux-x86_64-3.8/cairo
copying cairo/__init__.py -> build/lib.linux-x86_64-3.8/cairo
copying cairo/__init__.pyi -> build/lib.linux-x86_64-3.8/cairo
copying cairo/py.typed -> build/lib.linux-x86_64-3.8/cairo
running build_ext
Requested 'cairo >= 1.15.10' but version of cairo is 1.14.6
Command '['pkg-config', '--print-errors', '--exists', 'cairo >= 1.15.10']' returned non-zero exit status 1.
----------------------------------------
ERROR: Failed building wheel for pycairo
Failed to build pycairo
ERROR: Could not build wheels for pycairo which use PEP 517 and cannot be installed directly
----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python3.8 /usr/local/lib/python3.8/dist-packages/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-6esqaemw/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel pycairo Check the logs for full command output.
Unable to install dependencies. This may be because one of your dependencies is invalid, or because pip was unable to connect to the PyPI server.
我相信主要问题是
 Requested 'cairo >= 1.15.10' but version of cairo is 1.14.6
但我不明白的是,如果我只安装了 cairo 1.20.0,那么是 cairo 1.14.6。
我尝试更新 docker,重新安装 cairo 和 pycairo,更新了 python 包,但错误仍然存​​在。

最佳答案

Beeware 构建过程正在尝试安装 pycairo 包裹。这个包只是 cairo 图形库 (libcairo2) 的 python 接口(interface)。
pycairo changelog显示, 的最新版本 1.20.0 pycairo , 这需要 开罗 (libcairo2) 版本 1.15.10+。
如果你幸运的话,你可以简单地将你的 cairo 包更新到满足要求的版本。信息在官网cairographics.org/download/ .
我和你有同样的问题。就我而言,我再次被提醒将我的操作系统升级到更新版本的 Ubuntu,因为 cairo 包 libcairo2 仅在 Ubuntu 16.04 LTS 官方 PPA 中的 14.6 版本中可用。在 Ubuntu 20.04 LTS 中可用的 libcairo2 是 16.0。我怀疑你有一个类似的操作系统,因为你安装的 cairo 版本和我的一样。

关于python - Beeware 'briefcase create' 要求 cairo >= 1.15.10,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/64739729/

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