如何修复这个错误？
C:\Users\vanvl\OneDrive\Bureaublad\Progammeren\Project 1.02.2>python
Python 3.9.13 (tags/v3.9.13:6de2ca5, May 17 2022, 16:36:42) [MSC v.1929 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from Custom_Widgets import ProjectMaker
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\vanvl\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\Custom_Widgets\ProjectMaker.py", line 14, in <module>
import cairosvg
File "C:\Users\vanvl\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\cairosvg\__init__.py", line 26, in <module>
from . import surface # noqa isort:skip
File "C:\Users\vanvl\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\cairosvg\surface.py", line 9, in <module>
import cairocffi as cairo
File "C:\Users\vanvl\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\cairocffi\__init__.py", line 48, in <module>
cairo = dlopen(
File "C:\Users\vanvl\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\cairocffi\__init__.py", line 45, in dlopen
raise OSError(error_message) # pragma: no cover
OSError: no library called "cairo-2" was found
no library called "cairo" was found
no library called "libcairo-2" was found
cannot load library 'libcairo.so.2': error 0x7e
cannot load library 'libcairo.2.dylib': error 0x7e
cannot load library 'libcairo-2.dll': error 0x7e
这是一个相当烦人的依赖问题，因为 cairocffi 不是为 Windows 构建的，您需要额外的依赖，如下所述：https://doc.courtbouillon.org/cairocffi/stable/overview.html#installing-cairo-on-windows https://doc.courtbouillon.org/cairocffi/stable/overview.html#installing-cairo-on-windows
更快的解决方案是执行以下操作：
我使用 pipwin 从非官方存储库安装https://www.lfd.uci.edu/~gohlke/pythonlibs/#pycairo https://www.lfd.uci.edu/%7Egohlke/pythonlibs/#pycairo
pip install pipwin
pipwin install cairocffi
另请参阅此相关问题：让 cairosvg 在 Windows 中工作 https://stackoverflow.com/questions/46265677/get-cairosvg-working-in-windows
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