Python の cairosvg ライブラリを使用すると Windows がエラーを報告する

質問

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.  Additionally, ctypes.util.find_library() did not manage to locate a library called 'libcairo.so.2'
cannot load library 'libcairo.2.dylib': error 0x7e.  Additionally, ctypes.util.find_library() did not manage to locate a library called 'libcairo.2.dylib'
cannot load library 'libcairo-2.dll': error 0x7e.  Additionally, ctypes.util.find_library() did not manage to locate a library called 'libcairo-2.dll'

解決する

Anaconda 環境を使用している場合は、Anaconda プロンプトで次のコマンドを実行して、cairocffi ライブラリをインストールしてみてください。

   conda install -c conda-forge cairocffi