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[英]PackagesNotFoundError: The following packages are not available from current channels, AFTER adding conda-forge channel?
[英]conda-forge PackagesNotFoundError for pygraphviz
我正在嘗試安裝pygraphviz
,但 conda 在頻道中找不到它。 以下是我得到的錯誤。 Conda-forge
已經在頻道列表中,我嘗試使用-c conda-forge
但仍然無法正常工作。 我也嘗試bioconda
頻道,但沒有奏效。
> conda install -c anaconda pygraphviz
Collecting package metadata (current_repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Collecting package metadata (repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
PackagesNotFoundError: The following packages are not available from current channels:
- pygraphviz
Current channels:
- https://conda.anaconda.org/anaconda/win-64
- https://conda.anaconda.org/anaconda/noarch
- https://repo.anaconda.com/pkgs/main/win-64
- https://repo.anaconda.com/pkgs/main/noarch
- https://repo.anaconda.com/pkgs/r/win-64
- https://repo.anaconda.com/pkgs/r/noarch
- https://repo.anaconda.com/pkgs/msys2/win-64
- https://repo.anaconda.com/pkgs/msys2/noarch
- https://conda.anaconda.org/conda-forge/win-64
- https://conda.anaconda.org/conda-forge/noarch
To search for alternate channels that may provide the conda package you're
looking for, navigate to
https://anaconda.org
and use the search bar at the top of the page.
根據文檔, Pygraphviz
應該在bioconda和 conda - forge 中,但我仍然找不到 package。 我也更新了 conda conda update conda
,但仍然沒有運氣。
這里有什么問題嗎? 還是我想念的東西?
您從錯誤的渠道安裝它。 做:
conda install -c conda-forge pygraphviz
更新:Windows
在 windows 上安裝 pygraphviz 似乎存在挑戰。 假設 graphiz 已安裝並添加到 Path 中,這是一個單獨的程序(不是 python 庫),這些解決方案可能有效
# Tom Hanks’ answer
conda install graphviz pygraphviz -c alubbock
請參閱 SO 答案在 Windows 上安裝 Pygraphviz
“conda install graphviz pygraphviz -c alubbock”在 Anaconda cme.exe 終端中為我工作(以及使用其他方法的幾次失敗嘗試)。 在其他地方,我也被告知安裝 C+ 編譯器,我在 Visual Studio 中完成了這項工作。 但也許你可以嘗試不安裝 C+ 編譯器
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