[英]PackagesNotFoundError: The following packages are not available from current channels, AFTER adding conda-forge channel?
[英]conda-forge PackagesNotFoundError for pygraphviz
我正在尝试安装pygraphviz
,但 conda 在频道中找不到它。 以下是我得到的错误。 Conda-forge
已经在频道列表中,我尝试使用-c conda-forge
但仍然无法正常工作。 我也尝试bioconda
频道,但没有奏效。
> 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.
根据文档, Pygraphviz
应该在bioconda和 conda - forge 中,但我仍然找不到 package。 我也更新了 conda conda update conda
,但仍然没有运气。
这里有什么问题吗? 还是我想念的东西?
您从错误的渠道安装它。 做:
conda install -c conda-forge pygraphviz
更新:Windows
在 windows 上安装 pygraphviz 似乎存在挑战。 假设 graphiz 已安装并添加到 Path 中,这是一个单独的程序(不是 python 库),这些解决方案可能有效
# Tom Hanks’ answer
conda install graphviz pygraphviz -c alubbock
请参阅 SO 答案在 Windows 上安装 Pygraphviz
“conda install graphviz pygraphviz -c alubbock”在 Anaconda cme.exe 终端中为我工作(以及使用其他方法的几次失败尝试)。 在其他地方,我也被告知安装 C+ 编译器,我在 Visual Studio 中完成了这项工作。 但也许你可以尝试不安装 C+ 编译器
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