我正在尝试在Anaconda中创建一个新的Python环境。我正在使用Anaconda Powershell Prompt,并使用
conda create --name adwp1 python=3.5 -y;
conda activate adwp1
conda install notebook=4.2.3 -y;
和
pip install notebook=4.2.3
使用conda安装时出现以下错误
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:
- notebook=4.2.3
Current channels:
- 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
To search for alternate channels that may provide the conda package you're
looking for, navigate to
https://anaconda.org
并使用页面顶部的搜索栏。
**当我使用**时pip install
,出现以下错误
错误:无效的要求:'notebook = 4.2.3'提示:=不是有效的运算符。你是说==吗?
该版本的软件包在官方存储库中不可用,因此您必须从其他地方安装它。幸运的是,这在conda-forge
用户维护的存储库中可用。如果您信任软件包的维护者,则只需执行以下操作:
conda install -c conda-forge -y notebook=4.2.3
按照@merv评论,也有可能通过获得这个包恢复自由频道搜索,这基本上可以通过设置来完成1
的CONDA_RESTORE_FREE_CHANNEL
环境变量:
CONDA_RESTORE_FREE_CHANNEL=1 conda install -y notebook=4.2.3
或通过将相应的config标志设置为true
:
conda config --set restore_free_channel true
至于pip
命令而言,这简直是一个错字(如建议在错误信息):替换=
与==
应该做的伎俩:
pip install notebook==4.2.3
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我来说两句