問題描述

我在 anaconda-navigator 中創建了一個名為 B3 的環境.如果從導航器中啟動它就可以正常工作.

I have created an environment called B3 inside anaconda-navigator. It works fine if launched from within navigator.

但是，當我想在 shell 中激活它時，我得到找不到 environmnet B3".

However, when I want to activate it at the shell, I get 'could not find environmnet B3.'

如果我使用 conda env list，環境是可見的，但它的名稱是空白的.如果我嘗試改用文件路徑，我會得到不是 conda 環境".

If I use conda env list, the environment is visible but its name is blank. If I try using the file path instead, I get 'Not a conda environment.'

為什么缺少名稱，如何從 shell 激活它?

Why is the name missing, and how can I activate it from the shell?

推薦答案

基于名稱的 Conda 環境引用僅適用于位于 envs_dirs 配置選項中列出的目錄之一的環境(請參閱 <代碼>conda config --describe envs_dirs).默認情況下，這對應于 Conda 安裝中的 envs/ 子目錄.如果您在這些目錄之一之外創建環境，則不能使用名稱來引用它.相反，必須通過它的路徑來激活它:

Name-based reference of Conda environments only works for environments located in one of the directories listed in the envs_dirs configuration option (see conda config --describe envs_dirs). By default this corresponds to the envs/ subdirectory in the Conda installation. If you create an env outside of one of these directories, then you cannot use a name to reference it. Instead, one must activate it by its path:

conda activate /home/julianhatwell/anaconda3/envs/B3

請注意，OP 最初有一個錯字(anaconda2 應該是 anaconda3).在指出這一點后(見問題的評論)，提問者要求回答:

Note that OP originally had a typo (anaconda2 should have been anaconda3). After pointing this out (see comments to question), the questioner instead requested an answer to:

如何將無名環境轉換為有名環境?"

以下是啟用基于名稱的激活的可能方法.

The following are possible ways to enabling name-based activation.

使用 conda activate B3 的一個選項是在默認目錄中重新創建 B3 環境.您可以使用 --clone 標志來完成此操作.

One option to use conda activate B3, is to recreate your B3 env in the default directory. You can use the --clone flag to accomplish this.

conda create --clone path/to/the/nameless_env -n named_env

選項2:添加父目錄

或者，您可以將相關環境的父目錄添加到 envs_dirs 配置選項.

conda config --append envs_dirs /path/to/the/parent_dir

選項 3:符號鏈接

另一種可能性是在 envs_dirs 文件夾中創建一個符號鏈接到環境文件夾.它似乎有效，但它不是一種常見的做法，因此它可能具有未報告的缺點.

Option 3: Symbolic Link

Another possibility is to create a symbolic link in one to the envs_dirs folders to the environment folder. It seems to work, but it is not a common practice, so it may have downsides that are unreported.

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