How to activate different anaconda environment from powershell

Question

I have two environments in anaconda, namely: root, 2env. When I open anaconda prompt, I can switch from root to 2env by typing: activate 2env. I also have conda in my powershell, but when I open powershell and try to run conda activate 2env it gives the following error:

CommandNotFoundError: 'activate'

Any suggestions on how to fix this?

Solution 1

Although Conda previously did not support PowerShell, this is now resolved in Conda 4.6.

After adding Anaconda3/Scripts/ to your PATH variable, you should be able to initialize Conda for use with powershell with:

conda init powershell

Afterwards, you can use conda normally:

conda activate base

Solution 2

I found this solution:

I've been building on BCSharp's excellent work at my own repo (currently on PR).

Just do: conda install -n root -c pscondaenvs pscondaenvs

You need Conda 4.1 or above (check with conda info conda) - otherwise please install the latest version.

Behavior is exactly like CMD - use activate or deactivate appropriately. It's completely backwards compatible and will also launch both .ps1 and .bat activate.d/deactivate.d scripts.

from https://github.com/conda/conda/issues/626#issuecomment-346224990 has worked really well for me.

Solution 3

I have been battling this issue for a while. I found a solution by using a batch script and calling call activate %env%. I hope this can help somebody.

Comments

[Seanny123]

This no longer works with Conda 4.6, which resolves issue #626.

[GoingMyWay]

It cannot activate the virtualenv.

[jCisco]

@GoingMyWay Conda 4.6.14 is functional

[not2qubit]

If for some reason you are using a custom prompt (for something else), it gets messed up by the activate. But you can fix it, if you're good at PS profile hacking and adding: if ("$env:CONDA_PROMPT_MODIFIER" -match "(base)") { ... }.

[Seanny123]

@not2qubit I think that would be a valid question-answer pair which you could link to

[wordsforthewise]

Does conda init powershell need to be run from powershell, or can it be run from a command prompt?