Pure: Conda environment name is not shown

[lezuber]

General information

• Pure version: newest via antigen
• ZSH version: 5.5.1
• Terminal program & version: iTerm 3.1.6
• Operating system: macOS Sierra 10.13.3
• ZSH framework: antigen

I have:

• [x] Tested with another terminal program and can reproduce the issue:
• [x] Followed the Integration instructions for my framework

Problem description

The name of a conda environment is not visible. Works with therealklanni/purity
I would love to use your version, but I use conda like every two minutes :/

[masonlr]

This process worked for me:

1. Ensure that the system version of python is active (i.e. not anaconda. To do this you may need to temporarily remove the anaconda PATH modifications from your .zshrc file).

2. Install the theme via node package manager

   brew install node
   npm install --global pure-prompt
   

3. Add the following to your .zshrc file

   autoload -U promptinit; promptinit
   prompt pure
   

4. Restore the anaconda PATH modifications in your .zshrc file.

[lezuber]

Thanks a million!
Update I forgot to mention, sorry for that!:
Switched to Virtualenv to get it working

[mafredri]

I don't know what Conda is, but I'm glad you got it working @Aerotow, thanks @masonlr!

[zshihang]

pure works well with virtualenv, but not for conda. Pure is installed from zplug on my mbp. any solution except the above workaround? thanks. @mafredri

[mafredri]

@shihan9 nothing that I'm aware of.

I tried to investigate this a bit by analyzing the anaconda source code (etc/profile.d/conda.sh and conda/activate.py). We could theoretically add support for anaconda environments (similar to virtualenv) but I found no proper facilities for disabling prompt updates by conda. There's a setting, context.changeps1, that could disable prompt updates, but I have no idea how to set it. And I also don't know for sure exactly what environment variables conda makes available (I'm only guessing).

Either way, I don't use conda and I don't plan on installing it for the purpose of investigating this further. So this is as much as I'll investigate into supporting it, but I would be happy to accept a PR that adds support for it.

[zshihang]

@mafredri thanks for your answer. sorry, I am not familiar with prompt projects and how they work.

I have taken a look at the source code of therealklanni/purity as it is working for conda, but I did not find any code relevant to virtual environment.

[mafredri]

@shihan9 normally prompt projects don't need to support it, per-se. It's conda that modifies the prompt. Pure is a bit special though in how it updates the prompt and erases condas modification.

But it wouldn’t help to not remove the modification either because conda would put it infront of the path instead of the prompt symbol since Pure is multiline.

The only option as I see it would be to either support conda in Pure (but the problem i described previously applies) or to allow prompt modifications to “fall through” to the prompt symbol but that is also likely not without problems.

[VincentMatthys]

To support conda, adding the following lines in
prompt_pure_precmd in pure.zsh does the trick (under ubuntu)

if [[ -n $CONDA_PROMPT_MODIFIER ]]; then
    psvar[12]="$CONDA_PROMPT_MODIFIER"

[minhoolee]

For me, it was CONDA_DEFAULT_ENV that is set when activating a conda environment

if [[ -n $CONDA_DEFAULT_ENV ]]; then
    psvar[12]="$CONDA_DEFAULT_ENV"
fi

[yi-ming-lin]

any plan to fix this officially?

[mafredri]

@yl1991 it was in v1.9.0 (See https://github.com/sindresorhus/pure/pull/440)