Config: Disable environment prompt when using shell

[MooseV2]

• I have searched the issues of this repo and believe that this is not a duplicate.
• I have searched the documentation and believe that my question is not covered.

Feature Request

Recently, a feature was added that allows poetry shell to modify the prompt (PS1 in some shells) to show the current environment. See #1642.

However, this conflicts with prompts that already show the environment, causing text duplication.

A configuration option to prevent the prompt from being modified would resolve this.

My configuration

OS: macOS Catalina 10.15.1
Shell: Fish 3.0.2
Poetry: 1.0.0

[MooseV2]

Ah, upon further research, I have discovered the environment variable, VIRTUAL_ENV_DISABLE_PROMPT.

Because Poetry uses Virtualenv internally, exporting this with export VIRTUAL_ENV_DISABLE_PROMPT=1 (or in Fish, set -x VIRTUAL_ENV_DISABLE_PROMPT 1) appears to resolve this issue.

Perhaps this is a documentation issue instead? People who are using Poetry as a turnkey solution shouldn't have to dig into the internal workings (ie virtualenv).

Otherwise, a config variable could set VIRTUAL_ENV_DISABLE_PROMPT before spawning the virtualenv when poetry shell is issued.

[grisaitis]

I second this.

I would also like a config variable to prevent the PS1 modification. Or at least document it.

In my situation, I use bash-it to have a cute shell prompt. poetry shell totally vanquishes this.

Where would this setting be (@MooseV2)? in the [tools.poetry] section of pyproject.toml? [tools.poetry.env]?

[hyunlee1o]

I have this problem, i use powerline_shell and i am getting two times the virtualenv name.
Please fix this. :)
I have added set -x VIRTUAL_ENV_DISABLE_PROMPT 1 to my ~/.config/fish/config.fish and it works.

[neersighted]

Poetry just uses upstream virtualenv -- as such, this is a docs issue.

[matiaslagoevia]

Hello, I'd like to tackle this issue if possible. If so, could I have some guidance of the updates needed for the docs? I'd be happy to groom the issue further with assistance, thanks!

[tamakiii]

Setting virtualenv.prompt config worked for me.

python3 -m poetry config --list
python3 -m poetry config --local --list
python3 -m poetry config virtualenvs.prompt

python3 -m poetry config --local virtualenvs.promptpython3 -m poetry config --local virtualenvs.prompt null

https://gist.github.com/tamakiii/6946265e53872882d2114b1a50bb828a

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