python-poetry / python-poetry/poetry-plugin-shell
Cannot install poetry shell in latest brew poetry
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Description
As I can see poetry arrives with its own python(not sure about that, but path in error suggest, that is the case) with incompatible set of libraries for some reason
How to reproduce:
- Install latest poetry via brew:
brew install poetry
==> Downloading https://formulae.brew.sh/api/formula.jws.json
==> Downloading https://formulae.brew.sh/api/cask.jws.json
==> Downloading https://ghcr.io/v2/homebrew/core/poetry/manifests/2.1.1
Already downloaded: /Users/keramblock/Library/Caches/Homebrew/downloads/018b2611a6610c5f611e20d5b9f5b630d9184d7cea0cd87592b31232a197639c--poetry-2.1.1.bottle_manifest.json
==> Fetching poetry
==> Downloading https://ghcr.io/v2/homebrew/core/poetry/blobs/sha256:76f0d3cfbe72bf708b1850e114b636e08adf1d25ea6012a435ac3732b0fe557d
Already downloaded: /Users/keramblock/Library/Caches/Homebrew/downloads/52239768717780f3cfa3f16b57a77b4334619b3c0f5448ce34554a8778ff5791--poetry--2.1.1.arm64_sequoia.bottle.tar.gz
==> Pouring poetry--2.1.1.arm64_sequoia.bottle.tar.gz
==> Caveats
zsh completions have been installed to:
/opt/homebrew/share/zsh/site-functions
==> Summary
🍺 /opt/homebrew/Cellar/poetry/2.1.1: 1,472 files, 18.8MB
==> Running `brew cleanup poetry`...
Disable this behaviour by setting HOMEBREW_NO_INSTALL_CLEANUP.
Hide these hints with HOMEBREW_NO_ENV_HINTS (see `man brew`).
- Try to install shell plugin:
poetry self add poetry-plugin-shell
Using version ^1.0.1 for poetry-plugin-shell
Updating dependencies
Resolving dependencies... (0.2s)
Package operations: 3 installs, 24 updates, 0 removals
- Downgrading certifi (2025.1.31 -> 2024.2.2)
- Downgrading idna (3.10 -> 3.7): Failed
CalledProcessError
Command '['/opt/homebrew/Cellar/poetry/2.1.1/libexec/bin/python', '/opt/homebrew/Cellar/poetry/2.1.1/libexec/lib/python3.13/site-packages/virtualenv/seed/wheels/embed/pip-25.0.1-py3-none-any.whl/pip', 'uninstall', 'idna', '-y']' returned non-zero exit status 1.
at /opt/homebrew/Cellar/python@3.13/3.13.2/Frameworks/Python.framework/Versions/3.13/lib/python3.13/subprocess.py:579 in run
575│ # We don't call process.wait() as .__exit__ does that for us.
576│ raise
577│ retcode = process.poll()
578│ if check and retcode:
→ 579│ raise CalledProcessError(retcode, process.args,
580│ output=stdout, stderr=stderr)
581│ return CompletedProcess(process.args, retcode, stdout, stderr)
582│
583│
The following error occurred when trying to handle this error:
EnvCommandError
Command ['/opt/homebrew/Cellar/poetry/2.1.1/libexec/bin/python', '/opt/homebrew/Cellar/poetry/2.1.1/libexec/lib/python3.13/site-packages/virtualenv/seed/wheels/embed/pip-25.0.1-py3-none-any.whl/pip', 'uninstall', 'idna', '-y'] errored with the following return code 1
Output:
Found existing installation: idna 3.10
error: uninstall-no-record-file
× Cannot uninstall idna 3.10
╰─> The package's contents are unknown: no RECORD file was found for idna.
hint: The package was installed by brew. You should check if it can uninstall the package.
at /opt/homebrew/Cellar/poetry/2.1.1/libexec/lib/python3.13/site-packages/poetry/utils/env/base_env.py:434 in _run
430│ output = subprocess.check_output(
431│ cmd, stderr=stderr, env=env, text=True, encoding=encoding, **kwargs
432│ )
433│ except CalledProcessError as e:
→ 434│ raise EnvCommandError(e)
435│
436│ return output
437│
438│ def execute(self, bin: str, *args: str, **kwargs: Any) -> int:
Cannot install idna.
Expected result:
poetry shell plugin is installed
Actual result:
Shell tries to downgrade idna library and fails
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the Homebrew Poetry 2.1.1 setup and run poetry self add poetry-plugin-shell, then inspect poetry/utils/env/base_env.py at the reported _run path and the pip uninstall error. Done means the plugin installs successfully without failing while replacing the brew-installed idna package.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, shell
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 52/100