Setting a default repository breaks dependency resolution for some packages.

[joel-wright]

• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: Ubuntu 18.04
• Poetry version: 1.0.5
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/joel-wright/a92d10e84a46a35ca33764d8bb3210a4

Issue

Setting default = true in [[tool.poetry.source]] for my private pypi repository mirror breaks dependency resolution for scikit-learn. I have recreated the behaviour by providing a named default pointing to the pypi simple index.

Using the above pyproject.toml, poetry add scikit-learn finds no dependencies & installs only the scikit-learn package, and my poetry.lock includes a [package.source] for my explicit default.

Removing default = true gives the correct dependencies (numpy, scipy, joblib & threadpoolctl), but the poetry.lock file does not use my default for any of the packages.

[guderkar]

I got same problem even without default=true

The problematic package is 'cvxopt'. It depends on 'mkl' and 'intel-openmp'

When I do 'poetry add cvxopt' it install only the cvxopt package and not the dependecies.

[huntzhan]

Got same issue here. Looks like the latest version (poetry==1.0.10) has resolved this issue.
Even if upgrading to the latest version (poetry==1.0.10), this issue still exists.

[louwers]

Duplicate: #1160

[yousefissa]

Anyone found a fix for this yet? Still experiencing with poetry==1.0.10

[abn]

I am unable to reproduce this issue with 1.1.3.

$ podman run --rm -i --entrypoint bash python:3.8 <<EOF
> set -e
> python -m pip install -q poetry
> install -d foobar
> pushd foobar
> curl -sLO https://gist.githubusercontent.com/joel-wright/a92d10e84a46a35ca33764d8bb3210a4/raw/48d72688838a850f18e09b8c8fc953818d4d0f9e/pyproject.toml
> poetry add scikit-learn
> EOF
WARNING: You are using pip version 20.2.3; however, version 20.2.4 is available.
You should consider upgrading via the '/usr/local/bin/python -m pip install --upgrade pip' command.
/foobar /
Creating virtualenv test-default-lWDpn5M1-py3.8 in /root/.cache/pypoetry/virtualenvs
Using version ^0.23.2 for scikit-learn

Updating dependencies
Resolving dependencies...

Writing lock file

Package operations: 5 installs, 0 updates, 0 removals

  • Installing numpy (1.19.2)
  • Installing joblib (0.17.0)
  • Installing scipy (1.5.3)
  • Installing threadpoolctl (2.1.0)
  • Installing scikit-learn (0.23.2)

[Korijn]

Could also be caused by #4439

[abn]

This seems to be an issue with metadata identification that was resolved in latest poetry release. You could also try the version on master.

Note that your project must use python = "~3.9" or similar to use the pre-built wheels as scipy might not have the wheels available.

Install Poetry from VCS

pipx install --force --suffix=@git 'poetry @ git+https://github.com/python-poetry/poetry.git'
alias poetry=poetry@git
poetry new foobar
cd foobar
poetry source add --default pypi-simple https://pypi.org/simple/
poetry add scikit-learn

You can also try poetry --no-cache add scikit-learn to ensure there are no cache issues.

[github-actions]

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