Use poetry-core from master as the build system

[ashnair1]

• 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.

Issue

I wanted to see if the recently merged PR python-poetry/poetry-core#192 can solve #4380.
AFAIK the PR hasn’t made it to a release just yet. So how can I specify the build-system in my pyproject.toml to use the latest poetry-core i.e from its master branch.

[kmorrisCAL]

+1 on this issue/question.

I also tried installing both poetry and poetry-core from their respective master branches, and the &subdirectory=mysubdir parameter was not honored.

[stinodego]

So how can I specify the build-system in my pyproject.toml to use the latest poetry-core i.e from its master branch.

@sinoroc answered this question in issue #3419:

[build-system]
requires = ["poetry-core @ git+https://github.com/python-poetry/poetry-core.git"]
build-backend = "poetry.core.masonry.api"

I remember having an issue where I needed the master branch of the build system, and the above helped me.

A few months late, but hopefully it helps anyone who lands on this issue.

EDIT: Thanks for the correction! Updated in my post as well for those who won't read and just copy paste the first code they see 😄

[ashnair1]

Brilliant. Thanks @stinodego. Minor correction regarding the link. It should be

[build-system]
requires = ["poetry-core @ git+https://github.com/python-poetry/poetry-core.git"]
build-backend = "poetry.core.masonry.api"

Side note:
This does allow you to install dependencies (rooted in subfolders) but not manage them. I'm guessing poetry needs to be updated to do so. But if you add the dependency manually to pyproject.toml you can install it (from source and from .tar.gz).

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