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Disable Poetry "package mode" #145

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Apr 26, 2025
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@per1234 per1234 commented Apr 26, 2025

The project's Python package dependencies are managed using the Poetry tool.

By default, Poetry is configured in "package mode", which is intended for use with projects that are a Python package. When Poetry is used in a project like this that is a standalone script, this configuration is in appropriate and has the following effects:

Installing the project as a package is completely inappropriate if the project is not a package, and may cause the command to fail with a cryptic error. This can be avoided by passing the --no-root flag to the install command, but that increases the usage complexity and chance for user error.

Although metadata fields under the tool.poetry section of the pyproject.toml configuration file are important for a package, in a non-package project there are better ways to provide that information. Since Git tags are used for versioning, the presence of a version field is especially harmful since it means duplication of information and extra work for the project maintainer (and likelihood the metadata will not be kept updated).

This "package mode" can be disabled via the pyproject.toml configuration file, which causes Poetry to operate purely in the sole capacity in which it is used by this project: to manage dependencies.

The project's Python package dependencies are managed using the Poetry tool.

By default, Poetry is configured in "package mode", which is intended for use with projects that are a Python package.
When Poetry is used in a project like this that is a standalone script, this configuration is inappropriate and has the
following effects:

* `poetry install` command installs the project as a Python package in addition to the dependencies.
* `name`, `version`, `description`, and `authors` fields of the pyproject.toml file are required.

Installing the project as a package is completely inappropriate if the project is not a package, and may cause the
command to fail with a cryptic error. This can be avoided by passing the `--no-root` flag to the `install` command, but
that increases the usage complexity and chance for user error.

Although metadata fields under the `tool.poetry` section of the pyproject.toml configuration file are important for a
package, in a non-package project there are better ways to provide that information. Since Git tags are used for
versioning, the presence of a `version` field is especially harmful since it means duplication of information and extra
work for the project maintainer (and likelihood the metadata will not be kept updated).

This "package mode" can be disabled via the pyproject.toml configuration file, which causes Poetry to operate purely in
the sole capacity in which it is used by this project: to manage dependencies.
@per1234 per1234 added type: imperfection Perceived defect in any part of project topic: infrastructure Related to project infrastructure labels Apr 26, 2025
@per1234 per1234 self-assigned this Apr 26, 2025
@per1234 per1234 merged commit a3c3ecb into arduino:master Apr 26, 2025
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@per1234 per1234 deleted the package-mode branch April 26, 2025 11:06
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