Checks if the parsed version constraint is empty (unsatisfiable).#891
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radoering merged 1 commit intopython-poetry:mainfrom Oct 17, 2025
Merged
Checks if the parsed version constraint is empty (unsatisfiable).#891radoering merged 1 commit intopython-poetry:mainfrom
radoering merged 1 commit intopython-poetry:mainfrom
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Poetry update, lock and install throws: `Could not parse version constraint: <empty>* #10577
Reviewer's guide (collapsed on small PRs)Reviewer's GuideDetect unsatisfiable version constraints by checking for empty parsed constraints and raising a clear InvalidRequirementError, and add corresponding test coverage. Sequence diagram for requirement parsing with empty constraint checksequenceDiagram
participant User
participant Requirement
participant Constraint
participant InvalidRequirementError
User->>Requirement: create Requirement(requirement_string)
Requirement->>Constraint: parse constraint
Constraint-->>Requirement: constraint object
Requirement->>Constraint: is_empty()
alt Constraint is empty
Requirement->>InvalidRequirementError: raise error
else Constraint is not empty
Requirement->>Requirement: set pretty_constraint
end
Class diagram for updated Requirements constraint handlingclassDiagram
class Requirement {
- requirement_string: str
- pretty_constraint: str
+ __init__(requirement_string: str)
}
class Constraint {
+ is_empty() bool
}
class InvalidRequirementError
Requirement --> Constraint : uses
Requirement --> InvalidRequirementError : raises
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radoering
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Oct 17, 2025
This was referenced Jan 17, 2026
mwalbeck
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Jan 19, 2026
This PR contains the following updates: | Package | Update | Change | |---|---|---| | [poetry](https://github.com/python-poetry/poetry) ([changelog](https://python-poetry.org/history/)) | minor | ` 2.2.1` -> `2.3.0` | --- ### Release Notes <details> <summary>python-poetry/poetry (poetry)</summary> ### [`v2.3.0`](https://github.com/python-poetry/poetry/blob/HEAD/CHANGELOG.md#230---2026-01-18) [Compare Source](python-poetry/poetry@2.2.1...2.3.0) ##### Added - **Add support for exporting `pylock.toml` files with `poetry-plugin-export`** ([#​10677](python-poetry/poetry#10677)). - Add support for specifying build constraints for dependencies ([#​10388](python-poetry/poetry#10388)). - Add support for publishing artifacts whose version is determined dynamically by the build-backend ([#​10644](python-poetry/poetry#10644)). - Add support for editable project plugins ([#​10661](python-poetry/poetry#10661)). - Check `requires-poetry` before any other validation ([#​10593](python-poetry/poetry#10593)). - Validate the content of `project.readme` when running `poetry check` ([#​10604](python-poetry/poetry#10604)). - Add the option to clear all caches by making the cache name in `poetry cache clear` optional ([#​10627](python-poetry/poetry#10627)). - Automatically update the cache for packages where the locked files differ from cached files ([#​10657](python-poetry/poetry#10657)). - Suggest to clear the cache if running a command with `--no-cache` solves an issue ([#​10585](python-poetry/poetry#10585)). - Propose `poetry init` when trying `poetry new` for an existing directory ([#​10563](python-poetry/poetry#10563)). - Add support for `poetry publish --skip-existing` for new Nexus OSS versions ([#​10603](python-poetry/poetry#10603)). - Show Poetry's own Python's path in `poetry debug info` ([#​10588](python-poetry/poetry#10588)). ##### Changed - **Drop support for Python 3.9** ([#​10634](python-poetry/poetry#10634)). - **Change the default of `installer.re-resolve` from `true` to `false`** ([#​10622](python-poetry/poetry#10622)). - **PEP 735 dependency groups are considered in the lock file hash** ([#​10621](python-poetry/poetry#10621)). - Deprecate `poetry.utils._compat.metadata`, which is sometimes used in plugins, in favor of `importlib.metadata` ([#​10634](python-poetry/poetry#10634)). - Improve managing free-threaded Python versions with `poetry python` ([#​10606](python-poetry/poetry#10606)). - Prefer JSON API to HTML API in legacy repositories ([#​10672](python-poetry/poetry#10672)). - When running `poetry init`, only add the readme field in the `pyproject.toml` if the readme file exists ([#​10679](python-poetry/poetry#10679)). - Raise an error if no hash can be determined for any distribution link of a package ([#​10673](python-poetry/poetry#10673)). - Require `dulwich>=0.25.0` ([#​10674](python-poetry/poetry#10674)). ##### Fixed - Fix an issue where `poetry remove` did not work for PEP 735 dependency groups with `include-group` items ([#​10587](python-poetry/poetry#10587)). - Fix an issue where `poetry remove` caused dangling `include-group` references in PEP 735 dependency groups ([#​10590](python-poetry/poetry#10590)). - Fix an issue where `poetry add` did not work for PEP 735 dependency groups with `include-group` items ([#​10636](python-poetry/poetry#10636)). - Fix an issue where PEP 735 dependency groups were not considered in the lock file hash ([#​10621](python-poetry/poetry#10621)). - Fix an issue where wrong markers were locked for a dependency that was required by several groups with different markers ([#​10613](python-poetry/poetry#10613)). - Fix an issue where non-deterministic markers were created in a method used by `poetry-plugin-export` ([#​10667](python-poetry/poetry#10667)). - Fix an issue where wrong wheels were chosen for installation in free-threaded Python environments if Poetry itself was not installed with free-threaded Python ([#​10614](python-poetry/poetry#10614)). - Fix an issue where `poetry publish` used the metadata of the project instead of the metadata of the build artifact ([#​10624](python-poetry/poetry#10624)). - Fix an issue where `poetry env use` just used another Python version instead of failing when the requested version was not supported by the project ([#​10685](python-poetry/poetry#10685)). - Fix an issue where `poetry env activate` returned the wrong command for `dash` ([#​10696](python-poetry/poetry#10696)). - Fix an issue where `data-dir` and `python.installation-dir` could not be set ([#​10595](python-poetry/poetry#10595)). - Fix an issue where Python and pip executables were not correctly detected on Windows ([#​10645](python-poetry/poetry#10645)). - Fix an issue where invalid template variables in `virtualenvs.prompt` caused an incomprehensible error message ([#​10648](python-poetry/poetry#10648)). ##### Docs - Add a warning about `~/.netrc` for Poetry credential configuration ([#​10630](python-poetry/poetry#10630)). - Clarify that the local configuration takes precedence over the global configuration ([#​10676](python-poetry/poetry#10676)). - Add an explanation in which cases `packages` are automatically detected ([#​10680](python-poetry/poetry#10680)). ##### poetry-core ([`2.3.0`](https://github.com/python-poetry/poetry-core/releases/tag/2.3.0)) - Normalize versions ([#​893](python-poetry/poetry-core#893)). - Fix an issue where unsatisfiable requirements did not raise an error ([#​891](python-poetry/poetry-core#891)). - Fix an issue where the implicit main group did not exist if it was explicitly declared as not having any dependencies ([#​892](python-poetry/poetry-core#892)). - Fix an issue where `python_full_version` markers with pre-release versions were parsed incorrectly ([#​893](python-poetry/poetry-core#893)). </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xNDYuMCIsInVwZGF0ZWRJblZlciI6IjQxLjE0Ni4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119--> Reviewed-on: https://git.walbeck.it/walbeck-it/docker-python-poetry/pulls/1654 Co-authored-by: renovate-bot <[email protected]> Co-committed-by: renovate-bot <[email protected]>
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Poetry update, lock and install throws: `Could not parse version constraint: <empty>*
Resolves: python-poetry/poetry#10577
Summary by Sourcery
Check for empty (unsatisfiable) version constraints in requirements and raise a specific error
Bug Fixes:
Tests: