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An empty multimarker is AnyMarker, not EmptyMarker #534

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merged 1 commit into from
Nov 30, 2022

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@dimbleby dimbleby commented Nov 29, 2022

spotted via the symmetry being broken, unit test added to show the point

Every addition to a MultiMarker makes the result smaller, so an empty MultiMarker is best viewed as AnyMarker, not EmptyMarker.

As perhaps another convincer, MultiMarker.of() discards AnyMarkers. So MultiMarker.of(AnyMarker()) - not that this is likely to happen - needs to be the same as MultiMarker.of() - and the first of these obviously needs to be AnyMarker()

@dimbleby dimbleby changed the title An empty multimarker is AnyMarker, not EmptyMarker() An empty multimarker is AnyMarker, not EmptyMarker Nov 29, 2022
@dimbleby dimbleby force-pushed the fix-empty-multi-marker branch 2 times, most recently from 6530ced to 5f8e0d4 Compare November 29, 2022 23:03
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sonarcloud bot commented Nov 29, 2022

Kudos, SonarCloud Quality Gate passed!    Quality Gate passed

Bug A 0 Bugs
Vulnerability A 0 Vulnerabilities
Security Hotspot A 0 Security Hotspots
Code Smell A 0 Code Smells

No Coverage information No Coverage information
0.0% 0.0% Duplication

@radoering radoering merged commit 51e625d into python-poetry:main Nov 30, 2022
@dimbleby dimbleby deleted the fix-empty-multi-marker branch November 30, 2022 17:09
@radoering radoering mentioned this pull request Jan 24, 2023
mwalbeck pushed a commit to mwalbeck/docker-python-poetry that referenced this pull request Feb 28, 2023
This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [poetry](https://python-poetry.org/) ([source](https://github.com/python-poetry/poetry), [changelog](https://python-poetry.org/history/)) | minor | `1.3.2` -> `1.4.0` |

---

### Release Notes

<details>
<summary>python-poetry/poetry</summary>

### [`v1.4.0`](https://github.com/python-poetry/poetry/blob/HEAD/CHANGELOG.md#&#8203;140---2023-02-27)

[Compare Source](python-poetry/poetry@1.3.2...1.4.0)

##### Added

-   **Add a modern installer (`installer.modern-installation`) for faster installation of packages and independence from pip** ([#&#8203;6205](python-poetry/poetry#6205)).
-   Add support for `Private ::` trove classifiers ([#&#8203;7271](python-poetry/poetry#7271)).
-   Add the version of poetry in the `@generated` comment at the beginning of the lock file ([#&#8203;7339](python-poetry/poetry#7339)).
-   Add support for `virtualenvs.prefer-active-python` when running `poetry new` and `poetry init` ([#&#8203;7100](python-poetry/poetry#7100)).

##### Changed

-   **Deprecate the old installer, i.e. setting `experimental.new-installer` to `false`** ([#&#8203;7358](python-poetry/poetry#7358)).
-   Remove unused `platform` field from cached package info and bump the cache version ([#&#8203;7304](python-poetry/poetry#7304)).
-   Extra dependencies of the root project are now sorted in the lock file ([#&#8203;7375](python-poetry/poetry#7375)).
-   Remove upper boundary for `importlib-metadata` dependency ([#&#8203;7434](python-poetry/poetry#7434)).
-   Validate path dependencies during use instead of during construction ([#&#8203;6844](python-poetry/poetry#6844)).
-   Remove the deprecated `repository` modules ([#&#8203;7468](python-poetry/poetry#7468)).

##### Fixed

-   Fix an issue where an unconditional dependency of an extra was not installed in specific environments ([#&#8203;7175](python-poetry/poetry#7175)).
-   Fix an issue where a pre-release of a dependency was chosen even if a stable release fulfilled the constraint ([#&#8203;7225](python-poetry/poetry#7225), [#&#8203;7236](python-poetry/poetry#7236)).
-   Fix an issue where HTTP redirects were not handled correctly during publishing ([#&#8203;7160](python-poetry/poetry#7160)).
-   Fix an issue where `poetry check` did not handle the `-C, --directory` option correctly ([#&#8203;7241](python-poetry/poetry#7241)).
-   Fix an issue where the subdirectory information of a git dependency was not written to the lock file ([#&#8203;7367](python-poetry/poetry#7367)).
-   Fix an issue where the wrong Python version was selected when creating an virtual environment ([#&#8203;7221](python-poetry/poetry#7221)).
-   Fix an issue where packages that should be kept were uninstalled when calling `poetry install --sync` ([#&#8203;7389](python-poetry/poetry#7389)).
-   Fix an issue where an incorrect value was set for `sys.argv[0]` when running installed scripts ([#&#8203;6737](python-poetry/poetry#6737)).
-   Fix an issue where hashes in `direct_url.json` files were not written according to the specification ([#&#8203;7475](python-poetry/poetry#7475)).
-   Fix an issue where poetry commands failed due to special characters in the path of the project or virtual environment ([#&#8203;7471](python-poetry/poetry#7471)).
-   Fix an issue where poetry crashed with a `JSONDecodeError` when running a Python script that produced certain warnings ([#&#8203;6665](python-poetry/poetry#6665)).

##### Docs

-   Add advice on how to maintain a poetry plugin ([#&#8203;6977](python-poetry/poetry#6977)).
-   Update tox examples to comply with the latest tox release ([#&#8203;7341](python-poetry/poetry#7341)).
-   Mention that the `poetry export` can export `constraints.txt` files ([#&#8203;7383](python-poetry/poetry#7383)).
-   Add clarifications for moving configuration files ([#&#8203;6864](python-poetry/poetry#6864)).
-   Mention the different types of exact version specifications ([#&#8203;7503](python-poetry/poetry#7503)).

##### poetry-core ([`1.5.1`](https://github.com/python-poetry/poetry-core/releases/tag/1.5.1))

-   Improve marker handling ([#&#8203;528](python-poetry/poetry-core#528),
    [#&#8203;534](python-poetry/poetry-core#534),
    [#&#8203;530](python-poetry/poetry-core#530),
    [#&#8203;546](python-poetry/poetry-core#546),
    [#&#8203;547](python-poetry/poetry-core#547)).
-   Validate whether dependencies referenced in `extras` are defined in the main dependency group ([#&#8203;542](python-poetry/poetry-core#542)).
-   Poetry no longer generates a `setup.py` file in sdists by default ([#&#8203;318](python-poetry/poetry-core#318)).
-   Fix an issue where trailing newlines were allowed in `tool.poetry.description` ([#&#8203;505](python-poetry/poetry-core#505)).
-   Fix an issue where the name of the data folder in wheels was not normalized ([#&#8203;532](python-poetry/poetry-core#532)).
-   Fix an issue where the order of entries in the RECORD file was not deterministic ([#&#8203;545](python-poetry/poetry-core#545)).
-   Fix an issue where zero padding was not correctly handled in version comparisons ([#&#8203;540](python-poetry/poetry-core#540)).
-   Fix an issue where sdist builds did not support multiple READMEs ([#&#8203;486](python-poetry/poetry-core#486)).

##### poetry-plugin-export ([`^1.3.0`](https://github.com/python-poetry/poetry-plugin-export/releases/tag/1.3.0))

-   Fix an issue where the export failed if there was a circular dependency on the root package ([#&#8203;118](python-poetry/poetry-plugin-export#118)).

</details>

---

### Configuration

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♻ **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:eyJjcmVhdGVkSW5WZXIiOiIzNC4xNTIuNSIsInVwZGF0ZWRJblZlciI6IjM0LjE1Mi41In0=-->

Reviewed-on: https://git.walbeck.it/walbeck-it/docker-python-poetry/pulls/655
Co-authored-by: renovate-bot <[email protected]>
Co-committed-by: renovate-bot <[email protected]>
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