Update dependency openapi-python-client to >=0.28,<0.29

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
openapi-python-client	>=0.25.2,<0.26 -> >=0.28,<0.29

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Release Notes

openapi-generators/openapi-python-client (openapi-python-client)

v0.28.0

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Breaking Changes

• URL-encode path parameters in generated endpoints (#​1349)

Fixes

Fix bad code generation

##​1360 by @​EricAtORS

This fixes:

• missing parenthesis in to_multipart
  #​1338 #​1318
• missing imports in the lazy eval in to_multipart:
  ##​931 and #​1051

Fix optional bodies

If a body is not required (the default), it will now:

1. Have Unset as part of its type annotation.
2. Default to a value of UNSET
3. Not be included in the request if it is UNSET

Thanks @​orelmaliach for the report! Fixes #​1354

v0.27.1

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Fixes

• Remove non-existent CHANGELOG.md references from UV and Poetry templates (#​1344)
• Initialize optional lists as UNSET, not [] (#​1346)
• Correct docstring typos in client template (#​1347)
• Replace bare except blocks with specific exception types (#​1348)

Update uv_build to 0.9

##​1352 by @​johnthagen

uv has been in the 0.9.x release cycle for a while, so update templates to use the corresponding uv_build range.

v0.27.0

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Breaking Changes

Drop support for Python 3.9

Both openapi-python-client itself and any generated clients no longer support Python 3.9.

Generated models now use from __future__ import annotations

This simplifies using forward references with the newer union syntax.

Features

Upgrade generated clients to 3.10 union syntax

All generated types now use the A | B syntax instead of Union[A, B] or Optional[A].

Fixes

• Drop generated requires-python upper bounds for uv and PDM (#​1329)

Change default Ruff hook to --fix-only

This should enable openapi-python-client to keep auto-fixing lints (like removing unused imports) but not fail to
generate when unfixable lints are violated.

Since it's now unlikely for breaking changes to affect our usage (and by popular request), the upper bound of ruff
has been lifted. Newer versions of openapi-python-client should no longer be required to support newer versions of ruff.

Notes

• Minimum Typer version is now 0.16

v0.26.2

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Fixes

• ambigious tilde specifier requires-python with--meta=uv (#​1321)

v0.26.1

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Features

• Reference schema support (#​800) (#​1307)
• Support Ruff 0.13

v0.26.0

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Breaking Changes

Change some union variant names

When creating a union with oneOf, anyOf, or a list of type, the name of each variant used to be type_{index}
where the index is based on the order of the types in the union.

This made some modules difficult to understand, what is a my_type_type_0 after all?
It also meant that reordering union members, while not a breaking change to the API, would be a breaking change
for generated clients.

Now, if an individual variant has a title attribute, that title will be used in the name instead.
This is only an enhancement for documents which use title in union variants, and only a breaking change for
inline models (not #/components/schemas which should already have used more descriptive names).

Thanks @​wallagib for PR #​962!

Features

Support patterned and default HTTP statuses

HTTP statuses like 2XX and default are now supported!

A big thank you to:

• @​PSU3D0 for PR #​973 (eons ago 😅)
• @​obs-gh-peterkolloch for PR #​1300
• @​goodsonjr for PR #​1304

Closes #​1271 and #​832

[!NOTE]
Custom template users: the endpoint.responses type has changed quite a bit. Check out #​1303 for the changes.

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