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LCORE-4703: Implemented OpenAI inference provider - #2960
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WalkthroughThe inference package now includes an OpenAI provider. It configures the provider, discovers models, infers model types, creates LLM and embedding models, and rejects rerank creation. Unit tests cover provider configuration and these behaviors. ChangesOpenAI inference provider
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Feature Merge Risk: 🟡 Moderate · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Performance And Algorithmic Complexity |  |
The new OpenAI discovery path performs an unbounded list operation without pagination or a limit. src/providers/inference/openai/provider.py:50 calls client.models.list() once and :51-56 process… |
Update _discover_models to consume all pages through the OpenAI client's async pagination support, or apply an explicit bounded limit when the configured behavior permits it. Add a test that returns multiple pages and verifies that discov… |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly identifies the primary change: implementation of the OpenAI inference provider. Docstring Coverage Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 19 functions across 8 files. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Security And Secret Handling PASSED. In src/providers/inference/openai/provider.py:38-41, the API key comes fromSecretStr.get_secret_value()and is passed toOpenAIProvider; it is not hardcoded or logged. The only changed …Full details: Security And Secret Handling
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Explanation
PASSED. In
src/providers/inference/openai/provider.py:38-41, the API key comes fromSecretStr.get_secret_value()and is passed toOpenAIProvider; it is not hardcoded or logged. The only changed API call is the authenticated OpenAI models request at lines 50-51. The diff adds no API endpoint, SQL/command/path handling, sensitive response or log output, or Kubernetes Secret/RH Secret manifest. Test-onlytest-keyvalues are dummy fixtures.
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Full details: Performance And Algorithmic Complexity
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Explanation
The new OpenAI discovery path performs an unbounded list operation without pagination or a limit.
src/providers/inference/openai/provider.py:50callsclient.models.list()once and:51-56processes onlyresponse.data. The OpenAI models endpoint is paginated, so discovery can omit models after the first page and can load an unnecessarily large page into memory. The added test attests/unit/providers/inference/openai/test_provider.py:69also locks in a no-argument, single-page call.Resolution
Update
_discover_modelsto consume all pages through the OpenAI client's async pagination support, or apply an explicit bounded limit when the configured behavior permits it. Add a test that returns multiple pages and verifies that discovery handles the page boundary without extra unbounded work.
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Actionable comments posted: 3
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Inline comments:
Review comments at @src/providers/inference/openai/provider.py:
- Around line 53-54: Update automatic model discovery around _infer_model_type
to exclude models whose capabilities are unsupported instead of defaulting
unknown IDs to "llm"; preserve the explicit configuration path for custom LLM
IDs.
Review comments at @tests/unit/providers/inference/openai/test_provider.py:
- Line 109: Update the assertion in the test using model._provider to avoid an
unsuppressed protected-member access: assert the provider configuration through
a public API, or add a targeted W0212 suppression if identity must be checked.
- Around line 16-17: Rename the `provider` fixture function to avoid shadowing
the `provider` test parameters, while preserving its injected fixture name with
`@pytest.fixture(name="provider")`. Update any references to the function itself
as needed.
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📒 Files selected for processing: 8
src/providers/inference/base.pysrc/providers/inference/model_type_inference.pysrc/providers/inference/openai/__init__.pysrc/providers/inference/openai/provider.pysrc/providers/inference/registry.pytests/unit/providers/inference/openai/__init__.pytests/unit/providers/inference/openai/test_provider.pytests/unit/providers/inference/test_model_type_inference.py
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📚 Code guidelines: 1
AGENTS.md — auto-discovered
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Source excerpt: Package `__init__.py` files contain brief package descriptions
📄 CodeRabbit inference engine (AGENTS.md)
Files:
tests/unit/providers/inference/openai/__init__.pysrc/providers/inference/openai/__init__.py
🧠 Learnings: 1
📚 Learning: 2026-07-21T11:10:05.060Z
Learnt from: are-ces
Repo: lightspeed-core/lightspeed-stack PR: 2162
File: src/a2a_client/__init__.py:3-9
Timestamp: 2026-07-21T11:10:05.060Z
Learning: In this repository, it is acceptable for Python package `__init__.py` files to contain functional code (not only docstrings/metadata) and to perform package-level re-exports. Do not flag `__init__.py` solely for containing imports or other logic used to re-export symbols; this is allowed when it’s implemented via imports and `__all__` (or otherwise clearly intended to define the package’s public API).
Applied to files:
src/providers/inference/openai/__init__.py
🪛 GitHub Actions: Python linter / 0_Pylinter.txt
tests/unit/providers/inference/openai/test_provider.py
[error] 32-32: Command 'uv run pylint src tests' failed with exit code 4. Pylint W0621: Redefining name 'provider' from outer scope (line 17) (redefined-outer-name).
[error] 51-51: Command 'uv run pylint src tests' failed with exit code 4. Pylint W0621: Redefining name 'provider' from outer scope (line 17) (redefined-outer-name).
[error] 73-73: Command 'uv run pylint src tests' failed with exit code 4. Pylint W0621: Redefining name 'provider' from outer scope (line 17) (redefined-outer-name).
[error] 93-93: Command 'uv run pylint src tests' failed with exit code 4. Pylint W0621: Redefining name 'provider' from outer scope (line 17) (redefined-outer-name).
[error] 109-109: Command 'uv run pylint src tests' failed with exit code 4. Pylint W0212: Access to a protected member _provider of a client class (protected-access).
[error] 113-113: Command 'uv run pylint src tests' failed with exit code 4. Pylint W0621: Redefining name 'provider' from outer scope (line 17) (redefined-outer-name).
🪛 GitHub Actions: Python linter / Pylinter
tests/unit/providers/inference/openai/test_provider.py
[error] 32-113: Command 'uv run pylint src tests' failed with exit code 4 due to Pylint warnings: W0621 (redefined-outer-name) at lines 32, 51, 73, 93, and 113; W0212 (protected-access) at line 109.
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Description
Adds the OpenAI inference provider (
OpenAIInferenceProvider) backed by Pydantic AI:OpenAIProviderfrom configured API key and base URLOpenAIResponsesModel) and embedding (OpenAIEmbeddingModel) instancesModelTypeNotSupportedErrormodel_type_inference)PROVIDER_CLASSES_get_provideron the inference ABC for initialized PAI provider accessUnit tests cover discovery, catalog allow-list behavior, creators, and model-type inference.
Type of change
pyproject.toml+uv.lock]requirements.*.txtfor Konflux]Tools used to create PR
Related Tickets & Documents
Checklist before requesting a review
Testing
uv run pytest tests/unit/providers/inference/openai tests/unit/providers/inference/test_model_type_inference.py -quv run make format && uv run make verify(or targeted pyright/ruff/pydocstyle on touched files)Summary by CodeRabbit