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@adrianlizarraga / @skottmckay, mind taking a look at this one whenever you can? Fills in some missing language bindings for that recently added API to get compat info from the model metadata. Thanks! |
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Pull request overview
Adds Python and C# bindings (plus tests) for the new C API helpers that extract EP compatibility info from a model’s metadata, enabling compatibility checks without creating an inference session.
Changes:
- Added Python pybind exports for
GetCompatibilityInfoFromModel/GetCompatibilityInfoFromModelBytesand expanded Python EP-compatibility tests. - Added C#
OrtEnvAPIs and native interop delegates for the two compatibility-info extraction functions. - Added C# unit tests for new APIs (mostly argument/error-path coverage) and test utilities to generate minimal ONNX models with metadata.
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| onnxruntime/test/python/onnxruntime_test_python_ep_compatibility.py | Adds model-bytes and file-path Python tests for compatibility-info extraction. |
| onnxruntime/python/onnxruntime_pybind_state.cc | Exposes new C API helpers to Python via pybind and documents them. |
| csharp/test/Microsoft.ML.OnnxRuntime.Tests.Common/EpCompatibilityTests.cs | Adds C# tests and an ONNX model builder helper for metadata-based compatibility info. |
| csharp/src/Microsoft.ML.OnnxRuntime/OrtEnv.shared.cs | Adds public C# OrtEnv methods to extract compatibility info from model path/bytes. |
| csharp/src/Microsoft.ML.OnnxRuntime/NativeMethods.shared.cs | Wires new C API function pointers and delegates into the C# interop layer. |
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csharp/test/Microsoft.ML.OnnxRuntime.Tests.Common/EpCompatibilityTests.cs
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adrianlizarraga
previously approved these changes
Mar 12, 2026
adrianlizarraga
approved these changes
Mar 14, 2026
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Description
This change adds C# and Python language bindings and tests for the recently-introduced GetCompatibilityInfoFromModel / GetCompatibilityInfoFromModelBytes API.
Motivation and Context
#27015 introduced a new API to facilitate getting the model compatibility information from the metadata of a model (either a file or the model bytes). For convenience, we should ideally have some other language bindings included to make consumption a little easier.