fix(sdk): pass extra_headers to validate_credentials in OAICompatLarg…

[TeemoSun]

…eLanguageModel

Ensure extra_headers are accepted by validate_credentials to support custom Host and providers requiring special headers.

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[gemini-code-assist]

Summary of Changes

Hello @TeemoSun, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the credential validation mechanism within the SDK's OpenAI-compatible large language model interface. By enabling the validate_credentials function to accept and utilize extra_headers, it significantly enhances the flexibility and robustness of the system. This ensures that the SDK can seamlessly integrate with a broader range of LLM providers that may require specific HTTP headers for authentication or configuration, thereby improving overall adaptability.

Highlights

• Enhanced Credential Validation: The validate_credentials method in OAICompatibleLargeLanguageModel now correctly processes extra_headers provided in the credentials.
• Improved Provider Compatibility: This change allows the SDK to support custom Host headers and other provider-specific headers during credential validation, increasing compatibility with various OpenAI-compatible LLM providers.

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[gemini-code-assist]

Code Review

This pull request correctly adds support for extra_headers within the validate_credentials method, aligning its behavior with the _generate method and enhancing compatibility with various API providers that require custom headers. My review includes one suggestion to make the implementation more concise and efficient, which could also be applied to other parts of the code for consistency.

[gemini-code-assist]

While the current implementation is correct, it can be made more concise and idiomatic by using dict.update(). This approach modifies the headers dictionary in-place, which is slightly more efficient as it avoids creating a new dictionary object.

For consistency, you might consider applying the same refactoring to the _generate method where a similar pattern exists (lines 415-420).

            extra_headers = credentials.get("extra_headers")
            if extra_headers:
                headers.update(extra_headers)