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Cesar GarciaandSameer Kankute
61a84e9fdb
When using LiteLLM's Anthropic /v1/messages endpoint to route requests to
OpenAI models, requests fail if any tool name exceeds OpenAI's 64-character
limit. Anthropic API has no such limit, causing compatibility issues.
Changes:
- Add truncate_tool_name() function using {55-char-prefix}_{8-char-hash} format
- Modify translate_anthropic_tools_to_openai() to truncate and return mapping
- Modify translate_anthropic_tool_choice_to_openai() to truncate tool name
- Restore original tool names in responses using the mapping
- Support tool name restoration in streaming responses
- Add backwards-compatible API (existing methods still work)
The fix only applies when routing Anthropic requests to OpenAI models.
Native Anthropic/Claude requests pass through unchanged.
Testing for litellm/
This directory 1:1 maps the the litellm/ directory, and can only contain mocked tests.
The point of this is to:
- Increase test coverage of
litellm/ - Make it easy for contributors to add tests for the
litellm/package and easily run tests without needing LLM API keys.
File name conventions
litellm/proxy/test_caching_routes.pymaps tolitellm/proxy/caching_routes.pytest_<filename>.pymaps tolitellm/<filename>.py