ref(litellm): migrate litellm wrapper to integrations API#160
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| Example: | ||
| ```python | ||
| import braintrust | ||
| braintrust.patch_litellm() |
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-patch_litellm()
+braintrust.integrations.litellm.patch_litellm()
Move the LiteLLM tracing implementation from wrappers/litellm.py into the integrations API under integrations/litellm/. This replaces the manual LiteLLMWrapper class approach with FunctionWrapperPatcher subclasses that use wrapt's wrap_function_wrapper for idempotent monkey-patching. Key changes: - Add integrations/litellm/ with tracing.py, patchers.py, and integration.py following the standard integrations API pattern - Add wrap_litellm() helper that instruments a specific litellm module object using the patchers, complementing the existing patch_litellm() which patches the globally-imported module - Consolidate patcher list into _ALL_PATCHERS, shared by both LiteLLMIntegration.patchers and wrap_litellm() - Reduce wrappers/litellm.py to compatibility re-exports - Move tests and cassettes to integrations/litellm/ - Add cassettes_dir parameter to autoinstrument_test_context
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ref #116
Convert the LiteLLM instrumentation from the legacy wrappers pattern to the new integrations API introduced in #118.
Move the LiteLLM tracing implementation from wrappers/litellm.py into the integrations API under integrations/litellm/. This replaces the manual LiteLLMWrapper class approach with FunctionWrapperPatcher subclasses that use wrapt's wrap_function_wrapper for idempotent monkey-patching.
Key changes: