LiteLLM Minor Fixes & Improvements (11/23/2024) (#6870)

* feat(pass_through_endpoints/): support logging anthropic/gemini pass through calls to langfuse/s3/etc.

* fix(utils.py): allow disabling end user cost tracking with new param

Allows proxy admin to disable cost tracking for end user - keeps prometheus metrics small

* docs(configs.md): add disable_end_user_cost_tracking reference to docs

* feat(key_management_endpoints.py): add support for restricting access to `/key/generate` by team/proxy level role

Enables admin to restrict key creation, and assign team admins to handle distributing keys

* test(test_key_management.py): add unit testing for personal / team key restriction checks

* docs: add docs on restricting key creation

* docs(finetuned_models.md): add new guide on calling finetuned models

* docs(input.md): cleanup anthropic supported params

Closes https://github.com/BerriAI/litellm/issues/6856

* test(test_embedding.py): add test for passing extra headers via embedding

* feat(cohere/embed): pass client to async embedding

* feat(rerank.py): add `/v1/rerank` if missing for cohere base url

Closes https://github.com/BerriAI/litellm/issues/6844

* fix(main.py): pass extra_headers param to openai

Fixes https://github.com/BerriAI/litellm/issues/6836

* fix(litellm_logging.py): don't disable global callbacks when dynamic callbacks are set

Fixes issue where global callbacks - e.g. prometheus were overriden when langfuse was set dynamically

* fix(handler.py): fix linting error

* fix: fix typing

* build: add conftest to proxy_admin_ui_tests/

* test: fix test

* fix: fix linting errors

* test: fix test

* fix: fix pass through testing

tests/local_testing/test_embedding.py

@@ -1080,3 +1080,34 @@ def test_cohere_img_embeddings(input, input_type):
         assert response.usage.prompt_tokens_details.image_tokens > 0
     else:
         assert response.usage.prompt_tokens_details.text_tokens > 0
+
+
+@pytest.mark.parametrize("sync_mode", [True, False])
+@pytest.mark.asyncio
+async def test_embedding_with_extra_headers(sync_mode):
+
+    input = ["hello world"]
+    from litellm.llms.custom_httpx.http_handler import HTTPHandler, AsyncHTTPHandler
+
+    if sync_mode:
+        client = HTTPHandler()
+    else:
+        client = AsyncHTTPHandler()
+
+    data = {
+        "model": "cohere/embed-english-v3.0",
+        "input": input,
+        "extra_headers": {"my-test-param": "hello-world"},
+        "client": client,
+    }
+    with patch.object(client, "post") as mock_post:
+        try:
+            if sync_mode:
+                embedding(**data)
+            else:
+                await litellm.aembedding(**data)
+        except Exception as e:
+            print(e)
+
+        mock_post.assert_called_once()
+        assert "my-test-param" in mock_post.call_args.kwargs["headers"]