LiteLLM OpenAI-compatible client. LiteLLM exposes an OpenAI-compatible API surface, so we can reuse almost all OpenAIClient behavior while overriding only the client initialization. Expected environment variables: LITELLM_BASE_URL=http://litellm:4000 LITELLM_API_KEY=s
| 6 | |
| 7 | |
| 8 | class LiteLLMClient(OpenAIClient): |
| 9 | """ |
| 10 | LiteLLM OpenAI-compatible client. |
| 11 | |
| 12 | LiteLLM exposes an OpenAI-compatible API surface, so we can |
| 13 | reuse almost all OpenAIClient behavior while overriding only |
| 14 | the client initialization. |
| 15 | |
| 16 | Expected environment variables: |
| 17 | |
| 18 | LITELLM_BASE_URL=http://litellm:4000 |
| 19 | LITELLM_API_KEY=sk-1234 |
| 20 | |
| 21 | Example model names: |
| 22 | openai/gpt-4o |
| 23 | anthropic/claude-3-5-sonnet |
| 24 | gemini/gemini-2.5-pro |
| 25 | ollama/llama3 |
| 26 | """ |
| 27 | |
| 28 | def __init__( |
| 29 | self, |
| 30 | api_key: Optional[str] = None, |
| 31 | chat_completion_parser: Optional[Callable] = None, |
| 32 | input_type: str = "text", |
| 33 | base_url: Optional[str] = None, |
| 34 | env_base_url_name: str = "LITELLM_BASE_URL", |
| 35 | env_api_key_name: str = "LITELLM_API_KEY", |
| 36 | ): |
| 37 | resolved_base_url = base_url or os.getenv(env_base_url_name, "http://localhost:4000") |
| 38 | if not resolved_base_url.endswith("/v1"): |
| 39 | resolved_base_url = f"{resolved_base_url.rstrip('/')}/v1" |
| 40 | super().__init__( |
| 41 | api_key=api_key, |
| 42 | chat_completion_parser=chat_completion_parser, |
| 43 | input_type=input_type, |
| 44 | base_url=resolved_base_url, |
| 45 | env_base_url_name=env_base_url_name, |
| 46 | env_api_key_name=env_api_key_name, |
| 47 | ) |
| 48 | |
| 49 | def init_sync_client(self): |
| 50 | """ |
| 51 | Initialize synchronous LiteLLM OpenAI-compatible client. |
| 52 | """ |
| 53 | api_key = self._api_key or os.getenv(self._env_api_key_name, "dummy") |
| 54 | return OpenAI( |
| 55 | api_key=api_key, |
| 56 | base_url=self.base_url, |
| 57 | ) |
| 58 | |
| 59 | def init_async_client(self): |
| 60 | """ |
| 61 | Initialize asynchronous LiteLLM OpenAI-compatible client. |
| 62 | """ |
| 63 | api_key = self._api_key or os.getenv(self._env_api_key_name, "dummy") |
| 64 | return AsyncOpenAI( |
| 65 | api_key=api_key, |
no outgoing calls
no test coverage detected