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330 | class AnthropicMultiModal(MultiModalLLM):
model: str = Field(description="The Multi-Modal model to use from Anthropic.")
temperature: float = Field(description="The temperature to use for sampling.")
max_tokens: Optional[int] = Field(
description=" The maximum numbers of tokens to generate, ignoring the number of tokens in the prompt",
gt=0,
)
context_window: Optional[int] = Field(
description="The maximum number of context tokens for the model.",
gt=0,
)
max_retries: int = Field(
default=3,
description="Maximum number of retries.",
gte=0,
)
timeout: float = Field(
default=60.0,
description="The timeout, in seconds, for API requests.",
gte=0,
)
api_key: str = Field(
default=None, description="The Anthropic API key.", exclude=True
)
system_prompt: str = Field(default="", description="System Prompt.")
api_base: str = Field(default=None, description="The base URL for Anthropic API.")
api_version: str = Field(description="The API version for Anthropic API.")
additional_kwargs: Dict[str, Any] = Field(
default_factory=dict, description="Additional kwargs for the Anthropic API."
)
default_headers: Dict[str, str] = Field(
default=None, description="The default headers for API requests."
)
_messages_to_prompt: Callable = PrivateAttr()
_completion_to_prompt: Callable = PrivateAttr()
_client: Anthropic = PrivateAttr()
_aclient: AsyncAnthropic = PrivateAttr()
_http_client: Optional[httpx.Client] = PrivateAttr()
def __init__(
self,
model: str = "claude-3-opus-20240229",
temperature: float = DEFAULT_TEMPERATURE,
max_tokens: Optional[int] = 300,
additional_kwargs: Optional[Dict[str, Any]] = None,
context_window: Optional[int] = DEFAULT_CONTEXT_WINDOW,
max_retries: int = 3,
timeout: float = 60.0,
api_key: Optional[str] = None,
api_base: Optional[str] = None,
api_version: Optional[str] = None,
messages_to_prompt: Optional[Callable] = None,
completion_to_prompt: Optional[Callable] = None,
callback_manager: Optional[CallbackManager] = None,
default_headers: Optional[Dict[str, str]] = None,
http_client: Optional[httpx.Client] = None,
system_prompt: Optional[str] = "",
**kwargs: Any,
) -> None:
self._messages_to_prompt = messages_to_prompt or generic_messages_to_prompt
self._completion_to_prompt = completion_to_prompt or (lambda x: x)
api_key, api_base, api_version = resolve_anthropic_credentials(
api_key=api_key,
api_base=api_base,
api_version=api_version,
)
super().__init__(
model=model,
temperature=temperature,
max_tokens=max_tokens,
additional_kwargs=additional_kwargs or {},
context_window=context_window,
max_retries=max_retries,
timeout=timeout,
api_key=api_key,
api_base=api_base,
api_version=api_version,
callback_manager=callback_manager,
default_headers=default_headers,
system_promt=system_prompt,
**kwargs,
)
self._http_client = http_client
self._client, self._aclient = self._get_clients(**kwargs)
def _get_clients(self, **kwargs: Any) -> Tuple[Anthropic, AsyncAnthropic]:
client = Anthropic(**self._get_credential_kwargs())
aclient = AsyncAnthropic(**self._get_credential_kwargs())
return client, aclient
@classmethod
def class_name(cls) -> str:
return "anthropic_multi_modal_llm"
@property
def metadata(self) -> MultiModalLLMMetadata:
"""Multi Modal LLM metadata."""
return MultiModalLLMMetadata(
num_output=self.max_tokens or DEFAULT_NUM_OUTPUTS,
model_name=self.model,
)
def _get_credential_kwargs(self, **kwargs: Any) -> Dict[str, Any]:
return {
"api_key": self.api_key,
"base_url": self.api_base,
"max_retries": self.max_retries,
"timeout": self.timeout,
**kwargs,
}
def _get_multi_modal_chat_messages(
self,
prompt: str,
role: str,
image_documents: Sequence[ImageDocument],
**kwargs: Any,
) -> List[Dict]:
return generate_anthropic_multi_modal_chat_message(
prompt=prompt,
role=role,
image_documents=image_documents,
)
# Model Params for Anthropic Multi Modal model.
def _get_model_kwargs(self, **kwargs: Any) -> Dict[str, Any]:
if self.model not in ANTHROPIC_MULTI_MODAL_MODELS:
raise ValueError(
f"Invalid model {self.model}. "
f"Available models are: {list(ANTHROPIC_MULTI_MODAL_MODELS.keys())}"
)
base_kwargs = {"model": self.model, "temperature": self.temperature, **kwargs}
if self.max_tokens is not None:
base_kwargs["max_tokens"] = self.max_tokens
return {**base_kwargs, **self.additional_kwargs}
def _get_response_token_counts(self, raw_response: Any) -> dict:
"""Get the token usage reported by the response."""
if not isinstance(raw_response, dict):
return {}
usage = raw_response.get("usage", {})
# NOTE: other model providers that use the Anthropic client may not report usage
if usage is None:
return {}
return {
"prompt_tokens": usage.get("prompt_tokens", 0),
"completion_tokens": usage.get("completion_tokens", 0),
"total_tokens": usage.get("total_tokens", 0),
}
def _complete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponse:
all_kwargs = self._get_model_kwargs(**kwargs)
message_dict = self._get_multi_modal_chat_messages(
prompt=prompt, role=MessageRole.USER, image_documents=image_documents
)
response = self._client.messages.create(
messages=message_dict,
system=self.system_prompt,
stream=False,
**all_kwargs,
)
return CompletionResponse(
text=response.content[0].text,
raw=response,
additional_kwargs=self._get_response_token_counts(response),
)
def _stream_complete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponseGen:
all_kwargs = self._get_model_kwargs(**kwargs)
message_dict = self._get_multi_modal_chat_messages(
prompt=prompt, role=MessageRole.USER, image_documents=image_documents
)
def gen() -> CompletionResponseGen:
text = ""
for response in self._client.messages.create(
messages=message_dict,
stream=True,
system=self.system_prompt,
**all_kwargs,
):
if isinstance(response, ContentBlockDeltaEvent):
# update using deltas
content_delta = response.delta.text or ""
text += content_delta
yield CompletionResponse(
delta=content_delta,
text=text,
raw=response,
additional_kwargs=self._get_response_token_counts(response),
)
return gen()
def complete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponse:
return self._complete(prompt, image_documents, **kwargs)
def stream_complete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponseGen:
return self._stream_complete(prompt, image_documents, **kwargs)
def chat(
self,
**kwargs: Any,
) -> Any:
raise NotImplementedError("This function is not yet implemented.")
def stream_chat(
self,
**kwargs: Any,
) -> Any:
raise NotImplementedError("This function is not yet implemented.")
# ===== Async Endpoints =====
async def _acomplete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponse:
all_kwargs = self._get_model_kwargs(**kwargs)
message_dict = self._get_multi_modal_chat_messages(
prompt=prompt, role=MessageRole.USER, image_documents=image_documents
)
response = await self._aclient.messages.create(
messages=message_dict,
stream=False,
system=self.system_prompt,
**all_kwargs,
)
return CompletionResponse(
text=response.content[0].text,
raw=response,
additional_kwargs=self._get_response_token_counts(response),
)
async def acomplete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponse:
return await self._acomplete(prompt, image_documents, **kwargs)
async def _astream_complete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponseAsyncGen:
all_kwargs = self._get_model_kwargs(**kwargs)
message_dict = self._get_multi_modal_chat_messages(
prompt=prompt, role=MessageRole.USER, image_documents=image_documents
)
async def gen() -> CompletionResponseAsyncGen:
text = ""
async for response in await self._aclient.messages.create(
messages=message_dict,
stream=True,
system=self.system_prompt,
**all_kwargs,
):
if isinstance(response, ContentBlockDeltaEvent):
# update using deltas
content_delta = response.delta.text or ""
text += content_delta
yield CompletionResponse(
delta=content_delta,
text=text,
raw=response,
additional_kwargs=self._get_response_token_counts(response),
)
return gen()
async def astream_complete(
self, prompt: str, image_documents: Sequence[ImageDocument], **kwargs: Any
) -> CompletionResponseAsyncGen:
return await self._astream_complete(prompt, image_documents, **kwargs)
async def achat(self, **kwargs: Any) -> Any:
raise NotImplementedError("This function is not yet implemented.")
async def astream_chat(self, **kwargs: Any) -> Any:
raise NotImplementedError("This function is not yet implemented.")
|