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""" | |
Handles embedding calls to Bedrock's `/invoke` endpoint | |
""" | |
import copy | |
import json | |
from typing import Any, Callable, List, Optional, Tuple, Union | |
import httpx | |
import litellm | |
from litellm.llms.cohere.embed.handler import embedding as cohere_embedding | |
from litellm.llms.custom_httpx.http_handler import ( | |
AsyncHTTPHandler, | |
HTTPHandler, | |
_get_httpx_client, | |
get_async_httpx_client, | |
) | |
from litellm.secret_managers.main import get_secret | |
from litellm.types.llms.bedrock import AmazonEmbeddingRequest, CohereEmbeddingRequest | |
from litellm.types.utils import EmbeddingResponse | |
from ..base_aws_llm import BaseAWSLLM | |
from ..common_utils import BedrockError | |
from .amazon_titan_g1_transformation import AmazonTitanG1Config | |
from .amazon_titan_multimodal_transformation import ( | |
AmazonTitanMultimodalEmbeddingG1Config, | |
) | |
from .amazon_titan_v2_transformation import AmazonTitanV2Config | |
from .cohere_transformation import BedrockCohereEmbeddingConfig | |
class BedrockEmbedding(BaseAWSLLM): | |
def _load_credentials( | |
self, | |
optional_params: dict, | |
) -> Tuple[Any, str]: | |
try: | |
from botocore.credentials import Credentials | |
except ImportError: | |
raise ImportError("Missing boto3 to call bedrock. Run 'pip install boto3'.") | |
## CREDENTIALS ## | |
# pop aws_secret_access_key, aws_access_key_id, aws_session_token, aws_region_name from kwargs, since completion calls fail with them | |
aws_secret_access_key = optional_params.pop("aws_secret_access_key", None) | |
aws_access_key_id = optional_params.pop("aws_access_key_id", None) | |
aws_session_token = optional_params.pop("aws_session_token", None) | |
aws_region_name = optional_params.pop("aws_region_name", None) | |
aws_role_name = optional_params.pop("aws_role_name", None) | |
aws_session_name = optional_params.pop("aws_session_name", None) | |
aws_profile_name = optional_params.pop("aws_profile_name", None) | |
aws_web_identity_token = optional_params.pop("aws_web_identity_token", None) | |
aws_sts_endpoint = optional_params.pop("aws_sts_endpoint", None) | |
### SET REGION NAME ### | |
if aws_region_name is None: | |
# check env # | |
litellm_aws_region_name = get_secret("AWS_REGION_NAME", None) | |
if litellm_aws_region_name is not None and isinstance( | |
litellm_aws_region_name, str | |
): | |
aws_region_name = litellm_aws_region_name | |
standard_aws_region_name = get_secret("AWS_REGION", None) | |
if standard_aws_region_name is not None and isinstance( | |
standard_aws_region_name, str | |
): | |
aws_region_name = standard_aws_region_name | |
if aws_region_name is None: | |
aws_region_name = "us-west-2" | |
credentials: Credentials = self.get_credentials( | |
aws_access_key_id=aws_access_key_id, | |
aws_secret_access_key=aws_secret_access_key, | |
aws_session_token=aws_session_token, | |
aws_region_name=aws_region_name, | |
aws_session_name=aws_session_name, | |
aws_profile_name=aws_profile_name, | |
aws_role_name=aws_role_name, | |
aws_web_identity_token=aws_web_identity_token, | |
aws_sts_endpoint=aws_sts_endpoint, | |
) | |
return credentials, aws_region_name | |
async def async_embeddings(self): | |
pass | |
def _make_sync_call( | |
self, | |
client: Optional[HTTPHandler], | |
timeout: Optional[Union[float, httpx.Timeout]], | |
api_base: str, | |
headers: dict, | |
data: dict, | |
) -> dict: | |
if client is None or not isinstance(client, HTTPHandler): | |
_params = {} | |
if timeout is not None: | |
if isinstance(timeout, float) or isinstance(timeout, int): | |
timeout = httpx.Timeout(timeout) | |
_params["timeout"] = timeout | |
client = _get_httpx_client(_params) # type: ignore | |
else: | |
client = client | |
try: | |
response = client.post(url=api_base, headers=headers, data=json.dumps(data)) # type: ignore | |
response.raise_for_status() | |
except httpx.HTTPStatusError as err: | |
error_code = err.response.status_code | |
raise BedrockError(status_code=error_code, message=err.response.text) | |
except httpx.TimeoutException: | |
raise BedrockError(status_code=408, message="Timeout error occurred.") | |
return response.json() | |
async def _make_async_call( | |
self, | |
client: Optional[AsyncHTTPHandler], | |
timeout: Optional[Union[float, httpx.Timeout]], | |
api_base: str, | |
headers: dict, | |
data: dict, | |
) -> dict: | |
if client is None or not isinstance(client, AsyncHTTPHandler): | |
_params = {} | |
if timeout is not None: | |
if isinstance(timeout, float) or isinstance(timeout, int): | |
timeout = httpx.Timeout(timeout) | |
_params["timeout"] = timeout | |
client = get_async_httpx_client( | |
params=_params, llm_provider=litellm.LlmProviders.BEDROCK | |
) | |
else: | |
client = client | |
try: | |
response = await client.post(url=api_base, headers=headers, data=json.dumps(data)) # type: ignore | |
response.raise_for_status() | |
except httpx.HTTPStatusError as err: | |
error_code = err.response.status_code | |
raise BedrockError(status_code=error_code, message=err.response.text) | |
except httpx.TimeoutException: | |
raise BedrockError(status_code=408, message="Timeout error occurred.") | |
return response.json() | |
def _single_func_embeddings( | |
self, | |
client: Optional[HTTPHandler], | |
timeout: Optional[Union[float, httpx.Timeout]], | |
batch_data: List[dict], | |
credentials: Any, | |
extra_headers: Optional[dict], | |
endpoint_url: str, | |
aws_region_name: str, | |
model: str, | |
logging_obj: Any, | |
): | |
try: | |
from botocore.auth import SigV4Auth | |
from botocore.awsrequest import AWSRequest | |
except ImportError: | |
raise ImportError("Missing boto3 to call bedrock. Run 'pip install boto3'.") | |
responses: List[dict] = [] | |
for data in batch_data: | |
sigv4 = SigV4Auth(credentials, "bedrock", aws_region_name) | |
headers = {"Content-Type": "application/json"} | |
if extra_headers is not None: | |
headers = {"Content-Type": "application/json", **extra_headers} | |
request = AWSRequest( | |
method="POST", url=endpoint_url, data=json.dumps(data), headers=headers | |
) | |
sigv4.add_auth(request) | |
if ( | |
extra_headers is not None and "Authorization" in extra_headers | |
): # prevent sigv4 from overwriting the auth header | |
request.headers["Authorization"] = extra_headers["Authorization"] | |
prepped = request.prepare() | |
## LOGGING | |
logging_obj.pre_call( | |
input=data, | |
api_key="", | |
additional_args={ | |
"complete_input_dict": data, | |
"api_base": prepped.url, | |
"headers": prepped.headers, | |
}, | |
) | |
response = self._make_sync_call( | |
client=client, | |
timeout=timeout, | |
api_base=prepped.url, | |
headers=prepped.headers, # type: ignore | |
data=data, | |
) | |
## LOGGING | |
logging_obj.post_call( | |
input=data, | |
api_key="", | |
original_response=response, | |
additional_args={"complete_input_dict": data}, | |
) | |
responses.append(response) | |
returned_response: Optional[EmbeddingResponse] = None | |
## TRANSFORM RESPONSE ## | |
if model == "amazon.titan-embed-image-v1": | |
returned_response = ( | |
AmazonTitanMultimodalEmbeddingG1Config()._transform_response( | |
response_list=responses, model=model | |
) | |
) | |
elif model == "amazon.titan-embed-text-v1": | |
returned_response = AmazonTitanG1Config()._transform_response( | |
response_list=responses, model=model | |
) | |
elif model == "amazon.titan-embed-text-v2:0": | |
returned_response = AmazonTitanV2Config()._transform_response( | |
response_list=responses, model=model | |
) | |
if returned_response is None: | |
raise Exception( | |
"Unable to map model response to known provider format. model={}".format( | |
model | |
) | |
) | |
return returned_response | |
async def _async_single_func_embeddings( | |
self, | |
client: Optional[AsyncHTTPHandler], | |
timeout: Optional[Union[float, httpx.Timeout]], | |
batch_data: List[dict], | |
credentials: Any, | |
extra_headers: Optional[dict], | |
endpoint_url: str, | |
aws_region_name: str, | |
model: str, | |
logging_obj: Any, | |
): | |
try: | |
from botocore.auth import SigV4Auth | |
from botocore.awsrequest import AWSRequest | |
except ImportError: | |
raise ImportError("Missing boto3 to call bedrock. Run 'pip install boto3'.") | |
responses: List[dict] = [] | |
for data in batch_data: | |
sigv4 = SigV4Auth(credentials, "bedrock", aws_region_name) | |
headers = {"Content-Type": "application/json"} | |
if extra_headers is not None: | |
headers = {"Content-Type": "application/json", **extra_headers} | |
request = AWSRequest( | |
method="POST", url=endpoint_url, data=json.dumps(data), headers=headers | |
) | |
sigv4.add_auth(request) | |
if ( | |
extra_headers is not None and "Authorization" in extra_headers | |
): # prevent sigv4 from overwriting the auth header | |
request.headers["Authorization"] = extra_headers["Authorization"] | |
prepped = request.prepare() | |
## LOGGING | |
logging_obj.pre_call( | |
input=data, | |
api_key="", | |
additional_args={ | |
"complete_input_dict": data, | |
"api_base": prepped.url, | |
"headers": prepped.headers, | |
}, | |
) | |
response = await self._make_async_call( | |
client=client, | |
timeout=timeout, | |
api_base=prepped.url, | |
headers=prepped.headers, # type: ignore | |
data=data, | |
) | |
## LOGGING | |
logging_obj.post_call( | |
input=data, | |
api_key="", | |
original_response=response, | |
additional_args={"complete_input_dict": data}, | |
) | |
responses.append(response) | |
returned_response: Optional[EmbeddingResponse] = None | |
## TRANSFORM RESPONSE ## | |
if model == "amazon.titan-embed-image-v1": | |
returned_response = ( | |
AmazonTitanMultimodalEmbeddingG1Config()._transform_response( | |
response_list=responses, model=model | |
) | |
) | |
elif model == "amazon.titan-embed-text-v1": | |
returned_response = AmazonTitanG1Config()._transform_response( | |
response_list=responses, model=model | |
) | |
elif model == "amazon.titan-embed-text-v2:0": | |
returned_response = AmazonTitanV2Config()._transform_response( | |
response_list=responses, model=model | |
) | |
if returned_response is None: | |
raise Exception( | |
"Unable to map model response to known provider format. model={}".format( | |
model | |
) | |
) | |
return returned_response | |
def embeddings( | |
self, | |
model: str, | |
input: List[str], | |
api_base: Optional[str], | |
model_response: EmbeddingResponse, | |
print_verbose: Callable, | |
encoding, | |
logging_obj, | |
client: Optional[Union[HTTPHandler, AsyncHTTPHandler]], | |
timeout: Optional[Union[float, httpx.Timeout]], | |
aembedding: Optional[bool], | |
extra_headers: Optional[dict], | |
optional_params: dict, | |
litellm_params: dict, | |
) -> EmbeddingResponse: | |
try: | |
from botocore.auth import SigV4Auth | |
from botocore.awsrequest import AWSRequest | |
except ImportError: | |
raise ImportError("Missing boto3 to call bedrock. Run 'pip install boto3'.") | |
credentials, aws_region_name = self._load_credentials(optional_params) | |
### TRANSFORMATION ### | |
provider = model.split(".")[0] | |
inference_params = copy.deepcopy(optional_params) | |
inference_params = { | |
k: v | |
for k, v in inference_params.items() | |
if k.lower() not in self.aws_authentication_params | |
} | |
inference_params.pop( | |
"user", None | |
) # make sure user is not passed in for bedrock call | |
modelId = ( | |
optional_params.pop("model_id", None) or model | |
) # default to model if not passed | |
data: Optional[CohereEmbeddingRequest] = None | |
batch_data: Optional[List] = None | |
if provider == "cohere": | |
data = BedrockCohereEmbeddingConfig()._transform_request( | |
model=model, input=input, inference_params=inference_params | |
) | |
elif provider == "amazon" and model in [ | |
"amazon.titan-embed-image-v1", | |
"amazon.titan-embed-text-v1", | |
"amazon.titan-embed-text-v2:0", | |
]: | |
batch_data = [] | |
for i in input: | |
if model == "amazon.titan-embed-image-v1": | |
transformed_request: ( | |
AmazonEmbeddingRequest | |
) = AmazonTitanMultimodalEmbeddingG1Config()._transform_request( | |
input=i, inference_params=inference_params | |
) | |
elif model == "amazon.titan-embed-text-v1": | |
transformed_request = AmazonTitanG1Config()._transform_request( | |
input=i, inference_params=inference_params | |
) | |
elif model == "amazon.titan-embed-text-v2:0": | |
transformed_request = AmazonTitanV2Config()._transform_request( | |
input=i, inference_params=inference_params | |
) | |
else: | |
raise Exception( | |
"Unmapped model. Received={}. Expected={}".format( | |
model, | |
[ | |
"amazon.titan-embed-image-v1", | |
"amazon.titan-embed-text-v1", | |
"amazon.titan-embed-text-v2:0", | |
], | |
) | |
) | |
batch_data.append(transformed_request) | |
### SET RUNTIME ENDPOINT ### | |
endpoint_url, proxy_endpoint_url = self.get_runtime_endpoint( | |
api_base=api_base, | |
aws_bedrock_runtime_endpoint=optional_params.pop( | |
"aws_bedrock_runtime_endpoint", None | |
), | |
aws_region_name=aws_region_name, | |
) | |
endpoint_url = f"{endpoint_url}/model/{modelId}/invoke" | |
if batch_data is not None: | |
if aembedding: | |
return self._async_single_func_embeddings( # type: ignore | |
client=( | |
client | |
if client is not None and isinstance(client, AsyncHTTPHandler) | |
else None | |
), | |
timeout=timeout, | |
batch_data=batch_data, | |
credentials=credentials, | |
extra_headers=extra_headers, | |
endpoint_url=endpoint_url, | |
aws_region_name=aws_region_name, | |
model=model, | |
logging_obj=logging_obj, | |
) | |
return self._single_func_embeddings( | |
client=( | |
client | |
if client is not None and isinstance(client, HTTPHandler) | |
else None | |
), | |
timeout=timeout, | |
batch_data=batch_data, | |
credentials=credentials, | |
extra_headers=extra_headers, | |
endpoint_url=endpoint_url, | |
aws_region_name=aws_region_name, | |
model=model, | |
logging_obj=logging_obj, | |
) | |
elif data is None: | |
raise Exception("Unable to map Bedrock request to provider") | |
sigv4 = SigV4Auth(credentials, "bedrock", aws_region_name) | |
headers = {"Content-Type": "application/json"} | |
if extra_headers is not None: | |
headers = {"Content-Type": "application/json", **extra_headers} | |
request = AWSRequest( | |
method="POST", url=endpoint_url, data=json.dumps(data), headers=headers | |
) | |
sigv4.add_auth(request) | |
if ( | |
extra_headers is not None and "Authorization" in extra_headers | |
): # prevent sigv4 from overwriting the auth header | |
request.headers["Authorization"] = extra_headers["Authorization"] | |
prepped = request.prepare() | |
## ROUTING ## | |
return cohere_embedding( | |
model=model, | |
input=input, | |
model_response=model_response, | |
logging_obj=logging_obj, | |
optional_params=optional_params, | |
encoding=encoding, | |
data=data, # type: ignore | |
complete_api_base=prepped.url, | |
api_key=None, | |
aembedding=aembedding, | |
timeout=timeout, | |
client=client, | |
headers=prepped.headers, # type: ignore | |
) | |