feat - make anthropic async

This commit is contained in:
Ishaan Jaff 2024-04-06 15:50:13 -07:00
parent a2c63075ef
commit 58c4b02447
3 changed files with 231 additions and 140 deletions

View file

@ -7,6 +7,9 @@ from typing import Callable, Optional, List
from litellm.utils import ModelResponse, Usage, map_finish_reason, CustomStreamWrapper
import litellm
from .prompt_templates.factory import prompt_factory, custom_prompt
from litellm.llms.custom_httpx.http_handler import AsyncHTTPHandler
async_handler = AsyncHTTPHandler()
import httpx
@ -36,7 +39,9 @@ class AnthropicConfig:
to pass metadata to anthropic, it's {"user_id": "any-relevant-information"}
"""
max_tokens: Optional[int] = 4096 # anthropic requires a default value (Opus, Sonnet, and Haiku have the same default)
max_tokens: Optional[int] = (
4096 # anthropic requires a default value (Opus, Sonnet, and Haiku have the same default)
)
stop_sequences: Optional[list] = None
temperature: Optional[int] = None
top_p: Optional[int] = None
@ -46,7 +51,9 @@ class AnthropicConfig:
def __init__(
self,
max_tokens: Optional[int] = 4096, # You can pass in a value yourself or use the default value 4096
max_tokens: Optional[
int
] = 4096, # You can pass in a value yourself or use the default value 4096
stop_sequences: Optional[list] = None,
temperature: Optional[int] = None,
top_p: Optional[int] = None,
@ -95,6 +102,169 @@ def validate_environment(api_key, user_headers):
return headers
def process_response(
model,
response,
model_response,
_is_function_call,
stream,
logging_obj,
api_key,
data,
messages,
print_verbose,
):
## LOGGING
logging_obj.post_call(
input=messages,
api_key=api_key,
original_response=response.text,
additional_args={"complete_input_dict": data},
)
print_verbose(f"raw model_response: {response.text}")
## RESPONSE OBJECT
try:
completion_response = response.json()
except:
raise AnthropicError(message=response.text, status_code=response.status_code)
if "error" in completion_response:
raise AnthropicError(
message=str(completion_response["error"]),
status_code=response.status_code,
)
elif len(completion_response["content"]) == 0:
raise AnthropicError(
message="No content in response",
status_code=response.status_code,
)
else:
text_content = ""
tool_calls = []
for content in completion_response["content"]:
if content["type"] == "text":
text_content += content["text"]
## TOOL CALLING
elif content["type"] == "tool_use":
tool_calls.append(
{
"id": content["id"],
"type": "function",
"function": {
"name": content["name"],
"arguments": json.dumps(content["input"]),
},
}
)
_message = litellm.Message(
tool_calls=tool_calls,
content=text_content or None,
)
model_response.choices[0].message = _message # type: ignore
model_response._hidden_params["original_response"] = completion_response[
"content"
] # allow user to access raw anthropic tool calling response
model_response.choices[0].finish_reason = map_finish_reason(
completion_response["stop_reason"]
)
print_verbose(f"_is_function_call: {_is_function_call}; stream: {stream}")
if _is_function_call and stream:
print_verbose("INSIDE ANTHROPIC STREAMING TOOL CALLING CONDITION BLOCK")
# return an iterator
streaming_model_response = ModelResponse(stream=True)
streaming_model_response.choices[0].finish_reason = model_response.choices[
0
].finish_reason
# streaming_model_response.choices = [litellm.utils.StreamingChoices()]
streaming_choice = litellm.utils.StreamingChoices()
streaming_choice.index = model_response.choices[0].index
_tool_calls = []
print_verbose(
f"type of model_response.choices[0]: {type(model_response.choices[0])}"
)
print_verbose(f"type of streaming_choice: {type(streaming_choice)}")
if isinstance(model_response.choices[0], litellm.Choices):
if getattr(
model_response.choices[0].message, "tool_calls", None
) is not None and isinstance(
model_response.choices[0].message.tool_calls, list
):
for tool_call in model_response.choices[0].message.tool_calls:
_tool_call = {**tool_call.dict(), "index": 0}
_tool_calls.append(_tool_call)
delta_obj = litellm.utils.Delta(
content=getattr(model_response.choices[0].message, "content", None),
role=model_response.choices[0].message.role,
tool_calls=_tool_calls,
)
streaming_choice.delta = delta_obj
streaming_model_response.choices = [streaming_choice]
completion_stream = ModelResponseIterator(
model_response=streaming_model_response
)
print_verbose(
"Returns anthropic CustomStreamWrapper with 'cached_response' streaming object"
)
return CustomStreamWrapper(
completion_stream=completion_stream,
model=model,
custom_llm_provider="cached_response",
logging_obj=logging_obj,
)
## CALCULATING USAGE
prompt_tokens = completion_response["usage"]["input_tokens"]
completion_tokens = completion_response["usage"]["output_tokens"]
total_tokens = prompt_tokens + completion_tokens
model_response["created"] = int(time.time())
model_response["model"] = model
usage = Usage(
prompt_tokens=prompt_tokens,
completion_tokens=completion_tokens,
total_tokens=total_tokens,
)
model_response.usage = usage
return model_response
async def acompletion_function(
model: str,
messages: list,
api_base: str,
custom_prompt_dict: dict,
model_response: ModelResponse,
print_verbose: Callable,
encoding,
api_key,
logging_obj,
stream,
_is_function_call,
data=None,
optional_params=None,
litellm_params=None,
logger_fn=None,
headers={},
):
response = await async_handler.post(
api_base, headers=headers, data=json.dumps(data)
)
return process_response(
model=model,
response=response,
model_response=model_response,
_is_function_call=_is_function_call,
stream=stream,
logging_obj=logging_obj,
api_key=api_key,
data=data,
messages=messages,
print_verbose=print_verbose,
)
def completion(
model: str,
messages: list,
@ -106,6 +276,7 @@ def completion(
api_key,
logging_obj,
optional_params=None,
acompletion=None,
litellm_params=None,
logger_fn=None,
headers={},
@ -184,148 +355,66 @@ def completion(
},
)
print_verbose(f"_is_function_call: {_is_function_call}")
## COMPLETION CALL
if (
stream and not _is_function_call
): # if function call - fake the streaming (need complete blocks for output parsing in openai format)
print_verbose("makes anthropic streaming POST request")
data["stream"] = stream
response = requests.post(
api_base,
headers=headers,
data=json.dumps(data),
stream=stream,
)
if response.status_code != 200:
raise AnthropicError(
status_code=response.status_code, message=response.text
)
return response.iter_lines()
else:
response = requests.post(api_base, headers=headers, data=json.dumps(data))
if response.status_code != 200:
raise AnthropicError(
status_code=response.status_code, message=response.text
)
## LOGGING
logging_obj.post_call(
input=messages,
api_key=api_key,
original_response=response.text,
additional_args={"complete_input_dict": data},
)
print_verbose(f"raw model_response: {response.text}")
## RESPONSE OBJECT
try:
completion_response = response.json()
except:
raise AnthropicError(
message=response.text, status_code=response.status_code
)
if "error" in completion_response:
raise AnthropicError(
message=str(completion_response["error"]),
status_code=response.status_code,
)
elif len(completion_response["content"]) == 0:
raise AnthropicError(
message="No content in response",
status_code=response.status_code,
)
if acompletion == True:
if optional_params.get("stream", False):
pass
else:
text_content = ""
tool_calls = []
for content in completion_response["content"]:
if content["type"] == "text":
text_content += content["text"]
## TOOL CALLING
elif content["type"] == "tool_use":
tool_calls.append(
{
"id": content["id"],
"type": "function",
"function": {
"name": content["name"],
"arguments": json.dumps(content["input"]),
},
}
)
_message = litellm.Message(
tool_calls=tool_calls,
content=text_content or None,
return acompletion_function(
model=model,
messages=messages,
data=data,
api_base=api_base,
custom_prompt_dict=custom_prompt_dict,
model_response=model_response,
print_verbose=print_verbose,
encoding=encoding,
api_key=api_key,
logging_obj=logging_obj,
optional_params=optional_params,
stream=stream,
_is_function_call=_is_function_call,
litellm_params=litellm_params,
logger_fn=logger_fn,
headers=headers,
)
model_response.choices[0].message = _message # type: ignore
model_response._hidden_params["original_response"] = completion_response[
"content"
] # allow user to access raw anthropic tool calling response
model_response.choices[0].finish_reason = map_finish_reason(
completion_response["stop_reason"]
else:
## COMPLETION CALL
if (
stream and not _is_function_call
): # if function call - fake the streaming (need complete blocks for output parsing in openai format)
print_verbose("makes anthropic streaming POST request")
data["stream"] = stream
response = requests.post(
api_base,
headers=headers,
data=json.dumps(data),
stream=stream,
)
print_verbose(f"_is_function_call: {_is_function_call}; stream: {stream}")
if _is_function_call and stream:
print_verbose("INSIDE ANTHROPIC STREAMING TOOL CALLING CONDITION BLOCK")
# return an iterator
streaming_model_response = ModelResponse(stream=True)
streaming_model_response.choices[0].finish_reason = model_response.choices[
0
].finish_reason
# streaming_model_response.choices = [litellm.utils.StreamingChoices()]
streaming_choice = litellm.utils.StreamingChoices()
streaming_choice.index = model_response.choices[0].index
_tool_calls = []
print_verbose(
f"type of model_response.choices[0]: {type(model_response.choices[0])}"
)
print_verbose(f"type of streaming_choice: {type(streaming_choice)}")
if isinstance(model_response.choices[0], litellm.Choices):
if getattr(
model_response.choices[0].message, "tool_calls", None
) is not None and isinstance(
model_response.choices[0].message.tool_calls, list
):
for tool_call in model_response.choices[0].message.tool_calls:
_tool_call = {**tool_call.dict(), "index": 0}
_tool_calls.append(_tool_call)
delta_obj = litellm.utils.Delta(
content=getattr(model_response.choices[0].message, "content", None),
role=model_response.choices[0].message.role,
tool_calls=_tool_calls,
)
streaming_choice.delta = delta_obj
streaming_model_response.choices = [streaming_choice]
completion_stream = ModelResponseIterator(
model_response=streaming_model_response
)
print_verbose(
"Returns anthropic CustomStreamWrapper with 'cached_response' streaming object"
)
return CustomStreamWrapper(
completion_stream=completion_stream,
model=model,
custom_llm_provider="cached_response",
logging_obj=logging_obj,
if response.status_code != 200:
raise AnthropicError(
status_code=response.status_code, message=response.text
)
## CALCULATING USAGE
prompt_tokens = completion_response["usage"]["input_tokens"]
completion_tokens = completion_response["usage"]["output_tokens"]
total_tokens = prompt_tokens + completion_tokens
model_response["created"] = int(time.time())
model_response["model"] = model
usage = Usage(
prompt_tokens=prompt_tokens,
completion_tokens=completion_tokens,
total_tokens=total_tokens,
)
model_response.usage = usage
return model_response
return response.iter_lines()
else:
response = requests.post(api_base, headers=headers, data=json.dumps(data))
if response.status_code != 200:
raise AnthropicError(
status_code=response.status_code, message=response.text
)
return process_response(
model=model,
response=response,
model_response=model_response,
_is_function_call=_is_function_call,
stream=stream,
logging_obj=logging_obj,
api_key=api_key,
data=data,
messages=messages,
print_verbose=print_verbose,
)
class ModelResponseIterator:

View file

@ -1,5 +1,5 @@
import httpx, asyncio
from typing import Optional
from typing import Optional, Union
class AsyncHTTPHandler:
@ -25,7 +25,7 @@ class AsyncHTTPHandler:
async def post(
self,
url: str,
data: Optional[dict] = None,
data: Optional[Union[dict, str]] = None,
params: Optional[dict] = None,
headers: Optional[dict] = None,
):

View file

@ -304,6 +304,7 @@ async def acompletion(
or custom_llm_provider == "vertex_ai"
or custom_llm_provider == "gemini"
or custom_llm_provider == "sagemaker"
or custom_llm_provider == "anthropic"
or custom_llm_provider in litellm.openai_compatible_providers
): # currently implemented aiohttp calls for just azure, openai, hf, ollama, vertex ai soon all.
init_response = await loop.run_in_executor(None, func_with_context)
@ -1184,6 +1185,7 @@ def completion(
model=model,
messages=messages,
api_base=api_base,
acompletion=acompletion,
custom_prompt_dict=litellm.custom_prompt_dict,
model_response=model_response,
print_verbose=print_verbose,