mirror of
https://github.com/BerriAI/litellm.git
synced 2025-04-25 10:44:24 +00:00
183 lines
5.3 KiB
Python
183 lines
5.3 KiB
Python
import os
|
|
import json
|
|
from enum import Enum
|
|
import requests
|
|
import time
|
|
from typing import Callable, Optional
|
|
from litellm.utils import ModelResponse, Usage
|
|
from .prompt_templates.factory import prompt_factory, custom_prompt
|
|
|
|
|
|
class OobaboogaError(Exception):
|
|
def __init__(self, status_code, message):
|
|
self.status_code = status_code
|
|
self.message = message
|
|
super().__init__(
|
|
self.message
|
|
) # Call the base class constructor with the parameters it needs
|
|
|
|
|
|
def validate_environment(api_key):
|
|
headers = {
|
|
"accept": "application/json",
|
|
"content-type": "application/json",
|
|
}
|
|
if api_key:
|
|
headers["Authorization"] = f"Token {api_key}"
|
|
return headers
|
|
|
|
|
|
def completion(
|
|
model: str,
|
|
messages: list,
|
|
api_base: Optional[str],
|
|
model_response: ModelResponse,
|
|
print_verbose: Callable,
|
|
encoding,
|
|
api_key,
|
|
logging_obj,
|
|
custom_prompt_dict={},
|
|
optional_params=None,
|
|
litellm_params=None,
|
|
logger_fn=None,
|
|
default_max_tokens_to_sample=None,
|
|
):
|
|
headers = validate_environment(api_key)
|
|
if "https" in model:
|
|
completion_url = model
|
|
elif api_base:
|
|
completion_url = api_base
|
|
else:
|
|
raise OobaboogaError(
|
|
status_code=404,
|
|
message="API Base not set. Set one via completion(..,api_base='your-api-url')",
|
|
)
|
|
model = model
|
|
|
|
completion_url = completion_url + "/v1/chat/completions"
|
|
data = {
|
|
"messages": messages,
|
|
**optional_params,
|
|
}
|
|
## LOGGING
|
|
|
|
logging_obj.pre_call(
|
|
input=messages,
|
|
api_key=api_key,
|
|
additional_args={"complete_input_dict": data},
|
|
)
|
|
## COMPLETION CALL
|
|
|
|
response = requests.post(
|
|
completion_url,
|
|
headers=headers,
|
|
data=json.dumps(data),
|
|
stream=optional_params["stream"] if "stream" in optional_params else False,
|
|
)
|
|
if "stream" in optional_params and optional_params["stream"] == True:
|
|
return response.iter_lines()
|
|
else:
|
|
## 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 OobaboogaError(
|
|
message=response.text, status_code=response.status_code
|
|
)
|
|
if "error" in completion_response:
|
|
raise OobaboogaError(
|
|
message=completion_response["error"],
|
|
status_code=response.status_code,
|
|
)
|
|
else:
|
|
try:
|
|
model_response["choices"][0]["message"][
|
|
"content"
|
|
] = completion_response["choices"][0]["message"]["content"]
|
|
except:
|
|
raise OobaboogaError(
|
|
message=json.dumps(completion_response),
|
|
status_code=response.status_code,
|
|
)
|
|
|
|
model_response["created"] = int(time.time())
|
|
model_response["model"] = model
|
|
usage = Usage(
|
|
prompt_tokens=completion_response["usage"]["prompt_tokens"],
|
|
completion_tokens=completion_response["usage"]["completion_tokens"],
|
|
total_tokens=completion_response["usage"]["total_tokens"],
|
|
)
|
|
model_response.usage = usage
|
|
return model_response
|
|
|
|
|
|
def embedding(
|
|
model: str,
|
|
input: list,
|
|
api_key: Optional[str] = None,
|
|
api_base: Optional[str] = None,
|
|
logging_obj=None,
|
|
model_response=None,
|
|
optional_params=None,
|
|
encoding=None,
|
|
):
|
|
# Create completion URL
|
|
if "https" in model:
|
|
embeddings_url = model
|
|
elif api_base:
|
|
embeddings_url = f"{api_base}/v1/embeddings"
|
|
else:
|
|
raise OobaboogaError(
|
|
status_code=404,
|
|
message="API Base not set. Set one via completion(..,api_base='your-api-url')",
|
|
)
|
|
|
|
# Prepare request data
|
|
data = {"input": input}
|
|
if optional_params:
|
|
data.update(optional_params)
|
|
|
|
# Logging before API call
|
|
if logging_obj:
|
|
logging_obj.pre_call(
|
|
input=input, api_key=api_key, additional_args={"complete_input_dict": data}
|
|
)
|
|
|
|
# Send POST request
|
|
headers = validate_environment(api_key)
|
|
response = requests.post(embeddings_url, headers=headers, json=data)
|
|
if not response.ok:
|
|
raise OobaboogaError(message=response.text, status_code=response.status_code)
|
|
completion_response = response.json()
|
|
|
|
# Check for errors in response
|
|
if "error" in completion_response:
|
|
raise OobaboogaError(
|
|
message=completion_response["error"],
|
|
status_code=completion_response.get("status_code", 500),
|
|
)
|
|
|
|
# Process response data
|
|
model_response["data"] = [
|
|
{
|
|
"embedding": completion_response["data"][0]["embedding"],
|
|
"index": 0,
|
|
"object": "embedding",
|
|
}
|
|
]
|
|
|
|
num_tokens = len(completion_response["data"][0]["embedding"])
|
|
# Adding metadata to response
|
|
model_response.usage = Usage(prompt_tokens=num_tokens, total_tokens=num_tokens)
|
|
model_response["object"] = "list"
|
|
model_response["model"] = model
|
|
|
|
return model_response
|