File size: 5,545 Bytes
7db0ae4 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 |
import os, types
import json
from enum import Enum
import requests
import time
from typing import Callable, Optional
import litellm
import httpx
from litellm.utils import ModelResponse, Usage
from .prompt_templates.factory import prompt_factory, custom_prompt
class CloudflareError(Exception):
def __init__(self, status_code, message):
self.status_code = status_code
self.message = message
self.request = httpx.Request(method="POST", url="https://api.cloudflare.com")
self.response = httpx.Response(status_code=status_code, request=self.request)
super().__init__(
self.message
) # Call the base class constructor with the parameters it needs
class CloudflareConfig:
max_tokens: Optional[int] = None
stream: Optional[bool] = None
def __init__(
self,
max_tokens: Optional[int] = None,
stream: Optional[bool] = None,
) -> None:
locals_ = locals()
for key, value in locals_.items():
if key != "self" and value is not None:
setattr(self.__class__, key, value)
@classmethod
def get_config(cls):
return {
k: v
for k, v in cls.__dict__.items()
if not k.startswith("__")
and not isinstance(
v,
(
types.FunctionType,
types.BuiltinFunctionType,
classmethod,
staticmethod,
),
)
and v is not None
}
def validate_environment(api_key):
if api_key is None:
raise ValueError(
"Missing CloudflareError API Key - A call is being made to cloudflare but no key is set either in the environment variables or via params"
)
headers = {
"accept": "application/json",
"content-type": "application/json",
"Authorization": "Bearer " + api_key,
}
return headers
def completion(
model: str,
messages: list,
api_base: str,
model_response: ModelResponse,
print_verbose: Callable,
encoding,
api_key,
logging_obj,
custom_prompt_dict={},
optional_params=None,
litellm_params=None,
logger_fn=None,
):
headers = validate_environment(api_key)
## Load Config
config = litellm.CloudflareConfig.get_config()
for k, v in config.items():
if k not in optional_params:
optional_params[k] = v
print_verbose(f"CUSTOM PROMPT DICT: {custom_prompt_dict}; model: {model}")
if model in custom_prompt_dict:
# check if the model has a registered custom prompt
model_prompt_details = custom_prompt_dict[model]
prompt = custom_prompt(
role_dict=model_prompt_details.get("roles", {}),
initial_prompt_value=model_prompt_details.get("initial_prompt_value", ""),
final_prompt_value=model_prompt_details.get("final_prompt_value", ""),
bos_token=model_prompt_details.get("bos_token", ""),
eos_token=model_prompt_details.get("eos_token", ""),
messages=messages,
)
# cloudflare adds the model to the api base
api_base = api_base + model
data = {
"messages": messages,
**optional_params,
}
## LOGGING
logging_obj.pre_call(
input=messages,
api_key=api_key,
additional_args={
"headers": headers,
"api_base": api_base,
"complete_input_dict": data,
},
)
## COMPLETION CALL
if "stream" in optional_params and optional_params["stream"] == True:
response = requests.post(
api_base,
headers=headers,
data=json.dumps(data),
stream=optional_params["stream"],
)
return response.iter_lines()
else:
response = requests.post(api_base, headers=headers, data=json.dumps(data))
## 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
if response.status_code != 200:
raise CloudflareError(
status_code=response.status_code, message=response.text
)
completion_response = response.json()
model_response["choices"][0]["message"]["content"] = completion_response[
"result"
]["response"]
## CALCULATING USAGE
print_verbose(
f"CALCULATING CLOUDFLARE TOKEN USAGE. Model Response: {model_response}; model_response['choices'][0]['message'].get('content', ''): {model_response['choices'][0]['message'].get('content', None)}"
)
prompt_tokens = litellm.utils.get_token_count(messages=messages, model=model)
completion_tokens = len(
encoding.encode(model_response["choices"][0]["message"].get("content", ""))
)
model_response["created"] = int(time.time())
model_response["model"] = "cloudflare/" + model
usage = Usage(
prompt_tokens=prompt_tokens,
completion_tokens=completion_tokens,
total_tokens=prompt_tokens + completion_tokens,
)
model_response.usage = usage
return model_response
def embedding():
# logic for parsing in - calling - parsing out model embedding calls
pass
|