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70 lines
3 KiB
Python
70 lines
3 KiB
Python
import os, json
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import litellm
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from litellm.utils import ModelResponse
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class BudgetManager:
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def __init__(self, type: str):
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self.type = type
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## load the data or init the initial dictionaries
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self.load_data()
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def print_verbose(self, print_statement):
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if litellm.print_verbose:
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print(print_statement)
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def load_data(self):
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if self.type == "local":
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# Check if model dict file exists
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if os.path.isfile("model_cost.json"):
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# Load the model dict
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with open("model_cost.json", 'r') as json_file:
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self.model_dict = json.load(json_file)
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else:
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self.print_verbose("Model Dictionary not found!")
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self.model_dict = {}
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# Check if user dict file exists
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if os.path.isfile("user_cost.json"):
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# Load the user dict
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with open("user_cost.json", 'r') as json_file:
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self.user_dict = json.load(json_file)
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else:
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self.print_verbose("User Dictionary not found!")
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self.user_dict = {}
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def create_budget(self, total_budget: float, user: str):
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self.user_dict[user] = {"total_budget": total_budget}
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return self.user_dict[user]
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def projected_cost(self, model: str, messages: list, user: str):
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text = "".join(message["content"] for message in messages)
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prompt_tokens = litellm.token_counter(model=model, text=text)
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prompt_cost, _ = litellm.cost_per_token(model=model, prompt_tokens=prompt_tokens, completion_tokens=0)
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current_cost = self.user_dict[user].get("current_cost", 0)
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projected_cost = prompt_cost + current_cost
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return projected_cost
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def get_total_budget(self, user: str):
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return self.user_dict[user]["total_budget"]
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def update_cost(self, completion_obj: ModelResponse, user: str):
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cost = litellm.completion_cost(completion_response=completion_obj)
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model = completion_obj['model'] # if this throws an error try, model = completion_obj['model']
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self.model_dict[model] = cost + self.model_dict.get(model, 0)
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self.user_dict[user]["current_cost"] = cost + self.user_dict[user].get("current_cost", 0)
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return {"current_user_cost": self.user_dict[user]["current_cost"], "current_model_cost": self.model_dict[model]}
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def get_current_cost(self, user):
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return self.user_dict[user].get("current_cost", 0)
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def save_data(self):
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if self.type == "local":
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import json
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# save the model dict
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with open("model_cost.json", 'w') as json_file:
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json.dump(self.model_dict, json_file, indent=4) # Indent for pretty formatting
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# save the user dict
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with open("user_cost.json", 'w') as json_file:
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json.dump(self.user_dict, json_file, indent=4) # Indent for pretty formatting
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