aidial_adapter_vertexai/dial_api/token_usage.py

from pydantic import BaseModel


class TokenUsage(BaseModel):
    prompt_tokens: int = 0
    completion_tokens: int = 0

    @property
    def total_tokens(self) -> int:
        return self.prompt_tokens + self.completion_tokens

    def accumulate(self, other: "TokenUsage") -> "TokenUsage":
        self.prompt_tokens += other.prompt_tokens
        self.completion_tokens += other.completion_tokens
        return self