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2025-02-17 19:44:17 +05:30
from typing import Any, Optional
from anthropic import AsyncAnthropic
from pydantic import BaseModel
class AbstractPrompt(BaseModel):
def to_string(self) -> str:
raise NotImplementedError
class HumanAssistantPrompt(AbstractPrompt):
assistant_prompt: str
human_prompt: str
def to_string(self) -> str:
return (
f"""\n\nHuman: {self.human_prompt}\n\nAssistant: {self.assistant_prompt}"""
)
class ClaudeService:
def __init__(self, api_key: Optional[str], model: str = "claude-2"):
self.claude = AsyncAnthropic(api_key=api_key)
self.model = model
async def completion(
self,
prompt: AbstractPrompt,
max_tokens_to_sample: int,
temperature: int = 0,
**kwargs: Any,
) -> str:
return (
await self.claude.completions.create(
model=self.model,
prompt=prompt.to_string(),
max_tokens_to_sample=max_tokens_to_sample,
temperature=temperature,
**kwargs,
)
).completion.strip()