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