61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
from typing import Any, Dict, Optional
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from llama_index.bridge.pydantic import Field
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from llama_index.constants import (
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DEFAULT_CONTEXT_WINDOW,
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DEFAULT_NUM_OUTPUTS,
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DEFAULT_TEMPERATURE,
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)
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from llama_index.core.llms.types import LLMMetadata
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from llama_index.llms.generic_utils import get_from_param_or_env
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from llama_index.llms.openai_like import OpenAILike
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DEFAULT_API_BASE = "https://openrouter.ai/api/v1"
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DEFAULT_MODEL = "gryphe/mythomax-l2-13b"
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class OpenRouter(OpenAILike):
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model: str = Field(
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description="The OpenRouter model to use. See https://openrouter.ai/models for options."
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)
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context_window: int = Field(
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default=DEFAULT_CONTEXT_WINDOW,
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description="The maximum number of context tokens for the model. See https://openrouter.ai/models for options.",
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gt=0,
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)
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is_chat_model: bool = Field(
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default=True,
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description=LLMMetadata.__fields__["is_chat_model"].field_info.description,
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)
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def __init__(
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self,
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model: str = DEFAULT_MODEL,
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temperature: float = DEFAULT_TEMPERATURE,
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max_tokens: int = DEFAULT_NUM_OUTPUTS,
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additional_kwargs: Optional[Dict[str, Any]] = None,
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max_retries: int = 5,
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api_base: Optional[str] = DEFAULT_API_BASE,
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api_key: Optional[str] = None,
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**kwargs: Any,
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) -> None:
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additional_kwargs = additional_kwargs or {}
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api_base = get_from_param_or_env("api_base", api_base, "OPENROUTER_API_BASE")
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api_key = get_from_param_or_env("api_key", api_key, "OPENROUTER_API_KEY")
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super().__init__(
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model=model,
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temperature=temperature,
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max_tokens=max_tokens,
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api_base=api_base,
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api_key=api_key,
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additional_kwargs=additional_kwargs,
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max_retries=max_retries,
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**kwargs,
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)
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@classmethod
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def class_name(cls) -> str:
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return "OpenRouter_LLM"
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