31 lines
1.2 KiB
Python
31 lines
1.2 KiB
Python
from typing import Any, ClassVar, Dict
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from pydantic import BaseModel, ConfigDict, Field, model_validator
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class LangchainConfig(BaseModel):
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try:
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from langchain_community.vectorstores import VectorStore
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except ImportError:
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raise ImportError(
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"The 'langchain_community' library is required. Please install it using 'pip install langchain_community'."
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)
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VectorStore: ClassVar[type] = VectorStore
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client: VectorStore = Field(description="Existing VectorStore instance")
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collection_name: str = Field("mem0", description="Name of the collection to use")
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@model_validator(mode="before")
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@classmethod
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def validate_extra_fields(cls, values: Dict[str, Any]) -> Dict[str, Any]:
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allowed_fields = set(cls.model_fields.keys())
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input_fields = set(values.keys())
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extra_fields = input_fields - allowed_fields
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if extra_fields:
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raise ValueError(
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f"Extra fields not allowed: {', '.join(extra_fields)}. Please input only the following fields: {', '.join(allowed_fields)}"
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)
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return values
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model_config = ConfigDict(arbitrary_types_allowed=True)
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