Source code for langchain_community.cross_encoders.fake
from difflib import SequenceMatcher
from typing import List, Tuple
from langchain_core.pydantic_v1 import BaseModel
from langchain_community.cross_encoders.base import BaseCrossEncoder
[docs]class FakeCrossEncoder(BaseCrossEncoder, BaseModel):
"""Fake cross encoder model."""
[docs] def score(self, text_pairs: List[Tuple[str, str]]) -> List[float]:
scores = list(
map(
lambda pair: SequenceMatcher(None, pair[0], pair[1]).ratio(), text_pairs
)
)
return scores