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22 lines
655 B
Python
22 lines
655 B
Python
"""Fake LLM wrapper for testing purposes."""
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from typing import List, Mapping, Optional
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from langchain.llms.base import LLM
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class FakeLLM(LLM):
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"""Fake LLM wrapper for testing purposes."""
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def __init__(self, queries: Optional[Mapping] = None):
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"""Initialize with optional lookup of queries."""
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self._queries = queries
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def __call__(self, prompt: str, stop: Optional[List[str]] = None) -> str:
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"""Return `foo` if no stop words, otherwise `bar`."""
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if self._queries is not None:
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return self._queries[prompt]
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if stop is None:
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return "foo"
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else:
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return "bar"
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