forked from Archives/langchain
22 lines
779 B
Python
22 lines
779 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, CompletionOutput
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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 generate(self, prompt: str, stop: Optional[List[str]] = None) -> List[CompletionOutput]:
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"""First try to lookup in queries, else return 'foo' or 'bar'."""
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if self._queries is not None:
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return [CompletionOutput(text=self._queries[prompt])]
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if stop is None:
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return [CompletionOutput(text="foo")]
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else:
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return [CompletionOutput(text="bar")]
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