mirror of
https://github.com/hwchase17/langchain
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36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
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# flake8: noqa
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"""Test rwkv wrapper."""
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import os
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from urllib.request import urlretrieve
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from langchain.llms import RWKV
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import warnings
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import pytest
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def _download_model() -> str:
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"""Download model.
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From https://huggingface.co/BlinkDL/rwkv-4-pile-169m/resolve/main/RWKV-4-Pile-169M-20220807-8023.pth,
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"""
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model_url = "https://huggingface.co/BlinkDL/rwkv-4-pile-169m/resolve/main/RWKV-4-Pile-169M-20220807-8023.pth"
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tokenizer_url = (
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"https://github.com/BlinkDL/ChatRWKV/blob/main/v2/20B_tokenizer.json?raw=true"
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)
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local_filename = model_url.split("/")[-1]
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if not os.path.exists("20B_tokenizer.json"):
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urlretrieve(tokenizer_url, "20B_tokenizer.json")
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if not os.path.exists(local_filename):
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urlretrieve(model_url, local_filename)
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return local_filename
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@pytest.mark.filterwarnings("ignore::UserWarning:")
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def test_rwkv_inference() -> None:
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"""Test valid gpt4all inference."""
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model_path = _download_model()
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llm = RWKV(model=model_path, tokens_path="20B_tokenizer.json", strategy="cpu fp32")
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output = llm("Say foo:")
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assert isinstance(output, str)
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