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[misc][core] lazy import outlines (vllm-project#7831)
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Original file line number | Diff line number | Diff line change |
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import sys | ||
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from vllm import LLM, SamplingParams | ||
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def test_lazy_outlines(sample_regex): | ||
"""If users don't use guided decoding, outlines should not be imported. | ||
""" | ||
prompts = [ | ||
"Hello, my name is", | ||
"The president of the United States is", | ||
"The capital of France is", | ||
"The future of AI is", | ||
] | ||
sampling_params = SamplingParams(temperature=0.8, top_p=0.95) | ||
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llm = LLM(model="facebook/opt-125m", | ||
enforce_eager=True, | ||
gpu_memory_utilization=0.3) | ||
outputs = llm.generate(prompts, sampling_params) | ||
for output in outputs: | ||
prompt = output.prompt | ||
generated_text = output.outputs[0].text | ||
print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}") | ||
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# make sure outlines is not imported | ||
assert 'outlines' not in sys.modules | ||
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llm = LLM(model="facebook/opt-125m", | ||
enforce_eager=True, | ||
guided_decoding_backend="lm-format-enforcer", | ||
gpu_memory_utilization=0.3) | ||
sampling_params = SamplingParams(temperature=0.8, top_p=0.95) | ||
outputs = llm.generate( | ||
prompts=[ | ||
f"Give an example IPv4 address with this regex: {sample_regex}" | ||
] * 2, | ||
sampling_params=sampling_params, | ||
use_tqdm=True, | ||
guided_options_request=dict(guided_regex=sample_regex)) | ||
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for output in outputs: | ||
prompt = output.prompt | ||
generated_text = output.outputs[0].text | ||
print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}") | ||
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# make sure outlines is not imported | ||
assert 'outlines' not in sys.modules |
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