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97 lines
2.9 KiB
Python
97 lines
2.9 KiB
Python
import os
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import guidance
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import openai
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from logger import get_logger
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logger = get_logger(__name__)
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openai_api_key = os.environ.get("OPENAI_API_KEY")
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openai.api_key = openai_api_key
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summary_llm = guidance.llms.OpenAI('gpt-3.5-turbo', caching=False)
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def llm_summerize(document):
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summary = guidance("""
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{{#system~}}
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You are a world best summarizer. \n
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Condense the text, capturing essential points and core ideas. Include relevant \
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examples, omit excess details, and ensure the summary's length matches the \
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original's complexity.
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{{/system~}}
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{{#user~}}
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Summarize the following text:
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---
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{{document}}
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{{/user~}}
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{{#assistant~}}
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{{gen 'summarization' temperature=0.2 max_tokens=100}}
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{{/assistant~}}
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""", llm=summary_llm)
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summary = summary(document=document)
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logger.info('Summarization: %s', summary)
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return summary['summarization']
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def llm_evaluate_summaries(question, summaries, model):
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if not model.startswith('gpt'):
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logger.info(
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f'Model {model} not supported. Using gpt-3.5-turbo instead.')
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model = 'gpt-3.5-turbo'
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logger.info(f'Evaluating summaries with {model}')
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evaluation_llm = guidance.llms.OpenAI(model, caching=False)
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evaluation = guidance("""
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{{#system~}}
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You are a world best evaluator. You evaluate the relevance of summaries based \
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on user input question. Return evaluation in following csv format, csv headers \
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are [summary_id,document_id,evaluation,reason].
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Evaluator Task
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- Evaluation should be a score number between 0 and 5.
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- Reason should be a short sentence within 20 words explain why the evaluation.
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---
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Example
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summary_id,document_id,evaluation,reason
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1,4,3,"not mentioned about topic A"
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2,2,4,"It is not relevant to the question"
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{{/system~}}
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{{#user~}}
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Based on the question, do Evaluator Task for each summary.
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---
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Question: {{question}}
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{{#each summaries}}
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Summary
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summary_id: {{this.id}}
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document_id: {{this.document_id}}
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evaluation: ""
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reason: ""
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Summary Content: {{this.content}}
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File Name: {{this.metadata.file_name}}
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{{/each}}
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{{/user~}}
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{{#assistant~}}
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{{gen 'evaluation' temperature=0.2 stop='<|im_end|>'}}
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{{/assistant~}}
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""", llm=evaluation_llm)
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result = evaluation(question=question, summaries=summaries)
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evaluations = {}
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for evaluation in result['evaluation'].split('\n'):
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if evaluation == '' or not evaluation[0].isdigit():
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continue
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logger.info('Evaluation Row: %s', evaluation)
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summary_id, document_id, score, *reason = evaluation.split(',')
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if not score.isdigit():
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continue
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score = int(score)
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if score < 3 or score > 5:
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continue
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evaluations[summary_id] = {
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'evaluation': score,
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'reason': ','.join(reason),
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'summary_id': summary_id,
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'document_id': document_id,
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}
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return [e for e in sorted(evaluations.values(), key=lambda x: x['evaluation'], reverse=True)]
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