Files
petya 75601988c2 Initial commit: LangChain evolution tutorial deck (132 slides)
- Cover, TOC, 5 dividers, 3 recap slides
- 5 sections (chains, langgraph, deepagents, openswe, ecosystem)
- design-system.js with theme tokens + 9 helper functions
- research/: timeline + sources + per-tech notes
- final-compile.js + merge.js for rebuild pipeline
- output/: langchain-evolution.pptx (2.3 MB) + langchain-evolution.pdf (1.1 MB) + 7 sample previews
2026-06-22 11:29:03 +03:00

59 lines
1.9 KiB
JavaScript

// Slide 08: Evaluators + run_on_dataset -- off-line evaluation pipeline
// Code slide: custom evaluator + run_on_dataset.
const ds = require('./design-system');
function createSlide(pres, theme) {
const slide = pres.addSlide();
ds.helpers.slideBase(slide, pres, theme);
ds.helpers.addHeader(slide, pres, theme, {
eyebrow: 'STAGE 5: ECOSYSTEM',
section: 'Evaluators',
title: 'run_on_dataset + evaluator-ы',
sectionNumber: 5,
titleSize: 24,
});
ds.helpers.addCodeBlock(slide, pres, theme, {
x: 0.5, y: 1.45, w: 9.0, h: 2.85,
language: 'python',
fontSize: 10,
code: [
'from langsmith import Client',
'from langsmith.schemas import Example, Run',
'',
'client = Client()',
'',
'# 1. Target -- что прогоняем (chain, graph, agent, callable)',
'def target(inputs: dict) -> dict:',
' return {"answer": my_chain.invoke(inputs["question"])}',
'',
'# 2. Evaluator -- scoring function',
'def answer_match(run: Run, example: Example) -> dict:',
' score = 1.0 if example.outputs["answer"] in run.outputs["answer"] else 0.0',
' return {"key": "answer_match", "score": score}',
'',
'# 3. Прогон: target на датасете + scoring',
'client.run_on_dataset(',
' dataset_name="rag-qa-eval-v1",',
' llm_or_chain_factory=target,',
' evaluators=[answer_match],',
')',
].join('\n'),
});
ds.helpers.addCallout(slide, pres, theme, {
x: 0.5, y: 4.5, w: 9.0, h: 0.55,
kind: 'success',
text: 'Готовые evaluator-ы: llm_as_judge, exact_match, embedding_distance, cot_qa.',
});
ds.helpers.addSourceLine(slide, pres, theme, {
source: 'docs.smith.langchain.com Evaluation > Evaluator types',
});
ds.helpers.addPageNumber(slide, pres, theme, 8);
}
module.exports = { createSlide };