LangChainを使ってChatGPTの機能を拡張してみた ~過去の会話やGoogle検索結果を活用して自然な応答を生成する方法~ #DevIO2023

DevelopersIO 2023 で発表した資料です。

Transcript

1. LangChainΛ࢖ͬͯ ChatGPTͷػೳΛ֦ுͯ͠Έͨ
 ~աڈͷձ࿩΍Googleݕࡧ݁ՌΛ׆༻
 ͯࣗ͠વͳԠ౴Λੜ੒͢Δํ๏~ 2023/07/08 ᝛ ߶জʢTakaaki Kakeiʣ
2. Hello!! ᝛ ߶জʢTakaaki Kakeiʣ •AWSࣄۀຊ෦ΦϖϨʔγϣϯ෦
 αʔϏεάϩʔενʔϜ •ΫϥεϝιουϝϯόʔζΛ
 ࢧ͑Δ಺੡։ൃΛ୲౰ •ٱ͠ͿΓͷϥΠϒηογϣϯͰ
 ϫΫϫΫ͍ͯ͠·͢ʂ 2 ɾ2023-2021 Japan AWS Top Engineers
 ɾ2023-2022 Japan AWS All Certifications Engineers ɾhttps://dev.classmethod.jp/author/kakei-takaaki/ ɾhttps://zenn.dev/t_kakei ɾhttps://twitter.com/TakaakiKakei
3. ChatGPTͱ͸ •OpenAI͕2022೥11݄ʹެ։ͨ͠ਓ޻஌ೳνϟοτϘοτ •ਓؒͷΑ͏ͳࣗવͳձ࿩͕Ͱ͖Δ •จষͷཁ໿ɾ຋༁ɾϓϩάϥϜͷੜ੒ͳͲɺ༷ʑͳλεΫΛ ࣮ߦՄೳ 3 ຊ୊ʹೖΔલʹ͓͞Β͍
4. େن໛ݴޠϞσϧʢLLMʣͱ͸ •େྔͷςΩετσʔλΛ࢖ͬͯτϨʔχϯά͞Εͨࣗવݴޠ ॲཧͷϞσϧ •ChatGPTɿGPT-3.5 / GPT-4 4 ͓͞Β͍2
5. OpenAI APIͱ͸ •OpenAIͷLLMʢGPT-3ͳͲʣ ʹAPIͰΞΫηε͢Δ͜ͱΛ Մೳʹͨ͠ϓϥοτϑΥʔϜ •։ൃऀ͕ࣗ਎ͷΞϓϦέʔ γϣϯʹLLMͷػೳΛ૊Έࠐ Ήࡍʹར༻Ͱ͖Δ 5 ͓͞Β͍3 IUUQTQMBUGPSNPQFOBJDPNEPDT HVJEFTHQUDIBUDPNQMFUJPOTBQJ
   
6. 
   IUUQTHJUIVCDPNIXDIBTFMBOHDIBJO
   LangChain 6
7. LLMΛ׆༻ͨ͠ߴ౓ͳΞϓϦέʔγϣϯͷ։ൃΛָʹ͠ ͯ͘ΕΔϑϨʔϜϫʔΫ •LLMͱGoogleݕࡧΛ࿈ܞͨ͠ΞϓϦ •ࢦఆτʔΫϯ਺಺Ͱձ࿩ཤྺΛ΋ͭΞϓϦ •ಠࣗσʔλΛݩʹճ౴͢ΔΞϓϦ 7 LangChainͱ͸
8. •ศརϞδϡʔϧ͕༻ҙ͞Ε͓ͯΓɺͦΕΒΛ૊Έ߹ΘͤΔ͜ ͱͰɺෳࡶͳॲཧΛߦ͏ΞϓϦέʔγϣϯ͕։ൃͰ͖Δɻ •OpenAIͷLLMҎ֎΋ɺ༷ʑͳLLMΛαϙʔτ͍ͯ͠Δɻ •GoogleݕࡧͳͲ࿈ܞՄೳͳ֎෦αʔϏε΋ଟ͘αϙʔτɻ •Python΍JavaScript / TypeScriptͰར༻Մೳɻ 8 LangChainͷಛ௃
9. LangChainΛར༻ͨ͠ΞϓϦ։ൃͷྲྀΕ 1. ։ൃ؀ڥͷ४උ 2. LangChainͷཧղͱ࣮ફ 3. WebΞϓϦέʔγϣϯ։ൃ 9
10. •ϓϩάϥϜΛಈ͔͢ϋʔυϧ͕Լ͕Δ͜ͱ •LangChainͷར఺ͱ࢖༻ํ๏ʹؔ͢Δཧղ͕ਂ·Δ͜ͱ •LangChainΛར༻ͨ͠LLMͷΞϓϦέʔγϣϯެ։΁ͷ஌ݟ ΛਂΊΔ͜ͱ 10 ຊηογϣϯͷ໨ඪ
11. LangChainΛར༻ͨ͠ΞϓϦ։ൃͷྲྀΕ 1. ։ൃ؀ڥͷ४උ 2. LangChainͷཧղͱ࣮ફ 3. WebΞϓϦέʔγϣϯ։ൃ 11
12. (PPHMF
    $PMBCPSBUPSZʢུশɿ$PMBCʣ
    IUUQTDPMBCSFTFBSDIHPPHMFDPN ͓͢͢Ίͷ։ൃ؀ڥ 12
13. ॆ෼ͳ։ൃ؀ڥ •؀ڥߏஙෆཁͰPythonίʔυΛهड़ɺ࣮ߦͰ͖Δ •GoogleΞΧ΢ϯτ͕͋Ε͹ϒϥ΢βܦ༝Ͱ͙͢ʹ࢖͑Δ •ແྉͷGPUΛఏڙ͓ͯ͠Γɺߴ౓ͳܭࢉΛߦ͑Δ •Google Driveͱͷ࿈ܞͰɺೖग़ྗͷ௕ظอଘ͕Մೳ •ແྉϓϥϯͷ৔߹ɺ࠷௕Ͱ12࣮࣌ؒߦՄೳ 13 Colabͷಛ௃
14. (PPHMFΞΧ΢ϯτʹϩάΠϯͨ͠ঢ়ଶͰɺ$PMBCͷ63-ʹΞΫηε
    IUUQTDPMBCSFTFBSDIHPPHMFDPN
    
    Colabͷར༻ํ๏ 14
15. ʮϊʔτϒοΫΛ৽ن࡞੒ʯΛΫϦοΫ
    Colabͷར༻ํ๏ 15
16. ৽͍͠ϊʔτϒοΫ͕։͖ɺۭͷηϧ͕දࣔ͞ΕΔ
    16 Colabͷར༻ํ๏
17. ηϧʹίʔυΛهड़Ͱ͖Δ
    Colabͷར༻ํ๏ 17
18. ʮηϧͷ࣮ߦʯϘλϯΛԡ͢ͱɺηϧ಺ͷίʔυ͕࣮ߦ͞ΕΔ
    Colabͷར༻ํ๏ 18
19. ʮ
    ίʔυʯΛΫϦοΫ͢Δͱɺηϧ͕௥Ճ͞Ε 
 ௥Ճͷίʔυ͕ೖྗͰ͖Δ Colabͷར༻ํ๏ 19
20. 20 ChatGPTͷAPIΛಈ͔ͯ͠ΈΔ
21. 
    ඞཁͳϥΠϒϥϦΛΠϯετʔϧ
    ChatGPTͷAPIΛ࣮ߦͯ͠ΈΔ 21
22. ؀ڥม਺ʹ0QFO"*
    "1*ΩʔΛηοτ
    22 ChatGPTͷAPIΛ࣮ߦͯ͠ΈΔ
23. νϟοτ༻ͷ"1*Λ࣮ߦ 23 ChatGPTͷAPIΛ࣮ߦͯ͠ΈΔ
24. Colab •Google͕ແྉఏڙ͢ΔΫϥ΢υϕʔεͷPython࣮ߦ؀ڥ •GoogleΞΧ΢ϯτ͕͋Ε͹ϒϥ΢βܦ༝Ͱ͙͢࢖͑Δ •ແྉͷGPU΍GoogleυϥΠϒͱͷσʔλ࿈ܞՄೳ 24 1ষͷ·ͱΊ
25. LangChainΛར༻ͨ͠ΞϓϦ։ൃͷྲྀΕ 1. ։ൃ؀ڥͷ४උ 2. LangChainͷཧղͱ࣮ફ 3. WebΞϓϦέʔγϣϯ։ൃ 25
26. LLMΛ׆༻ͨ͠ߴ౓ͳΞϓϦέʔγϣϯͷ։ൃΛָʹ͠ ͯ͘ΕΔϑϨʔϜϫʔΫ •LLMͱGoogleݕࡧΛ࿈ܞͨ͠ΞϓϦ •ࢦఆτʔΫϯ಺Ͱձ࿩ཤྺΛ΋ͭΞϓϦ •ಠࣗσʔλΛݩʹճ౴͢ΔΞϓϦ 26 LangChainͱ͸ʢ࠶ܝʣ
27. •ศརͳϞδϡʔϧ͕༻ҙ͞Ε͓ͯΓɺͦΕΒΛ૊Έ߹ΘͤΔ ͜ͱͰɺෳࡶͳॲཧΛߦ͏ΞϓϦέʔγϣϯ͕։ൃͰ͖Δɻ •༷ʑͳLLMΛαϙʔτɻ •࿈ܞՄೳͳ֎෦αʔϏε΋ଟ͍ɻ •Python΍JavaScript / TypeScriptͰར༻Մೳɻ 27 LangChainͷಛ௃ʢ࠶ܝʣ
28. 28 ͲͷΑ͏ͳϞδϡʔϧ͕͋Δ͔
29. •ModelsɿLLMͷݺͼग़͠ػೳ •Promptsɿೖྗ৘ใ͔ΒϓϩϯϓτΛ࡞੒͢Δػೳ •ChainsɿLLM΍Promptsͷೖग़ྗΛܨ͛Δػೳ •Memoryɿձ࿩ཤྺͷอଘػೳ •AgentsɿͲΜͳखஈɾॱংͰ࣮ߦ͢Δ͔ܾఆ͢Δػೳ 29 LangChainͷओͳϞδϡʔϧ
30. LLMͷݺͼग़͠ػೳ •OpenAIͷLLMʢGPT-3΍GPT-4ʣͳͲɺ༷ʑͳαʔϏε͕ఏ ڙ͍ͯ͠ΔϞσϧΛར༻Ͱ͖Δػೳ •LLMؒͰΠϯλʔϑΣʔε͕ڞ௨Խ͞Ε͍ͯΔҝɺҟͳΔ LLMΛར༻͢Δ࣌΋෼͔Γ΍͍͢ 30 Modelsͱ͸
31. •Anthropic •Azure •Bedrock •Google Cloud Platform Vertex AI PaLM •OpenAI ͳͲ https://python.langchain.com/docs/modules/model_io/models/llms/ 31 ࢀߟɿαϙʔτ͞Ε͍ͯΔαʔϏεྫ
32. ඞཁͳϥΠϒϥϦΛΠϯετʔϧͯ͠ɺ؀ڥม਺Ληοτ
    
    Modelsͷ࢖͍ํ 32
33. 0QFO"*ͷ--.ʢ(15ʣΛར༻
    .PEFMΛॳظԽ͠ɺϝοηʔδͷϦετΛ༩࣮͑ͯߦ
    Modelsͷ࢖͍ํ 33
34. 0QFO"*ͷ--.ʢ(15ʣ
    ҟͳΔLLMͷΠϯλʔϑΣʔεͷൺֱ 34 "OUISPQJDͷ--.
    ˠҟͳΔ--.Ͱ΋ಉ͡Α͏ͳݺͼग़͠ํͰ࣮ߦͰ͖Δ
    
35. ೖྗ৘ใ͔ΒϓϩϯϓτΛ࡞੒͢Δػೳ •ϓϩϯϓτ͸໨తͷճ౴ΛಘΔͨΊʹॏཁͳཁૉ •LangChain͸ϓϩϯϓτͷૢ࡞ͱߏஙΛ؆୯ʹ͢ΔػೳΛఏ ڙ •ྫ͑͹ɺϓϩϯϓτςϯϓϨʔτ಺ͷҰ෦ͷม਺Λɺϓϩά ϥϛϯάͷೖྗͰஔ͖׵͑Δ͜ͱ͕Ͱ͖Δ 35 Promptsͱ͸
36. ඞཁͳϥΠϒϥϦΛΠϯετʔϧͯ͠ɺ؀ڥม਺Ληοτ
    
    Promptsͷ࢖͍ํ 36
37. ϓϩϯϓτͷςϯϓϨʔτ಺ʹ஬৯͍ͷΑ͏ʹม਺Λ࢓ࠐΉ͜ͱ͕Ͱ͖Δ
    ϓϩάϥϛϯά࣮ߦ࣌ʹॊೈʹςϯϓϨʔτΛͰ͖Δ 
 Promptsͷ࢖͍ํ 37
38. ॊೈʹϓϩϯϓτςϯϓϨʔτΛมߋͰ͖ΔΑ͏ʹͳΓɺ 
 ෳࡶͳλεΫ͕΍Γ΍͘͢ͳΔ Promptsͷ࢖͍ํ 38
39. Models΍Promptsͷೖग़ྗΛܨ͛Δػೳ •ModelsͱPromptsͱ͍ͬͨϞδϡʔϧΛ࿈࣮݁ͯ͠ߦ͕Ͱ͖ Δ •ModelsͱPromptsͷ૊Έ߹ΘͤΛɺผͷModelsͱPromptsͷ ૊Έ߹Θͤʹ࿈݁͢Δ͜ͱ΋Մೳ •͜ͷΑ͏ʹϞδϡʔϧΛ؆୯ʹ࿈݁Ͱ͖Δ͜ͱͰɺAPIΛ୯ ମͰར༻͢ΔΑΓ΋࣮૷ָ͕ʹͳͬͯ͘Δ 39 Chainsͱ͸
40. ඞཁͳϥΠϒϥϦΛΠϯετʔϧͯ͠ɺ؀ڥม਺Ληοτ
    
    Chainsͷ࢖͍ํ 40
41. .PEFMTͱ1SPNQUTͷίʔυΛ࿈࣮݁ͯ͠ߦ
    Chainsͷ࢖͍ํ 41
42. ձ࿩ཤྺͷอଘػೳ •APIΛར༻͢Δ৔߹ɺձ࿩ཤྺͷอଘ͸ಠ࣮ࣗ૷͕ඞཁ •MemoryΛར༻͢Δ͜ͱͰɺಠ࣮ࣗ૷෦෼Λॊೈˍ؆୯ʹ࣮ ૷Մೳ •ྫ͑͹ɺݹ͍ձ࿩͸ཁ໿ͯ͠ɺ௚ۙͷձ࿩͸ͦͷ··อ࣋͢ ΔͷΑ͏ͳॲཧ΋؆୯ʹ࣮૷Ͱ͖Δ 42 Memoryͱ͸
43. •ConversationBufferWindowMemoryɿ௚ۙkݸͷཤྺΛ࢖༻ •ConversationTokenBufferMemoryɿτʔΫϯ਺಺ͰཤྺΛ࢖༻ •ConversationSummaryBufferMemoryɿݹ͍ձ࿩͸ཁ໿ͯ͠ɺ௚ ۙͷձ࿩͸ͦͷ··อ࣋ͯ͠࢖༻ɻ ͳͲ https://python.langchain.com/docs/modules/memory/ 43 ఏڙ͞Ε͍ͯΔMemory
44. UJLUPLFOʢτʔΫϯ਺Λऔಘ͢ΔʣϥΠϒϥϦΛ௥Ճ
    ConversationSummaryBufferMemoryͷར༻ྫ 44
45. $IBUNPEFMΛར༻ͯ͠$POWFSTBUJPO4VNNBSZ#V ff FS.FNPSZΛར༻
    ཁ໿ͱ࠷৽ͭͷ΍ΓͱΓ͕อଘ͞Ε͍ͯΔ
    ConversationSummaryBufferMemoryͷར༻ྫ 45
46. ͲΜͳखஈɾॱংͰ࣮ߦ͢Δ͔ܾఆ͢Δػೳ •ChainsΑΓ΋ෳࡶͳλεΫ࣮ߦՄೳ •ϢʔβʔೖྗʹΑͬͯɺ࣮ߦ͞ΕΔػೳ͕มΘΔ •ॲཧͷྲྀΕ͸ɺʮೖྗˠ(ਪ࿦ˠ࣮ߦˠ؍࡯) * N→ճ౴ʯ •Google΍BingͳͲͷ֎෦αʔϏεΛ؆୯ʹར༻Ͱ͖Δػೳ ʢToolsʣͱ࿈ܞՄೳ 46 Agentsͱ͸ʁ
47. •awslambda •Bing Search •ChatGPT Plugins •Google Search •Twilio •Wikipedia •Zapier Natural Language Actions API ͳͲ https://python.langchain.com/docs/modules/agents/tools/ 47 ࿈ܞͰ͖Δ֎෦αʔϏεʢToolsʣ
48. •zero_shot_react_descriptionɿReAct ͱ͍͏ਪ࿦ػೳͱߦಈ ػೳΛ༻͍Δख๏Λ࢖༻ͯ͠ͲͷToolsΛ࢖༻͢Δ͔Λܾఆɻ •conversational-react-descriptionɿReAct Λ࢖༻ͯ͠Ͳͷ ToolsΛ࢖༻͢Δ͔Λܾఆɻ ձ࿩ʹ࠷దԽ͞Ε͓ͯΓɺ MemoryΛ࢖༻ͯ͠ձ࿩ཤྺ΋ߟྀͰ͖Δɻ https://python.langchain.com/docs/modules/agents/ 48 ఏڙ͞Ε͍ͯΔAgents
49. %VDLEVDLHPTFBSDIʢݕࡧΤϯδϯʣϥΠϒϥϦΛ௥Ճ
    Agentsͷར༻ྫ 49
50. %VDLEVDLHPTFBSDIʢݕࡧΤϯδϯʣϥΠϒϥϦΛ௥Ճ
    Agentsͷར༻ྫ 50
51. •ModelsɿLLMͷݺͼग़͠ػೳ •Promptsɿೖྗ৘ใ͔ΒϓϩϯϓτΛ࡞੒͢Δػೳ •ChainsɿLLM΍Promptsͷೖग़ྗΛܨ͛Δػೳ •Memoryɿձ࿩ཤྺͷอଘػೳ •AgentsɿͲΜͳखஈɾॱংͰ࣮ߦ͢Δ͔ܾఆ͢Δػೳ 51 LangChainͷओͳϞδϡʔϧʢ࠶ܝʣ
52. IUUQTHJUIVCDPNLZSPMBCTBXFTPNFMBOHDIBJO
    [ࢀߟ]LangChainͷΞοϓσʔτΛ௥͑ΔαΠτ 52
53. LangChain •LLMΛ׆༻ͨ͠ߴ౓ͳΞϓϦέʔγϣϯ։ൃΛࢧԉ͢Δϑ ϨʔϜϫʔΫ •༻ҙ͞Ε͍ͯΔϞδϡʔϧΛ૊Έ߹ΘͤΔ͜ͱͰɺෳࡶͳॲ ཧ͕࣮૷͠΍͘͢ͳΔ •LangChainͷ࠷৽৘ใΛ௥͏ͱɺLLMͷ࠷৽৘ใ΋Ωϟον ΞοϓͰ͖ͯҰੴೋௗ 53 2ষͷ·ͱΊ
54. LangChainΛར༻ͨ͠ΞϓϦ։ൃͷྲྀΕ 1. ։ൃ؀ڥͷ४උ 2. LangChainͷཧղͱ࣮ફ 3. WebΞϓϦέʔγϣϯ։ൃ 54
55. 4USFBNMJUʢετϦʔϜϦοτʣ 
 IUUQTTUSFBNMJUJP ͓͢͢ΊͷWebΞϓϦέʔγϣϯϑϨʔϜϫʔΫ 55
56. •PythonͰWebΞϓϦέʔγϣϯΛ։ൃ͢ΔͨΊͷϑϨʔϜ ϫʔΫ •ֶशίετ͕௿͘ɺര଎ͰΞϓϦΛ։ൃՄೳ •LangChainͱͷ౷߹ͷυΩϡϝϯτ΋๛෋ 56 Streamlitͷಛ௃
57. 57 ͲΕ͚ͩ؆୯ʹͭ͘ΕΔͷ͔ʁ
58. 10ߦͷίʔυ 58
59. ؆୯ͳνϟοτΞϓϦ͕׬੒ 59 IUUQTHJUIVCDPNUBLBBLJLBLFJEFNPTUSFBNMJUMBOHDIBJOCMPCNBJOQBHFTFDIPDIBUVJQZ
    
60. 30ߦͷίʔυʢLangChainͷॲཧ௥Ճʣ 60
61. IUUQTHJUIVCDPNUBLBBLJLBLFJEFNPTUSFBNMJUMBOHDIBJOCMPCNBJOQBHFTMBOHDIBJOEEH TFBSDIQZ
    LangChainΛར༻ͨ͠νϟοτΞϓϦ׬੒ 61
62. IUUQTEPDTTUSFBNMJUJPLOPXMFEHFCBTFUVUPSJBMTCVJMEDPOWFSTBUJPOBMBQQT
    [ࢀߟ]StreamlitͷνϡʔτϦΞϧ 62
63. IUUQTCMPHTUSFBNMJUJPUBHUVUPSJBMT
    [ࢀߟ]StreamlitͷνϡʔτϦΞϧϒϩά 63
64. IUUQTHJUIVCDPNNJDSPTPGUB[PBJDIBUHQUTUSFBNMJUIBSOFTT
    [ࢀߟ]MicrosoftͷϦϙδτϦ 64
65. 65 WebΞϓϦͷެ։ʹ͍ͭͯ
66. •WebSocketʹରԠ͍ͯ͠ΔαʔϏεʹσϓϩΠ͕ඞཁ •ެࣜͷೝূػೳ͕ఏڙ͞Ε͍ͯͳ͍ •جຊతʹαʔόαΠυͰॲཧ͞ΕΔͨΊɺΞΫηεूத࣌ʹ ෆ҆͋Γ 66 ެ։࣌ͷ՝୊
67. •WebSocketʹରԠ͍ͯ͠ΔαʔϏεʹσϓϩΠ͕ඞཁ
 →Cloud RunͳͲʹσϓϩΠ •ެࣜͷೝূػೳ͕ఏڙ͞Ε͍ͯͳ͍
 →σϓϩΠઌͷηΩϡϦςΟαʔϏε or αʔυύʔςΟͷϞδϡʔ ϧΛར༻
 https://zenn.dev/google_cloud_jp/articles/streamlit-02- fi rebase
 
 https://zenn.dev/matken/articles/restrict-cloud-run-to-in-house
 
 https://github.com/mkhorasani/Streamlit-Authenticator •جຊతʹαʔόαΠυͰॲཧ͞ΕΔͨΊɺΞΫηεूத࣌ʹෆ҆͋Γ
 →·ͣ͸ಈ͘΋ͷΛ࡞Δͱ͍͏ελϯεͰɺখن໛Ͱͷར༻Λݕ౼ 67 StreamlitͰ։ൃͨ͠ΞϓϦͷ՝୊ˠղܾҊʗߟ࡯
68. Streamlit •PythonͰWebΞϓϦέʔγϣϯΛ࡞੒͢ΔͨΊͷϑϨʔϜ ϫʔΫ •ֶशίετ͕௿͘ɺര଎ͰΞϓϦΛ։ൃՄೳ •খن໛޲͚͕ͩɺ͸͡ΊͷҰาͱ͓ͯ͢͢͠Ί 68 3ষͷ·ͱΊ
69. LangChainΛར༻ͨ͠ΞϓϦ։ൃͷྲྀΕ 1. ։ൃ؀ڥͷ४උ 2. LangChainͷཧղͱ࣮ફ 3. WebΞϓϦέʔγϣϯ։ൃ 69
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