DjangoとJupyterで捗るPyData

8/8(木)の #stapy 発表資料です

Transcript

1. 2019/8/8
   DjangoͱJupyterͰḿΔPyData
   ۽୩ ୓໵
   TwitterIDɿ@kumappp27
   

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2. ͓લɺ୭Α
   ✤ ʮ۽୩ʯʢϋϯυϧωʔϜɿ͘·ͽʣͱ͍͍·͢
   ✤ TwitterID:@kumappp27
   ✤ ਓࡐܥͷձࣾͰWebΤϯδχΞ΍ͬͯ·͢
   ✤ Python͸झຯ։ൃͰΑ͘ར༻ɺେ޷͖ͳ໺ٿͷγες
   Ϝ࡞ͬͯ·͢
   ✤ #stapy ॳొஃͰ͢ʂυۓுͯ͠·͕͓ٓ͘͢͠ئ͍͠
   ·͢ʂ
   

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3. ࠓ೔࠷ॳʹݴ͓͖͍ͬͯͨ͜ͱ͕͋Γ·͢
   

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4. Ұࡢ೔ʢ6೔ʣ஀ੜ೔Ͱͨ͠Νʔʂ
   Happy birthday to me !
   

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5. ਖ਼௚͋·Γ…
   ਏ͍Ͱ͢ɺ20୅࠷ޙʢͷ஀ੜ೔ʣ͔ͩΒ
   

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6. ݸਓతͳωλ͸͓͖ͯ͞ɺຊ೔ͷ͓୊
   

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7. DjangoͱJupyterͰḿΔPyData
   

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8. ͓୊ʹ͍ͭͯᶃ
   ✤ ͦ΋ͦ΋PythonΛ࢝Ίͨͷ͸ɺσʔλ෼ੳ͕͖͔͚ͬ
   ✤ ͳͥσʔλ෼ੳ͔ͨͬͨ͠ͷ͔ͱ͍͏ͱɺ୯७ʹझຯ
   ͷ໺ٿͱབྷΊΒΕΔ෼໺͔ͩͬͨΒ
   ✤ ҰํͰۀ຿Ͱ͸Webܥͷ࡞ۀΛΑ͘΍ͬͯͯʢNot
   Pythonʣσʔλ෼ੳΛֶΜͰ͍͘͏ͪʹɺʮ݁ߏWeb
   ͷ஌ࣝ׆͔ͤΔͳʯͱࢥ͍ɺ͜ͷࢥ͍Λڞ༗ͨ͘͠ຊ
   ೔ͷςʔϚΛܾΊ·ͨ͠
   

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9. ͓୊ʹ͍ͭͯᶄ
   ✤ ͦͷதͰͳͥDjangoͱJupyterʹߜ͔ͬͨͱ͍͏ͱɺ
   ݩʑJupyterΛϝΠϯͰ࢖͍ͬͯͨͷͰ͕͢
   1. DjangoΛֶͼ࢝Ίͨஈ֊Jupyter֦ுػೳ͕͋Δͱ
   ஌ͬͨ͜ͱ
   2. ͦΕʹΑͬͯDjangoͷϞσϧΛJupyter্Ͱ࢖͑Δɺ
   ͱ͍ͬͨ఺ʹՁ஋Λݟग़ͨ͜͠ͱ
   ✤ ͜ΕΒ͕ओͳཁҼͰ͢
   

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10. એ఻
    ✤ ຊτʔΫͷBeginner޲͚ͷ࿩ʮDjangoͱJupyterͰ࢝
    ΊΔPyDataʯ͕PyCon JP 2019ʹͯ15෼τʔΫͰ࠾୒
    ͞Ε·ͨ͠
    ✤ ΋͠Α͚Ε͹ௌ͖ʹ͖͍ͯͩ͘͞
    

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11. ͬ͘͟Γ֓ཁ
    ✤ ຊτʔΫ͸Django×Jupyterͳ؀ڥͷྑ͞Λ఻͑Δ͜ͱ
    Λ໨తͱ͍ͯ͠·͢
    ✤ Jupyterͷ࠾༻໨త͸౰વσʔλ෼ੳͷͨΊͰ͕͢ɺ
    ΋ͪΖΜػցֶशʹ΋Ԡ༻Ͱ͖·͢
    ✤ PyDataΛ͢Δʹ͋ͨͬͯɺσʔλϋϒͱͯ͠
    Django×Jupyter؀ڥ͕σϑΝΫτελϯμʔυʹͳΔ
    Μ͡Όͳ͍͔ͳɺͱࢥͬͨΓࢥΘͳ͔ͬͨΓ
    

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12. ΞδΣϯμ
    ✤ ࿩͢͜ͱ͸ԼهΛ༧ఆ͍ͯ͠·͢
    1. Django×Jupyterͷಋೖ
    2. ಋೖͷϝϦοτ
    3. ׆༻ํ๏ʢҊʣ
    

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13. Django×Jupyterͷಋೖ
    

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14. ಋೖ͸ͱͬͯ΋؆୯
    ✤ django-extensions ΛΠϯετʔϧ͢Δ͚ͩʂ
    ✤ pipͰΠϯετʔϧ͢Δ৔߹͸ 

    $ pip install django-extensions
    ✤ setting.pyͷINSTALLED_APPSʹҎԼΛ௥Ճ

    ‘django_extensions'
    ✤ ࢀߟɿhttps://github.com/django-extensions/django-extensions
    

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15. Jupyterͷىಈ΋ϥΫνϯ
    ✤ manage.pyͷ͋ΔϑΥϧμͰҎԼίϚϯυΛ࣮ߦ

    $ python manage.py shell_plus —notebook
    ✤ ىಈʹ੒ޭͨ͠Βɺදࣔ͞ΕͨURLΛϒϥ΢βͰΞΫηε
    ✤ $ jupyter notebook Λ࣮ߦ͢Δͷͱ΄΅ಉ͡ʂ
    

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16. DjangoͷϞσϧΛJupyterͰར༻͢Δ
    ✤ Jupyter্ͰϞσϧΛimport͢Δ͚ͩͰ௨ৗ௨ΓϞσ
    ϧ͕ར༻Ͱ͖·͢ʂ
    ✤ ෳࡶͳઃఆ౳͸ෆཁͰ͢
    ※ͪ͜Β͸ҰྫͰ͢
    

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17. ಋೖͷϝϦοτ
    

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18. ಋೖͷϝϦοτ͸ʁ
    ✤ ࣮ࡍ͸DjangoͷϞσϧΛJupyter্Ͱ࢖͑Δʮ͚ͩʯ
    ͷػೳͰ͕͢ɺͦΕʹΑΔϝϦοτ͸͍͔ͭ͘ڍ͛Β
    Ε·͢
    ✤ ओʹDjangoͷϞσϧΛར༻ͨ͠ڧྗͳORMͷԸܙΛ
    Jupyter্Ͱत͔Δܗ
    

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19. 1. ෼ੳ݁Ռ΍Ճ޻σʔλͷεϜʔζͳొ࿥
    ✤ create()ΛJupyter্Ͱݺ΂ΔͷͰɺpandas౳Λ༻͍ͯ
    ࡞ΒΕͨσʔλΛͦͷ··DBʹొ࿥Ͱ͖·͢
    ✤ SQLΛॻ͔ͳͯ͘΋σʔλ͕ొ࿥Մೳʂ
    

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20. 2. WebΞϓϦσʔλΛαΫοͱ෼ੳʹར༻Ͱ͖Δ
    ✤ ೔ࠒDjango੡ͷWebΞϓϦͰར༻͍ͯ͠ΔσʔλΛɺͦͷ··Jupyter
    ্Ͱར༻Ͱ͖·͢
    ✤ pandasʹΑΔσʔλϑϨʔϜܗࣜͷදࣔͰ͋ͬͨΓɺmatplotlibΛ༻͍
    ͨσʔλͷՄࢹԽͳͲ
    ✤ django-pandas ͱ͍͏ϥΠϒϥϦΛ࢖͑͹ɺϞσϧΛσʔλϑϨʔϜܗ
    ࣜʹม׵Ͱ͖·͢
    

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21. 3. εΫϦϓτΛརศతʹ࣮ߦͰ͖Δ
    ✤ Jupyterͱ͍͏͜ͱͰίʔυͷଈ࣮࣌ߦ͕ڧྗͳGUIʹΑͬ
    ͯͰ͖ΔͷͰɺWebΞϓϦ্ͷσʔλΛCSV౳ʹՃ޻͢
    Δɺͱ͍ͬͨ࡞ۀ΋ஞҰڍಈΛ֬ೝ͠ͳ͕Β࣮ߦͰ͖·͢
    ✤ ※ηΩϡϦςΟ౳ʹ͸഑ྀ͕ඞཁͰ͢
    

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22. ·ͱΊΔͱ…
    ✤ WebΞϓϦ্ͷσʔλΛѻ͏ͨΊͷΠϯλʔϑΣʔε
    ʹɺJupyter͕ͳͬͯ͘Ε͍ͯΔ
    ✤ Web×σʔλΛDjangoͰ͢ΔͳΒJupyterʂ
    

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23. ׆༻ํ๏ʢҊʣ
    

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24. طଘͷWebΞϓϦͰσʔλ෼ੳ΍ػցֶशΛ͍ͨ͠
    ✤ ϥΠϒϥϦΛಋೖ͢Δ͚ͩͳͷͰ௿ίετͰಋೖͰ͖
    ·͢
    ✤ JupyterͷػೳΛ׆͔ͯ͠ɺσʔλ෼ੳ͚ͩͰͳ͘εϥ
    Πυ࡞ΓͳͲ΋Ͱ͖·͢ʢnbextensions΋࢖͑·͢ʣ
    

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25. Jupyter্ͰՃ޻ͨ͠σʔλΛWebAPIԽ͍ͨ͠
    ✤ WebAPIͷ࡞੒͸Django REST Frameworkͱ͍͏ϥΠ
    ϒϥϦΛ࢖͑͹ʢൺֱతʣ༰қʹग़དྷ·͢
    ✤ ϑϩϯτٕज़ͱ݁ͼ͚͍ͭͨ…ͳͲɺ༻్Λ͞Βʹ૿
    ΍͢͜ͱ͕Ͱ͖·͢
    

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26. ࠷ޙʹ
    

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27. Ͳ͏Ͱ͔ͨ͠ʁ
    ✤ WebΞϓϦ΍σʔλʹؔ͢Δٕज़Λษڧ࢝͠Ίͨํʹ
    ݸਓతʹ͸ͥͻקΊ͍ͨͱࢥ͍ͬͯ·͢
    ✤ ͢ͰʹͲ͔ͬͪ͸΍ͬͯΔΑʂͬͯਓ΋རศੑͷ޲্
    ΍஌ݟͷձಘʹ׆͔ͤ·͢ʂ
    

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28. ͜ͷՆ͸…
    ✤ Webͱσʔλͷೋ౛ྲྀͰ։ൃͩʂ
    

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29. Ҏ্ɺ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
    

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