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Beginning PyData with Django and Jupyter
kuma127
September 17, 2019
Programming
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Beginning PyData with Django and Jupyter
PyCon JP 2019 9/17 16:15~
kuma127
September 17, 2019
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Transcript
2019/9/17 DjangoͱJupyterͰ࢝ΊΔPyData ۽୩ TwitterIDɿ@kumappp27
͓લɺ୭Α ✤ ʮ۽୩ʯʢϋϯυϧωʔϜɿ͘·ͽʣͱ͍͍·͢ ✤ TwitterID:@kumappp27 ✤ ਓࡐܥͷձࣾͷWebΤϯδχΞ ✤ Pythonझຯ։ൃͰΑ͘ར༻ɺ େ͖ͳٿͷγεςϜΛ࡞
✤ #pyconjp ॳొஃͰ͢ʂυۓுͯ͠·͕͓ٓ͘͢͠ئ͍ ͠·͢ʂ
ຊͷ͓
DjangoͱJupyterͰ࢝ΊΔPyData
ൃදʹࢸ͖͔͚ͬͨͬᶃ ✤ ٿͷσʔλੳ͕ͨ͘͠Pythonελʔτ ✤ Jupyter NotebookΛѪ༻ ✤ Webͷཱࣝͭ͜ͱ͕໌ʢεΫϨΠϐϯάͱ͔
WebDataɺͲͬͪΓ͍ͨʂ
ൃදʹࢸ͖͔͚ͬͨͬᶄ ✤ ௐͯΈͨΒ DjangoͷϞσϧΛJupyter্Ͱ͑Δ ✤ ͔͠؆୯ɺͦͯ͠ສೳʂ ✤ ͜Εར༻ɾڞ༗͢Δ͔͠ͳ͍ʂ
ຊτʔΫͷత ✤ Django×Jupyterͳڥͷྑ͞Λ͑Δ͜ͱ ✤ ΦʔϧΠϯϫϯڥͰ࡞ۀֶशḿΔ͜ͱ
ΞδΣϯμ ✤ ͢͜ͱԼهΛ༧ఆ͍ͯ͠·͢ 1. DjangoͱJupyterͷ؆୯ͳհ 2. ਪ͍ͨ͠ཧ༝ 3. Django×JupyterͷΈ߹Θ͞ΔΠϝʔδ 4.
ڥߏஙํ๏ 5. ΦεεϝϥΠϒϥϦɾϓϥάΠϯҰྫ
DjangoͱJupyterͷ؆୯ͳհ
Djangoʹ͍ͭͯ ✤ DjangoʢδϟϯΰʣͱɺPythonͰ࣮͞ΕͨWeb ϑϨʔϜϫʔΫɻMVCσβΠϯύλʔϯʹ؇͔ʹै ͏ɻʢWikipediaΑΓʣ ✤ ڧྗͳORM͕͋Δ͜ͱͱɺϑϧελοΫͰ͋Δ͕ ࠾༻ཧ༝ɻ
Jupyterʹ͍ͭͯ ✤ ࠓճJupyterͷఏڙ͢ΔαʔϏεͷ ʮJupyter NotebookʯΛରɻ ✤ Jupyter Notebookɺίʔυͷଈ࣮࣌ߦՄࢹԽɺυ Ωϡϝϯτͷ࡞͕ߦ͑ΔWebΞϓϦέʔγϣϯɻ
Django×JupyterΛਪ͍ͨ͠ཧ༝
ਪ͍ͨ͠ཧ༝ 1. ϥΠϒϥϦΛ1ճΠϯετʔϧ͢Δ͚ͩ 2. DjangoٴͼJupyterͷϓϥάΠϯ͕๛ ˠΧόʔͰ͖Δൣғ͕͘ͳΔ
ͭ·Γ… ✤ खࠒʹDjango(Web)ͱJupyter(Data)ͷೋྲྀͳ ສೳڥ͕࡞ΕΔ
Django×JupyterͷΈ߹Θ͞ΔΠϝʔδ
DjangoͱJupyter͕Έ߹Θ͞ΔΠϝʔδ ✤ DjangoͷϞσϧΛJupyter্Ͱ͑Δʮ͚ͩʯ ✤ ओʹDjangoͷϞσϧΛར༻ͨ͠ڧྗͳORMͷԸܙΛ Jupyter্Ͱत͔Δܗ
ຊདྷJupyterͰDBʹΞΫηε͢Δ࣌ ✤ Jupyter্ͰɺDBʹͭͳ͙Πϝʔδ SQL
JupyterͰDBʹͭͳ͙࣌ͷ ✤ ඞཁͳॲཧ͕ଟ͍ - Jupyter্Ͱೝূઃఆ ɹଓॲཧ͕ඞཁ - جຊతʹSQLͰσʔλͷ ɹΓऔΓΛߦ͏ඞཁ͋Γ
Django×JupyterͰ ✤ DjangoΛհͯ͠ɺDBʹΞΫηε͢ΔΠϝʔδ ORM
DBར༻͕؆୯ʹ ✤ ࡞ۀͷ؆ུԽ - ଓઃఆɺ վΊͯΔඞཁͳ͠ - DjangoͷORM͕͑ΔͷͰɺ σʔλॲཧϥΫ
Έ߹ΘͤΔͱ͜Μͳ͜ͱ͕ग़དྷΔ
WebΞϓϦσʔλΛαΫοͱੳ ✤ WebΞϓϦͷσʔλΛɺͦͷ··Jupyter্Ͱར༻Ͱ͖Δ ✤ طଘڥʹେ͖ͳӨڹͳ͠ ✤ άϥϑදࣔεϥΠυԽ༰қ
εΫϦϓτΛརศతʹ࣮ߦͰ͖Δ ✤ WebΞϓϦ্ͷσʔλΛCSVʹՃ͢Δɺ ͱ͍ͬͨ࡞ۀஞҰڍಈΛ֬ೝ͠ͳ͕Β࣮ߦͰ͖Δ ✤ pandas͑ΔͷͰՃϥΫ ✤ ※વ࠷ॳςετڥͰ࣮ߦ͢Δɺͱ͍ͬͨ࠷ݶͷ ྀඞཁ
·ͱΊΔͱ… ✤ Web্ͷσʔλΛѻ͏ͨΊͷɺ ΠϯλʔϑΣʔεʹ Jupyter͕ͳͬͯ͘Ε͍ͯΔʂ
Django×Jupyterͷڥߏஙํ๏
Djangoͷڥߏங
Djangoͷڥߏங ✤ جຊతʹެࣜαΠτ௨Γͷߏஙํ๏ͰOK ✤ $ pip install django ✤ $
conda install django (Anacondaͷ߹) ✤ ※͍ͣΕͷ߹ԾڥΛཱͯͯΠϯετʔϧ͢Δ ͷ͕Φεεϝ
ΞϓϦͷ࡞ ✤ JupyterΛಋೖ͢ΔͨΊʹɺͱΓ͋͑ͣΞϓϦΛ࡞ $ django-admin startproject test_project $ cd test_project
$ python manage.py startapp test_app ✤ ʮtest_projectʯͱ͍͏ϓϩδΣΫτʹʮtest_appʯͱ ͍͏ΞϓϦΛ࡞ ✤ ※ৄ͘͠ެࣜυΩϡϝϯτࢀর (https://docs.djangoproject.com/ja/2.2/)
Jupyterͷಋೖ
ಋೖͱͬͯ؆୯ ✤ django-extensions ΛΠϯετʔϧ͢Δ͚ͩʂ ✤ pipͰΠϯετʔϧ͢Δ߹ $ pip install
django-extensions ✤ setting.pyͷINSTALLED_APPSʹҎԼΛՃ ‘django_extensions' ✤ ࢀߟɿhttps://github.com/django-extensions/django-extensions
JupyterͷىಈϥΫνϯ ✤ manage.pyͷ͋ΔϑΥϧμͰҎԼίϚϯυΛ࣮ߦ $ python manage.py shell_plus —notebook ✤ ىಈʹޭͨ͠Βɺදࣔ͞ΕͨURLΛϒϥβͰΞΫηε
✤ $ jupyter notebook Λ࣮ߦ͢Δͷͱ΄΅ಉ͡ʂ
DjangoͷϞσϧΛJupyterͰར༻͢Δ ✤ Jupyter্ͰϞσϧΛimport͢Δ͚ͩͰ ௨ৗ௨ΓϞσϧ͕ར༻Մೳʂ ✤ ෳࡶͳઃఆෆཁ ✤ ※ڥʹΑͬͯԼه4ߦͷ࣮ߦ͕ඞཁʹͳΓ·͢
ར༻Πϝʔδ ✤ DjangoͷORMͰऔಘͨ͠σʔλΛσʔλϑϨʔϜʹม
ʢ͓·͚ʣDockerͷઃఆͱҙ ✤ جຊతͳ࡞ΓํࠓճׂѪɺ ৄ͘͠DockerެࣜυΩϡϝϯτʹͯ ʢhttps://docs.docker.com/compose/django/ʣ ✤ Dockerʹͯઌड़ͷJupyterͷಋೖ·Ͱߦ͏ࡍɺ Jupyter༻ͷϙʔτͷ͚͕݀͋ඞਢͳͷͰҙ ΞΫηεͰ͖ͳ͘ͳΔʢܦݧஊʣ
ΦεεϝϥΠϒϥϦɾϓϥάΠϯҰྫ
ΦεεϝϥΠϒϥϦɾϓϥάΠϯͷҰྫ ✤ DjangoJupyterΛར༻͢Δ্Ͱ ཱͭϥΠϒϥϦϓϥάΠϯΛग़དྷΔݶΓհ ✤ ଞʹͨ͘͞Μ͋ΔͷͰɺڵຯΛ࣋ͬͨํௐͯΈ ͍ͯͩ͘͞
PyDataʹ͓͍ͯͷΦεεϝ ✤ Numpy ଟ࣍ݩྻΛαϙʔτ͢Δɺܭࢉ༻Ϟδϡʔϧ ػցֶशͷԋࢉʹศར ✤ pandas σʔλϑϨʔϜܗࣜͷྻΛఏڙ͢ΔϥΠϒϥϦ σʔλͷՄࢹԽɾՃʹ༏ΕΔ ✤
matplotlib PythonNumpyͷͨΊͷάϥϑඳըϥΠϒϥϦ ✤ ※ػցֶशपΓͷπʔϧࢲ͕ະܦݧͷͨΊ֎͍ͯ͠·͢…
Jupyterʹ͓͍ͯͷΦεεϝ ✤ nbextensions Jupyterʹ֦ுػೳΛಋೖग़དྷΔ LaTeXͷڥͩͬͨΓίʔυܗͩͬͨΓ ✤ RISE JupyterΛεϥΠυܗࣜʹมͰ͖Δ ඳըͨ͠άϥϑΛͦͷ··εϥΠυࢿྉʹ͢Δ࣌ͳͲʹΦεεϝ
Djangoʹ͓͍ͯͷΦεεϝ ✤ Django REST Framework Web API Λߏங͢ΔͨΊͷπʔϧ ໘ͳAPIͷઃఆ͕؆ུԽͰ͖Δ ✤
Django-filter ↑ͷDRFͱΈ߹ΘͤͯݕࡧػೳΛՃͰ͖Δ ✤ Django-pandas ϞσϧͷσʔλΛσʔλϑϨʔϜܗࣜʹมͰ͖Δ ͦͯ͠σʔλͷՄࢹԽɾՃʹར༻Ͱ͖Δ
࠷ޙʹ
Django×JupyterΛͬͯΈͯ ✤ WebͱσʔλํͷݟΛಘΕͨ - σʔλॲཧɺWeb։ൃಉ͡ڥͰͰ͖Δ - ΞτϓοτͷੵΈॏͶ͕ՄࢹԽ - Ϟνϕʔγϣϯͷҡ࣋ͱɺ࣮ӡ༻Λҙֶࣝͨ͠श ✤
͜Ε͔ΒPyDataΛ࢝ΊΔͳΒɺͥͻDjango×JupyterΛʂ
Ҏ্ɺ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ