Python製Webフレームワークの設計と実装 / How to develop web application framework in Python

高専カンファレンスlol 発表資料 #kosenconf
PythonでWebアプリケーションフレームワークを作るための知識としてWSGIやWAFの構成要素について解説。最後に自作WAFのKobinについて紹介します。

Transcript

1. Masashi Shibata / 2016.04.30 / #kosenconf C-BATA PRESENTS Python੡8FCϑϨʔϜϫʔΫͷݪཧͱ࣮૷
2. Masashi Shibata @c_bata_ WEB ENGINEER ໌ੴߴઐ / Pythonista
3. Handling Request from Clients kobin WEB SERVER WEB APPLICATION REQUEST RESPONSE
4. Handling Request from Clients kobin WEB SERVER WEB APPLICATION REQUEST RESPONSE
5. WSGI ʲ Web Server Gateway Interfaceʳ <֓ཁ> PythonͰ࡞ΔWebΞϓϦέʔγϣϯͷ
 ࣮૷ํ๏ͷඪ४Խ࢓༷ PEP3333
6. ࢓༷ ᶃ ͭͷҾ਺Λ࣋ͬͨݺͼग़͠ՄೳͳΦϒδΣΫτ ᶄ ୈҾ਺ͱͯ͠౉͞ΕͨΦϒδΣΫτΛݺͼग़͠
 )551εςʔλείʔυͱϔομ৘ใΛ౉͢ ᶅ ϨεϙϯεϘσΟͱͯ͠όΠτจࣈྻΛ
   ZJFME͢Δ
 JUFSBCMFΛฦ͢ IUUQTXXXQZUIPOPSHEFWQFQTQFQ
7. def app(env, start_response): start_response('200 OK', [('Content-Type', 'text/plain')]) return [b"Hello World"] Hello World
 with just 3 lines of Python
8. def app(env, start_response): start_response('200 OK', [('Content-Type', 'text/plain')]) return [b"Hello World"] ͭͷҾ਺Λ࣋ͬͨ
 ݺͼग़͠ՄೳͳΦϒδΣΫτ
9. def app(env, start_response): start_response('200 OK', [('Content-Type', 'text/plain')]) return [b"Hello World"] εςʔλε ϔομ৘ใ ୈҾ਺
10. def app(env, start_response): start_response('200 OK', [('Content-Type', 'text/plain')]) return [b"Hello World"] ϨεϙϯεϘσΟ
    όΠτྻ
11. $ gunicorn -w 1 filename:app [2016-04-15 10:17:00 +0900] [1873] [INFO] Starting gunicorn 19.4.5 [2016-04-15 10:17:00 +0900] [1873] [INFO] Listening at: http://127.0.0.1:8000 (1873) [2016-04-15 10:17:00 +0900] [1873] [INFO] Using worker: sync [2016-04-15 10:17:00 +0900] [1878] [INFO] Booting worker with pid: 1878 WSGI SERVER Enable the use of any framework with any server.
12. ͲΜͳػೳ͕ඞཁʁ
13. Function 1 ROUTING ϧʔςΟϯά ࠓ͸Ͳ͜ʹΞΫηεͯ͠΋
    l)FMMP
    8PSMEz
14. Function 2 HTML TEMPLATE HTMLςϯϓϨʔτ ࠓ͸ϓϨʔϯςΩετฦͯ͠Δ͚ͩ
15. Function 3 STATIC FILES ੩తϑΝΠϧ ຊ൪Ͱ͸/HJOYͱ͔࢖ͬͯฦ͚͢Ͳɺ։ൃத͸ʜ
    $44
    +4
    ը૾Λ͍͍ײ͡ʹฦͯ͠ཉ͍͠
16. Function 4 REQUEST OBJECT ϦΫΤετΦϒδΣΫτ ࠓ͸ͨͩͷࣙॻܕΦϒδΣΫτ͕౉͞ΕͯΔ͚ͩ
    ͍͍ײ͡ʹϥοϓͯ͘͠ΕΔΦϒδΣΫτ͕΄͍͠
17. Function 5 RESPONSE OBJECT ϨεϙϯεΦϒδΣΫτ εςʔλεͱ͔ϔομ৘ใͱ͔Λ͍͍ײ͡ʹίϯτϩʔϧ
18. a small and statically-typed web framework kobin https://github.com/c-bata/kobin
19. from kobin import Kobin app = Kobin() @app.route(‘^/$') def hello(): return "Hello World!!" if __name__ == '__main__': app.run()
20. IUUQHJUIVCDPNDCBUBLPCJOFYBNQMF DEMO TODOΞϓϦ [ Kobin + Angular2 ]
21. Kobin is readable (maybe). 84(*ͱ͔1ZUIPOͷจ๏౳ͷཧղ͸ඞཁ
    ࠓͷͱ͜Ζ
    ߦ͙Β͍
    5ZQF
    )JOUJOH
    3PVUJOH
    ͷลΓ͔ΒಡΉͷ͕͍͍͔΋ ! ! ! !
22. 3FGFSFODFT • Documentations • https://kobin.readthedocs.org/ja/latest/ • https://kobin.readthedocs.org/en/latest/ • Kobin Example • https://github.com/c-bata/kobin-example • https://kobin.herokuapp.com/
23. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ THANK YOU