Pythonコーディングスタイル@第2回 Kobe.py勉強会

Transcript

1. PythonίʔσΟϯάελΠϧ ͓ͷ͏͑(@_likr) Kobe.py ୈ2ճษڧձ
2. ࣗݾ঺հ • ͓ͷ͏͑ (@_likr) • ژ౎େֶ ੓ࡦͷͨΊͷՊֶϢχοτ ಛఆॿڭ • ng-kyoto ΦʔΨφΠβʔ
 GDGਆށ ελοϑ • ՄࢹԽΞϓϦέʔγϣϯͷ
 Webϕʔε࣮૷
3. ίʔσΟϯάελΠϧΛ
 ؾʹ͍ͯ͠·͔͢ʁ
4. ίʔσΟϯάελΠϧ • ίʔσΟϯάن໿ɺελΠϧΨΠυ • ίʔυͷॻ͖ํʹؔ͢ΔϧʔϧΛ
 ·ͱΊͨυΩϡϝϯτ • ಉ͡ಈ͖ͷίʔυͷΑΓྑ͍ॻ͖ํΛنఆ͢Δ • There should be one-- and preferably only one -- obvious way to do it.
 (The Zen of Python)
5. ίʔσΟϯάελΠϧΛकΔͱ • όάΛੜΈ΍͍͢ίʔυΛճආͰ͖Δ • νʔϜ಺Ͱίʔυͷ౷ҰɺඇଐਓԽ͕Ͱ͖Δ • ॻ͖ํͷ໎͍͕ݮΔ • ຊ࣭తͳίʔσΟϯάʹूதͰ͖Δ • ϨϏϡʔ࣌ʹࠣࡉͳϛεͷࢦఠΛ༧๷Ͱ͖Δ ίʔσΟϯάελΠϧΛकͬͯੜ࢈ੑΛߴΊΑ͏
6. ίʔσΟϯάελΠϧΛܾΊΔ • ࣗ෼Ͱ࡞ͬͨ΋ͷ • ࣗ෼ͷձࣾɾνʔϜ͕࡞ͬͨ΋ͷ • ଞͷձࣾɾ૊৫͕࡞ͬͨ΋ͷ • Google Python Style Guide
 https://google.github.io/styleguide/pyguide.html • ίϛϡχςΟ͕࡞ͬͨ΋ͷ • PEP 8 ௕͍΋ͷʹ͸ר͔ΕΑ͏
7. The Zen of Python • PythonϓϩάϥϚ͕࣋ͭ΂͖৺ߏ͑
 http://qiita.com/IshitaTakeshi/items/ e4145921c8dbf7ba57ef • import this
8. PEP 8 • Style Guide for Python Code
 https://www.python.org/dev/peps/pep-0008/
9. ελΠϧνΣοΫπʔϧΛ࢖͏ • υΩϡϝϯτ௨ΓʹϧʔϧΛकΔͷ͸ඇৗʹࠔ೉ʂ • νΣοΫπʔϧͷͳ͍ϧʔϧ͸ڧ੍ྗ͕ऑ͍ • ίʔυͷͲ͕͜ϧʔϧʹ൓͍ͯ͠Δ͔πʔϧͰνΣοΫ • ࣗಈϑΥʔϚοτ΁ͷରԠ • CI΁ͷ૊ΈࠐΈ
10. PythonͷओཁͳελΠϧνΣοΫπʔϧ • pep8 • pyflakes • flake8 • flake8-pep257 • hacking • pylint • pychecker
11. pep8 • https://pypi.python.org/pypi/pep8 • http://pep8.readthedocs.io/en/latest/intro.html • PEP 8͕कΒΕ͍ͯΔ͔νΣοΫ͢Δ • ແࢹϧʔϧͳͲ΋ઃఆՄೳ
12. pyflakes • https://pypi.python.org/pypi/pyflakes • ίʔυ಺ͷΤϥʔνΣοΫ • typoʹΑΔະ࢖༻ม਺ɺະఆٛม਺ͷνΣοΫ • ߴ଎ͳνΣοΫ
13. flake8 • https://pypi.python.org/pypi/flake8 • pep8 + pyflakes + McCabeͷ॥؀తෳࡶ౓νΣοΫ • ϓϥάΠϯػߏ • ॥؀తෳࡶ౓ • ϓϩάϥϜͷ੍ޚϑϩʔ͕ͲΕ͚ͩෳࡶ͔Λଌఆ
14. flake8-pep257 • https://pypi.python.org/pypi/flake8-pep257 • ίʔυ಺υΩϡϝϯτ(docstring)ͷελΠϧνΣοΫ • flake8ͷϓϥάΠϯ • PEP 257
 https://www.python.org/dev/peps/pep-0257/
15. hacking • https://pypi.python.org/pypi/hacking • http://docs.openstack.org/developer/hacking/ • OpenStackࣾͷελΠϧΨΠυ • flake8ͷϓϥάΠϯ • ͱͯ΋ݫ͍͠
16. ΤσΟλɺIDEͱͷ࿈ܞ • ίʔσΟϯά్தͰ΋ελΠϧϛεΛνΣοΫ • ৗ࣌νΣοΫͰྑ͍ίʔσΟϯάελΠϧΛֶश • Vim • syntastic https://github.com/scrooloose/syntastic • Emacs • Sublime Text • Atom • PyCharm
17. ·ͱΊ • ίʔσΟϯάελΠϧΛकͬͯੜ࢈ੑΛߴΊΑ͏ • Python͸ίϛϡχςΟϕʔεͷίʔσΟϯάελΠ ϧ͕ॆ࣮͍ͯ͠ΔͷͰ׆༻͠Α͏ • ίʔσΟϯάελΠϧνΣοΫπʔϧΛ׆༻͠Α͏
18. Enjoy Hacking !