Agile web dev with Pyhon

Transcript

1. Agile web dev with Python a presentation by Keith Yang

   for WebConf Taiwan 2013 @keitheis http://quest.keitheis.org/

2. WebConf.TW 2013 How to learn Python from zero to web

   development? A question on programmers.stackexchange.com

3. WebConf.TW 2013 How to learn Python from zero to web

   development? A question on programmers.stackexchange.com

4. WebConf.TW 2013 How to learn Python from zero to web

   development? A question on programmers.stackexchange.com Just go over 14 tutorials.

5. WebConf.TW 2013 THAT simple, Dear.

6. WebConf.TW 2013 T^T simple, Tear.

7. WebConf.TW 2013 T^T simple, Tear. （括號：哭哭）

8. WebConf.TW 2013 Any one who likes Ruby or PHP ?

9. WebConf.TW 2013 Hold on

10. WebConf.TW 2013 It’s not that easier for any_language in web_development

11. WebConf.TW 2013 Then, how can we make it better?

12. WebConf.TW 2013 Good is meant to be chosen that’s why

    we’re here.

13. WebConf.TW 2013 Choosing good... • Language • Framework • Library

    • Application • Methodology • Architecture • Team • Organization

14. WebConf.TW 2013 >>> assert True or False We’re interested: Agile

    Web Python

15. WebConf.TW 2013 >>> assert True or False We’re interested: Agile

    Web Python Taiwan

16. WebConf.TW 2013 >>> assert True and False Traceback (most recent

    call last): File "<stdin>", line 1, in <module> AssertionError Traceback (most recent call last): File "<stdin>", line 1, in <module> AssertionError

17. WebConf.TW 2013 >>> assert True and False Traceback (most recent

    call last): File "<stdin>", line 1, in <module> AssertionError Traceback (most recent call last): File "<stdin>", line 1, in <module> AssertionError raise Exception quickly.

18. WebConf.TW 2013 Exception You can choose not to raise it

    now, you will be !ne except it may come to visit you often, sometimes secretly.

19. WebConf.TW 2013 Keith Yang architect.py at biideal yet another di"erent

    e-commerce provider Taipei.py organizer PyCon Taiwan sta"

20. WebConf.TW 2013 Keith Yang architect.py at biideal yet another di"erent

    e-commerce provider Taipei.py organizer PyCon Taiwan sta" 2012 2013 ...

21. WebConf.TW 2013 Monthly meeting Python user group in Taipei Taipei.py

22. WebConf.TW 2013 We’re using Python And not just us. Python

    has been popular in parts of the startups

23. WebConf.TW 2013 We’re using Python And not just us. Python

    has been popular in parts of the startups Instagram, FriendFeed, ... how Facebook [like] it

24. WebConf.TW 2013 Looking for good

25. WebConf.TW 2013 Looking for good

26. WebConf.TW 2013 Looking for good Coder Dev Ops

27. WebConf.TW 2013 The best agile toolkit for Python web dev?

28. WebConf.TW 2013 Python itself. Yeah, you know the secret...

29. WebConf.TW 2013 Python itself. Yeah, you know the secret...

30. WebConf.TW 2013 “Nobody got !red for choosing Python”

31. WebConf.TW 2013 “Nobody got !red for choosing Python” not me,

    not yet

32. WebConf.TW 2013 Python is good by people who is using

    it

33. WebConf.TW 2013 Python is good by people who is using

    it be careful with magic project that supports injection of apps, plugins, extensions

34. WebConf.TW 2013 “Simple, Stupid Language”

35. WebConf.TW 2013 “Simple, Stupid Language” Not much surprise Not much

    magic No all day debug of $%@!? variables

36. WebConf.TW 2013 It practices elegance Rethink code in hands. Just

    do it

37. WebConf.TW 2013 It practices elegance Rethink code in hands. Just

    do it better.

38. WebConf.TW 2013 Web Toolkits Most popular one v.s. My opinionated

    one v.s. Alternatives

39. WebConf.TW 2013 Web Frameworks of Python ... lots • Django

    • Pyramid • Flask • Tornado • Web2py, Turbogears, bottle.py, ...

40. WebConf.TW 2013 Web Frameworks of Python ... lots • Django

    • Pyramid • Flask • Tornado • Web2py, Turbogears, bottle.py, ... ALL AGILE!

41. WebConf.TW 2013 Web Frameworks of Python ... lots • Django

    • Pyramid • Flask • Tornado • Web2py, Turbogears, bottle.py, ... ALL AGILE! Ready for RESTful

42. WebConf.TW 2013 As long as you know PEP 8 or

    The Hitchhiker’s Guide to Python!

43. WebConf.TW 2013 As long as you know PEP 8 or

    The Hitchhiker’s Guide to Python! Good style to follow

44. WebConf.TW 2013 Code Indention from the very beginning. Seems that

    Co"eeScript loves it.

45. WebConf.TW 2013 It’s important You can make choice between several

    well developed choices. Not just ONE there.

46. WebConf.TW 2013 How to pick a web framework from “Just

    pick a good one.” to “I’ve compared EVERYTHING.”

47. WebConf.TW 2013 How to pick a web framework Goal Scale

    Resources

48. WebConf.TW 2013 How to pick a web framework Goal: Blog,

    Wiki, EC Platform Scale: Personal, Studio, Company, Enterprise Resources: Schedule, Support

49. WebConf.TW 2013 How to pick a web framework Micro: bottle.py

    Mini: Flask by Armin Ronacher by Marcel Hellkamp

50. WebConf.TW 2013 How to pick a web framework Micro: bottle.py

    Mini: Flask Middle: Django, Pyramid, web2py by Armin Ronacher by Marcel Hellkamp

51. WebConf.TW 2013 How to pick a web framework Micro: bottle.py

    Mini: Flask Middle: Django, Pyramid, web2py Other: you’ll know what you want. by Armin Ronacher by Marcel Hellkamp

52. WebConf.TW 2013 What Makes Pyramid Unique Single-!le applications Decorator-based con!g

    URL generation Debug Toolbar Add-ons Class-based and function-based views Asset speci!cations Extensible templating Event system No any “mutable globals” Transaction management

53. WebConf.TW 2013 What Makes Pyramid Unique Single-!le applications Decorator-based con!g

    URL generation Debug Toolbar Add-ons Class-based and function-based views Asset speci!cations Extensible templating Event system No any “mutable globals” Transaction management Lots more!

54. WebConf.TW 2013 How to setup environment virtualenv + pip Search:

    “keitheis pip” for my tutorial

55. WebConf.TW 2013 Documentation by Georg Brandl.

56. WebConf.TW 2013

57. WebConf.TW 2013 Object-Relational Mapping •SQLAlchemy unless you’re using Django ORM

    or web2py DAL • You might also be interested in: MongoKit structured schema and validation layer

58. WebConf.TW 2013 Template •Mako or Jinja2 unless you’re using Django

    Template • You might also be interested in: Plim “a Python port of Ruby’s Slim template language built on top of the Mako Templates”

59. WebConf.TW 2013 Manage Web Assets “webassets - Asset management for

    Python” • with Django • with Flask • with Pyramid • other or no framework

60. WebConf.TW 2013 Do it later Celery asynchronous task queue/job queue

    based on distributed message passing

61. WebConf.TW 2013 Testing •Nosetests (Django-nose?) • You might also be

    interested in: pytest more powerful, detail, #exible and complex

62. WebConf.TW 2013 Coding tool •Sublime Text 2 powered by Python

    •PyDev more powerful, detail, #exible and complex • Lots... Emacs, Vim, ...

63. WebConf.TW 2013 Coding tool •Sublime Text 2 powered by Python

    •PyDev more powerful, detail, #exible and complex • Lots... Emacs, Vim, ...

64. WebConf.TW 2013 Deployment •Fabric + cuisine Server(s) administration in Python

    • You might also be interested in: Plumbum di"erent style... # sudo[ls["-l", "-a"]] by Christian Vest Hansen and Jeffrey E. Forcier. by Sebastien Pierre by Tomer Filiba

65. WebConf.TW 2013 Fabric + cuisine def restart_service(service_name, time_interval=1): stop_service(service_name) time.sleep(time_interval)

    # Avoid time attack start_service(service_name) def stop_service(service_name): return sudo( 'service {service_name} stop'.format( service_name=service_name)) def start_service(service_name): return sudo( 'service {service_name} start'.format( service_name=service_name))

66. WebConf.TW 2013 Process Management •Supervisor monitor and control a number

    of processes on UNIX-like operating systems. • You might also be interested in: Circus.io process & socket manager. by Agendaless by Mozilla

67. WebConf.TW 2013 Powerful Data Computing If you’re going to have

    numbers, you won’t hope to learn one more language for statistic and analysis.

68. WebConf.TW 2013 Python User Group in Taiwan Communities: PyHUG #

     Taipei.py # 
    

69. WebConf.TW 2013 Python User Group in Taiwan Communities: PyHUG #

     Taipei.py # 
    Yilan, Tainan, Kaohsiung, Kinmen, ... #
    

70. WebConf.TW 2013 PyCon Taiwan 2013 after PyCon.TW 2012 fantasy #

    
    tw.pycon.org

71. WebConf.TW 2013 PyCon Taiwan 2013 after PyCon.TW 2012 fantasy #

    
    Call for Proposals tw.pycon.org

72. WebConf.TW 2013 PyCon Taiwan 2013 after PyCon.TW 2012 fantasy #

    
    Call for Proposals and Sponsorship tw.pycon.org

73. WebConf.TW 2013 Be agile but not scrumover#ow

74. WebConf.TW 2013 Choose good

75. WebConf.TW 2013 Some Fun Demo? % python Python 2.7.2 (default,

    Jun 20 2012, 16:23:33) Type "help", "copyright", "credits" or "license" for more information. >>> import this

76. WebConf.TW 2013 Q & A