Agile web dev with Pyhon

A presentation for WebConf Taiwan 2013

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