Talk in python taiwan 2016

1. Python 50

2. • Tim, Python
•

3. •

7. File "test.py", line 6
print "yoshi"
^
IndentationError: unexpected indent

8. • Python Tab
• Tab

10. Parsing
pop
pop

11. • Tab
• Editor Tab

13. default argument

14. • Python def argument
•

16. closure

19. • closure Python
• reference Python
lexical scope)
• closure gc

22. • 1. class __call__
lexical scope
• 2. functool.partial

23. Global Variable

24. • Python
Local Global

25. global
local

26. • Global
• global

28. Dead or Alive

31. • del symbol table
reference count -1
• reference count 0 GC,
__del__

32. Circular reference
• 2016 Python
•
__del__. Python

33. • circular reference. weak
reference.
• weak reference
reference count.
• Python gc

34. Interface
• interface
• base class Python

37. List Related

38. • iterate list
• list

40. Package
• sudo pip
• virtualenv
• requirements.txt dependency
• setup.py

41. • pip freeze > requirements.txt
•
•
• Conflict merge

43. 2 == > 3
• python 3
• __future__, six
• print_function
• absolute_import
• io.open 2.7 encoding

44. Quality
• flake8 —install-hook
• commit pep8
• # noqa

45. inheritance
• super

48. Any Question?