Pythonの__str__と__repr__

Python

コメントもらったので試してみた。

point.py

"""Point class

This is the Point class
"""

class Point:
  __x = 0.0
  __y = 0.0
  z = 0.0
  def __init__(self, x1, y1, z1) :
    self.__x = x1
    self.__y = y1
    self.z = z1
  def toString(self) :
    return '(' + str(self.__x) + ', ' + str(self.__y) + ', ' + str(self.z) + ')'
  def __str__(self) :
    return '<' + str(self.__x) + ', ' + str(self.__y) + ', ' + str(self.z) + '>'
  def __repr__(self) :
    return '{' + str(self.__x) + ', ' + str(self.__y) + ', ' + str(self.z) + '}'

>>> import point
>>> p=point.Point(1,2,3)
>>> help(point)
Help on module point:

NAME
    point - Point class

FILE
    /Users/Shared/point.py

DESCRIPTION
    This is the Point class

CLASSES
    Point
    
    class Point
     |  Methods defined here:
     |  
     |  __init__(self, x1, y1, z1)
     |  
     |  __repr__(self)
     |  
     |  __str__(self)
     |  
     |  toString(self)
     |  
     |  ----------------------------------------------------------------------
     |  Data and other attributes defined here:
     |  
     |  z = 0.0

(END) 
>>> p
{1, 2, 3}
>>> print p
<1, 2, 3>
>>> str(p)
'<1, 2, 3>'
>>> repr(p)
'{1, 2, 3}'

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