[Tutor] class initialization with a lot of parameters

[Emile van Sebille]

On 11/11/2009 10:19 AM Alan Gauld said...
> what we actually do in Python is
> 
> if number1.__eq__(number2):
> 
> 
> In other words we call the special method __eq__() of number1 passing
> in number2.
> 
> So == is actually a method of the object on the left hand side.

... and sometimes the right hand side.  Consider:

 >>> class A:
...   def __eq__(self,other):
...     print 'in A.__eq__'
...     return True
...
 >>> class C:
...   pass
...
 >>> c = C()
 >>> a == c
in A.__eq__
True
 >>> c == a
in A.__eq__
True
 >>>


Emile