I think you should disregard the suggestions about "cls" and classmethod.
That suggestion, I don't feel, was properly taking into consideration your
level of experience, and is only going to serve to confuse you until you
get a bit more comfortable with basic class concepts.
So, in the second example, you have one more error.
def info(self):
print "%s,%s" % (self, self.x, self.y)
If you count the number of %s elements in your string, you have 2. But you
are trying to pass 3 items to the formatting operation. Change it to this:
def info(self):
print "%s,%s,%s" % (self, self.x, self.y)
That will pretend the string representation of your test class instance,
the value of x, and the value of y
On Mon, Jun 1, 2015 at 10:05 PM Sumant Shenoy <[email protected]>
wrote:
> thanks for your quick reply guys :) as i am preety new to classes i am not
> getting some stuff
> number 1 i only knew thre was some thing cld self and cls is a whole new
> thing i am guessing clss is short form for class and access class atributes
> i did change but i still got some errors
>
> example 1
> class test(object):
> def __init__(self,x,y):
> self.x=x
> self.y=y
> def info(cls):
> print "%s,%s"%(self, self.x, self.y)
>
> ok=test("pSphere1","pSphere2")
> test().info()
>
> i got an error saying
> __init__() takes exactly 3 arguments (1 given)
>
>
> example 2
>
> class test(object):
> def __init__(self,x,y):
> self.x=x
> self.y=y
> def info(self):
> print "%s,%s"%(self, self.x, self.y)
>
> ok=test("pSphere1","pSphere2")
> ok.info()
> line 6: not all arguments converted during string formatting
>
>
> On Mon, Jun 1, 2015 at 6:45 PM, Rémi Deletrain <[email protected]>
> wrote:
>
>> oh yes I try after and I see my error... sorry...
>>
>> 2015-06-01 11:43 GMT+02:00 Justin Israel <[email protected]>:
>>
>>>
>>> On Mon, 1 Jun 2015 9:41 PM Rémi Deletrain <[email protected]>
>>> wrote:
>>>
>>> try this
>>>
>>>
>>>
>>> class test(object):
>>>
>>> def __init__(self,x,y):
>>>
>>> self.x=x
>>>
>>> self.y=y
>>>
>>> def info(self):
>>>
>>> print "%s,%s"%(self, self.x, self.y)
>>>
>>> ok=test("pSphere1","pSphere2")
>>>
>>>
>>> test().info <http://test.info/>()
>>>
>>> if you want call info with no instance add a decorator '@classmethod'
>>> and change 'self' by 'cls' before your function
>>>
>>> @classmethod
>>>
>>> def info(cls):
>>>
>>> print "%s,%s"%(self, self.x, self.y)
>>>
>>>
>>>
>>> This is an error. "self" is not defined. And if you switch it to "cls"
>>> it will still be an error because x and y are instance variables
>>>
>>>
>>>
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>>
>>
>>
>> --
>> *Rémi Deletrain.*
>> CG Artist, character TD.
>> *http://remideletrain.wix.com/remi-deletrain
>> <http://remideletrain.wix.com/remi-deletrain>*
>>
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