How to set object parameters nicely?

[Diez B. Roggisch]

allen.fowler schrieb:
> Hello,
> 
> I've got a bunch of code that looks something like:
> 
> class MyOb(object):
>   def __init__(self, p1=None, p2=None, p3=None, ...):
>     self.p1 = p1
>     self.p2 = p2
>     self.p3 = p3
>     self.pN = ...
> 
> 
> ob1 = MyOb(p1="Tom", p3="New York")
> ob2 = MyOb(p1="Joe", p2="joe at host", p3="New Jersey")
> 
> ... and so on.
> 
> This is fine for only a few parameters, but it's very ugly and a lot
> of duplicate typing once I've got 10+ parameters and 5 kinds of
> objects.
> 
> Is there a better way to do this?

There are some tricks. Like this


def __init__(self, p1=None, ...):
     d = locals()
     del d["self"]
     self.__dict__.update(d)


However, it looks like a code-smell for me if you have 10+ paramters.

Diez