Jan Eden wrote:
> Now I'll see if I understand the practical difference between items()
> and iteritems() - the Python tutorial uses iteritems() in such a
> context.
iteritems() is actually better usage but a little harder to explain.
dict.items() creates a new list with the (key, value) pairs:
Hi Kent, hi Alan,
Alan G wrote on 07.08.2005:
>> page = Show(type=type, id=id)
>>
>> class Show:
>> def __init__(self, type, id):
>> self.id = id
>> ...
>>return self
>
>First a couple of comments.
>You don't need to return self from __init__.
>You can only instantiate Show *a
> page = Show(type=type, id=id)
>
> class Show:
> def __init__(self, type, id):
> self.id = id
> ...
>return self
First a couple of comments.
You don't need to return self from __init__.
You can only instantiate Show *after* you've defined it.
> For two parameters, this is rel
Jan Eden wrote:
> My idea was to transfer the same technique to Python like this:
>
> class NewClass:
> def __init__(self, **parameters):
> for i in parameters.keys(): self.i = parameters[i]
>
> But the assignment in the for loop obviously does not work with
> instance attributes. I w
Jan Eden wrote on 07.08.2005:
>But the assignment in the for loop obviously does not work with
>instance attributes. I will have to read up some more about instance
>attributes.
Ok... so this works:
class NewClass:
def __init__(self, **parameters):
self.data = {}
for i in par
Hi Kent,
Kent Johnson wrote on 07.08.2005:
>>So how can I add the values of all the paramaters to my class
>>instance in one step?
>
>There was recently a long discussion of this on comp.lang.python.
>http://groups.google.com/group/comp.lang.python/browse_frm/thread/
>7346ad00a14e821a/9dc993d2954
Jan Eden wrote:
> In Python, I would do:
>
> page = Show(type=type, id=id)
>
> class Show: def __init__(self, type, id): self.id = id self.type =
> type ... return self
>
> For two parameters, this is relatively simple. But if I have for
> example 10 parameters on instantiation, assigning each v
Hi,
Jan Eden wrote on 07.08.2005:
>So how can I add the values of all the paramaters to my class
>instance in one step?
>
apologies for replying to my own post: I just discovered the **args formal
parameter.
Thanks,
Jan
--
I was gratified to be able to answer promptly, and I did. I said I did
Hi,
after using Perl for some years for simple scripting tasks, one of my programs
reached a size where an OO design is appropriate. So I rewrote the program
using OO techniques in Perl. Because I am not entirely satisfied with the
implementation, I decided port the program to Python.
The firs
