dict doesn't maintains order. >>> a=[(3,2),(2,2)] >>> dict(a).items() [(2, 2), (3, 2)] >>> a=[(3,2),(2,2)] >>> assert dict(a).items()==a Traceback (most recent call last): File "<stdin>", line 1, in <module> AssertionError >>> dict(a).items() [(2, 2), (3, 2)]
On Feb 20, 2008 7:50 AM, subeen <[EMAIL PROTECTED]> wrote: > I think you should go for 'dictionary' that is a built-in data > structure of Python. > > > regards, > Subeen > http://love-python.blogspot.com/ > > > On Feb 20, 7:32 pm, "Jorge Vargas" <[EMAIL PROTECTED]> wrote: > > 2008/2/20 Jarek Zgoda <[EMAIL PROTECTED]>:> Jorge Vargas napisa³(a): > > > > > > - attribute access (or index) > > > > - maintain the order (for iter and print) > > > > - be mutable. > > > > > These are all attributes of standard Python lists. > > > > probably I confused you with the "or index" part. I want to be able to > > do item.value1 or item['value1'] the list can't do this. > > > > > > in case there isn't one. I was thinking having a base class like Bunch > > > >http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52308and on > > > > top of that keeping a list of the keys and pop/push to the list when > > > > adding/deleting items. I don't like this idea because I'll have to > > > > keep each key twice. (in the list and in __dict__, is this the only > > > > way of doing it? > > > > > What is your objective? From the description of this recipe I cann't get > > > your use case. > > > > I got an xml object which feed me in data. in a simple format > > <item> > > <propety1>foo</propety1> > > <value1>bar</value1> > > <propety2>baz</propety2> > > <value2>bal</value2> > > </item> > > > > I want to turn this into a datastructure I can manipulate in my > > program for example. > > > > >>> print myItem.property1 > > >>> if myItem.property1[value1] > 0: > > > > print 'ok' > > > > >>> print myItem > > > > {'property1':'value1','property2,'value2'} > > > > > > > > > > > > > -- > > > Jarek Zgoda > > > Skype: jzgoda | GTalk: [EMAIL PROTECTED] | voice: +48228430101 > > > > > > "We read Knuth so you don't have to." (Tim Peters) > > > -- > > >http://mail.python.org/mailman/listinfo/python-list > > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://mail.python.org/mailman/listinfo/python-list