[Tutor] method, type?
Alan Gauld
alan.gauld at btinternet.com
Wed Jan 6 04:59:49 EST 2016
On 06/01/16 04:58, Alex Kleider wrote:
> class JournalLineItem(object):
> def __init__(self, account, debit_or_credit, amount):
> self.account = account
> self.debit_or_credit = debit_or_credit
> self.amount = float(amount)
>
...
> def get_line_item(text):
> return JournalLineItem(*text.split())
> What kind of a method/function is get_line_item?
As it stands its not.
As its intended to be, its a named constructor.
But Python doesn't support named constructors so instead it
could be a class method - that is a method of the class
rather than of a particular instance.
But it should probably be a factory function. That is,
defined at the module level and not part of the class
at all. Not everything in OOP needs to be in a class.
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
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