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Groups > comp.lang.python > #66607
| From | Terry Reedy <tjreedy@udel.edu> |
|---|---|
| Subject | Re: Import order question |
| Date | 2014-02-17 10:35 -0500 |
| References | <53020843.5010804@shopzeus.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.7099.1392651362.18130.python-list@python.org> (permalink) |
On 2/17/2014 8:01 AM, Nagy László Zsolt wrote: > I have a class hierarchy like this: > > Widget <- VisualWidget <- BsWidget > > and then BsWidget has many descendants: Desktop, Row, Column, Navbar etc. > > Widgets can have children. They are stored in a tree. In order to manage > the order of widgets, I need methods to append children. (And later: > insert or prepend because they also have an order). So I would like to > have methods like this: > > BsWidget.AppendNavbar(....) > BsWidget.AppendRow(...) I would write one prepend/insert/append method that prepends/inserts/appends the widget passed. > Here is the problem: these methods should create instances of Row, > Column and Navbar. I disagree, without strong justification. Create the instances by directly calling the classes and do with them as you want. -- Terry Jan Reedy
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Re: Import order question Terry Reedy <tjreedy@udel.edu> - 2014-02-17 10:35 -0500
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