Hmmm. No need to write the whole thing written out. Just how not to code: class Pocket1(Wallet, Keys, Comb, Usb, CellPhone, WorkBadge): class Pocket2(Wallet, Keys, Comb, Usb, CellPhone): class Pocket3(Wallet, Keys, Comb, Usb, WorkBadge): class Pocket4(Wallet, Keys, Comb, Usb): class Pocket5(Wallet, Keys, Comb, CellPhone, WorkBadge): class Pocket6(Wallet, Keys, Comb, CellPhone): ...
On Mon Jun 18 22:03 , sent: >Thank you Steve, for the pointing me in a smarter direction! > >My immediate homework is: >- Practice consistent conventions for naming things -- pep-0008. >- Learn composition/has-a. > >I thought of a better way to think of my problem. A list element would contain >the things that Bob has in his pockets, at a given moment. For example: > >Bob has 6 things. They are well known things and it's easy to make a class for >each of them. But Bob could have 2 to the power of 6, combinations of those >things in his pockets. I don't want to make 64 classes, to cover each possible >combination. I would read from a file to know what Bob has: > >time wallet keys comb USB cell_phone work_badge >0 0 0 0 0 0 0 >1 1 1 0 0 0 1 >2 0 0 0 0 1 0 >3 0 0 0 0 1 1 >4 1 1 1 1 0 0 >... > > > 0 = not in his pocket > 1 = has-a in his pocket > >I don't want an instance of something, if it's not in Bob's pocket at that >time. >(Maybe I'm making it harder than it needs to be.) > >If no one responds, it's OK because now I know where to focus. (But help would >be >welcome.) > >I was told that you guys were great. You are!!! > >Ken > > >On Sun Jun 17 18:36 , Steven D"Aprano sent: > >>[email protected] wrote: >>> Hello >>> >>> I'm new to classes. And I hope the my question isn't too big. >>> >>> I have electronic test equipment, but thought that a boat example >>> would be easier. Can you help me untangle my class design? >>> My problem is basically multiple inheritance, but I want to be >>> flexible for how many will inherit. >> >>Your first problem is that you are misusing inheritance when you should be >>using composition instead. > > >>http://www.python.org/dev/peps/pep-0008/ > >_______________________________________________ >Tutor maillist - [email protected] >To unsubscribe or change subscription options: >http://mail.python.org/mailman/listinfo/tutor _______________________________________________ Tutor maillist - [email protected] To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
