organizing your scripts, with plenty of re-use

Stef Mientki stef.mientki at gmail.com
Tue Oct 13 21:55:57 CEST 2009


>
> [snip]
>
>>> The key is to put all the core functionality into a package, and 
>>> place the package where Python can find it. Also, it's a good idea 
>>> to use relative imports from inside the package. There is no need to 
>>> juggle with sys.path nor even set PYTHONPATH nor import __main__ nor 
>>> play any strange games; it Just Works (tm).
>>>
>> please don't get angry,
>> I'm not a programmer, I'm just a human ;-)
>>
>> Hierarchical choices are done on todays knowledge, tomorrow we might 
>> have different views and want/need to arrange things in another way.
>> An otter may become a reptile ;-)
>> So from the human viewpoint the following should be possible (and is 
>> for example possible in Delphi)
>
>> - I can move the complete project anywhere I like and it should still 
>> work without any modifications (when I move my desk I can still do my 
>> work)
>
> Move a complete package anywhere along the PYTHONPATH and it will 
> still work.  Check.
>
>> - I can move any file in he project to any other place in the project 
>> and again everything should work without any modifications ( when I 
>> rearrange my books, I can still find a specific book)
>
> Move any file in any directory to any other spot in that same 
> directory and it will still work.  Check.  ;-)
sub ;-)
>
> Humans are a lot smarter than computers.  Even 'just humans'.  ;-)  If 
> you move your book, then can't find it on the last shelf it used to be 
> on, you look on other shelves, you look on your desk, you look on the 
> coffe table, you look in your car, etc, etc, and so forth.  If you 
> move a file in a package to somewhere else, and you don't tell the 
> package where it's at, it's not going to start looking all over the 
> hard-drive for it.
I didn't say "whole the world";-)
>   If that were the case you would have to be extra careful to have 
> every module's name be distinct, and then what's the point of having 
> packages?
Yes, I still wonder !

cheers,
Stef
>
> ~Ethan~
>
>> In my humble opinion if these actions are not possible, there must be 
>> redundant information in the collection. The only valid reason for 
>> redundant information is to perform self healing (or call it error 
>> correction), and here we have a catch-22.
>>
>> cheers,
>> Stef Mientki
>




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