Yep. That is essentially what "extend" does. It's a standard method in
the Python list class. Since DIV has a lot of "list" behavior I think it
would be nice to "extend" it to have extend() as well!
-- Joe
On Wednesday, October 5, 2016 at 3:19:52 PM UTC-7, Dave S wrote:
>
>
>
> On Wednesday, October 5, 2016 at 12:51:59 PM UTC-7, Joe Barnhart wrote:
>>
>> One Python helper I find enormously useful is "extend()" as applied to
>> list objects. Extend differs from append in that it adds the items of the
>> list provided at the same level as the current list items, thereby
>> "extending" the list.
>>
>
>
> I'll try paraphrasing to see if I understand you and the examples: given
> 2 lists, [a0, a1, .., an] and [b0, b1, ..., bn], you want the elements of b
> to be concantenated to the a list, rather than putting a single item
> consistenting of the b list at the end of the a list.
>
> Roughly
>
> for item in b:
> a.append(item)
>
> Did I get it?
>
>
>>
>> An example:
>>
>> body = DIV("this","is","the","body")
>>
>> Result: a DIV with four elements in it.
>>
>> body.append(["and","additional","elements"])
>>
>> Result: Not what you wanted! It appends a list to the original DIV
>> making a mess.
>>
>> body.extend(["and","additional","elements"])
>>
>> This is what you wanted:
>>
>> DIV("this","is","the","body","and","additional","elements")
>>
>> I've been monkey-patching "extend" into DIV quite awhile now and thought
>> you may want to consider adding it to the DIV helper. Here is my
>> monkey-patch:
>>
>> def extend(self,coll):
>> self._setnode(coll)
>> ret = self.components.extend(coll)
>> self._fixup()
>> return ret
>> DIV.extend = extend
>>
>>
>
> /dps
>
>
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