Trees

Dan Stromberg drsalists at gmail.com
Tue Jan 20 05:21:52 CET 2015


On Mon, Jan 19, 2015 at 6:46 PM, Mark Lawrence <breamoreboy at yahoo.co.uk> wrote:
> On 20/01/2015 00:49, Dan Stromberg wrote:
>>
>> On Mon, Jan 19, 2015 at 2:06 PM, Zachary Gilmartin
>> <zacharygilmartin at gmail.com> wrote:
>>>
>>> Why aren't there trees in the python standard library?
>>
>>
>> Trees are kind of specialized datastructures; no one type of tree
>> solves all tree-related problems suitably well.
>>
>> I think probably the most common need for a tree is implementing a
>> cache, but most times you're tempted to sort inside a loop you're
>> better off with a tree.
>>
>> I've put some time into python trees; most of them are on pypi and at:
>> http://stromberg.dnsalias.org/~dstromberg/datastructures/
>> and:
>> http://stromberg.dnsalias.org/~strombrg/python-tree-and-heap-comparison/
>>
>> HTH
>>
>
> I don't know if you've seen this http://kmike.ru/python-data-structures/ but
> maybe of interest.

I've seen it. It's a nice page.

I attempted to get my treap port in there since it has a Cython
version, but it didn't seem to take.

I've mostly focused on pure python that runs on CPython 2.x, CPython
3.x, Pypy, Pypy3 and Jython.



More information about the Python-list mailing list