Python Written in C?
larry.bates at websafe.com`
Wed Jul 23 05:42:51 CEST 2008
Marc 'BlackJack' Rintsch wrote:
> On Mon, 21 Jul 2008 18:12:54 +0200, mk wrote:
>> Seriously, though, would there be any advantage in re-implementing
>> Python in e.g. C++?
>> Not that current implementation is bad, anything but, but if you're not
>> careful, the fact that lists are implemented as C arrays can bite your
>> rear from time to time (it recently bit mine while using lxml). Suppose
>> C++ re-implementation used some other data structure (like linked list,
>> possibly with twists like having an array containing pointers to 1st
>> linked list elements to speed lookups up), which would be a bit slower
>> on average perhaps, but it would behave better re deletion?
> An operation that most people avoid because of the penalty of "shifting
> down" all elements after the deleted one. Pythonistas tend to build new
> lists without unwanted elements instead. I can't even remember when I
> deleted something from a list in the past.
> Marc 'BlackJack' Rintsch
When I use os.walk and need to remove directories or files. Seems to be the
only way to do the in-place delete that is required. But you are right, it is
More information about the Python-list