2009/3/20 Benjamin Kaplan <bs...@case.edu>: > > > On Fri, Mar 20, 2009 at 10:06 AM, Esmail <ebo...@gmail.com> wrote: >> >> Hello all, >> >> I am curious why nested classes don't seem to be used much in Python. >> I see them as a great way to encapsulate related information, which is >> a >> good thing. >> >> In my other post "improve this newbie code/nested functions in >> Python?" >> (I accidentally referred to nested functions rather nested classes - >> it was late) >> I asked something similar in the context of a specific example where I >> think the >> use of nested classes makes sense. >> >> But perhaps not? > > Nested classes in Python don't add much other than an additional level of > complexity (and an extra hash lookup). Behavior in python is usually grouped > into modules, not into classes. The only reason to nest a class in Python is > if the first class is going to generate the second class on the fly.
Verily. See also the principle that "Flat is better than nested" from the Zen of Python (http://www.python.org/dev/peps/pep-0020/). The OP would be better off naming internal classes with leading underscores per Python convention rather than nesting them inside other classes. Cheers, Chris -- I have a blog: http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
