Converting Python app to C++ completely
Alan James Salmoni
salmonia.nospam.please at cardiff.ac.uk
Thu Aug 29 13:37:35 EDT 2002
Hi all,
I am *very* sorry is this has been answered before (I'm sure it must
have at some point), but trawling Google Groups hasn't shown anything
completely relevant to my question.
I have written an application (a package for statistical analysis -
SalStat) using Python and wxPython, not just because I wanted to, but
also to learn the language. I found both Python & wxPython to be superb
for the task.
Now, what I want to do is write the thing in C++. The reason? heh,
because I want to ;) Well, actually I want to learn C++ too, and I would
like to have the performance of a compiled program for larger data sets
(just for fun and comparison more than anything).
I know very little about C++, but have a few questions about converting
from Python code. I am asking here because Pythonistas are more likely
to know C++ than vice versa (and CLP is one of the friendliest groups
around - creep, creep).
1) How easy is it to convert existing Python code to C++? I read that
each line of C++ code is roughly equivilent to 5-8 lines of C++ code,
but is the conversion a simple task or is it troublesome?
2) Are there any pitfalls to beware of - I understand that dealing with
memory and pointers might be a problem, but like I said earlier, I just
don't really know?
3) Does C++ have equivilent functional constructs like reduce and map?
These helped to make my code much cleaner, tighter and faster, and I
would miss them dearly.
4) wxWindows - From what I can understand from the wxWindows
documentation, the conversion should be relatively straightforward, but
I would appreciate a more experienced opinion.
5) Is there a free C++ compiler for Mac OS8/9? I am going to use GCC for
every other platform (the Python version is currently multi-platform -
even OSX, but not OS8 or 9 sadly).
btw - the code I am writing doesn't rely upon any platform specific
stuff at all and is quite portable in Python - I will be aiming for the
same thing in Python and assume it will be possible.
Appreciated,
Alan.
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