[Tutor] Moving my C++ code to Python?

[Sithembewena Lloyd Dube]

Also have a look at Boost.Python:

http://www.boost.org/doc/libs/1_44_0/libs/python/doc/index.html

On Fri, Oct 15, 2010 at 11:29 PM, Paul <paulanon at gmail.com> wrote:

> Hi there,
>
> I've been using C/C++ for many years (python, just reading about it).
>
> I have a software written in C/C++ but considering porting most of it
> to python, as it seems like it's a better choice for decision making
> portion of the code.  I'm also thinking about having a 'matlab' like
> interface for reading, processing, and writing.
>
> In my current C++ code, I would read data into a vector of structs
> (which contains other simple vectors, strings, and structs) and it can
> be as large as 500MB to 2GB.  The data gets processed (requires random
> access).  The result is then written out.
>
> I would like to make modules for python.  The problem is that the
> vector of structs that is very large.  First, is it possible to pass
> such structures around to and from python and C/C++?  What would be
> the overhead cost of having a large structure that needs to be passed
> to and from the C/C++ modules?
>
> # I imagine I'd use the newly written software this way:
> >>> import c_stuff  # my C/C++ module
> >>> largestuff = c_stuff.read(file)  # read from disk
> >>> c_stuff.process(largestuff, someparams1)  # processing, requires random
> access to the vector
> >>> c_stuff.process(largestuff, someparams2)
> ...
> >>> c_stuff.process(largestuff, someparams10000) # the whole thing may take
> a few minutes to days
> >>>
> >>> import python_stuff # some module written in python to process the data
> as well
> >>>
> >>> python_stuff.process(largestuff, otherparams1)  # It's important that
> this data can be read (and I hope written) by python code
> >>> python_stuff.process(largestuff, otherparams2)
> >>>
> >>> c_stuff.write(largestuff) #write result
>
> Thank you in advance,
> Paul
> _______________________________________________
> Tutor maillist  -  Tutor at python.org
> To unsubscribe or change subscription options:
> http://mail.python.org/mailman/listinfo/tutor
>



-- 
Regards,
Sithembewena Lloyd Dube
http://www.lloyddube.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/tutor/attachments/20101017/0fc5ba8f/attachment-0001.html>