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 <paula...@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@python.org > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor > -- Regards, Sithembewena Lloyd Dube http://www.lloyddube.com
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