On Sep 16, 9:44 pm, "Aaron \"Castironpi\" Brady" <[EMAIL PROTECTED]> wrote: > On Sep 16, 9:25 pm, Fett <[EMAIL PROTECTED]> wrote: > > > > > On Sep 16, 9:00 pm, "Aaron \"Castironpi\" Brady" > > > <[EMAIL PROTECTED]> wrote: > > > On Sep 16, 8:50 pm, Fett <[EMAIL PROTECTED]> wrote: > > > > > I am trying to find a wrapper to do linear programming within python. > > > > I am using an ubuntu machine and I have apt-get'd lp_solve, which > > > > works just fine. If someone knows of a wrapper that will work with > > > > that that'd be great. > > > > > I also heard that scipy has a wrapper, however, I can't find any > > > > documentation on it, nor can I seem to find it with dir(). If anyone > > > > knows where there is good documentation on this I would love to use > > > > that (the more native to python the better imo). > > > > > I have tried many things, > > > > includinghttp://lpsolve.sourceforge.net/5.5/Python.htm, > > > > openopt, and cvxopt. I can't seem to find any with enough > > > > documentation to get me off the ground. Some I can't compile, some I > > > > can't even find out how to compile. > > > > > If anyone knows of an LP package (preferably with IP as well, like > > > > lp_solve has), that interfaces well with python and has enough > > > > documentation to get a dependency newb like myself off the ground that > > > > would be great. > > > > Google says: > > > > about 254,000 for linear programming python. > > > > Link 3 is: > > > >http://wiki.python.org/moin/NumericAndScientific/Libraries > > > > Scroll down. > > > Yes, many of those seem to be deprecated, without destinations to > > links, most are poorly or not documented at all. The few that are, I > > still can't get running. Of those 254, I think I have tried at least > > 10 pages worth. Still no luck. > > > # lpsolvpy - Can't get it to compile - dependency problems. > > # Lp_solve5 - NO python binding yet. Volunteers needed for python > > bindings. > > # pycplex - You need to compile the CPX.so module. Change the required > > paths to CPLEX, Python and numpy in the Makefile, and type "make". Not > > sure what to do here. > > # GLPK (GNU Linear Programming Kit) - Hrm... might be something here, > > I missed the second link to the python bindings, looked all over the > > glpk site for anything about python. > > # SciPy --http://www.scipy.org-supposedly has this, but as I said, > > I can't find any mention of it anywhere but on the site you linked. > > # pySimplex - (broken link)(broken link) > > # Simplex - link is broken, but nothing is mentioned > > > I'll take a closer look at glpk's python bindings and if there is any > > documentation on them, maybe I'll have some luck. btw, I have been > > looking for something that works, I have over 5 packages on my desktop > > that I have tried to get up and running, but none of them seem to > > work. glpk makes 6. > > If you can find one working in C, use ctypes to link into Python. We > can help you with that part. It lets you pass primitive types, > structs, arrays, pointers, to C modules and return values. You need > to know the C signatures to set up the Pythonized signatures.
Ok, it seems that I have found one (although without an integer programming component): upon searching for glpk in the package manager in ubuntu I found a package called cvxopt, it is a bit clunky (compared to the niceness of lp_solve), but I think I can figure this one out. Thanks all who answered. -- http://mail.python.org/mailman/listinfo/python-list
