The commands module might help you out as well.
import commands as c
output = c.getoutput('testruby.rb')On Thu, Jun 19, 2008 at 5:14 AM, Matt Nordhoff <[EMAIL PROTECTED]> wrote: > Mensanator wrote: > > On Jun 18, 10:33�pm, "bruce" <[EMAIL PROTECTED]> wrote: > >> hi... > >> > >> can someone point me to where/how i would go about calling a ruby app > from a > >> python app, and having the python app being able to get a returned value > >> from the ruby script. > >> > >> something like > >> > >> test.py > >> �a = os.exec(testruby.rb) > >> > >> testruby.py > >> �foo = 9 > >> �return foo > >> > >> i know this doesn't work... but i've been searching for hours on this > with > >> no luck.... (and yeah, i'm relatively new to both ruby/python!!) > >> > >> thanks > > > > Well, I don't know anything about Ruby, but here's > > how I do it for C programs (compiled to .exe that > > write to stdout). > > > > > > import os > > factor_program = 'factor! -d200 ' # factor!.exe from MIRACL > > > > n = > > > '50818429800343305993022114330311033271249313957919046352679206262204589342623811236647989889145173098650749' > > > > # call external program and capture stdout > > the_output = os.popen(factor_program+n).readlines() > > > > print 'n: %s' % n > > for i in the_output: > > print i, > > <snip output> > > You're supposed to use the subprocess module. > > In this case, something like: > > import subprocess > factor_program = ['factor!', '-d200'] > > ... > > p = subprocess.Popen(factor_program + [n], stdout=subprocess.PIPE) > p.wait() # wait for it to finish; not sure how necessary it is > the_output = p.stdout.readlines() > > See subprocess's documentation [1], which includes guides on replacing > os.popen* and other functions with it. > > [1] <http://docs.python.org/lib/module-subprocess.html> > -- > -- > http://mail.python.org/mailman/listinfo/python-list > -- | _ | * | _ | | _ | _ | * | | * | * | * |
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