Liwei, You just need to add a __future__.py module with with_statement = True, or (probably better) just use the CPython 2.5 __future__.py.
-Dan On Tue, Jul 1, 2008 at 9:22 PM, Liwei Peng <[EMAIL PROTECTED]> wrote: > thanks. > > Can you advise on how to use "with" statement in 2.0 beta3? I couldn't find > the __future__ module by default > > thanks, > > liwei > > On Tue, Jul 1, 2008 at 4:40 PM, Dino Viehland <[EMAIL PROTECTED]> > wrote: >> >> I'm not sure about the error message but unfortunately 1.x doesn't expose >> Dispose as __exit__. That's been fixed in 2.0. >> >> >> >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Liwei Peng >> Sent: Tuesday, July 01, 2008 4:26 PM >> To: [email protected] >> Subject: [IronPython] how to avoid a .Net object being converted to tuple >> type? >> >> >> >> Hi, >> >> >> >> I am trying to call MPI.Net from IronPython 1.1.1 in the following >> script. The problem is IronPython automatically converts my >> MPI.Environment() object into a tuple type, so that the object cannot be >> disposed at the end of with statement. >> >> >> >> the following is what I did: >> >> 1) write a __future__.py containing the following 2 lines: >> >> division=1 >> with_statement=1 >> >> >> >> 2) run my script like: ipy.exe -X:Python25 pi.py >> >> Got error here: >> >> Traceback (most recent call last): >> File d:\tools\IronPython-1.1.1\pi.py, line 19, in Initialize >> AttributeError: 'tuple' object has no attribute '__exit__' >> ERROR: MPI.Environment not finalized. >> Please call Dispose() on your MPI.Environment object. >> >> >> >> Can you tell me what's wrong with the script? can I avoid to the >> conversion from MPI.Environment object to tuple? Thanks, >> >> >> >> # This is a IronPython program to calculate PI using MPI.Net. >> # Usage (For IronPython 1.1.1): >> # ipy.exe -X:Python25 pi.py >> >> from __future__ import with_statement >> import sys >> import clr >> import System >> >> sys.path.append("C:\Program Files (x86)\MPI.NET\Lib") >> clr.AddReferenceToFile("MPI.dll") >> import MPI >> >> with MPI.Environment(argarrayref) as mpienv: >> n=100 >> >> Liwei >> >> >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com >> > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > > _______________________________________________ Users mailing list [email protected] http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
