David, Googling comp.lang.python /w this string "stderr win32" yielded 109 results. So I think if you poke around a bit you will find your answer in the archives.
Sorry for no direct help tonight... Cheers, --Alan David Douard wrote: > Hi everybody, > > let me explain by problem: > I am working on an application which consists in a C++ dll (numeric > computations) and a Python IHM (Python/Tk), which must run under Linux and > win32. My problem is the C++ lib does write stuffs on its stdout, and I > would like to print those messages in a Tk frame. When I run the > computation, it has it's own thread. > > So my question is : how van I redirect the dll's stdout to something I can > retrieve in Python (pipe, socket,...)? > > I can do it easily under Linux. I made tests with a socket which just works > fine. In the threaded function (that will do the heavy computation), I > write: > > import os, sys > from socket import * > s=socket(AF_UNIX, SOCK_STREAM) > s.connect(...) > os.dup2(sys.__stdout__.fileno(), s.fileno()) > very_intensive_function(many_parameters) > s.close() > > That's OK under Linux, but does not work under win32 (even if I use an INET > localhost socket), cause I cannot do the os.dup2 trick (Windows does not > want to consider a socket as a file! What a shity system!). > > So my question is : is there a simple solution ? I have tested different > solutions. I am trying hacks with pipes created with the win32api. But I > have not yet managed this simple operation. > > Note that I have no access to the dll source code, so I cannot modify it so > it uses a named pipe (for example) as message output pipe instead os > stdout... > > Thanks, > David -- http://mail.python.org/mailman/listinfo/python-list
