[Subprocess/Windows] subprocess module under Windows 98

Andreas Jung lists at andreas-jung.com
Wed Nov 2 17:32:23 CET 2005


Hi,

I am using subprocess.Popen() to start Java processes (converters) from 
within Zope under Windows 98 (sorry, we have to support the platform). The 
call looks like this:


 P = Popen('java.exe arguments...', stdout=PIPE, stderr=PIPE, 
stdin=open('nul:')).

stdin=open('nul:') is required to make Popen() actually running under 
Windows 98 (stdin=None works fine on XP).

However for every Popen() call Windows 98 opens an empty DOS box that 
disappear after completion of the converter process. The Popen() has some
'startupinfo' and 'creationflags' attributes but I could not find any 
documentation. Is there a way to suppress the DOS boxes somehow using these 
attributes or is there another way to get rid of them?

Thanks in advance,
Andreas

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