Someone might be interested: I ran across an unexpected process issue this week. We have a converter app that is part of a suite, when it runs it needs to call an external DOS exe briefly (the exe does bit-shifting in a file etc.) I originally used system(), but found that _if_ one other particular app was running (a huge resource hog - 99% CPU usage polling the A/Ds) the call would fail to execute properly. I switched to win32process and SetPriorityClass() to REALTIME and the call always succeeds. win32con.SW_HIDE is also set in StartupInfo. http://wiki.wxpython.org/index.cgi/Capturing_20DOS_20Output_20in_20a_20wxWindow is a very helpful process example.
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