Jabba Laci <jabba.l...@gmail.com> Wrote in message: > Hi, > > I have a script (see below) that I want to terminate after X seconds. > The main loop of the program is waiting for user input. > The program enters the main loop and I try to shut down the program > after X seconds from a thread but I can't figure out how to do it. The > program should also do some cleanup before termination, so the shut > down must be graceful. > > The code below is a simplified version. The whole idea is the > following: I have a script that has grown quite big over time. It > needs to read several data files, so when I start it for the first > time, it takes about 3-4 seconds to launch. The next start is much > faster since, I guess, the OS has done some caching. I use this script > a lot and the first slow launch bothers me. My idea: after booting, I > want to start the script in the background in suicide mode. OS does > the caching, so when I need it, it starts quickly. >
You need a flag to indicate that a particular invocation is the dummy one (background). So use that same flag either to suppress starting the thread, or to avoid the unwanted raw_input. If you had no blocking I/o, you could use a simple global to notify all the threads. Or use a signal to abort the main thread if it's stuck in raw_input. Alternatively, rethink the need to preload at boot time. Any caching the OS does is likely to only last a few minutes, depending on load. So maybe you can make the real load seem to be quicker by displaying the gui right away, but doing the time-consuming part in a thread. -- DaveA -- https://mail.python.org/mailman/listinfo/python-list
