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python Programming Glossary: processesHow do I capture SIGINT in Python? http://stackoverflow.com/questions/1112343/how-do-i-capture-sigint-in-python Python I'm working on a python script that starts several processes and database connections. Every now and then I want to kill..
http://stackoverflow.com/questions/1191374/subprocess-with-timeout API offers the ability to wait for threads and terminate processes what about running the process in a separate thread import subprocess..
Starting a background process in python http://stackoverflow.com/questions/1196074/starting-a-background-process-in-python python version. The original shell script starts several processes utilities monitors etc. in the background with . How can I achieve.. How can I achieve the same effect in python I'd like these processes not to die when the python scripts complete. I am sure it's..
Showing the stack trace from a running Python application http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application process through a pipe to allow for debugging backgrounded processes etc . Its a bit large to post here but I've added it as a python..
Can't pickle <type 'instancemethod'> when using python's multiprocessing Pool.map() http://stackoverflow.com/questions/1816958/cant-pickle-type-instancemethod-when-using-pythons-multiprocessing-pool-ma def f x return x x def go pool multiprocessing.Pool processes 4 #result pool.apply_async self.f 10 #print result.get timeout.. f self x return x x def go self pool multiprocessing.Pool processes 4 #result pool.apply_async self.f 10 #print result.get timeout.. multiprocessing must pickle things to sling them among processes and bound methods are not picklable. The workaround whether..
How to get current CPU and RAM usage in Python? http://stackoverflow.com/questions/276052/how-to-get-current-cpu-and-ram-usage-in-python an interface for retrieving information on running processes and system utilization CPU memory in a portable way by using..
Python thread pool similar to the multiprocessing Pool? http://stackoverflow.com/questions/3033952/python-thread-pool-similar-to-the-multiprocessing-pool I would like to do it without the overhead of creating new processes. I know about the GIL. However in my usecase the function will..
Suggestions for a Cron like scheduler in Python? http://stackoverflow.com/questions/373335/suggestions-for-a-cron-like-scheduler-in-python gratefully received. Edit I'm not interested in launching processes just jobs also written in Python python functions. By necessity..
How to terminate a python subprocess launched with shell=True http://stackoverflow.com/questions/4789837/how-to-terminate-a-python-subprocess-launched-with-shell-true a session id to the parent process of the spawned child processes which is a shell in your case. This will make it the group leader.. in your case. This will make it the group leader of the processes. So now when a signal is sent to the process group leader it's.. process group leader it's transmitted to all of the child processes of this group. Here's the code import os import signal import..
http://stackoverflow.com/questions/489861/locking-a-file-in-python in Python. It will be accessed from multiple Python processes at once. I have found some solutions online but most fail for..
How do I duplicate sys.stdout to a log file in python? http://stackoverflow.com/questions/616645/how-do-i-duplicate-sys-stdout-to-a-log-file-in-python this question Since you're comfortable spawning external processes from your code you could use tee itself. I don't know of any..
Use numpy array in shared memory for multiprocessing http://stackoverflow.com/questions/7894791/use-numpy-array-in-shared-memory-for-multiprocessing size N arr_orig arr.copy # write to arr from different processes with closing mp.Pool initializer init initargs shared_arr as.. mp.Pool initializer init initargs shared_arr as p # many processes access the same slice stop_f N 10 p.map_async f slice stop_f.. same slice stop_f N 10 p.map_async f slice stop_f M # many processes access different slices of the same array assert M 2 # odd step..
How do I get 'real-time' information back from a subprocess.Popen in python (2.5) http://stackoverflow.com/questions/874815/how-do-i-get-real-time-information-back-from-a-subprocess-popen-in-python-2-5 say or simply printing them out for now. I've created processes with Popen but if I use communicate the data comes at me all..
http://stackoverflow.com/questions/1190206/threading-in-python processors can even scale to multiple machines . Cons Processes are slower than threads. Data sharing between processes is trickier..
python multiprocessing vs threading for cpu bound work on windows and linux http://stackoverflow.com/questions/1289813/python-multiprocessing-vs-threading-for-cpu-bound-work-on-windows-and-linux python multiprocessing share improve this question Processes are much more lightweight under UNIX variants. Windows processes..
multiprocessing GUI schemas to combat the “Not Responding” blocking http://stackoverflow.com/questions/15698251/multiprocessing-gui-schemas-to-combat-the-not-responding-blocking Consumer Producer pattern and I struggeled with Background Processes doing endless loops to wait for new jobs and took care of communication.. self.setCentralWidget self.list # Pool of Background Processes self.pool multiprocessing.Pool processes 4 def addTask self.. 2 self.setCentralWidget self.table # Pool of Background Processes self.queue multiprocessing.Queue self.pool multiprocessing.Pool..
Share Large, Read-Only Numpy Array Between Multiprocessing Processes http://stackoverflow.com/questions/17785275/share-large-read-only-numpy-array-between-multiprocessing-processes Large Read Only Numpy Array Between Multiprocessing Processes I have a 60GB SciPy Array Matrix I must share between 5 multiprocessing..
How to synchronize a python dict with multiprocessing http://stackoverflow.com/questions/2545961/how-to-synchronize-a-python-dict-with-multiprocessing when doing functional programming and passing the proxy to Processes as an argument like the doc examples do The server AND the client.. simple. You could also use SyncManager.dict and pass it to Processes as an argument the way the docs show and it would probably be..
How do threads work in Python, and what are common Python-threading specific pitfalls? http://stackoverflow.com/questions/31340/how-do-threads-work-in-python-and-what-are-common-python-threading-specific-pit machine and hence run on the same physical machine. Processes can run on the same physical machine or in another physical..
How can I send python multiprocessing Process output to a Tkinter gui http://stackoverflow.com/questions/4227808/how-can-i-send-python-multiprocessing-process-output-to-a-tkinter-gui Process displayed in a Tkinter gui. I can send output from Processes via a gui to a command shell for example by running the fllowing.. However I can't figure out how to send output from the Processes to the text box. Am I missing something simple python gui tkinter..
Python multiprocessing: sharing a large read-only object between processes? http://stackoverflow.com/questions/659865/python-multiprocessing-sharing-a-large-read-only-object-between-processes share objects created earlier in the program No. Processes have independent memory space. Solution 1 To make best use of..
Multiprocessing or Multithreading? http://stackoverflow.com/questions/731993/multiprocessing-or-multithreading other can overwrite memory and create serious problems. Processes however share information through a lot of mechanisms. A Posix..
python Pool with worker Processes http://stackoverflow.com/questions/9038711/python-pool-with-worker-processes Pool with worker Processes I am trying to use a worker Pool in python using Process objects...
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