python and process

What is the best wa开发者_JAVA技巧y in python find the process name and owner?

Now i use WMI, but this version is too slow.

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By using https://github.com/giampaolo/psutil:

>>> import psutil, os
>>> p = psutil.Process(os.getpid())
>>> p.name()
'python.exe'
>>> p.username()
'giampaolo'
>>> 

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Process name: is sys.argv[0] not sufficient for your purposes?