On 28 September 2012 17:26, Rolando Cañer Roblejo <rolando.ca...@gmail.com>wrote:
> Hi all, > > Please, I need you suggest me a way to get statistics about a progress of > my python script. My python script could take a lot of time processing a > file, so I need a way that an external program check the progress of the > script. My first idea was that the python script write a temp file showing > the progress and the external program can check that file, but I think > might happen file read/write locking issues. > Why does it need to be an external program? I often write python scripts that run in the terminal and spend a long time processing a file or list of files. The simply way to report progress in that case is to just print something out every now and again. When I'm feeling extravagant I use the progressbar library from PyPI: http://pypi.python.org/pypi/progressbar/ With progressbar you can get a very nice display of current progress, ETA, etc: ''' import os.path import sys from progressbar import ProgressBar, Percentage, Bar, ETA def start(text, size): widgets = [text + ' ', Percentage(), ' ', Bar(), ETA()] return ProgressBar(widgets=widgets, maxval=size).start() def process_file(path): pbar = start(os.path.basename(path), os.path.getsize(path)) with open(path) as fin: for line in fin: pbar.update(pbar.currval + len(line)) words = line.split() pbar.finish() for path in sys.argv[1:]: process_file(path) ''' Oscar
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