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Progress Bars in Notebooks?

Some of my cells take forever to run, so I'd like to be able to see how long they have left. Is it possible to have a progress bar (similar to the one that pops up when creating a tearsheet) for cells?

2 responses

The IPython notebooks cannot tell how long your code is going to run. If you want your cells to have a progress bar, you should add your own.
IPython seems to have functions for creating such a progress bar but they are apparently not part of the "safe" libraries allowed on Q. Anyway, you would still need to call a function at every loop to update it.
As far as I am concerned, if a loop is going to run N times, I use [ print (2*N-1) * "="] to create a baseline, then [print "*",] at each iteration. The coma cancels the line break. I then add a [print ""] after the loop to have a line break at the end of the line.
For a 5-itterations loop, it would give:

=========
* * * * *  

I hope it helps.

@Antoine: Thanks for sharing! And thanks for explaining why the comma helps.

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