Posted by : Rhyf Ahmad Tuesday, May 12, 2015

It is truly great to be able to process your file-based data. But what happens to your data when you’re done? Of course, it’s best to save your data to a disk file, which allows you to use it again at some later date and time. Taking your memory-based data and storing it to disk is what persistence is all about.

Python supports all the usual tools for writing to files and also provides some cool facilities for efficiently storing Python data. So…flip the page and let’s get started learning them.


Programs produce data
Open your file in write mode
Files are left open after an exception!
Extend try with finally
Knowing the type of error is not enough
Use with to work with files
Default formats are unsuitable for files
Why not modify print_lol()?
Pickle your data
Save with dump and restore with load
Generic file I/O with pickle is the way to go!
Your Python Toolbox

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