Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium
New issue 2535 by asmeurer: Use "with open" instead of "open … close"
http://code.google.com/p/sympy/issues/detail?id=2535
Now that we don't support Python 2.4, we can use with statement context
managers. One of the best places to use this is when opening a file. You
can do
with open(file) as f:
do stuff
instead of
f = open(file)
do stuff
f.close()
And it's not only more readable, but also the with statement context
manager will automatically close the file, even if an exception is raised.
There are a handful of places in the code where we open() stuff (do git
grep "open\("). Remember that to support the with statement in Python 2.5,
you have to add "from __future__ import with_statement" to the top of the
file.
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