On Fri, Jun 25, 2010 at 7:35 PM, Michael Foord <fuzzyman at voidspace.org.uk> wrote: > Hello all, > > I've put a recipe up on the Python cookbook for creating APIs that work as > both decorators and context managers and wonder if it would be considered a > useful addition to the functools module. > http://code.activestate.com/recipes/577273-decorator-and-context-manager-from-a-single-api/ It's an interesting idea. I wanted almost exactly this a little while ago, while doing some experiments to add an IEEE 754-compliance wrapper to the decimal module (for my own use). It seems quite natural that one might want to wrap both functions and blocks in the same way. [1] In case anyone wants the details, this was for a 'delay-exceptions' operation, that allows you to execute some number of arithmetic operations, keeping track of the floating-point signals that they produce but not raising the corresponding exceptions until the end of the block; obviously this idea applies equally well to functions as to blocks. It's one of the recommended exception handling modes from section 8 of IEEE 754-2008. Mark
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