<p>I finally found a non-trivial reason to implement a Python <a href="http://www.python.org/dev/peps/pep-0318/">decorator</a>. I make extensive use of Python keyword arguments in the <a href="http://code.google.com/p/pysmug/"><code>pysmug</code></a> API and map those spellings to SmugMug keyword arguments. The algorithm for converting a Python spelling to a SmugMug spelling is pretty straight forward and easily wrapped up in a function. Originally, the first line of every function required…