The decorator implementation in python is helpful while implementing add on to a particular class functionality. Here in the below example the html bold and italic properties are added to a string using the decorator implementation.
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| def makebold(fn): | |
| def wrapped(): | |
| return "<b>" + fn() + "</b>" | |
| return wrapped | |
| def makeitalic(fn): | |
| def wrapped(): | |
| return "<i>" + fn() + "</i>" | |
| return wrapped | |
| @makebold | |
| @makeitalic | |
| def hello(): | |
| return "hello world" | |
| print hello() ## returns <b><i>hello world</i></b> |
