Python decorative functions

Source: Internet
Author: User

 fromTimeImportCTime, SleepdefTsfunc (func):defWrappedfunc ():Print('[%s]%s () classed'% (CTime (), Func.__name__))        Print("perform the adorner first")        returnfunc ()Print("This is tsfunc")    returnWrappedfunc@tsfuncdeffoo ():Print("This is foo") @tsfuncdefFoo2 ():Print("This is Foo2") foo (); Foo2 ();

Run results

This was Tsfuncthis is Tsfunc[fri Dec 20:48:34] Foo () classed first performed adorner this is Foo[fri Dec 20:48:34] Foo2 () CLA Ssed perform the adorner first foo2[finished in 0.2s]

After calling Foo (),

The statements in the adorner are executed first.

Then start calling the inner function, executing the statement of the inner function

Then start executing the statement of the decorated function

Python decorative functions

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