[Tutor] Question about profile.run() and decorators

[Kent Johnson]

Thane.Frivold at nokia.com wrote:

> 	Is there a way to construct a string version (suitable to pass
> into profile.run()) from what is available inside a decorator function?
> I realize that what I am trying to do could probably be done otherwise,
> but this arose out of questions and problems possed in a Python class I
> just completed, and I am still trying to find my way around the
> language. My 'best' attempt is shown below.

Take a look at profile.Profile.runcall() (look at the source for 
profile, it is not in the docs). This function takes an actual function 
object as its parameter rather than a string describing the function call.

Kent

> 
> 	Also, I have limited myself to a function with only 1 parameter,
> but it seems to get even worse if you have 2 or more arguments, since
> repr() takes only a single argument.
> 
> 	BTW, I am using ActiveState Python 2.4.3 on Windows XP.
> 
> 	Any and all suggestions or solutions welcomed.
> 
> 	Thank you.
> 
> 	Cheers,
> 
> - Thane
> 
> =-=-=
> 
> import profile
> 
> def myProfileDecorator(function):
>   def newFunction(obj, *args):
>     # This attempt does not seem to give an object expression that can
> be used
>     #expression = function.__name__ + '(' + repr(obj) + ',' +
> repr(*args) + ')'
> 
>     # This attempt generates a NameError exception
>     expression = function.__name__ + '(' + repr(*args) + ')'
> 
>     print 'About to call: profile.run(', expression, ')'
>     profile.run(expression)
>   return newFunction
> 
> import random
> 
> class Foo:
>   @myProfileDecorator
>   def results(x):
>     print str(x) + " Done"
> 
> x = Foo()
> 
> print x.results("Almost")
> 
> =-=-=
> 
> 
> 
>  
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