Python: variables scope and profile.run

Question

I want to call profile.run within my function, i.e.:

def g():
    ...
def f():
    x = ...
    run.profile('g(x)')

However, it says 'x is not defined' when calling run.profile. As far as I understand, I have to supply import statement before calling g(x) inside string argument to run.profile, and I could do this with global variables.

Is this possible with local variables?

Answer 1

Instead of using run() use runctx() which allows you to supply locals and globals. For example:

>>> import cProfile
>>> def g(x):
...   print "g(%d)" % x
... 
>>> x=100
>>> cProfile.runctx('g(x)', {'x': x, 'g': g}, {})
g(100)
         3 function calls in 0.000 CPU seconds

   Ordered by: standard name

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
        1    0.000    0.000    0.000    0.000 <stdin>:1(g)
        1    0.000    0.000    0.000    0.000 <string>:1(<module>)
        1    0.000    0.000    0.000    0.000 {method 'disable' of '_lsprof.Profiler' objects}

>>>

See also runctx() in this document.