How to get the function definition from an object?

Question

Suppose we have following code defined in tester.py

class Tester( object ):
    def method( self ):
        print 'I am a Tester'

and we have following defined in main.py

from tester import Tester
t = Tester()
#print definition of t

is there anyway we could get the definitions of a class/function from an object in a systematic way? or we have to parse the code and extract the code definition manually then save them into a string?

You might want to explain the bigger goal you're trying to achieve, since there's probably a better way to do it than whatever you've got in mind. — Matt Ball
– Matt Ball, Commented Oct 29, 2011 at 21:21

Adam Wagner · Accepted Answer · 2011-10-29 21:23:13Z

9

You can use the inspect module:

import inspect

class Tester( object ):
    def method( self ):
        print 'I am a Tester'

print inspect.getsource(Tester)

Output:

class Tester( object ):
    def method( self ):
        print 'I am a Tester'

answered Oct 29, 2011 at 21:23

Adam Wagner

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1 Comment

Raymond Hettinger Over a year ago

Nice and simple. Good answer.

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