How can I get the source code of a Python function?

Question

Assume I have a Python function as characterized below: 

def foo(arg1,arg2):

    #do something with args

    a = arg1 + arg2

    return a

I can able to get the name of the function utilizing foo.func_name. How might I programmatically get its source code, as I composed previously?

Answer 1

In the event that the function is from a source document accessible on the filesystem, at that point inspect.getsource(foo) may be of help:

If foo is defined as:

def foo(arg1,arg2):         

    #do something with args 

    a = arg1 + arg2         

    return a  

then:

import inspect

lines = inspect.getsource(foo)

print(lines)

It returns:

def foo(arg1,arg2):         

    #do something with args 

    a = arg1 + arg2         

    return a 

In any case, I accept that if the function is gathered from a string, stream, or imported from an incorporated document, at that point you can't recover its source code.

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