Calling a function of a module by using its name a string

0 votes
What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo, and I have a string whose content is "bar". What is the best way to call

I need to get the return value of the function, which is why I don't just use eval. I figured out how to do it by using eval to define a temp function that returns the result of that function call, but I'm hoping that there is a more elegant way to do this.
Nov 24, 2020 in Python by Rajiv
• 8,880 points

1 answer to this question.

0 votes

Assuming module foo with method bar:

import foo
method_to_call = getattr(foo, 'bar')
result = method_to_call()

You could shorten lines 2 and 3 to:

result = getattr(foo, 'bar')()

if that makes more sense for your use case.

You can use getattr in this fashion on class instance bound methods, module-level methods, class methods... the list goes on.

answered Nov 24, 2020 by Gitika
• 65,850 points

Related Questions In Python

+2 votes
1 answer

How can I record the X,Y limits of a displayed X,Y plot using the matplotlib show() module?

A couple hours after posting this question ...READ MORE

answered Dec 27, 2018 in Python by anonymous
0 votes
2 answers
+1 vote
2 answers

how can i count the items in a list?

Syntax :            list. count(value) Code: colors = ['red', 'green', ...READ MORE

answered Jul 6, 2019 in Python by Neha
• 330 points

edited Jul 8, 2019 by Kalgi 1,720 views
0 votes
0 answers
0 votes
1 answer

How to import a module given its name as string?

With Python older than 2.7/3.1, that's pretty ...READ MORE

answered Nov 24, 2020 in Python by Gitika
• 65,850 points
0 votes
4 answers

how to sort a list of numbers without using built-in functions like min, max or any other function?

I guess you are trying to do ...READ MORE

answered Dec 11, 2020 in Python by Rajiv
• 8,880 points