How expensive are repeated import calls in Python?

Asked Jun 19 '22 at 08:26

Active Jun 19 '22 at 08:26

Viewed 15 times

I want to put an import inside a function, like so:

def a():
  import x
  ...

This is because the module is just a collection of miscellaneous functions, and the user might not want to use the a function at all. But I don't want a to become slow because of the repeated, redundant import calls.

asked Jun 19 '22 at 08:26

HappyFace

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Imports are cached in Python by default. – juanpa.arrivillaga Jun 19 '22 at 08:28
@juanpa.arrivillaga I know that, but I am specifically asking how expensive a 'cached" import is. It might still be expensive. – HappyFace Jun 19 '22 at 08:50
It's a dictionary lookup. Try timing it. – juanpa.arrivillaga Jun 19 '22 at 10:31

How expensive are repeated import calls in Python?

0 Answers0