Check if Python Package is installed

Question

What\'s a good way to check if a package is installed while within a Python script? I know it\'s easy from the interpreter, but I need to do it within a script.

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Answer 1

A quick way is to use python command line tool. Simply type import You see an error if module is missing.

$ python
Python 2.7.6 (default, Jun 22 2015, 17:58:13) 
>>> import sys
>>> import jocker
Traceback (most recent call last):
  File "", line 1, in 
ImportError: No module named jocker
$