Python 2.6.1: checking for imports

I wrote a utility script for some of my Mac OSX colleagues with Python 2.6.1. Since they don't have all the required modules, I have a try-except import clause:

try:
    import argparse
except ImportError:
    print "argparse module missing: Please run 'sudo easy_install argparse'"
    sys.exit(1)

      

I'm sure there are more elegant ways to handle this. Any ideas?

+3
python python-import python-module macos


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3 answers


Your best shot is to freeze your Python code with all the required modules and distribute it as binary; it worked for me with Windows and Linux, however on Linux, make sure you have a compatible glibc version

There are some freezing tools for Mac OS X, but I haven't used them. I've only used Windows and Linux tools.



check out this link for more information

http://hackerboss.com/how-to-distribute-commercial-python-applications/

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This is a common idiom, but you can use setuptools

and pip to automate the installation of dependencies ( example ).



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This is actually the best way to do it. The same approach, for example, is used to select different json libraries depending on what is installed on the machine:

try:
    import simplejson as json
except ImportError:
    import json

      

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