bash - Python executable that uses third party module -

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i writing python script leverage installation of big project. make single executable .py script, once called, needed (it wrapper bash commands, added error handling , user input). however, need third party modules (such envoy)...how can include them in order usable within script?

assuming 3rd party modules not installed, , don't want include them python script, use urllib2 download modules when user runs script: how download file on http using python?


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