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subwrap - A simple wrapper for subprocess

Project Description

This is a very thin layer on top of stdlib’s subprocess module. It is simply for some convenient functions that are needed in many of my projects.

Full documentation could come later but if you really want something that makes using subprocess much easier I would personally try envoy. However, at this time envoy seemed a bit too early in it’s development to use so I created my own very thin layer to satisfy my needs for the time being.

If you’d like something with higher aspirations please check out envoy.


Simple example:

import subwrap

response =['echo', 'hello'])

# Display hello
print response.std_out

By default subwrap throws a CommandError if the command being run exits with an exit code that is not zero. To catch default command errors:

import subwrap

    response =['false'])
except subwrap.CommandError, e:
    #this is the response, you can do what you want here
    response = e.response

However that’s not always useful. You can have subwrap run your own custom exit handle for each subprocess. Just do the following:

import subwrap

def my_exit_handle(response):
    if response.return_code == 0:
        print "HAPPY DAY!"
        print "Not as happy"

# The next line will output "Not as happy" to stdout
response =['false'], exit_handle=my_exit_handle)


MIT License

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Source None Mar 28, 2013

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