setup.py example will hang forever

[pytoxbot]

• Bitbucket: https://bitbucket.org/hpk42/tox/issue/233
• Originally reported by: simonb
• Originally created at: 2015-04-05T14:26:28.192

In the setuptools integration example in the documentation

The script will hang forever if there are no arguments passed to tox.

This is because the argument to shlex.split() is None so it waits to read from stdin.

I suggest to change the example to something like the below.

#!python

    def run_tests(self):
        import tox
        import shlex
        args = self.tox_args
        if args:
            args = shlex.split(self.tox_args)
        errno = tox.cmdline(args=args)
        sys.exit(errno)

[pytoxbot]

Original comment by @hpk42

fix issue233: avoid hanging with tox-setuptools integration example. Thanks simonb.

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