Drop direct execution of os_refresh_config.py

Now we generate the console script using setuptools, and we don't
expect users may directly execute the *.py file.

Change-Id: I6fb802d0dee7e47f9fd619afba2f379f881914af

os_refresh_config/os_refresh_config.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 # Copyright 2013 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #
@@ -159,7 +158,3 @@ def main(argv=sys.argv):
             log.debug('No dir for phase %s' % phase)
 
     return exit(lock)
-
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))

os_refresh_config/tests/test_cmd.py

@@ -17,16 +17,11 @@ import time
 import fixtures
 import testtools
 
-script_path = os.path.join(
-    os.path.dirname(os.path.realpath(__file__)),
-    '../os_refresh_config.py')
-
 
 class TestCmd(testtools.TestCase):
 
     def setUp(self):
         super(TestCmd, self).setUp()
-        self.assertTrue(os.path.exists(script_path))
         self.useFixture(fixtures.NestedTempfile())
         self.base_dir = self.useFixture(fixtures.TempDir())
         self.lockdir = self.useFixture(fixtures.TempDir())
@@ -49,7 +44,7 @@ class TestCmd(testtools.TestCase):
             'PATH': os.environ.get('PATH')
         }
         cmd_args = [
-            script_path,
+            'os-refresh-config',
             '--lockfile', self.lockfile
         ]
         if args:

tox.ini

@@ -1,6 +1,5 @@
 [tox]
 minversion = 3.1.0
-skipsdist = True
 envlist = py3,pep8
 skip_missing_interpreters = true
 # this allows tox to infer the base python from the environment name
@@ -14,7 +13,6 @@ deps =
        -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-install_command = pip install {opts} {packages}
 commands =
   stestr run --slowest {posargs}