initial import of the packaging package in the standard library
diff --git a/Lib/packaging/tests/test_command_clean.py b/Lib/packaging/tests/test_command_clean.py
new file mode 100644
index 0000000..8d29e4d
--- /dev/null
+++ b/Lib/packaging/tests/test_command_clean.py
@@ -0,0 +1,48 @@
+"""Tests for distutils.command.clean."""
+import os
+
+from packaging.command.clean import clean
+from packaging.tests import unittest, support
+
+
+class cleanTestCase(support.TempdirManager, support.LoggingCatcher,
+ unittest.TestCase):
+
+ def test_simple_run(self):
+ pkg_dir, dist = self.create_dist()
+ cmd = clean(dist)
+
+ # let's add some elements clean should remove
+ dirs = [(d, os.path.join(pkg_dir, d))
+ for d in ('build_temp', 'build_lib', 'bdist_base',
+ 'build_scripts', 'build_base')]
+
+ for name, path in dirs:
+ os.mkdir(path)
+ setattr(cmd, name, path)
+ if name == 'build_base':
+ continue
+ for f in ('one', 'two', 'three'):
+ self.write_file(os.path.join(path, f))
+
+ # let's run the command
+ cmd.all = True
+ cmd.ensure_finalized()
+ cmd.run()
+
+ # make sure the files where removed
+ for name, path in dirs:
+ self.assertFalse(os.path.exists(path),
+ '%r was not removed' % path)
+
+ # let's run the command again (should spit warnings but succeed)
+ cmd.all = True
+ cmd.ensure_finalized()
+ cmd.run()
+
+
+def test_suite():
+ return unittest.makeSuite(cleanTestCase)
+
+if __name__ == "__main__":
+ unittest.main(defaultTest="test_suite")