python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/unittest/__init__.py

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+"""
+Python unit testing framework, based on Erich Gamma's JUnit and Kent Beck's
+Smalltalk testing framework (used with permission).
+
+This module contains the core framework classes that form the basis of
+specific test cases and suites (TestCase, TestSuite etc.), and also a
+text-based utility class for running the tests and reporting the results
+ (TextTestRunner).
+
+Simple usage:
+
+    import unittest
+
+    class IntegerArithmeticTestCase(unittest.TestCase):
+        def testAdd(self):  # test method names begin with 'test'
+            self.assertEqual((1 + 2), 3)
+            self.assertEqual(0 + 1, 1)
+        def testMultiply(self):
+            self.assertEqual((0 * 10), 0)
+            self.assertEqual((5 * 8), 40)
+
+    if __name__ == '__main__':
+        unittest.main()
+
+Further information is available in the bundled documentation, and from
+
+  http://docs.python.org/library/unittest.html
+
+Copyright (c) 1999-2003 Steve Purcell
+Copyright (c) 2003-2010 Python Software Foundation
+This module is free software, and you may redistribute it and/or modify
+it under the same terms as Python itself, so long as this copyright message
+and disclaimer are retained in their original form.
+
+IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
+SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
+THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+
+THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE.  THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
+AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
+SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+"""
+
+__all__ = ['TestResult', 'TestCase', 'TestSuite',
+           'TextTestRunner', 'TestLoader', 'FunctionTestCase', 'main',
+           'defaultTestLoader', 'SkipTest', 'skip', 'skipIf', 'skipUnless',
+           'expectedFailure', 'TextTestResult', 'installHandler',
+           'registerResult', 'removeResult', 'removeHandler']
+
+# Expose obsolete functions for backwards compatibility
+__all__.extend(['getTestCaseNames', 'makeSuite', 'findTestCases'])
+
+__unittest = True
+
+from .result import TestResult
+from .case import (TestCase, FunctionTestCase, SkipTest, skip, skipIf,
+                   skipUnless, expectedFailure)
+from .suite import BaseTestSuite, TestSuite
+from .loader import (TestLoader, defaultTestLoader, makeSuite, getTestCaseNames,
+                     findTestCases)
+from .main import TestProgram, main
+from .runner import TextTestRunner, TextTestResult
+from .signals import installHandler, registerResult, removeResult, removeHandler
+
+# deprecated
+_TextTestResult = TextTestResult
+
+# There are no tests here, so don't try to run anything discovered from
+# introspecting the symbols (e.g. FunctionTestCase). Instead, all our
+# tests come from within unittest.test.
+def load_tests(loader, tests, pattern):
+    import os.path
+    # top level directory cached on loader instance
+    this_dir = os.path.dirname(__file__)
+    return loader.discover(start_dir=this_dir, pattern=pattern)