Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

third_party/python/Lib/test/test_decimal.py

@@ -24,8 +24,9 @@ you're working through IDLE, you can import this test module and call test_main(
 with the corresponding argument.
 """
 
+import os
+import sys
 import math
-import os, sys
 import operator
 import warnings
 import pickle, copy
@@ -452,6 +453,10 @@ class IBMTestCases(unittest.TestCase):
         myexceptions.sort(key=repr)
         theirexceptions.sort(key=repr)
 
+        if result == ans and str(result) != str(ans):
+            print('WUT %s %s' % (result, ans))
+        if result != ans or str(result) != str(ans):
+            print('wut %r %r' % (result, ans))
         self.assertEqual(result, ans,
                          'Incorrect answer for ' + s + ' -- got ' + result)
 
@@ -5661,7 +5666,7 @@ def test_main(arith=None, verbose=None, todo_tests=None, debug=None):
         head, tail = filename.split('.')
         if todo_tests is not None and head not in todo_tests:
             continue
-        tester = lambda self, f=filename: self.eval_file(directory + f)
+        tester = lambda self, f=filename: self.eval_file(os.path.join(directory, f))
         setattr(CIBMTestCases, 'test_' + head, tester)
         setattr(PyIBMTestCases, 'test_' + head, tester)
         del filename, head, tail, tester
@@ -5692,8 +5697,9 @@ def test_main(arith=None, verbose=None, todo_tests=None, debug=None):
 if __name__ == '__main__':
     import optparse
     p = optparse.OptionParser("test_decimal.py [--debug] [{--skip | test1 [test2 [...]]}]")
-    p.add_option('--debug', '-d', action='store_true', help='shows the test number and context before each test')
-    p.add_option('--skip',  '-s', action='store_true', help='skip over 90% of the arithmetic tests')
+    p.add_option('--debug',   '-d', action='store_true', help='shows the test number and context before each test')
+    p.add_option('--skip',    '-s', action='store_true', help='skip over 90% of the arithmetic tests')
+    p.add_option('--verbose', '-v', action='store_true', help='Does nothing')
     (opt, args) = p.parse_args()
 
     if opt.skip: