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_keyword.py

@@ -1,3 +1,4 @@
+import cosmo
 import keyword
 import unittest
 from test import support
@@ -64,6 +65,8 @@ class TestKeywordGeneration(unittest.TestCase):
                                                            TEST_PY_FILE))
         self.assertTrue(filecmp.cmp(KEYWORD_FILE, TEST_PY_FILE))
 
+    @unittest.skipIf(cosmo.MODE in ('tiny', 'rel'),
+                     "no py file in rel mode")
     def test_grammar(self):
         self._copy_file_without_generated_keywords(KEYWORD_FILE, TEST_PY_FILE)
         self.addCleanup(support.unlink, TEST_PY_FILE)
@@ -108,6 +111,8 @@ class TestKeywordGeneration(unittest.TestCase):
         actual = lines[start:end]
         self.assertEqual(actual, expected)
 
+    @unittest.skipIf(cosmo.MODE in ('tiny', 'rel'),
+                     "no py file in rel mode")
     def test_empty_grammar_results_in_no_keywords(self):
         self._copy_file_without_generated_keywords(KEYWORD_FILE,
                                                    PY_FILE_WITHOUT_KEYWORDS)
@@ -118,16 +123,22 @@ class TestKeywordGeneration(unittest.TestCase):
                                                            TEST_PY_FILE))
         self.assertTrue(filecmp.cmp(TEST_PY_FILE, PY_FILE_WITHOUT_KEYWORDS))
 
+    @unittest.skipIf(cosmo.MODE in ('tiny', 'rel'),
+                     "no py file in rel mode")
     def test_keywords_py_without_markers_produces_error(self):
         rc, stderr = self._generate_keywords(os.devnull, os.devnull)
         self.assertNotEqual(rc, 0)
         self.assertRegex(stderr, b'does not contain format markers')
 
+    @unittest.skipIf(cosmo.MODE in ('tiny', 'rel'),
+                     "no py file in rel mode")
     def test_missing_grammar_file_produces_error(self):
         rc, stderr = self._generate_keywords(NONEXISTENT_FILE, KEYWORD_FILE)
         self.assertNotEqual(rc, 0)
         self.assertRegex(stderr, b'(?ms)' + NONEXISTENT_FILE.encode())
 
+    @unittest.skipIf(cosmo.MODE in ('tiny', 'rel'),
+                     "no py file in rel mode")
     def test_missing_keywords_py_file_produces_error(self):
         rc, stderr = self._generate_keywords(os.devnull, NONEXISTENT_FILE)
         self.assertNotEqual(rc, 0)