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/pathlib.py

@@ -1,30 +1,19 @@
+import cosmo
 import fnmatch
 import functools
 import io
-import ntpath
 import os
+import ntpath
 import posixpath
 import re
 import sys
-from collections import Sequence
+from collections.abc import Sequence
 from contextlib import contextmanager
 from errno import EINVAL, ENOENT, ENOTDIR
 from operator import attrgetter
 from stat import S_ISDIR, S_ISLNK, S_ISREG, S_ISSOCK, S_ISBLK, S_ISCHR, S_ISFIFO
 from urllib.parse import quote_from_bytes as urlquote_from_bytes
-
-
-supports_symlinks = True
-if os.name == 'nt':
-    import nt
-    if sys.getwindowsversion()[:2] >= (6, 0):
-        from nt import _getfinalpathname
-    else:
-        supports_symlinks = False
-        _getfinalpathname = None
-else:
-    nt = None
-
+from posix import _getfinalpathname
 
 __all__ = [
     "PurePath", "PurePosixPath", "PureWindowsPath",
@@ -113,7 +102,7 @@ class _WindowsFlavour(_Flavour):
     has_drv = True
     pathmod = ntpath
 
-    is_supported = (os.name == 'nt')
+    is_supported = (os.name == 'nt' or cosmo.kernel == 'nt')
 
     drive_letters = (
         set(chr(x) for x in range(ord('a'), ord('z') + 1)) |
@@ -421,7 +410,7 @@ class _NormalAccessor(_Accessor):
 
     replace = _wrap_binary_strfunc(os.replace)
 
-    if nt:
+    if 0 and nt:  # [jart] what
         if supports_symlinks:
             symlink = _wrap_binary_strfunc(os.symlink)
         else: