diff options
Diffstat (limited to 'Lib/ntpath.py')
| -rw-r--r-- | Lib/ntpath.py | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/Lib/ntpath.py b/Lib/ntpath.py index 041ebc7..73b1bd1 100644 --- a/Lib/ntpath.py +++ b/Lib/ntpath.py @@ -23,6 +23,7 @@ import stat import genericpath from genericpath import * + __all__ = ["normcase","isabs","join","splitdrive","split","splitext", "basename","dirname","commonprefix","getsize","getmtime", "getatime","getctime", "islink","exists","lexists","isdir","isfile", @@ -41,14 +42,39 @@ def _get_bothseps(path): # Other normalizations (such as optimizing '../' away) are not done # (this is done by normpath). -def normcase(s): - """Normalize case of pathname. - - Makes all characters lowercase and all slashes into backslashes.""" - s = os.fspath(s) - if isinstance(s, bytes): - return s.replace(b'/', b'\\').lower() - else: +try: + from _winapi import ( + LCMapStringEx as _LCMapStringEx, + LOCALE_NAME_INVARIANT as _LOCALE_NAME_INVARIANT, + LCMAP_LOWERCASE as _LCMAP_LOWERCASE) + + def normcase(s): + """Normalize case of pathname. + + Makes all characters lowercase and all slashes into backslashes. + """ + s = os.fspath(s) + if not s: + return s + if isinstance(s, bytes): + encoding = sys.getfilesystemencoding() + s = s.decode(encoding, 'surrogateescape').replace('/', '\\') + s = _LCMapStringEx(_LOCALE_NAME_INVARIANT, + _LCMAP_LOWERCASE, s) + return s.encode(encoding, 'surrogateescape') + else: + return _LCMapStringEx(_LOCALE_NAME_INVARIANT, + _LCMAP_LOWERCASE, + s.replace('/', '\\')) +except ImportError: + def normcase(s): + """Normalize case of pathname. + + Makes all characters lowercase and all slashes into backslashes. + """ + s = os.fspath(s) + if isinstance(s, bytes): + return os.fsencode(os.fsdecode(s).replace('/', '\\').lower()) return s.replace('/', '\\').lower() |