Function normcase

Lib/ntpath.py:50–67

Normalize case of pathname. Makes all characters lowercase and all slashes into backslashes.

(s, /)

        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.