fix_encoding.py 文件源码

def __init__(self, console_handle, fileno, stream_name, encoding):
    super(WinUnicodeConsoleOutput, self).__init__(
        fileno, '<Unicode console %s>' % stream_name, encoding)
    # Handle to use for WriteConsoleW
    self._console_handle = console_handle

    # Loads the necessary function.
    # These types are available on linux but not Mac.
    # pylint: disable=no-name-in-module,F0401
    from ctypes import byref, GetLastError, POINTER, windll, WINFUNCTYPE
    from ctypes.wintypes import BOOL, DWORD, HANDLE, LPWSTR
    from ctypes.wintypes import LPVOID  # pylint: disable=no-name-in-module

    self._DWORD = DWORD
    self._byref = byref

    # <http://msdn.microsoft.com/en-us/library/ms687401.aspx>
    self._WriteConsoleW = WINFUNCTYPE(
        BOOL, HANDLE, LPWSTR, DWORD, POINTER(DWORD), LPVOID)(
            ('WriteConsoleW', windll.kernel32))
    self._GetLastError = GetLastError