windows.py 文件源码

def get_read_handle(filename):
        if os.path.isdir(filename):
            dwFlagsAndAttributes = win32file.FILE_FLAG_BACKUP_SEMANTICS
        else:
            dwFlagsAndAttributes = 0

        # CreateFile(fileName, desiredAccess, shareMode, attributes,
        #            CreationDisposition, flagsAndAttributes, hTemplateFile)
        try:
            handle = win32file.CreateFileW(filename,  # with 'W' accepts unicode
                         win32file.GENERIC_READ, win32file.FILE_SHARE_READ, None,
                         win32file.OPEN_EXISTING, dwFlagsAndAttributes, None)
            return handle
        except Exception as e:
            raise PygcamException("get_read_handle(%s) failed: %s" % (filename, e))