gyptest-generator-output-different-drive.py 文件源码

def GetFirstFreeDriveLetter():
    """ Returns the first unused Windows drive letter in [A, Z] """
    all_letters = [c for c in string.uppercase]
    in_use = win32api.GetLogicalDriveStrings()
    free = list(set(all_letters) - set(in_use))
    return free[0]