本文分享实例代码主要在实现验证文件是否有读写权限问题，具体如下：

# Import python libsimport osdef is_writeable(path, check_parent=False): ''' Check if a given path is writeable by the current user. :param path: The path to check :param check_parent: If the path to check does not exist, check for the ability to write to the parent directory instead :returns: True or False ''' if os.access(path, os.F_OK) and os.access(path, os.W_OK): # The path exists and is writeable return True if os.access(path, os.F_OK) and not os.access(path, os.W_OK): # The path exists and is not writeable return False # The path does not exists or is not writeable if check_parent is False: # We're not allowed to check the parent directory of the provided path return False # Lets get the parent directory of the provided path parent_dir = os.path.dirname(path) if not os.access(parent_dir, os.F_OK): # Parent directory does not exit return False # Finally, return if we're allowed to write in the parent directory of the # provided path return os.access(parent_dir, os.W_OK)def is_readable(path): ''' Check if a given path is readable by the current user. :param path: The path to check :returns: True or False ''' if os.access(path, os.F_OK) and os.access(path, os.R_OK): # The path exists and is readable return True # The path does not exist return False

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