文件路径和名称的oo视图,从bytes/str/unicode子类
antipath的Python项目详细描述
厌倦了为每个需要执行的路径操作调用函数?
是:
>>> path, filename = os.path.split(some_name) >>> basename, ext = os.path.splitext(filename) >>> basename = basename + '_01' >>> new_name = os.path.join(path, basename+ext)
你紧张吗?
简而言之,你对os.path充满了反感吗?
然后产生反感并使用path:
>>> from antipathy import Path >>> some_name = Path('/home/ethan/source/my_file.txt') >>> backups = Path('/home/ethan/backup/') >>> print some_name.path '/home/ethan/source/' >>> print some_name.ext '.txt' >>> print some_name.exists() True # (well, if it happens to exist at this moment ;) >>> backup = backups / some_name.filename + '_01' + some_name.ext >>> print backup '/home/ethan/backup/my_file_01.txt' >>> some_name.copy(backup)
因为path是bytes/str/unicode的一个子类,所以它仍然可以传递给其他需要bytes/str/unicode对象并无缝工作的函数[2]。
[1]https://www.google.com/#q=antipathy
[2]在大多数情况下,有一些地方会执行类型检查,而不是IsInstance检查。