Canonical / Idiomatic“做我的意思”当传递一个字符串，可以使用文件名，URL或实际数据来处理

It's not uncommon to see Python libraries that expose a universal "opener" function, that accept as their primary argument a string that could either represent a local filename (which it will open and operate on), a URL(which it will download and operate on), or data(which it will operate on).It's not uncommon to see Python libraries that