https://squareblogs.net/forest....bed19/wholesale-impo
A base URL is beneficial for the URL parser when the enter might be a relative-URL string. This is used to assist caching the thing a "blob" URL refers to as wellas its origin. It is essential that these are cached as the URL could be eliminated fromthe blob URL store between parsing and fetching, whereas fetching will still must succeed. A URL’s port is eithernull or a 16-bit unsigned integer that identifies a networking port. Pathconverters can also raise ValueError to point no match,