Reader¶ class asdf.typing.Reader[source]¶ Bases: object Protocol for simple I/O reader instances. This protocol only supports blocking I/O. Methods Summary read([size]) Read data from the input stream and return it. Methods Documentation abstractmethod read(size=Ellipsis, /)[source]¶ Read data from the input stream and return it. If size is specified, at most size items (bytes/characters) will be read.