Edit file File name : stringio.py Content :""" Functions for StringIO objects """ import io readable_types = (io.StringIO,) writable_types = (io.StringIO,) def is_stringio(obj): return isinstance(obj, readable_types) def is_readable(obj): return isinstance(obj, readable_types) and obj.readable() def is_writable(obj): return isinstance(obj, writable_types) and obj.writable() Save