selectors.SelectorKey

class selectors.SelectorKey

A SelectorKey is a namedtuple used to associate a file object to its underlying file decriptor, selected event mask and attached data. It is returned by several BaseSelector methods.

fileobj

File object registered.

fd

Underlying file descriptor.

events

Events that must be waited for on this file object.

data

Optional opaque data associated to this file object: for example, this could be used to store a per-client session ID.