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Python selectors Module

❮ Standard Library Modules

Example

Monitor stdin for input using a selector:

import selectors
import sys

sel = selectors.DefaultSelector()
sel.register(sys.stdin, selectors.EVENT_READ)
print('Waiting for input...')
Try it Yourself »

Definition and Usage

The selectors module provides high-level I/O multiplexing built on the select module.

Use it to efficiently monitor multiple file descriptors with a platform-independent API that automatically selects the best implementation.

Members

Member Description
BaseSelectorAbstract base class for selector objects.
DefaultSelectorAlias for the most efficient selector available on the platform.
DevpollSelectorSelector based on Solaris /dev/poll.
EVENT_READConstant for registering read events.
EVENT_WRITEConstant for registering write events.
EpollSelectorSelector based on Linux epoll.
KqueueSelectorSelector based on BSD kqueue.
PollSelectorSelector based on Unix poll().
SelectSelectorSelector based on select.select().
SelectorKeyNamed tuple containing registration information.

❮ Standard Library Modules

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