This module provides access to the select() and poll() functions available in most operating systems, devpoll() available on Solaris and derivatives, epoll() available on Linux 2.5+ and kqueue() av...

This module provides APIs to manage, store, and access context-local state. The ContextVar class is used to declare and work with Context Variables. The copy_context() function and the Context clas...

“Descriptors” are objects that describe some attribute of an object. They are found in the dictionary of type objects.

Author, A.M. Kuchling and Moshe Zadka,. Introduction: A new release of Python, version 2.0, was released on October 16, 2000. This article covers the exciting new features in 2.0, highlights some o...

Source code: Lib/smtplib.py The smtplib module defines an SMTP client session object that can be used to send mail to any internet machine with an SMTP or ESMTP listener daemon. For details of SMTP...

The functions described in this chapter will let you handle and raise Python exceptions. It is important to understand some of the basics of Python exception handling. It works somewhat like the PO...

This document aims to give an overview of macOS-specific behavior you should know about to get started with Python on Mac computers. Python on a Mac running macOS is very similar to Python on other...

Author, Andrew Dalke and Raymond Hettinger,. Python lists have a built-in list.sort() method that modifies the list in-place. There is also a sorted() built-in function that builds a new sorted lis...

Source code: Lib/urllib/ urllib is a package that collects several modules for working with URLs: urllib.request for opening and reading URLs, urllib.error containing the exceptions raised by urlli...

Functions for number conversion and formatted string output. PyOS_snprintf() and PyOS_vsnprintf() wrap the Standard C library functions snprintf() and vsnprintf(). Their purpose is to guarantee con...