Source code: Lib/ssl.py This module provides access to Transport Layer Security (often known as “Secure Sockets Layer”) encryption and peer authentication facilities for network sockets, both clien...

Source code: Lib/http/cookiejar.py The http.cookiejar module defines classes for automatic handling of HTTP cookies. It is useful for accessing web sites that require small pieces of data – cookies...

Source code: Lib/optparse.py optparse is a more convenient, flexible, and powerful library for parsing command-line options than the old getopt module. optparse uses a more declarative style of com...

Perhaps one of the most important structures of the Python object system is the structure that defines a new type: the PyTypeObject structure. Type objects can be handled using any of the PyObject_...

This section outlines high-level asyncio APIs to work with coroutines and Tasks. Coroutines, Awaitables, Creating Tasks, Task Cancellation, Task Groups, Sleeping, Running Tasks Concurrently, Eager ...

Preface Transports and Protocols are used by the low-level event loop APIs such as loop.create_connection(). They use callback-based programming style and enable high-performance implementations of...

The Message class is very similar to the EmailMessage class, without the methods added by that class, and with the default behavior of certain other methods being slightly different. We also docume...

Source code: Lib/ctypes ctypes is a foreign function library for Python. It provides C compatible data types, and allows calling functions in DLLs or shared libraries. It can be used to wrap these ...

Source code: Lib/collections/__init__.py This module implements specialized container datatypes providing alternatives to Python’s general purpose built-in containers, dict, list, set, and tuple.,,...

Source code: Lib/dataclasses.py This module provides a decorator and functions for automatically adding generated special methods such as__init__() and__repr__() to user-defined classes. It was ori...