Source code: Lib/urllib/error.py The urllib.error module defines the exception classes for exceptions raised by urllib.request. The base exception class is URLError. The following exceptions are ra...

Source code: Lib/wave.py The wave module provides a convenient interface to the Waveform Audio “WAVE” (or “WAV”) file format. Only uncompressed PCM encoded wave files are supported. The wave module...

Type check macros: Direct API functions: Macros: These macros trade safety for speed and they don’t check pointers.

Source code: Lib/bisect.py This module provides support for maintaining a list in sorted order without having to sort the list after each insertion. For long lists of items with expensive compariso...

Source code: Lib/xml/sax/saxutils.py The module xml.sax.saxutils contains a number of classes and functions that are commonly useful when creating SAX applications, either in direct use, or as base...

A C extension for CPython is a shared library (e.g. a.so file on Linux,.pyd on Windows), which exports an initialization function. To be importable, the shared library must be available on PYTHONPA...

Source code: Lib/quopri.py This module performs quoted-printable transport encoding and decoding, as defined in RFC 1521: “MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Spec...

Source code: Lib/logging/config.py Important: This page contains only reference information. For tutorials, please see Basic Tutorial, Advanced Tutorial, Logging Cookbook. This section describes th...

Starting with the 3.13 release, CPython has experimental support for a build of Python called free threading where the global interpreter lock(GIL) is disabled. Free-threaded execution allows for f...

Source code: Lib/poplib.py This module defines a class, POP3, which encapsulates a connection to a POP3 server and implements the protocol as defined in RFC 1939. The POP3 class supports both the m...