Source code: Lib/email/iterators.py Iterating over a message object tree is fairly easy with the Message.walk method. The email.iterators module provides some useful higher level iterations over me...

Source code: Lib/types.py This module defines utility functions to assist in dynamic creation of new types. It also defines names for some object types that are used by the standard Python interpre...

Source code: Lib/zipapp.py This module provides tools to manage the creation of zip files containing Python code, which can be executed directly by the Python interpreter. The module provides both ...

Source code: Lib/textwrap.py The textwrap module provides some convenience functions, as well as TextWrapper, the class that does all the work. If you’re just wrapping or filling one or two text st...

Source code: Lib/weakref.py The weakref module allows the Python programmer to create weak references to objects. In the following, the term referent means the object which is referred to by a weak...

This module provides low-level primitives for working with multiple threads (also called light-weight processes or tasks) — multiple threads of control sharing their global data space. For synchron...

These functions raise TypeError when expecting a bytes parameter and called with a non-bytes parameter.

Source code: Lib/importlib/resources/abc.py

Source code: Lib/sysconfig.py The sysconfig module provides access to Python’s configuration information like the list of installation paths and the configuration variables relevant for the current...

Source code: Lib/_collections_abc.py This module provides abstract base classes that can be used to test whether a class provides a particular interface; for example, whether it is hashable or whet...