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Importing Modules¶
The modules described in this chapter provide new ways to import other Python
modules and hooks for customizing the import process.
The full list of modules described in this chapter is:
zipimport — Import modules from Zip archives
zipimporter Objects
Examples
pkgutil — Package extension utility
modulefinder — Find modules used by a script
Example usage of ModuleFinder
runpy — Locating and executing Python modules
importlib — The implementation of import
Introduction
Functions
importlib.abc – Abstract base classes related to import
importlib.machinery – Importers and path hooks
importlib.util – Utility code for importers
Examples
Importing programmatically
Checking if a module can be imported
Importing a source file directly
Implementing lazy imports
Setting up an importer
Approximating importlib.import_module()
importlib.resources – Package resource reading, opening and access
Deprecated functions
importlib.resources.abc – Abstract base classes for resources
importlib.metadata – Accessing package metadata
Overview
Functional API
Entry points
Distribution metadata
Distribution versions
Distribution files
Distribution requirements
Mapping import to distribution packages
Distributions
Distribution Discovery
Extending the search algorithm
The initialization of the sys.path module search path
Virtual environments
_pth files
Embedded Python
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