Package

As explained in Python Workout, Second Edition

A package is a Python namespace that organizes related modules and subpackages, typically represented by a directory.

How Python Workout, Second Edition covers it

How deep it goes

Defines directory-based packages and demonstrates alternative module import paths without descending into package internals.

Examples

Uses mypackage with first.py, second.py, and third.py, plus a menu.py packaging exercise.

What it assumes

Assumes familiarity with modules and import statements.

What you can do after

Build packages from related modules and import those modules with short or qualified names.

How it connects

Connects packages with modules, import statements, sys.path, the standard library, and PyPI.

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Also explained in

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  The Well-Grounded Python Developer: How the pros use Python and FlaskA Python package is an importable directory that organizes related Python modules and subpackages.
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  Go in Action, Second EditionA package is a Go compilation and namespace unit that groups related declarations and controls their visibility across source files.
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  Learn Go with Pocket-Sized ProjectsA Go package is a collection of related source files in one directory that share a package name and provide a scope for declarations.
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  100 Go Mistakes and How to Avoid ThemA package is a Go unit of source organization and compilation that groups related declarations and controls dependencies between code units.
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  Go in Practice, Second EditionA Go package is a compilable unit of related Go source files whose exported identifiers are referenced through the package name.
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  Go by ExampleA Go package is a collection of Go source files that provides a namespace and compilation unit.

Compare how 7 books explain package →

Related concepts

• encoding/jsonincludes · encoding/json is Go’s standard-library package for encoding Go values as JSON and decoding JSON into Go values.
• classhas part · A class is a programming-language construct that defines a type’s structure or behavior and provides a basis for creating or representing objects.
• init functionhas part · An init function is a special Go package-level function that runs automatically during package initialization before ordinary program execution.
• go modulepart of · A Go module is a versioned collection of related Go packages defined by a go.mod file and managed as a unit for dependency resolution and builds.
• import statementused by · An import statement is a source-code declaration that makes names or definitions from another module, package, or namespace available in the current scope.
• go commandused by · The go command is Go’s standard command-line interface for compiling, building, testing, formatting, analyzing, and managing Go programs and dependencies.

This explainer was generated by Manning's knowledge graph from the text of Python Workout, Second Edition. The section links point to the parts of the book it draws on.