The modules described in this chapter help you write software. For example, the pydoc module takes a module and generates documentation based on the module’s contents. The doctest and unittest modules contains frameworks for writing unit tests that automatically exercise code and verify that the expected output is produced. 2to3 can translate Python 2.x source code into valid Python 3.x code.
The list of modules described in this chapter is:
typing — Support for type hintsAny typepydoc — Documentation generator and online help systemdoctest — Test interactive Python examples unittest — Unit testing framework unittest.mock — mock object library unittest.mock — getting startedtest — Regression tests package for Python test.support — Utilities for the Python test suitetest.support.socket_helper — Utilities for socket teststest.support.script_helper — Utilities for the Python execution teststest.support.bytecode_helper — Support tools for testing correct bytecode generationtest.support.threading_helper — Utilities for threading teststest.support.os_helper — Utilities for os teststest.support.import_helper — Utilities for import teststest.support.warnings_helper — Utilities for warnings tests
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