unittest — Unit testing framework — Python 3.14.2 documentation
3 days ago · This is intended largely for ease of use for those new to unit testing. For production environments it is recommended that tests be driven by a continuous integration system such …
test — Regression tests package for Python — Python 3.14.2 …
2 days ago · The test package contains all regression tests for Python as well as the modules test.support and test.regrtest. test.support is used to enhance your tests while test.regrtest …
unittest.mock — mock object library — Python 3.14.2 …
Dec 6, 2025 · unittest.mock is a library for testing in Python. It allows you to replace parts of your system under test with mock objects and make assertions about how they have been used.
Development Tools — Python 3.14.2 documentation
3 days ago · The doctest and unittest modules contains frameworks for writing unit tests that automatically exercise code and verify that the expected output is produced. The list of …
doctest — Test interactive Python examples — Python 3.14.2 …
3 days ago · To perform regression testing by verifying that interactive examples from a test file or a test object work as expected. To write tutorial documentation for a package, liberally …
5. Using Python on macOS — Python 3.14.2 documentation
This configuration allows a free-threaded Python 3.14 build to co-exist on your system with a traditional (GIL only) Python 3.14 build with minimal risk while installing or testing.
The Python Standard Library — Python 3.15.0a3 documentation
3 days ago · The library contains built-in modules (written in C) that provide access to system functionality such as file I/O that would otherwise be inaccessible to Python programmers, as …
Python Modulindex — Python 3.14.0 documentation
Python Modulindex _ | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | z
urllib.request --- Extensible library for opening URLs - Python
The legacy urllib.urlopen function from Python 2.6 and earlier has been discontinued; urllib.request.urlopen() corresponds to the old urllib2.urlopen. Proxy handling, which was done …