概要 — Python 3.4.1 ドキュメント
Python 3.12.4 documentation Welcome! This is the official documentation for Python 3.12.4. Documentation sections: What's new in Python 3.12? Or all "What's new" documents since Python 2.0 Tutorial Start here: a tour of Python's syntax and features Library reference Standard library and builtins Language reference Syntax and language elements Python setup and usage How to install, configure, and u
26.1. typing --- 型ヒントのサポート — Python 3.6.6 ドキュメント
Note The Python runtime does not enforce function and variable type annotations. They can be used by third party tools such as type checkers, IDEs, linters, etc. This module provides runtime support for type hints. Consider the function below: def moon_weight(earth_weight: float) -> str: return f'On the moon, you would weigh {earth_weight * 0.166} kilograms.' The function moon_weight takes an argu
asyncio — Asynchronous I/O
import asyncio async def main(): print('Hello ...') await asyncio.sleep(1) print('... World!') asyncio.run(main()) asyncio is a library to write concurrent code using the async/await syntax. asyncio is used as a foundation for multiple Python asynchronous frameworks that provide high-performance network and web-servers, database connection libraries, distributed task queues, etc. asyncio is often
26.4. The Python Profilers — Python 2.7.18 documentation
This document is for an old version of Python that is no longer supported. You should upgrade and read the Python documentation for the current stable release. 26.4.1. Introduction to the profilers¶ cProfile and profile provide deterministic profiling of Python programs. A profile is a set of statistics that describes how often and for how long various parts of the program executed. These statisti
25.4. 2to3 - Automated Python 2 to 3 code translation — Python 2.7.18 documentation
This document is for an old version of Python that is no longer supported. You should upgrade and read the Python documentation for the current stable release. 25.4. 2to3 - Automated Python 2 to 3 code translation¶ 2to3 is a Python program that reads Python 2.x source code and applies a series of fixers to transform it into valid Python 3.x code. The standard library contains a rich set of fixers
9. Classes — Python 2.7.18 documentation
This document is for an old version of Python that is no longer supported. You should upgrade and read the Python documentation for the current stable release. 9. Classes¶ Compared with other programming languages, Python’s class mechanism adds classes with a minimum of new syntax and semantics. It is a mixture of the class mechanisms found in C++ and Modula-3. Python classes provide all the stand
2. Writing the Setup Script
Note This document is being retained solely until the setuptools documentation at https://setuptools.readthedocs.io/en/latest/setuptools.html independently covers all of the relevant information currently included here. The setup script is the centre of all activity in building, distributing, and installing modules using the Distutils. The main purpose of the setup script is to describe your modul
Download — Python 3.12.4 documentation
These archives contain all the content in the documentation. Unpacking Unix users should download the .tar.bz2 archives; these are bzipped tar archives and can be handled in the usual way using tar and the bzip2 program. The Info-ZIP unzip program can be used to handle the ZIP archives if desired. The .tar.bz2 archives provide the best compression and fastest download times. Windows users can use
subprocess — Subprocess management
Availability: not Emscripten, not WASI. This module does not work or is not available on WebAssembly platforms wasm32-emscripten and wasm32-wasi. See WebAssembly platforms for more information. Using the subprocess Module¶ The recommended approach to invoking subprocesses is to use the run() function for all use cases it can handle. For more advanced use cases, the underlying Popen interface can b
unittest — Unit testing framework
unittest — Unit testing framework¶ Source code: Lib/unittest/__init__.py (If you are already familiar with the basic concepts of testing, you might want to skip to the list of assert methods.) The unittest unit testing framework was originally inspired by JUnit and has a similar flavor as major unit testing frameworks in other languages. It supports test automation, sharing of setup and shutdown c
unittest.mock — mock object library — Python 3.7.1 documentation
Source code: Lib/unittest/mock.py 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. unittest.mock provides a core Mock class removing the need to create a host of stubs throughout your test suite. After performing an action, you can make assertions about which methods / att
re — Regular expression operations — Python 3.7.1rc2 documentation
re — Regular expression operations¶ Source code: Lib/re/ This module provides regular expression matching operations similar to those found in Perl. Both patterns and strings to be searched can be Unicode strings (str) as well as 8-bit strings (bytes). However, Unicode strings and 8-bit strings cannot be mixed: that is, you cannot match a Unicode string with a bytes pattern or vice-versa; similarl
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4. Execution model — Python 2.7.18 documentation
asyncore — Asynchronous socket handler
Library and Extension FAQ — Python v2.7 documentation