Source code: Lib/lzma.py This module provides classes and convenience functions for compressing and decompressing data using the LZMA compression algorithm. Also included is a file interface suppor...| Python documentation
Source code: Lib/compression/zstd/__init__.py This module provides classes and functions for compressing and decompressing data using the Zstandard (or zstd) compression algorithm. The zstd manual ...| Python documentation
Source code: Lib/bz2.py This module provides a comprehensive interface for compressing and decompressing data using the bzip2 compression algorithm. The bz2 module contains: The open() function and...| Python documentation
Perhaps one of the most important structures of the Python object system is the structure that defines a new type: the PyTypeObject structure. Type objects can be handled using any of the PyObject_...| Python documentation
Understand Python's with statement and context managers to streamline the setup and teardown phases in resource management. Start writing safer code today!| realpython.com
Source code: Lib/fileinput.py This module implements a helper class and functions to quickly write a loop over standard input or a list of files. If you just want to read or write one file see open...| Python documentation
Interactive Mode: There are two variants of the interactive REPL. The classic basic interpreter is supported on all platforms with minimal line control capabilities. On Windows, or Unix-like system...| Python documentation
In Python, all exceptions must be instances of a class that derives from BaseException. In a try statement with an except clause that mentions a particular class, that clause also handles any excep...| Python documentation
Source code: Lib/zipfile/ The ZIP file format is a common archive and compression standard. This module provides tools to create, read, write, append, and list a ZIP file. Any advanced use of this ...| Python documentation
Cloudflare Workers now support FinalizationRegistry, but just because you can use it doesn’t mean you should. Dive into the tricky world of JavaScript and WebAssembly memory management and see why newer features make life a lot easier.| The Cloudflare Blog
Creating Heap-Allocated Types: The following functions and structs are used to create heap types.| Python documentation
Model citizens use context managers to open and close file resources in Python, but have you ever wondered why it's important to close files? In this tutorial, you'll take a deep dive into the reasons why it's important to close files and what can happen if you don't.| realpython.com
Python is one of the most widely adopted programming languages in the world. Yet, because of it’s ease and simplicity to just “get something working”, it’s also one of the most underappreciated. If you search for Top 10 Advanced Python Tricks on Google or any other search engine, you’ll find tons of blogs or LinkedIn articles going over trivial (but still useful) things like generators or tuples. However, as someone who’s written Python for the past 12 years, I’ve come across a ...| Edward Li's Blog
Source code: Lib/shelve.py A “shelf” is a persistent, dictionary-like object. The difference with “dbm” databases is that the values (not the keys!) in a shelf can be essentially arbitrary Python o...| Python documentation
In this tutorial, you'll learn how to create and use full-featured classes in your Python code. Classes provide a great way to solve complex programming problems by approaching them through models that represent real-world objects.| realpython.com
In this step-by-step tutorial, you'll learn what scopes are, how they work, and how to use them effectively to avoid name collisions in your code. Additionally, you'll learn how to take advantage of a Python scope to write more maintainable and less buggy code.| realpython.com
In this tutorial, you'll learn all about the Python for loop. You'll learn how to use this loop to iterate over built-in data types, such as lists, tuples, strings, and dictionaries. You'll also explore some Pythonic looping techniques and much more.| realpython.com
This section outlines high-level asyncio APIs to work with coroutines and Tasks. Coroutines, Awaitables, Creating Tasks, Task Cancellation, Task Groups, Sleeping, Running Tasks Concurrently, Eager ...| Python documentation
Source code: Lib/importlib/__init__.py Introduction: The purpose of the importlib package is three-fold. One is to provide the implementation of the import statement (and thus, by extension, the__i...| Python documentation
Author, Guido van Rossum,. This article explains the new features in Python 3.0, compared to 2.6. Python 3.0, also known as “Python 3000” or “Py3K”, is the first ever intentionally backwards incomp...| Python documentation
Source code: Lib/asyncio/streams.py Streams are high-level async/await-ready primitives to work with network connections. Streams allow sending and receiving data without using callbacks or low-lev...| Python documentation
Source code: Lib/asyncio/locks.py asyncio synchronization primitives are designed to be similar to those of the threading module with two important caveats: asyncio primitives are not thread-safe, ...| Python documentation
Source code: Lib/asyncio/runners.py This section outlines high-level asyncio primitives to run asyncio code. They are built on top of an event loop with the aim to simplify async code usage for com...| Python documentation
Source code: Lib/inspect.py The inspect module provides several useful functions to help get information about live objects such as modules, classes, methods, functions, tracebacks, frame objects, ...| Python documentation
Until now error messages haven’t been more than mentioned, but if you have tried out the examples you have probably seen some. There are (at least) two distinguishable kinds of errors: syntax error...| Python documentation
Structure of a program: A Python program is constructed from code blocks. A block is a piece of Python program text that is executed as a unit. The following are blocks: a module, a function body, ...| Python documentation
This module provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter. It is always available. Unless explicitly noted oth...| Python documentation
Invoking the Interpreter: The Python interpreter is usually installed as/usr/local/bin/python3.13 on those machines where it is available; putting/usr/local/bin in your Unix shell’s search path mak...| Python documentation
Source code: Lib/typing.py This module provides runtime support for type hints. Consider the function below: The function surface_area_of_cube takes an argument expected to be an instance of float,...| Python documentation
>>>, The default Python prompt of the interactive shell. Often seen for code examples which can be executed interactively in the interpreter.,,..., Can refer to:- The default Python prompt of the i...| Python documentation
Editor, Adam Turner,. This article explains the new features in Python 3.12, compared to 3.11. Python 3.12 was released on October 2, 2023. For full details, see the changelog. Summary – Release hi...| Python documentation
Source code: Lib/contextlib.py This module provides utilities for common tasks involving the with statement. For more information see also Context Manager Types and With Statement Context Managers....| Python documentation
Today we’re excited to announce the release of TypeScript 5.2! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and describe types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like […]| TypeScript
An overview of different resource management models| Tamir Bahar
This chapter explains the meaning of the elements of expressions in Python. Syntax Notes: In this and the following chapters, extended BNF notation will be used to describe syntax, not lexical anal...| Python documentation
Today we are excited to announce the availability of TypeScript 5.2 Beta. To get started using the beta, you can get it through NuGet, or through npm with the following command: npm install -D typescript@beta Here’s a quick list of what’s new in TypeScript 5.2! using Declarations and Explicit Resource Management Decorator Metadata Named and […]| TypeScript
Story time When I go on vacation with a fellow Python developer, inevitably I will talk about Python. 😁 Back in September, Andrea and I drove the Cabot Trail with our friends Dusty and Jen, which led to a discussion about the match statement and how Dusty and I both wished| Tall, Snarky Canadian
A tutorial on Python’s advanced data unpacking features: How to unpack data with the “=” operator and for-loops.| dbader.org
This chapter describes some things you’ve learned about already in more detail, and adds some new things as well. More on Lists: The list data type has some more methods. Here are all of the method...| Python documentation
July 15, 2020| lwn.net
The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order.,,,, Built-in Functions,,, A, abs(), aiter(), all(), a...| Python documentation
Objects, values and types: Objects are Python’s abstraction for data. All data in a Python program is represented by objects or by relations between objects. (In a sense, and in conformance to Von ...| Python documentation
Source code: Lib/pdb.py The module pdb defines an interactive source code debugger for Python programs. It supports setting (conditional) breakpoints and single stepping at the source line level, i...| Python documentation
Editor, Pablo Galindo Salgado,. This article explains the new features in Python 3.11, compared to 3.10. Python 3.11 was released on October 24, 2022. For full details, see the changelog. Summary –...| Python documentation
