LangChain Python Tutorial: 2026’s Complete Guide

If you’ve read the blog post How to Build Chatbots With LangChain, you may want to know more about LangChain. This blog post will dive deeper into what LangChain offers and guide you through a few more real-world use cases.

greenlet - 3.2.5

Модуль для легковесных потоков в Python. Скачать можно по ссылке: https://pypi.python.org/pypi/greenlet/

pylint - 4.0.5

Статический анализатор Python-кода. Скачать можно по ссылке: https://pypi.python.org/pypi/pylint/

oxyde: Type-Safe, Pydantic-Centric Async ORM

Werkzeug - 3.1.6

Швейцарский армейский нож веб-разработки Python. Скачать можно по ссылке: https://pypi.python.org/pypi/Werkzeug/

silkworm-rs: Free-Threaded Compatible Async Web Scraper

5 Essential Itertools for Data Science

Learn 5 essential itertools methods to eliminate manual feature engineering waste. Replace nested loops with systematic functions for interactions, polynomial features, and categorical combinations.

virtualenv - 20.38.0

Инструмент создания виртуального рабочего окружения. Скачать можно по ссылке: https://pypi.python.org/pypi/virtualenv

Flask - 3.1.3

Web-фреймворк на основе Werkzeug, Jinja2 и благих намерениях. Скачать можно по ссылке: https://pypi.python.org/pypi/Flask/

Vector Search with FAISS: Approximate Nearest Neighbor (ANN) Explained

The Real Python Podcast – Episode #284: Running Local LLMs With Ollama and Connecting With Python

Would you like to learn how to work with LLMs locally on your own computer? How do you integrate your Python projects with a local model? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects.

django-bolt - Rust-powered API Framework for Django

Youtube video

redis - 7.2.0

Python клиент для Redis. Скачать можно по ссылке: https://pypi.python.org/pypi/redis/

icu4py - bindings to the Unicode ICU library

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PyTV - Free Online Python Conference (March 4th)

1 Day, 15 Speakers, 6 hours of live talks including from Sarah Boyce, Sheena O'Connell, Carlton Gibson, and Will Vincent. Sign up and save the date!

loki-mode - Multi-agent provider agnostic framework

inline-snapshot - Building a Robust Classifier with Stacked Generalization

ScrapeGraph - Natural Language Web Scraping

Web scraping without selector maintenance. ScrapeGraphAI uses LLMs to extract data from any site using plain English prompts and Pydantic schemas.

Sorting Strategies for Optional Fields in Django

How to control NULL value placement when sorting Django QuerySets using F() expressions.

Text Classification With Python 3.14’s zstd Module

There is commonality between text classifiers and compression and there are algorithms out there to do one with the other, but it requires an incremental compressor. Python 3.14 added zstd which supports this feature, allowing Max to take a stab at doing ML with a compressor.