Links tagged “python”

just-taking-a-ride.com

An animated explanation of how CPython's dict works, built up from linear search through hash tables and linear probing, running on data you type in.

dramatiq.io

Documentation for Dramatiq, a Python background task library where decorated functions become actors dispatched to workers over RabbitMQ or Redis.

github.com

A pure-Python consistent hashing ring, ketama-compatible, with per-node weights and pluggable hash functions.

nteract.io

Desktop application for opening and running Jupyter notebooks directly, without a browser or a notebook server.

agate.readthedocs.io

Python data analysis library optimised for readability rather than speed, offered as an alternative to numpy and pandas for everyday data work.

csvkit.readthedocs.io

Suite of command-line tools for converting other tabular formats to CSV and for slicing, joining and querying CSV files.

weasyprint.org

Python library that renders HTML and CSS to PDF, aimed at generating reports, invoices and tickets from web content.

vorpus.org

Argues that go statements wreck control flow the way goto did, and proposes the nursery — a scope that cannot exit until its child tasks have finished.

vorpus.org

Compares curio's async/await-native design against asyncio's callback hybrid, arguing the former preserves causality and simplifies cancellation, timeouts and cleanup.

spapas.github.io

Curated list of Django add-ons, split between packages the author uses in every project and ones pulled in only for specific needs.

pgcli.com

Command-line client for Postgres with autocompletion and syntax highlighting.

bpython-interpreter.org

Interactive Python interpreter with inline syntax highlighting, autocompletion, parameter hints and a rewind command.

geoalchemy-2.readthedocs.io

Documentation for GeoAlchemy 2, SQLAlchemy extensions for working with spatial databases, with primary support for PostGIS.

harishnarayanan.org

Guide to containerising a Django application with Docker and running it on Kubernetes for scale and resilience.

pawelmhm.github.io

Benchmarks python-aiohttp making up to a million HTTP requests, with asyncio client code and a comparison against synchronous alternatives.

peterbe.com

Benchmarks several ways to remove duplicates from a Python list, and finds list(dict.fromkeys(seq)) fastest when insertion order must be preserved.

importlib-resources.readthedocs.io

Documentation for importlib_resources, the Python library for reading data files bundled inside packages, meant to replace pkg_resources.

gaffer.readthedocs.io

Documentation for Gaffer, a Python tool that launches, supervises and controls applications and jobs across machines through an HTTP API.

b-list.org

Why usernames are harder than a unique column — case folding, Unicode normalisation, homograph attacks, reserved names, and the tripartite identity pattern.

github.com

Short guide to the Python 3 features that make the migration worthwhile for data scientists — matrix multiplication operator, pathlib, type hints, f-strings and unicode.