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Tech riderRev. 20 Sept 2026

Needle

Ch 715.8of 78 Game Mod Managers
  1. 1Runs onLinux
  2. 2CostsNot stated by the maker
  3. 3Visual diff modesperceptual
  4. 4Cross-browser captureYes
3 lines stated Written from the maker's own pages: github.com
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Overview

Needle is ranked #71 of 78 in game mod managers on Specifiction. It runs on Linux.

Compared on game mod managers

Visual diff modes
perceptualgithub.com
Cross-browser capture
Yesgithub.com

Facts

Purpose
Needle tests CSS and website visuals by capturing page areas and comparing them with baseline screenshots.github.com · 5 Oct 2026
Additional checks
It also provides tools for testing calculated CSS values and HTML element positions.github.com · 5 Oct 2026
Integrations
Needle is designed to work with Selenium and nose.github.com · 5 Oct 2026
Installation
The documentation installs Needle with pip after installing Selenium.needle.readthedocs.io · 5 Oct 2026
Browser drivers
The documentation lists NeedleRemote, NeedlePhantomJS, NeedleFirefox, NeedleChrome, NeedleIe, NeedleOpera, and NeedleSafari drivers.needle.readthedocs.io · 5 Oct 2026
Default driver
The documentation says Needle uses NeedleFirefox by default.needle.readthedocs.io · 5 Oct 2026
Image engines
The default screenshot engine is PIL, with PerceptualDiff and ImageMagick also available.needle.readthedocs.io · 5 Oct 2026
Difference output
The documentation says PerceptualDiff and ImageMagick generate a diff PNG when a test fails.needle.readthedocs.io · 5 Oct 2026
Viewport
Tests can set browser viewport dimensions, which the documentation describes as useful for responsive-site testing.needle.readthedocs.io · 5 Oct 2026
Cleanup
Screenshot cleanup after successful tests is optional and disabled by default.needle.readthedocs.io · 5 Oct 2026
Intended users
The package metadata classifies Needle for developers and as a Python testing library.github.com · 5 Oct 2026
License
The repository includes a BSD license.github.com · 5 Oct 2026
Security
GitHub reports that the project has no SECURITY.md policy and no published security advisories.github.com · 5 Oct 2026
Release
PyPI lists version 0.5.0, released April 2, 2017, as the latest release.pypi.org · 5 Oct 2026

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Where it ranks on Specifiction

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Sources