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Packages starting with 'S'

1,170 packages · page 29 of 30

Packages

sv-ttk With conditions
PyPI · User Interfaces · released Jun 2025

Applies a modern, Windows 11-inspired visual theme to Tkinter ttk widgets with a single function call, supporting both dark and light modes.

Install it if you need a ttk theme; skip it if you require custom widget styling beyond what a theme provides.

MITpure Python · 3.9+aging
77.3Kdownloads / mo
svcs Worth it
PyPI · Application Frameworks · released Jul 2026

svcs is a dependency container that registers factories for types and provides automatic cleanup and health checks when acquiring service instances in Python applications.

MITpure Python · 3.10+
7.4Mdownloads / mo
svg.path Worth it
PyPI · Graphics · released Jul 2026

Parses SVG path definitions and provides objects to manipulate path segments (lines, arcs, cubic and quadratic Bézier curves) with methods to calculate length, find points along paths, and generate SVG path strings.

Install it if you work with SVG data or need to perform geometric calculations on path segments.

MITpure Python · 3.8+
2.7Mdownloads / mo
svg.py With conditions
PyPI · Software Development · released Dec 2025

Generates SVG files programmatically in Python using a type-safe API that mirrors the SVG standard structure, with no external runtime dependencies.

However, verify that your target SVG features are already implemented, since the last release was 229 days ago and there is no recent development activity.

MITpure Python · 3.7+aging
93.9Kdownloads / mo
svgelements With conditions
PyPI · Python Modules · released Aug 2023

svgelements parses SVG files and provides geometric objects (Path, Matrix, Color, Point, etc.) that conform to the SVG specification, enabling robust manipulation of SVG data as geometric structures.

However, it is dormant—last release was 2023-08-17—so expect no active maintenance.

MITpure Pythondormant
956.9Kdownloads / mo
svglib Worth it
PyPI · Python Modules · released Aug 2026

Svglib reads SVG files and converts them to ReportLab Drawing objects, which can then be rendered to PDF, bitmap, or other formats supported by ReportLab.

LGPL-3.0-or-laterpure Python · 3.9+
5.9Mdownloads / mo
svgpathtools With conditions
PyPI · Scientific/Engineering · released Nov 2025

Reads, writes, and analyzes SVG Path objects and Bézier curves, providing geometric tools to transform, intersect, and measure path elements.

MITpure Python · 3.8+aging
828.5Kdownloads / mo
svgutils With conditions
PyPI · Markup · released Feb 2021

svgutils lets you programmatically edit, scale, position, and concatenate SVG files, with support for adding labels and markers to figures.

However, be aware that the latest release is from 2021 and Python version support is unclear—test it with your target Python version before relying on it in…

MITpure Python
85.2Kdownloads / mo
svgwrite With conditions
PyPI · Python Modules · released Jul 2022

Creates SVG drawings programmatically by building XML elements and writing them to files.

MITpure Python · 3.6+abandoned
2.4Mdownloads / mo
svix Worth it
PyPI · Software Development · released Jul 2026

Svix is a Python client library for the Svix webhook service API, providing both synchronous and asynchronous interfaces to manage webhooks and verify webhook signatures.

MITpure Python · 3.9+
10.1Mdownloads / mo
svix-ksuid Worth it
PyPI · Utilities · released Mar 2026

Generates and parses KSUIDs (K-sorted unique identifiers) that combine a timestamp with random data, allowing approximate chronological ordering by creation time.

Install it if you need sortable IDs with embedded timestamps; skip it if standard UUIDs or database-generated sequences already fit your use case.

MITpure Python · 3.10+
269.9Kdownloads / mo
svn With conditions
PyPI · Software Development · released Feb 2020

Wraps the Subversion command-line client to provide Python access to local working copies and remote repositories, supporting operations like checkout, commit, log, diff, and repository administration.

The GPL 2 copyleft license requires careful review if you plan to distribute your code.

copyleftbuilds from sourcedormant
155.4Kdownloads / mo
svql With conditions
PyPI · Build Tools · released Mar 2025

Parses SystemVerilog modules and exposes their parameters, ports, and connections as SQL-queryable DataFrames for analysis and extraction.

However, the aging maintenance status means you should verify that pyslang handles your specific SystemVerilog dialect and features before committing to it in a…

permissive licensepure Python · 3.6+aging
76.9Kdownloads / mo
svs4onnx Skip
PyPI · Artificial Intelligence · released Sep 2022

Swaps connections between output and input variables in ONNX model graphs, allowing you to redirect one node's output to feed into a different node's input.

permissive licensepure Python · 3.6+abandoned
82.5Kdownloads / mo
swagger-plugin-for-sphinx Worth it
PyPI · Documentation · released Jun 2026

A Sphinx plugin that embeds interactive Swagger UI pages into documentation to render OpenAPI specifications with customizable configuration and optional local resource mirroring.

Install it if you use Sphinx and need to include OpenAPI specifications in your documentation.

Apache-2.0pure Python
3.8Mdownloads / mo
swagger-spec-validator Worth it
PyPI · Python Modules · released Jun 2024

Validates Swagger/OpenAPI specifications (versions 1.2 and 2.0) against their official schema to ensure full compliance with the Swagger specification.

Install it if you work with Swagger 1.2 or 2.0 specs and need programmatic validation.

permissive licensepure Python · 3.8+
809.7Kdownloads / mo
swagger-ui-bundle With conditions
PyPI · Software Development · released Nov 2023

Packages Swagger UI's static files and templates as a Python distribution, allowing web frameworks to serve interactive API documentation without bundling the files separately.

Apache-2.0pure Python · 3.7+aging
3.5Mdownloads / mo
swagger-ui-py With conditions
PyPI · Dynamic Content · released Jul 2025

Integrates Swagger UI documentation into Python web frameworks (Flask, Tornado, Sanic, aiohttp, Quart, Starlette, Falcon, Bottle, Chalice) to serve interactive API documentation from OpenAPI/Swagger specifications.

permissive licensepure Python · 3.0.0+aging
146.7Kdownloads / mo
swapper Worth it
PyPI · Application Frameworks · released Aug 2024

Swapper provides an API for Django's undocumented swappable models feature, allowing library authors to make their app's models replaceable by end users without requiring abstract base classes or concrete model constraints.

Install it if you are authoring a reusable Django package that needs model extensibility; skip it if you are building a single application.

MITpure Python
522.8Kdownloads / mo
swe-rex With conditions
PyPI · Artificial Intelligence · released Aug 2025

SWE-ReX provides a runtime interface for AI agents to execute shell commands in sandboxed environments—local, Docker, AWS, or Modal—with a unified API that abstracts away infrastructure details.

MITpure Python · 3.10+
3.2Mdownloads / mo
swebench With conditions
PyPI · Artificial Intelligence · released Sep 2025

SWE-bench is a benchmark framework for evaluating language models on real-world GitHub issues by having them generate patches that resolve described problems in actual codebases.

Install only if you have or can access Docker and sufficient compute resources; the package itself installs easily, but meaningful evaluation requires significant…

MITpure Python · 3.10+
29.3Mdownloads / mo
sweeps Worth it
PyPI · Python Modules · released Aug 2022

Generates hyperparameter sweep suggestions using Bayesian optimization, grid search, and other methods, and identifies runs to early-terminate based on performance.

Install it if you need programmatic hyperparameter optimization or are integrating with Weights & Biases sweeps locally.

MITpure Python · 3.6+
103.1Kdownloads / mo
sweetviz Worth it
PyPI · Python Modules · released Apr 2026

Sweetviz generates interactive HTML visualizations for exploratory data analysis (EDA) in two lines of code, supporting target analysis, dataset comparison, and correlation detection across numerical, categorical, and mixed-type features.

Install it if you work regularly with pandas dataframes and want to reduce boilerplate visualization code; skip it if you need fine-grained control over plot…

MITpure Python · 3.7+
207.3Kdownloads / mo
swesmith With conditions
PyPI · Artificial Intelligence · released Feb 2026

SWE-smith generates large-scale software engineering training datasets by synthesizing task instances from GitHub repositories and managing their execution environments via Docker.

MITpure Python · 3.10+
5.0Mdownloads / mo
swifter With conditions
PyPI · Information Analysis · released Jul 2023

Swifter applies functions to DataFrames and Series using automatic vectorization or parallel processing to speed up operations beyond standard apply.

However, proceed with caution: maintenance is dormant (last release 2023-07-31), license status is unclear, and Python version support is unspecified.

license unclearbuilds from sourcedormant
10.3Mdownloads / mo
swig With conditions
PyPI · Build Tools · released Dec 2025

Provides SWIG as a PyPI-installable package, enabling you to generate language bindings between C/C++ code and Python without requiring a separate system installation.

GPL-3.0-or-latercompiled wheel
1.7Mdownloads / mo
swiglpk With conditions
PyPI · Software Development · released Feb 2026

swiglpk provides direct Python bindings to the GNU Linear Programming Kit (GLPK) C library, enabling you to formulate and solve linear and mixed-integer optimization problems from Python code.

However, if you want a Pythonic API for formulating optimization problems, use optlang or another high-level wrapper instead; swiglpk is intentionally low-level and…

GPL-3.0-onlycompiled wheel
89.9Kdownloads / mo
swimlane With conditions
PyPI · WWW/HTTP · released May 2026

Swimlane is a Python driver for the Swimlane API that enables programmatic interaction with Swimlane 10.x workflow and case management systems.

However, the AGPLv3 license requires careful consideration in proprietary environments—verify that your use case is compatible with copyleft obligations before…

AGPL-3.0-onlypure Python · 3.6+
90.5Kdownloads / mo
switchbot-api Worth it
PyPI · Internet · released Aug 2026

An async Python library for controlling SwitchBot devices and remotes through the official SwitchBot API, handling authentication and command execution.

Install it if you're building SwitchBot automation.

MITpure Python
73.4Kdownloads / mo
sxtwl With conditions
PyPI · Utilities · released Sep 2024

Converts between solar (Gregorian) and lunar calendars, computes heavenly stems and earthly branches (干支), identifies solar terms (节气), and retrieves calendar metadata like zodiac signs and day-of-week information.

However, it is dormant—the last release was 2024-09-05 and the repository shows no recent commits—so do not expect bug fixes or new features.

permissive licensecompiled wheeldormant
156.2Kdownloads / mo
sybil Worth it
PyPI · Testing · released Jun 2026

Sybil parses and executes code examples embedded in your source code and documentation as part of your normal test suite, validating that documented examples actually work.

MITpure Python · 3.11+
572.3Kdownloads / mo
sybil-extras Worth it
PyPI · Testing · released Jul 2026

Provides specialized evaluators and parsers that extend Sybil, a documentation testing tool, enabling multi-evaluator chains, shell command execution, code block accumulation, and custom skip directives for testing code examples in documentation.

Install it if you use Sybil and need shell command execution, multi-evaluator chains, or thread-safe concurrent testing.

MITpure Python · 3.11+
186.5Kdownloads / mo
syllapy Worth it
PyPI · Linguistic · released Aug 2026

Counts syllables in English words, returning an integer for a given word string.

Install it if you need syllable counts in English text; the low friction and clear API make it practical for linguistic or readability analysis.

MITpure Python · 3.10+
1.2Mdownloads / mo
symengine With conditions
PyPI · Scientific/Engineering · released Apr 2025

Python wrappers for SymEngine, a fast C++ symbolic manipulation library, enabling symbolic computation and algebraic operations in Python.

MITcompiled wheel
506.4Kdownloads / mo
symfc With conditions
PyPI · Scientific/Engineering · released Jun 2026

Symfc computes force constants from atomic displacement-force datasets in crystal supercells while enforcing required symmetry constraints that raw calculations often violate.

license unclearpure Python · 3.10+
210.2Kdownloads / mo
sympy Worth it
PyPI · Scientific/Engineering · released Apr 2025

SymPy is a Python library for symbolic mathematics, performing algebraic manipulation, calculus, equation solving, and mathematical expression simplification without numerical approximation.

BSD-3-Clausepure Python · 3.9+
196.4Mdownloads / mo
symspellpy Worth it
PyPI · Linguistic · released Jul 2026

symspellpy is a Python port of SymSpell v6.7.2 that performs fast spell checking and word segmentation with low memory overhead, using an optimized distance comparison algorithm.

MITpure Python · 3.10+
518.4Kdownloads / mo
symusic With conditions
PyPI · Sound/Audio · released Apr 2026

symusic parses and transforms MIDI and ABC files at note level with C++20-backed speed, exposing vectorized operations like pitch/velocity/time shifts and audio rendering through SoundFonts.

MITcompiled wheel · 3.9+
99.5Kdownloads / mo
synapse-s3-storage-provider Worth it
PyPI · Internet · released May 2026

A Synapse media storage provider that integrates Amazon S3 (or S3-compatible services) as a backend for storing and retrieving media files.

Install it if you run Synapse and want S3-backed media storage; skip it if you use local disk storage or a different homeserver.

Apache-2.0pure Python
137.9Kdownloads / mo
synapseml With conditions
PyPI · Libraries · released Apr 2026

SynapseML is a distributed machine learning library built on Apache Spark that provides APIs for text analytics, computer vision, anomaly detection, and other ML tasks, designed to scale across single-node and multi-node clusters.

MITpure Python
1.8Mdownloads / mo