plux
A dynamic code loading framework for building pluggable Python distributions
Decision gist · record as of 2026-08-14
Yes. Plux is production-stable, actively maintained, has zero known vulnerabilities, and solves a real problem for applications needing modular plugin architectures. The low install friction, permissive license, and support for modern Python versions (3.10–3.13) make it a safe choice. Install it if you're building an extensible application or framework where plugins should be discovered and loaded dynamically.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low install friction with a pure-Python wheel and no runtime dependencies.
- Active maintenance with recent releases; last commit 2026-07-06 and production-stable classifier indicate ongoing support.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial and proprietary use with minimal restrictions, making it suitable for closed-source projects.
last release 2026-03-31 (136 days) · last repo commit 2026-07-06 · 76 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 893,389 downloads/mo, #4,797 on PyPI
Alternatives
Verify before relying
pip install plux
from plux import Plugin, PluginManager
class MyPlugin(Plugin):
namespace = "my.plugins"
name = "example"
def load(self): pass
manager = PluginManager("my.plugins")
plugins = manager.load_all()- Whether the build-hooks mode works seamlessly with modern build backends beyond setuptools (e.g., poetry, flit).
- Performance characteristics when managing large numbers of plugins or deeply nested namespaces.
- Compatibility with Python 3.13 in practice (classifier present but no explicit test evidence in fact sheet).
What it is and what it does
Plux wraps Python's entry point mechanism to provide a higher-level plugin architecture. It discovers plugins at build time by scanning your codebase for Plugin classes and PluginSpec instances, automatically generating entry points without manual setup.py declarations. At runtime, a PluginManager loads plugins on demand, tracking their lifecycle through three states: resolved (entry point imported), init (factory invoked), and loaded (plugin's load method called). If a plugin fails at any stage, the manager logs the failure but continues operating.
The framework supports two discovery modes: build-hooks (default, integrated with setuptools) and manual mode (for isolated build environments). Plugins can be defined as classes, factories, or decorated functions. This design is particularly useful for large applications like LocalStack that need modular, dynamically-loaded components without hardcoding plugin lists.
Use it for
- Building CLI applications where subcommands are provided by separate plugin packages discovered at startup.
- Creating microservice architectures where service implementations are loaded dynamically based on configuration.
- Developing extensible frameworks where third-party developers can contribute plugins without modifying core code.
- Packaging applications with optional feature modules that load only when their dependencies are available.
- Automating entry point generation in complex projects to avoid manual synchronization between code and setup metadata.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
Plux is production-stable, actively maintained, has zero known vulnerabilities, and solves a real problem for applications needing modular plugin architectures. The low install friction, permissive license, and support for modern Python versions (3.10–3.13) make it a safe choice. Install it if you're building an extensible application or framework where plugins should be discovered and loaded dynamically.
Install
plux on PyPI
Before you install
Low install friction with a pure-Python wheel and no runtime dependencies. Active maintenance with recent releases; last commit 2026-07-06 and production-stable classifier indicate ongoing support.
Requires Python 3.10 or later.
License in practice
Apache-2.0 permissive license allows commercial and proprietary use with minimal restrictions, making it suitable for closed-source projects.
Quickstart
pip install plux
from plux import Plugin, PluginManager
class MyPlugin(Plugin):
namespace = "my.plugins"
name = "example"
def load(self): pass
manager = PluginManager("my.plugins")
plugins = manager.load_all()Verify before relying
- Whether the build-hooks mode works seamlessly with modern build backends beyond setuptools (e.g., poetry, flit).
- Performance characteristics when managing large numbers of plugins or deeply nested namespaces.
- Compatibility with Python 3.13 in practice (classifier present but no explicit test evidence in fact sheet).
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 136 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 893,389 / month, #4,797 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Topic :: Software Development :: LibrariesTopic :: Utilities |
Evidence: plux-1.16.0-py3-none-any.whl
Tags
Let your AI agent find packages like this
Example. Real query, live index.
You found this page by searching. An agent finds it by wishing: SkillFed indexes 14,416 PyPI packages by what they can do, searchable in plain language.
wish › “entry point discovery”
- pluxPlux is a dynamic plugin loading framework built on Python's entry…
- entrypointsDiscovers and loads entry points from installed Python packages,…
- stevedoreStevedore manages dynamic plugin loading for Python applications by…
Give your agent the search over MCP, or paste the wish link into any chat.
More Libraries packages
urllib3 is an HTTP client library that provides thread-safe connection pooling, SSL/TLS verification, multipart file uploads, request retries, compression support, and proxy handling for Python applications.
Requests is a Python HTTP library that simplifies sending HTTP/1.1 requests with automatic handling of headers, authentication, cookies, and response parsing.
Pluggy provides a plugin system that lets you define hook specifications and register implementations to be called in sequence, enabling extensible Python applications without tight coupling.
Install it if you're building an extensible application or framework.
Provides parsing, arithmetic, and recurrence rule computation for dates and times, with timezone support and iCalendar RFC compliance.
Install it if you need to parse flexible date strings, compute relative dates, handle timezones, or work with recurrence rules—it's the de facto choice for these tasks.
Six provides utility functions to write Python code that runs on both Python 2.7 and Python 3.3+, smoothing over language differences between the two versions.
pytest is a testing framework that lets you write test functions using plain assert statements and automatically discovers and runs them, with detailed failure reporting.
See also entrypoints · stevedore · pluginlib · lml · pyproject-hooks · napari-plugin-engine · hatch-polylith-bricks · cliff · click-plugins · hatch_build_scripts