confu
Configuration file validation and generation
Decision gist · record as of 2026-08-14
Yes, if you need straightforward configuration validation and generation. The package is stable, permissively licensed, and has low install friction. However, dormancy since 2024-02-21 means no recent bug fixes or feature updates—suitable for stable, mature use cases but not for projects requiring active upstream support.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python >=3.8,<4.0; depends on the munge package at runtime.
- Installation is straightforward with low friction.
- The package is marked Production/Stable and supports Python 3.8 through 3.12, though it has been dormant since its last release on 2024-02-21.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
last release 2024-02-21 (905 days) · last repo commit 2024-05-21 · 1 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 93,501 downloads/mo, #13,380 on PyPI
Alternatives
Verify before relying
pip install confu
import confu
# Define and validate configuration using confu's schema framework- What specific configuration formats (YAML, JSON, TOML, etc.) does confu support?
- Are there breaking changes or migration notes for users upgrading from the old 'cfu' package name?
- What is the scope and API surface of the validation and generation framework?
What it is and what it does
Confu is a configuration validation and generation library for Python that lets you define schemas for configuration files and validate them against those schemas. It provides a framework for building structured configuration management into applications, handling both the validation of existing config files and the generation of new ones.
The package depends on munge for its core functionality and supports Python 3.8 through 3.12. It is marked as Production/Stable but has not received updates since 2024-02-21, so while it is mature and usable, active maintenance is limited. The library was recently renamed from 'cfu' to 'confu' on PyPI.
Use it for
- Validate application configuration files against a predefined schema before runtime.
- Generate template or default configuration files programmatically for new deployments.
- Enforce consistent configuration structure across multiple services or environments.
- Build a configuration layer into a tool or framework that accepts user-supplied config files.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need straightforward configuration validation and generation.
The package is stable, permissively licensed, and has low install friction. However, dormancy since 2024-02-21 means no recent bug fixes or feature updates—suitable for stable, mature use cases but not for projects requiring active upstream support.
Install
confu on PyPI
Before you install
Installation is straightforward with low friction. The package is marked Production/Stable and supports Python 3.8 through 3.12, though it has been dormant since its last release on 2024-02-21.
Requires Python >=3.8,<4.0; depends on the munge package at runtime.
License in practice
Licensed under Apache-2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
Quickstart
pip install confu
import confu
# Define and validate configuration using confu's schema frameworkVerify before relying
- What specific configuration formats (YAML, JSON, TOML, etc.) does confu support?
- Are there breaking changes or migration notes for users upgrading from the old 'cfu' package name?
- What is the scope and API surface of the validation and generation framework?
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.8,<4.0 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagemunge |
| Maintenance | Dormant 905 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 93,501 / month, #13,380 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/StableLicense :: OSI Approved :: Apache Software LicenseProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: confu-1.9.0-py3-none-any.whl
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See also sf-hamilton · snowflake-cli-labs · munge · cfgv · udtools · eido · FormEncode · pyang · trollsift