logfury
('Toolkit for responsible, low-boilerplate logging of library method calls',)
Decision gist · record as of 2026-08-14
No. While logfury is lightweight and has no runtime dependencies, it has been abandoned since 2021-10-23 with no maintenance. For new projects, consider actively maintained alternatives. For existing codebases already using it, the permissive BSD license and lack of vulnerabilities mean it is safe to keep, but do not adopt it for new work.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- The package uses an older metaclass pattern that may not align with modern Python conventions.
- Installation is straightforward with no runtime dependencies.
- However, the package has been abandoned since the last commit on 2021-10-23, so expect no maintenance, bug fixes, or compatibility improvements.
License · maintenance · safety
BSD (permissive) — BSD license is permissive, allowing use in both open-source and proprietary projects with minimal restrictions.
last release 2021-10-23 (1756 days) · last repo commit 2021-10-23 · 5 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 524,974 downloads/mo, #6,186 on PyPI
Alternatives
Verify before relying
pip install logfury
import logging
from logfury.v1 import DefaultTraceMeta
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
@six.add_metaclass(DefaultTraceMeta)
class MyClass:
def my_method(self, a, b):
return a + b- Whether the package works reliably with Python 3.10 given its abandonment status.
- Compatibility with async/await patterns or modern async libraries.
- Performance impact of metaclass-based tracing on large codebases or high-call-volume scenarios.
- Whether six is a runtime dependency despite not appearing in the deps list.
What it is and what it does
Logfury is a logging instrumentation library designed for Python library maintainers who want to trace method calls without writing repetitive logging code. It provides two main mechanisms: a DefaultTraceMeta metaclass that automatically logs calls to public methods in decorated classes, and a trace_call decorator for individual functions. Both log method entry with full argument values, and support filtering sensitive arguments or limiting what gets logged.
The library uses a versioned import scheme (e.g., `from logfury.v1 import ...`) to allow the maintainer to evolve the API and default behavior without breaking existing code—users choose when to adopt incompatible changes by updating their import version. It has no runtime dependencies and supports Python 3.5 through 3.10, though development stopped after 2021-10-23.
Use it for
- Add call tracing to a library's public API for debugging without modifying method bodies.
- Log function entry points with arguments in a decorator-based approach for specific functions.
- Hide sensitive arguments from trace logs using the limit_trace_arguments decorator.
- Inherit tracing behavior across class hierarchies to instrument entire object hierarchies automatically.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
No.
While logfury is lightweight and has no runtime dependencies, it has been abandoned since 2021-10-23 with no maintenance. For new projects, consider actively maintained alternatives. For existing codebases already using it, the permissive BSD license and lack of vulnerabilities mean it is safe to keep, but do not adopt it for new work.
Install
logfury on PyPI
Before you install
Installation is straightforward with no runtime dependencies. However, the package has been abandoned since the last commit on 2021-10-23, so expect no maintenance, bug fixes, or compatibility improvements.
The package uses an older metaclass pattern that may not align with modern Python conventions.
License in practice
BSD license is permissive, allowing use in both open-source and proprietary projects with minimal restrictions.
Quickstart
pip install logfury
import logging
from logfury.v1 import DefaultTraceMeta
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
@six.add_metaclass(DefaultTraceMeta)
class MyClass:
def my_method(self, a, b):
return a + bVerify before relying
- Whether the package works reliably with Python 3.10 given its abandonment status.
- Compatibility with async/await patterns or modern async libraries.
- Performance impact of metaclass-based tracing on large codebases or high-call-volume scenarios.
- Whether six is a runtime dependency despite not appearing in the deps list.
Package facts
| License | BSD permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Abandoned 1,756 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 524,974 / month, #6,186 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 6 - MatureIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.5Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Libraries :: Python ModulesTopic :: System :: Logging |
Evidence: logfury-1.0.1-py3-none-any.whl
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