logging-tree
Introspect and display the logger tree inside "logging"
Decision gist · record as of 2026-08-14
Yes. This is a low-friction, zero-dependency diagnostic tool for a common pain point (understanding logging configuration). It is stable, permissive-licensed, and works across a wide range of Python versions. Install it if you regularly debug logging setups or inherit complex applications; skip it if you never need to inspect logging state at runtime.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction: pure Python wheel with no runtime dependencies.
- Maintenance is dormant (833 days since last release) but the package is marked Mature and the repository remains active with 333 stars; suitable for stable introspection use.
License · maintenance · safety
permissive license (permissive) — Permissive license (BSD) with no restrictions on commercial or private use.
last release 2024-05-03 (833 days) · last repo commit 2024-05-05 · 333 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 235,180 downloads/mo, #9,006 on PyPI
Alternatives
Verify before relying
pip install logging-tree
import logging
from logging_tree import printout
logging.getLogger('app').setLevel(logging.DEBUG)
printout()- Whether the package works correctly with Python versions newer than 3.12 (latest declared compatibility is 3.12).
What it is and what it does
logging_tree is a diagnostic tool that introspects Python's standard logging module and displays the current logger tree in a human-readable ASCII diagram. It shows the root logger and all child loggers, their configured levels, handlers, filters, and propagation settings. The package solves the problem of understanding complex logging configurations at runtime—especially useful when debugging why certain log messages appear or disappear, or when inheriting code with unfamiliar logging setups.
The package has no runtime dependencies and works by querying the logging module's internal state. It offers both a simple `printout()` function for immediate console output and lower-level APIs (`format.build_description()`, `format.describe()`, `tree()`) for programmatic access to the tree structure. It handles edge cases like placeholder nodes (parent loggers created implicitly) and loggers with disabled propagation.
Use it for
- Debug why a log message is or isn't appearing by visualizing the full logger hierarchy and propagation chain.
- Audit logging configuration in a running application to verify handlers and levels are set as expected.
- Understand inherited or third-party code's logging setup without reading source files.
- Verify that custom logger hierarchies (e.g., 'app.module.submodule') are structured correctly.
- Troubleshoot double-logging or missing log output caused by handler duplication or propagation settings.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
This is a low-friction, zero-dependency diagnostic tool for a common pain point (understanding logging configuration). It is stable, permissive-licensed, and works across a wide range of Python versions. Install it if you regularly debug logging setups or inherit complex applications; skip it if you never need to inspect logging state at runtime.
Install
logging-tree on PyPI
Before you install
Low friction: pure Python wheel with no runtime dependencies. Maintenance is dormant (833 days since last release) but the package is marked Mature and the repository remains active with 333 stars; suitable for stable introspection use.
License in practice
Permissive license (BSD) with no restrictions on commercial or private use.
Quickstart
pip install logging-tree
import logging
from logging_tree import printout
logging.getLogger('app').setLevel(logging.DEBUG)
printout()Verify before relying
- Whether the package works correctly with Python versions newer than 3.12 (latest declared compatibility is 3.12).
Package facts
| License | permissive license permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Dormant 833 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 235,180 / month, #9,006 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 LicenseProgramming Language :: Python :: 2.3Programming Language :: Python :: 2.4Programming Language :: Python :: 2.5Programming Language :: Python :: 2.6Programming Language :: Python :: 2.7Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.2Programming Language :: Python :: 3.3Programming Language :: Python :: 3.4Programming Language :: Python :: 3.5Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: System :: Logging |
Evidence: logging_tree-1.10-py2.py3-none-any.whl
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