vmodule
Enable glog-style vmodule for python's logging
Decision gist · record as of 2026-08-14
Yes, if you need glog-style verbose logging in a Python CLI or library. The zero-dependency design, permissive license, and active maintenance make it a low-friction addition. The long gap since the last release is not a blocker for a stable, narrow-scope utility, but verify that per-module filtering works as documented for your use case.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.7 or later; development and linting tested on 3.10-3.12.
- No runtime dependencies and a pure-Python wheel make installation straightforward.
- The package is actively maintained with a recent commit history, though it has not seen a release since its initial 0.5.0 in February 2024.
License · maintenance · safety
MIT (permissive) — MIT license is permissive and imposes no restrictions on use, modification, or distribution in proprietary or open-source projects.
last release 2024-02-26 (900 days) · last repo commit 2026-03-18
0 known vulnerabilities (OSV.dev, 2026-08-14) · 191,035 downloads/mo, #9,895 on PyPI
Alternatives
Verify before relying
from logging import getLogger
from vmodule import VLOG_1, vmodule_init
LOG = getLogger(__name__)
vmodule_init(v=1, vmodule=None)
LOG.log(VLOG_1, "Verbose message")- Whether the package's claim of working back to Python 3.7 has been tested against that version in CI.
- Real-world adoption beyond the top_15000 tier ranking; the 191035 monthly downloads may reflect transitive dependency rather than direct use.
What it is and what it does
vmodule extends Python's standard logging module with glog-style verbose logging levels (VLOG_1, VLOG_2, etc.), mapping them onto numeric severity thresholds. It lets you set a global verbosity level via a `-v` flag and override it per-module using a `--vmodule` string, similar to the glog library used in C++ projects. The package has no external dependencies and integrates directly with the logging module, so you can use it in libraries without imposing a dependency on your users.
You initialize it once in your application's main function with `vmodule_init()`, passing the verbosity level and optional per-module overrides. After that, you log at the verbose levels using `LOG.log(VLOG_1, ...)` just like any other logging call. It's designed for command-line tools and applications where you want to expose fine-grained logging control without restructuring your logging setup.
Use it for
- Command-line tools that need `-v` flags to control logging verbosity across multiple modules.
- Libraries that want to emit verbose debug logs without forcing users to configure logging themselves.
- Applications porting from glog where developers are familiar with VLOG semantics.
- Debugging production issues by enabling verbose output for specific modules without changing code.
- Multi-module Python projects where different components need different verbosity levels at runtime.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need glog-style verbose logging in a Python CLI or library.
The zero-dependency design, permissive license, and active maintenance make it a low-friction addition. The long gap since the last release is not a blocker for a stable, narrow-scope utility, but verify that per-module filtering works as documented for your use case.
Install
vmodule on PyPI
Before you install
No runtime dependencies and a pure-Python wheel make installation straightforward. The package is actively maintained with a recent commit history, though it has not seen a release since its initial 0.5.0 in February 2024.
Requires Python 3.7 or later; development and linting tested on 3.10-3.12.
License in practice
MIT license is permissive and imposes no restrictions on use, modification, or distribution in proprietary or open-source projects.
Quickstart
from logging import getLogger
from vmodule import VLOG_1, vmodule_init
LOG = getLogger(__name__)
vmodule_init(v=1, vmodule=None)
LOG.log(VLOG_1, "Verbose message")Verify before relying
- Whether the package's claim of working back to Python 3.7 has been tested against that version in CI.
- Real-world adoption beyond the top_15000 tier ranking; the 191035 monthly downloads may reflect transitive dependency rather than direct use.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 900 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 191,035 / month, #9,895 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: vmodule-0.5.0-py3-none-any.whl
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