setproctitle
A Python module to customize the process title
Decision gist · record as of 2026-08-14
Yes, if you need process or thread title customization in a multi-process application. The package is stable, permissive-licensed, has no runtime dependencies, and supports current Python versions (3.8–3.14) across major platforms. Medium install friction is acceptable for most deployments given broad wheel availability. Not needed for single-process applications or when system process names are sufficient.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a C compiler and Python development headers (python-dev or python3-dev) to build from source; precompiled wheels available for common platforms.
- Import early in program lifetime to avoid interference from code that modifies environment variables.
- Medium install friction due to C extension compilation requirement.
License · maintenance · safety
BSD-3-Clause (permissive) — BSD-3-Clause is permissive; you can use, modify, and distribute this package freely in commercial and private projects with minimal restrictions.
last release 2025-09-05 (343 days) · last repo commit 2025-11-06 · 559 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 50,652,258 downloads/mo, #573 on PyPI
Alternatives
Verify before relying
pip install setproctitle
import setproctitle
setproctitle.setproctitle('my-worker-task')
print(setproctitle.getproctitle())- Whether the fallback no-op implementation (added in 1.3.0) activates gracefully when C extension build fails
- Specific behavior differences across Windows, Linux, BSD, and macOS regarding title visibility and length limits
What it is and what it does
setproctitle is a C extension that wraps platform-specific process title manipulation code originally from PostgreSQL. It exports setproctitle() and getproctitle() functions to change and read the current process title, plus setthreadtitle() and getthreadtitle() for thread titles on supported systems. The module is designed for multi-process systems where child processes need distinguishable titles to identify their tasks—a technique used by PostgreSQL and OpenSSH.
The package requires a C compiler and Python development headers to build, though precompiled wheels are available for common platforms (Linux x86_64, aarch64, ppc64le, macOS universal2/arm64, Windows x86/x64, and musl variants). On Windows, the module creates a Named Object readable via Process Explorer rather than modifying the actual process string. Environment variables SPT_NOENV and SPT_DEBUG allow customization of behavior and debugging.
Use it for
- Identify child processes in a multi-process application by setting each worker's title to reflect its current task or ID
- Monitor long-running daemon processes with custom titles visible in system tools like htop or Activity Monitor
- Debug process lifecycle issues by setting distinct titles at different application stages
- Implement process pooling systems where worker processes display their assigned job or queue name
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need process or thread title customization in a multi-process application.
The package is stable, permissive-licensed, has no runtime dependencies, and supports current Python versions (3.8–3.14) across major platforms. Medium install friction is acceptable for most deployments given broad wheel availability. Not needed for single-process applications or when system process names are sufficient.
Install
setproctitle on PyPI
Before you install
Medium install friction due to C extension compilation requirement. The package is aging (343 days since last release) but remains actively maintained with recent commits and broad platform wheel coverage. No runtime dependencies.
Requires a C compiler and Python development headers (python-dev or python3-dev) to build from source; precompiled wheels available for common platforms. Import early in program lifetime to avoid interference from code that modifies environment variables.
License in practice
BSD-3-Clause is permissive; you can use, modify, and distribute this package freely in commercial and private projects with minimal restrictions.
Quickstart
pip install setproctitle
import setproctitle
setproctitle.setproctitle('my-worker-task')
print(setproctitle.getproctitle())Verify before relying
- Whether the fallback no-op implementation (added in 1.3.0) activates gracefully when C extension build fails
- Specific behavior differences across Windows, Linux, BSD, and macOS regarding title visibility and length limits
Package facts
| License | BSD-3-Clause permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Aging 343 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 50,652,258 / month, #573 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/StableIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseOperating System :: MacOS :: MacOS XOperating System :: Microsoft :: WindowsOperating System :: POSIX :: BSDOperating System :: POSIX :: LinuxProgramming Language :: CProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: Software Development |
Evidence: setproctitle-1.3.7-cp310-cp310-macosx_10_9_universal2.whl; setproctitle-1.3.7-cp310-cp310-macosx_11_0_arm64.whl; setproctitle-1.3.7-cp310-cp310-manylinux1_x86_64.manylinux_2_28_x86_64.manylinux_2_5_x86_64.whl; setproctitle-1.3.7-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; setproctitle-1.3.7-cp310-cp310-manylinux2014_ppc64le.manylinux_2_17_ppc64le.manylinux_2_28_ppc64le.whl; setproctitle-1.3.7-cp310-cp310-musllinux_1_2_aarch64.whl; setproctitle-1.3.7-cp310-cp310-musllinux_1_2_ppc64le.whl; setproctitle-1.3.7-cp310-cp310-musllinux_1_2_x86_64.whl; setproctitle-1.3.7-cp310-cp310-win32.whl; setproctitle-1.3.7-cp310-cp310-win_amd64.whl; setproctitle-1.3.7-cp311-cp311-macosx_10_9_universal2.whl; setproctitle-1.3.7-cp311-cp311-macosx_11_0_arm64.whl; setproctitle-1.3.7-cp311-cp311-manylinux1_x86_64.manylinux_2_28_x86_64.manylinux_2_5_x86_64.whl; setproctitle-1.3.7-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; setproctitle-1.3.7-cp311-cp311-manylinux2014_ppc64le.manylinux_2_17_ppc64le.manylinux_2_28_ppc64le.whl; setproctitle-1.3.7-cp311-cp311-musllinux_1_2_aarch64.whl; setproctitle-1.3.7-cp311-cp311-musllinux_1_2_ppc64le.whl; setproctitle-1.3.7-cp311-cp311-musllinux_1_2_x86_64.whl; setproctitle-1.3.7-cp311-cp311-win32.whl; setproctitle-1.3.7-cp311-cp311-win_amd64.whl
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