pytest-xprocess
A pytest plugin for managing processes across test runs.
Decision gist · record as of 2026-08-14
Yes, if your test suite relies on external processes. The plugin is actively maintained, has low install friction, carries no security vulnerabilities, and uses a permissive MIT license. It is well-suited for integration tests that need to manage services across multiple test runs.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction install with only pytest and psutil as runtime dependencies.
- The package is actively maintained with a recent commit history and has been stable since its early releases.
License · maintenance · safety
MIT (permissive) — MIT license is permissive, allowing use in commercial and open-source projects with minimal restrictions.
last release 2024-05-19 (817 days) · last repo commit 2026-07-13 · 108 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 307,612 downloads/mo, #7,774 on PyPI
Alternatives
Verify before relying
pip install pytest-xprocess
import pytest
from pytest_xprocess import XProcess
def test_with_process(xprocess):
# xprocess manages the external process lifecycle
xprocess.ensure("my_service", lambda: ...)- Whether the plugin supports process cleanup and signal handling across different operating systems.
- Performance characteristics when managing many concurrent external processes.
What it is and what it does
pytest-xprocess is a pytest plugin that handles the lifecycle of external processes during test execution. Rather than starting and stopping a service (like a database, cache, or API server) for each test, it manages long-lived processes that can be reused across multiple tests, reducing test overhead and improving speed.
The plugin works by maintaining process state across test runs and providing fixtures to interact with these processes. It depends on pytest for the test framework integration and psutil for cross-platform process management. It supports Python 3.8 through 3.11 and is classified as Beta stability, indicating it is mature but may still have minor API changes.
Use it for
- Start a database server once and reuse it across all tests instead of spinning up a new instance per test.
- Manage a mock API or HTTP service that multiple test cases need to communicate with.
- Control background worker processes or message queues during integration testing.
- Reduce test suite runtime by avoiding repeated startup costs of external services.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if your test suite relies on external processes.
The plugin is actively maintained, has low install friction, carries no security vulnerabilities, and uses a permissive MIT license. It is well-suited for integration tests that need to manage services across multiple test runs.
Install
pytest-xprocess on PyPI
Before you install
Low friction install with only pytest and psutil as runtime dependencies. The package is actively maintained with a recent commit history and has been stable since its early releases.
License in practice
MIT license is permissive, allowing use in commercial and open-source projects with minimal restrictions.
Quickstart
pip install pytest-xprocess
import pytest
from pytest_xprocess import XProcess
def test_with_process(xprocess):
# xprocess manages the external process lifecycle
xprocess.ensure("my_service", lambda: ...)Verify before relying
- Whether the plugin supports process cleanup and signal handling across different operating systems.
- Performance characteristics when managing many concurrent external processes.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagespytestpsutil |
| Maintenance | Actively maintained 817 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 307,612 / month, #7,774 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaFramework :: PytestIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: Software Development :: LibrariesTopic :: Software Development :: TestingTopic :: Utilities |
Evidence: pytest_xprocess-1.0.2-py3-none-any.whl
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