colcon-parallel-executor
Extension for colcon to process packages in parallel.
Decision gist · record as of 2026-08-14
Yes, if you use colcon and have multi-package workspaces. Install friction is minimal, maintenance is active, and the Apache license is unrestrictive. The Alpha classification warrants checking release notes for known issues, but the package has been in use since 2018 and carries no known vulnerabilities.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires colcon-core to be installed and a colcon workspace to exist; the parallel executor is invoked via colcon's command-line interface, not directly in Python code.
- Low install friction with a single pure-Python dependency (colcon-core).
- Actively maintained with a recent commit as of 2026-06-23, though the package is classified as Alpha and last released 366 days ago.
License · maintenance · safety
Apache License, Version 2.0 (permissive) — Apache License 2.0 is permissive and poses no restrictions on commercial or private use; you may use, modify, and distribute this package freely.
last release 2025-08-13 (366 days) · last repo commit 2026-06-23 · 4 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 183,035 downloads/mo, #10,075 on PyPI
Alternatives
Verify before relying
pip install colcon-parallel-executor
colcon build --executor parallel- Whether the Alpha status reflects known limitations or incomplete features that affect production use.
- Performance characteristics and scalability limits when parallelizing large workspaces.
What it is and what it does
colcon-parallel-executor is a plugin for the colcon build system that replaces the default sequential package processor with a parallel one. Instead of building and testing packages one after another, it processes multiple packages concurrently, reducing total build time in multi-package workspaces. The package depends only on colcon-core and integrates transparently into colcon's command-line interface.
It is designed for developers working with ROS 2 or other colcon-based projects that contain many interdependent packages. By invoking colcon with the `--executor parallel` flag, users can take advantage of multi-core systems without changing their workflow. The package supports macOS, Windows, and POSIX systems and requires Python 3.6 or later.
Use it for
- Speed up CI/CD pipelines that build large ROS 2 workspaces by parallelizing package compilation.
- Reduce local development iteration time when working on multi-package projects with independent build dependencies.
- Distribute build load across multiple CPU cores on development machines to shorten feedback loops.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you use colcon and have multi-package workspaces.
Install friction is minimal, maintenance is active, and the Apache license is unrestrictive. The Alpha classification warrants checking release notes for known issues, but the package has been in use since 2018 and carries no known vulnerabilities.
Install
colcon-parallel-executor on PyPI
Before you install
Low install friction with a single pure-Python dependency (colcon-core). Actively maintained with a recent commit as of 2026-06-23, though the package is classified as Alpha and last released 366 days ago.
Requires colcon-core to be installed and a colcon workspace to exist; the parallel executor is invoked via colcon's command-line interface, not directly in Python code.
License in practice
Apache License 2.0 is permissive and poses no restrictions on commercial or private use; you may use, modify, and distribute this package freely.
Quickstart
pip install colcon-parallel-executor
colcon build --executor parallelVerify before relying
- Whether the Alpha status reflects known limitations or incomplete features that affect production use.
- Performance characteristics and scalability limits when parallelizing large workspaces.
Package facts
| License | Apache License, Version 2.0 permissive |
| Python support | Supports the current Python release >=3.6 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagecolcon-core |
| Maintenance | Actively maintained 366 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 183,035 / month, #10,075 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 3 - AlphaEnvironment :: PluginsIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseOperating System :: MacOSOperating System :: Microsoft :: WindowsOperating System :: POSIXProgramming Language :: PythonTopic :: Software Development :: Build Tools |
Evidence: colcon_parallel_executor-0.4.0-py3-none-any.whl
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See also colcon-cmake · colcon-package-selection · colcon-package-information · colcon-recursive-crawl · colcon-core · colcon-ros · colcon-output · colcon-test-result · colcon-powershell · colcon-metadata