Pantsbuild Open Source Community Blog (Page 2)

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Better CI/CD caching with Pants

Better CI/CD caching with Pants

Pants is designed to utilize fine-grained caching to speed up builds. Users are often interested in how this interacts with CI providers' own caching features, which are necessary since CI jobs typically run in fresh containers, with no direct access to previous state. In particular, we get questions about how

Dovetail Joint: Creative Commons

Language Support > JVM Featured

Pants 2.12: Improved performance for common cases, IDE support for Java and Scala

We're pleased to announce Pants 2.12.0 [https://www.pantsbuild.org/v2.12/docs], the latest release of Pants: the scalable and ergonomic build system. To update, set pants_version = "2.12.0" in your pants.toml. See upgrade tips [https://www.pantsbuild.org/docs/upgrade-tips] for more information.

How we streamlined Apple M1 Support with self-hosted Github Actions runners

How we streamlined Apple M1 Support with self-hosted Github Actions runners

We ended up setting up a self-hosted GitHub Actions runner, on a hosted Mac M1. Getting the machine itself up and running was easy, thanks to MacStadium's simple, effective UX. But setting up the GHA runner on it was a little trickier, for a couple of reasons...

Multiple lockfiles in Python repos

Multiple lockfiles in Python repos

Rather than forcing global or per-project lockfiles, Pants uses a hybrid approach...This allows a repo to operate with the minimum number of lockfiles required to support their conflicting library versions, without necessarily going to the costly extreme of per-project lockfiles.

Pants 2.11 adds Go Protobuf codegen, Pex lockfiles for Python, and parametrization

Release Announcements Featured

Pants 2.11 adds Go Protobuf codegen, Pex lockfiles for Python, and parametrization

We're pleased to announce Pants 2.11.0, the latest release of Pantsbuild, the scalable and ergonomic build system. To update, set pants_version = "2.11.0" in your pants.toml. See upgrade tips [https://www.pantsbuild.org/docs/upgrade-tips], including the update-build-files goal to automate some of the upgrade.

Talk Notes: PyCon US 2022 – Hermetic Environments in Pantsbuild

Talk Notes: PyCon US 2022 – Hermetic Environments in Pantsbuild

On Sunday 1 May 2022, Pants Maintainer, Christopher Neugebauer gave a talk about Pantsbuild's hermetic environments. Here are some useful resources: * Example Python repo [https://github.com/pantsbuild/example-python] — the codebase where you can run the demos from the start of the talk. * Stu Hood – Faster incremental builds with Speculation

Pants 2.10 adds multiple Python lockfile support, PyOxidizer, Thrift codegen, and better linter parallelization

Release Announcements Featured

Pants 2.10 adds multiple Python lockfile support, PyOxidizer, Thrift codegen, and better linter parallelization

We're pleased to announce Pants 2.10.0, the latest release of Pantsbuild, the scalable and ergonomic build system. To update, set pants_version = "2.10.0" in your pants.toml. See upgrade tips [https://www.pantsbuild.org/docs/upgrade-tips], including the update-build-files goal to automate some of the upgrade.

The 2022 annual community survey is a wrap, and the results are in!

The 2022 annual community survey is a wrap, and the results are in!

We recently conducted our annual survey [https://groups.google.com/g/pants-devel/c/UFt3Os--6ps/m/FCjGTnlRBQAJ] of the Pants community. The purpose, as usual, was to inform the project roadmap for the year. The survey proceeded in two phases: First, we gathered all the potential projects and needs from the

Effective monorepos with Pants

Effective monorepos with Pants

Working effectively in a monorepo requires appropriate tooling. While Pants can be a really useful system in repos of all sizes and architectures, it has some features that make it particularly appealing in a monorepo setting…

The monorepo approach to code management

The monorepo approach to code management

If you’re responsible for your organization’s codebase architecture, then at some point you have to make some emphatic choices about how to manage this growth in a scalable way. There are two common architectural alternatives to choose from...

Pants 2.10 adds Apache Thrift support for Python

Pants's codegen support solves one of the biggest problems with code generation: how to make sure that local developers, CI, and production are using the same generated code?

Meet our newest Maintainer: Alexey Tereshenkov

Community > Meet the Team

Meet our newest Maintainer: Alexey Tereshenkov

This month, the Pants core maintainers voted to invite Alexey Tereshenkov to become a Maintainer. This is a trusted role earned through demonstrating a long-term interest in Pants, by people who make regular contributions for some time and who plan to continue to do so. Maintainers conduct code reviews of

Packaging Python with the PyOxidizer Pants Plugin

Language Support > Python

Packaging Python with the PyOxidizer Pants Plugin

Alliterations aside, this post discusses the new PyOxidizer integration coming in Pants 2.10 for packaging Python applications.

Choosing a Python interpreter for a Pants project

Language Support > Python

Choosing a Python interpreter for a Pants project

Choosing a compatible Python interpreter carefully is important not only for developers, but for the Pants repository administrators as well. Developers using Pants build system in their project may see various errors and have different behaviors depending on the Python interpreter...

Image of Joshua Cannon

Community > Meet the Team

Meet our newest Maintainer: Joshua Cannon

The Pants Maintainers [https://www.pantsbuild.org/docs/maintainers] are a group of people with an ongoing commitment to Pants, who help manage and steer the project. Maintainers are a subgroup within the wider Contributor [https://www.pantsbuild.org/docs/the-pants-community#contributors] population. I'm very pleased to introduce the latest

Language Support > JVM Featured

Pants 2.9: Alpha support for Java and Scala, improvements for Docker and Go, and more

We're pleased to announce [Pants 2.9.0](https://www.pantsbuild.org/v2.9/docs), the latest release of Pants: the scalable and ergonomic build system!

You can call us Pantsbuild (or Pants, whichever you prefer)

You can call us Pantsbuild (or Pants, whichever you prefer)

As more and more people start using and discovering Pants, we’ve discovered that it’s difficult to talk about the tool without introducing it as The Pants Build System, which isn’t very snappy or easy to remember. Especially in titles of posts or in tweets without that much

Updating Pants BUILD files programmatically

Getting Started

Updating Pants BUILD files programmatically

Introduction Working with a monorepository implies dealing with build metadata files that provide information about the source code and how it should be built. Pants build system uses BUILD files which are valid Python files and are evaluated using a Python interpreter as a list of statements. When adding support

Happy new year!

Happy new year!

Hi Pants community, 2021 was another massive year for the project, even as the pandemic continued to disrupt our lives in so many challenging ways. We grew our Python user base significantly, engaged in critical developer relations [https://www.pantsbuild.org/docs/media] efforts, gained new community members, including several

Docs improvements

Getting Started

Docs improvements

We've added a spate of new pages in recent months, plus Eric Arellano just completed a thorough audit of the docs which resulted in overhauling several pages. So if you haven't checked all of these out docs pages recently, give 'em a read or re-visit: Overhauled Getting Started * Key concepts

Automatically unlocking concurrent builds and fine-grained caching on the JVM with dependency inference

Language Support > JVM

Automatically unlocking concurrent builds and fine-grained caching on the JVM with dependency inference

We’ve been busy working on JVM support for the open source Pants Build system, starting with support for Java and Scala. We’re excited about the progress we’ve made with Java support, and we want to share with you some of the more exciting work we’ve done.

Pants vs. Bazel: Why Pants may be the right choice for your team

Getting Started Featured

Pants vs. Bazel: Why Pants may be the right choice for your team

Many considerations go into evaluating and adopting a new build system: performance, scalability language and framework support, ease of adoption and use, extensibility, compatibility with existing practices, and more.…

Pants 2.8 adds Autoflake & Pyupgrade, Docker publishing, Golang, and Google Cloud Functions

Release Announcements Featured

Pants 2.8 adds Autoflake & Pyupgrade, Docker publishing, Golang, and Google Cloud Functions

Pants 2.8 adds Autoflake & Pyupgrade, Docker publishing, Golang, PEP 517 publishing, and Google Cloud Functions

Pants 2.8 adds experimental Golang support

Release Announcements

Pants 2.8 adds experimental Golang support

Why Pants for Golang? A consistent interface for all languages & tools, integration with Git + advanced project introspection, and remote caching and execution. All with minimal boilerplate.

Pants supports PEP 517

Language Support > Python

Pants supports PEP 517

> TL;DR The upcoming Pants 2.8 release has greatly improved support [https://www.pantsbuild.org/v2.8/docs/python-distributions] for packaging Python distributions (sdists and wheels), including native extensions, by leveraging PEP 517. Pants has industry-leading support for Python builds - covering steps such as resolving 3rd-party dependencies, running