1.4.0-rc4

For more detailed setup instructions, see https://rules-python.readthedocs.io/en/latest/getting-started.html

For the user-facing changelog see here

Using Bzlmod

Add to your MODULE.bazel file:

bazel_dep(name = "rules_python", version = "1.4.0-rc4")

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    python_version = "3.13",
)

pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
pip.parse(
    hub_name = "pypi",
    python_version = "3.13",
    requirements_lock = "//:requirements_lock.txt",
)

use_repo(pip, "pypi")

Using WORKSPACE

Paste this snippet into your WORKSPACE file:

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "rules_python",
    sha256 = "c21b61d42c5f208cff59647d6a4ad23104c97612e67c117fe58f8c154b5b3821",
    strip_prefix = "rules_python-1.4.0-rc4",
    url = "https://github.com/bazel-contrib/rules_python/releases/download/1.4.0-rc4/rules_python-1.4.0-rc4.tar.gz",
)

load("@rules_python//python:repositories.bzl", "py_repositories")

py_repositories()

Gazelle plugin

Paste this snippet into your WORKSPACE file:

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "rules_python_gazelle_plugin",
    sha256 = "c21b61d42c5f208cff59647d6a4ad23104c97612e67c117fe58f8c154b5b3821",
    strip_prefix = "rules_python-1.4.0-rc4/gazelle",
    url = "https://github.com/bazel-contrib/rules_python/releases/download/1.4.0-rc4/rules_python-1.4.0-rc4.tar.gz",
)

# To compile the rules_python gazelle extension from source,
# we must fetch some third-party go dependencies that it uses.

load("@rules_python_gazelle_plugin//:deps.bzl", _py_gazelle_deps = "gazelle_deps")

_py_gazelle_deps()

Full Changelog: 1.4.0-rc3...1.4.0-rc4