Release notes from rules_py

v1.6.3

2025-08-15T20:31:49Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.6.3")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "c0bdd4a562a40b1931a373dfa3999e8aafdb2cfc25dcd641934a9164f3cd3431",
    strip_prefix = "rules_py-1.6.3",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.6.3/rules_py-v1.6.3.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix(pypex): spill to a param file for PyPex when necessary by @plobsing in #617
chore(deps): Bump tools_telemetry by @arrdem in #624

New Contributors

@plobsing made their first contribution in #617

Full Changelog: v1.6.2...v1.6.3

v1.6.2

2025-08-14T03:12:27Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.6.2")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "48a64cabfda973015e9bc3874c1296fd89320088fe3b706aefffbeafdd95953b",
    strip_prefix = "rules_py-1.6.2",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.6.2/rules_py-v1.6.2.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix(venv_link): Correct name argument by @arrdem in #601
Add language regarding telemetry to the README by @arrdem in #614
Fix debug logging in release by @arrdem in #613
chore(deps): Bump tools_telemetry by @arrdem in #623

Full Changelog: v1.6.1...v1.6.2

v1.6.1

2025-07-24T04:47:45Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.6.1")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "75214e4cec5c372a18f3cb53d517050c3245fe19d47dd46eeb2329c030a272f3",
    strip_prefix = "rules_py-1.6.1",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.6.1/rules_py-v1.6.1.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix(venv_link): Repair venv link munging by @arrdem in #599
feat(telemetry): Integrate tools_telemetry by @arrdem in #612

Full Changelog: v1.6.0...v1.6.1

v1.6.0

2025-06-10T19:20:32Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.6.0")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "5d271622647b3f7b5fee0e9f079ae06d89c3840a116c81af0b5aa9978df858bc",
    strip_prefix = "rules_py-1.6.0",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.6.0/rules_py-v1.6.0.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix(py_venv): Activate embedded interpreters by @arrdem in #576
fix(py_venv): Implement collision handling by @arrdem in #578
chore(deps): update dependency gitdb to v4.0.12 by @renovate in #574
Disable typing in py/private/pytest.py.tmpl by @Synss in #577
Turn off the dashboard issue by @arrdem in #583
chore(deps): update ubuntu:latest docker digest to b59d215 by @renovate in #586
fix(py_venv): Repair runfiles-relative venv roots by @arrdem in #579
tweak(pre-commit): Automate manifest updates by @arrdem in #584
fix(venv): Use the interpreter to abspath by @arrdem in #590

New Contributors

@Synss made their first contribution in #577

Full Changelog: v1.5.2...v1.6.0

v1.6.0-rc0

2025-06-09T22:18:14Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.6.0-rc0")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "91aa96511d32cd92eb1406f07ab46e978f836bffa2a6bc997ea3a56620b01043",
    strip_prefix = "rules_py-1.6.0-rc0",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.6.0-rc0/rules_py-v1.6.0-rc0.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix(py_venv): Activate embedded interpreters by @arrdem in #576
fix(py_venv): Implement collision handling by @arrdem in #578
chore(deps): update dependency gitdb to v4.0.12 by @renovate in #574
Disable typing in py/private/pytest.py.tmpl by @Synss in #577
Turn off the dashboard issue by @arrdem in #583
chore(deps): update ubuntu:latest docker digest to b59d215 by @renovate in #586
fix(py_venv): Repair runfiles-relative venv roots by @arrdem in #579

New Contributors

@Synss made their first contribution in #577

Full Changelog: v1.5.2...v1.6.0-rc0

v1.5.2

2025-05-31T05:01:44Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.5.2")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "8dfa4b68154aad31534fb0e7006a8ab4056b2d05bff623c90f86fc6b1a218ee2",
    strip_prefix = "rules_py-1.5.2",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.5.2/rules_py-v1.5.2.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix(py_venv): Need venv in the exec config by @arrdem in #571

Full Changelog: v1.5.1...v1.5.2

v1.5.1

2025-05-30T19:33:32Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.5.1")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "7761547b62bb682db7211f897a2f4fe131ad2abd6129550910edcc31706b1029",
    strip_prefix = "rules_py-1.5.1",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.5.1/rules_py-v1.5.1.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

chore(deps): upgrade publish-to-bcr by @alexeagle in #563
fix(shim): Apply path canonicalization by @arrdem in #565
tweak: Automate docs updates by @arrdem in #557
fix(release): Configure the interpreter shim via a prebuilt toolchain by @arrdem in #568

Full Changelog: v1.5.0...v1.5.1

v1.5.0

2025-05-28T19:59:08Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.5.0")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "cc3397982ee767d269ad28cc7731923ecc9d94eee1c78b9807e1630022e46f8a",
    strip_prefix = "rules_py-1.5.0",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.5.0/rules_py-v1.5.0.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

fix: pass through publish token from release workflow by @alexeagle in #559
Add CcInfo to allowed providers of py_library deps. by @lgulich in #550
chore: update BCR publish to latest release by @alexeagle in #560
feat(venv): Static site-packages trees by @arrdem in #551
chore(release): Add shim tool by @arrdem in #562

New Contributors

@lgulich made their first contribution in #550

Full Changelog: v1.4.0...v1.5.0

v1.4.0

2025-05-09T19:07:33Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.4.0")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "8e9a1f00e4ba5696f9e93a770a6c1de863544cce489df91809fc3a4027ccfddc",
    strip_prefix = "rules_py-1.4.0",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.4.0/rules_py-v1.4.0.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

feat(venv): Create a relocatable venv shim by @arrdem in #546
Fix exec_properties for py_test by @keith in #529
chore: ensure we don't compile protoc by @alexeagle in #554
feature(py_image_layer): Adding Support for Custom Group for Py Image Layer by @ajrpeggio in #556

New Contributors

@arrdem made their first contribution in #546
@ajrpeggio made their first contribution in #556

Full Changelog: v1.3.4...v1.4.0

v1.3.4

2025-04-24T20:40:24Z

Using Bzlmod with Bazel 6:

Add to your MODULE.bazel file:

bazel_dep(name = "aspect_rules_py", version = "1.3.4")

And also register a Python toolchain, see rules_python. For example:

# Minimum version needs:
# feat: add interpreter_version_info to py_runtime by @mattem in #1671
bazel_dep(name = "rules_python", version = "0.29.0", dev_dependency = True)

python = use_extension("@rules_python//python/extensions:python.bzl", "python")
python.toolchain(
    configure_coverage_tool = True,
    python_version = "3.11",
)

Using WORKSPACE

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "aspect_rules_py",
    sha256 = "b05d462aaa0e86add00a7e180263d8b48f1e6c1ce10f653bbebfa52102fa2f69",
    strip_prefix = "rules_py-1.3.4",
    url = "https://github.com/aspect-build/rules_py/releases/download/v1.3.4/rules_py-v1.3.4.tar.gz",
)
# Fetches the rules_py dependencies.
# If you want to have a different version of some dependency,
# you should fetch it *before* calling this.
# Alternatively, you can skip calling this function, so long as you've
# already fetched all the dependencies.
load("@aspect_rules_py//py:repositories.bzl", "rules_py_dependencies")

rules_py_dependencies()

load("@aspect_rules_py//py:toolchains.bzl", "rules_py_toolchains")

rules_py_toolchains()

# "Installation" for rules_python
load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")

python_register_toolchains(
    name = "python_toolchain",
    python_version = "3.9",
)

py_repositories()

What's Changed

chore: add missing maintainers by @alexeagle in #552
chore: switch to upstream release workflow by @alexeagle in #553

Full Changelog: v1.3.3...v1.3.4