chore: upgrade bzlmod example python versions

This is preparatory work for #2704

Author: aignas

examples/bzlmod/.python_version

@@ -1 +1 @@
-3.9
+3.11

examples/bzlmod/BUILD.bazel

@@ -3,24 +3,24 @@
 # The `load` statement imports the symbol for the rule, in the defined
 # ruleset. When the symbol is loaded you can use the rule.
 
-# The names @pip and @python_39 are values that are repository
+# The names @pip and @python_311 are values that are repository
 # names. Those names are defined in the MODULES.bazel file.
 load("@bazel_skylib//rules:build_test.bzl", "build_test")
 load("@pip//:requirements.bzl", "all_data_requirements", "all_requirements", "all_whl_requirements", "requirement")
-load("@python_3_9//:defs.bzl", py_test_with_transition = "py_test")
-load("@python_versions//3.10:defs.bzl", compile_pip_requirements_3_10 = "compile_pip_requirements")
+load("@python_3_11//:defs.bzl", py_test_with_transition = "py_test")
+load("@python_versions//3.12:defs.bzl", compile_pip_requirements_3_12 = "compile_pip_requirements")
 load("@rules_python//python:py_binary.bzl", "py_binary")
 load("@rules_python//python:py_library.bzl", "py_library")
 load("@rules_python//python:py_test.bzl", "py_test")
 
 # This stanza calls a rule that generates targets for managing pip dependencies
 # with pip-compile for a particular python version.
-compile_pip_requirements_3_10(
-    name = "requirements_3_10",
+compile_pip_requirements_3_12(
+    name = "requirements_3_12",
     timeout = "moderate",
     src = "requirements.in",
-    requirements_txt = "requirements_lock_3_10.txt",
-    requirements_windows = "requirements_windows_3_10.txt",
+    requirements_txt = "requirements_lock_3_12.txt",
+    requirements_windows = "requirements_windows_3_12.txt",
 )
 
 # The rules below are language specific rules defined in

examples/bzlmod/MODULE.bazel

@@ -27,12 +27,12 @@ bazel_dep(name = "rules_rust", version = "0.67.0")
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
 python.defaults(
     # Use python.defaults if you have defined multiple toolchain versions.
-    python_version = "3.9",
+    python_version = "3.11",
     python_version_env = "BAZEL_PYTHON_VERSION",
 )
 python.toolchain(
     configure_coverage_tool = True,
-    python_version = "3.9",
+    python_version = "3.11",
 )
 
 # We are also using a second version of Python in this project.
@@ -42,63 +42,18 @@ python.toolchain(
 # work in progress.
 python.toolchain(
     configure_coverage_tool = True,
-    python_version = "3.10",
-)
-
-# One can override the actual toolchain versions that are available, which can be useful
-# when optimizing what gets downloaded and when.
-python.override(
-    # NOTE: These are disabled in the example because transitive dependencies
-    # require versions not listed here.
-    # available_python_versions = [
-    #     "3.10.9",
-    #     "3.9.19",
-    #     # The following is used by the `other_module` and we need to include it here
-    #     # as well.
-    #     "3.11.8",
-    # ],
-    # Also override the `minor_mapping` so that the root module,
-    # instead of rules_python's defaulting to the latest available version,
-    # controls what full version is used when `3.x` is requested.
-    minor_mapping = {
-        "3.9": "3.9.25",
-    },
+    python_version = "3.12",
 )
-
-# Or the sources that the toolchains come from for all platforms
-python.single_version_override(
-    patch_strip = 1,
-    # The user can specify patches to be applied to all interpreters.
-    patches = [],
-    python_version = "3.10.2",
-    sha256 = {
-        "aarch64-apple-darwin": "1409acd9a506e2d1d3b65c1488db4e40d8f19d09a7df099667c87a506f71c0ef",
-        "aarch64-unknown-linux-gnu": "8f351a8cc348bb45c0f95b8634c8345ec6e749e483384188ad865b7428342703",
-        "x86_64-apple-darwin": "8146ad4390710ec69b316a5649912df0247d35f4a42e2aa9615bffd87b3e235a",
-        "x86_64-pc-windows-msvc": "a1d9a594cd3103baa24937ad9150c1a389544b4350e859200b3e5c036ac352bd",
-        "x86_64-unknown-linux-gnu": "9b64eca2a94f7aff9409ad70bdaa7fbbf8148692662e764401883957943620dd",
-    },
-    urls = ["20220227/cpython-{python_version}+20220227-{platform}-{build}.tar.gz"],
-)
-
-# Or a single platform. This can be used in combination with the
-# `single_version_override` and `single_version_platform_override` will be
-# applied after `single_version_override`. Any values present in this override
-# will overwrite the values set by the `single_version_override`
-python.single_version_platform_override(
-    patch_strip = 1,
-    patches = [],
-    platform = "aarch64-apple-darwin",
-    python_version = "3.10.2",
-    sha256 = "1409acd9a506e2d1d3b65c1488db4e40d8f19d09a7df099667c87a506f71c0ef",
-    urls = ["20220227/cpython-{python_version}+20220227-{platform}-{build}.tar.gz"],
+python.toolchain(
+    configure_coverage_tool = True,
+    python_version = "3.13",
 )
 
 # You only need to load this repositories if you are using multiple Python versions.
 # See the tests folder for various examples on using multiple Python versions.
-# The names "python_3_9" and "python_3_10" are autmatically created by the repo
+# The names "python_3_11", "python_3_12" and "python_3_13" are automatically created by the repo
 # rules based on the `python_version` arg values.
-use_repo(python, "python_3_10", "python_3_9", "python_versions", "pythons_hub")
+use_repo(python, "python_3_11", "python_3_12", "python_3_13", "python_versions", "pythons_hub")
 
 # EXPERIMENTAL: This is experimental and may be changed or removed without notice
 uv = use_extension(
@@ -207,8 +162,8 @@ pip.parse(
         "--index-url=${PIP_INDEX_URL:-https://pypi.org/simple}",
     ],
     hub_name = "pip",
-    python_version = "3.9",
-    requirements_lock = "requirements_lock_3_9.txt",
+    python_version = "3.11",
+    requirements_lock = "requirements_lock_3_11.txt",
     # These modifications were created above and we
     # are providing pip.parse with the label of the mod
     # and the name of the wheel.
@@ -229,12 +184,12 @@ pip.parse(
         ],
     },
     hub_name = "pip",
-    python_version = "3.10",
+    python_version = "3.12",
     # The requirements files for each platform that we want to support.
     requirements_by_platform = {
         # Default requirements file for needs to explicitly provide the platforms
-        "//:requirements_lock_3_10.txt": "linux_*,osx_*",
-        "//:requirements_windows_3_10.txt": "windows_x86_64",
+        "//:requirements_lock_3_12.txt": "linux_*,osx_*",
+        "//:requirements_windows_3_12.txt": "windows_x86_64",
     },
     # These modifications were created above and we
     # are providing pip.parse with the label of the mod
@@ -246,16 +201,16 @@ pip.parse(
 )
 pip.parse(
     hub_name = "pip",
-    python_version = "3.11",
+    python_version = "3.13",
     requirements_by_platform = {
         # Default requirements file for needs to explicitly provide the platforms
-        "//:requirements_lock_3_11.txt": "linux_*,osx_*",
+        "//:requirements_lock_3_13.txt": "linux_*,osx_*",
         # This API allows one to specify additional platforms that the users
         # configure the toolchains for themselves. In this example we add
         # `windows_aarch64` to illustrate that `rules_python` won't fail to
         # process the value, but it does not mean that this example will work
         # on Windows ARM.
-        "//:requirements_windows_3_11.txt": "windows_x86_64,windows_aarch64",
+        "//:requirements_windows_3_13.txt": "windows_x86_64,windows_aarch64",
     },
     # These modifications were created above and we
     # are providing pip.parse with the label of the mod

examples/bzlmod/entry_points/BUILD.bazel

@@ -24,10 +24,10 @@ py_console_script_binary(
 )
 
 # A specific Python version can be forced by passing `python_version`
-# attribute, e.g. to force Python 3.9:
+# attribute, e.g. to force Python 3.11:
 py_console_script_binary(
     name = "yamllint",
     pkg = "@pip//yamllint:pkg",
-    python_version = "3.9",
+    python_version = "3.11",
     visibility = ["//entry_points:__subpackages__"],
 )

examples/bzlmod/other_module/BUILD.bazel

@@ -5,6 +5,6 @@ load("@rules_python//python:pip.bzl", "compile_pip_requirements")
 compile_pip_requirements(
     name = "requirements",
     src = "requirements.in",
-    python_version = "3.11",
-    requirements_txt = "requirements_lock_3_11.txt",
+    python_version = "3.12",
+    requirements_txt = "requirements_lock_3_12.txt",
 )

examples/bzlmod/other_module/MODULE.bazel

@@ -13,15 +13,15 @@ local_path_override(
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
 python.defaults(
     # In a submodule this is ignored
-    python_version = "3.11",
+    python_version = "3.12",
 )
 python.toolchain(
     configure_coverage_tool = True,
-    python_version = "3.12",
+    python_version = "3.13",
 )
 python.toolchain(
     configure_coverage_tool = True,
-    python_version = "3.11",
+    python_version = "3.12",
 )
 
 pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
@@ -32,7 +32,7 @@ pip.parse(
     # This is testing that a sub-module can use pip.parse() and only specify
     # Python versions that DON'T include whatever the root-module's default
     # Python version is.
-    python_version = "3.11",
-    requirements_lock = ":requirements_lock_3_11.txt",
+    python_version = "3.12",
+    requirements_lock = ":requirements_lock_3_12.txt",
 )
 use_repo(pip, "other_module_pip")