chore(examples): update bzlmod example to use Python 3.11 minimum version

Author: aignas

examples/bzlmod/.python_version

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

examples/bzlmod/BUILD.bazel

@@ -7,20 +7,20 @@
 # 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

@@ -27,25 +27,19 @@ 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.
 # Typically you will only need a single version of Python, but
 # If you need a different vesion we support more than one.
 # Note: we do not supporting using multiple pip extensions, this is
 # work in progress.
-python.toolchain(
-    configure_coverage_tool = True,
-    python_version = "3.10",
-)
-
-# Adding Python 3.12 version for testing
 python.toolchain(
     configure_coverage_tool = True,
     python_version = "3.12",
@@ -57,24 +51,13 @@ python.toolchain(
     python_version = "3.13",
 )
 
-# One can override the actual toolchain versions that are available, which can be useful
-# when optimizing what gets downloaded and when.
+# One can override the actual toolchain versions that are available
 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",
+    #     "3.12.9",
+    #     "3.11.19",
+    #     "3.13.4",
     # ],
-    # 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",
-    },
 )
 
 # Or the sources that the toolchains come from for all platforms
@@ -110,7 +93,7 @@ python.single_version_platform_override(
 # 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
 # rules based on the `python_version` arg values.
-use_repo(python, "python_3_10", "python_3_12", "python_3_13", "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(
@@ -219,7 +202,7 @@ pip.parse(
         "--index-url=${PIP_INDEX_URL:-https://pypi.org/simple}",
     ],
     hub_name = "pip",
-    python_version = "3.9",
+    python_version = "3.11",
     requirements_lock = "requirements_lock_3_9.txt",
     # These modifications were created above and we
     # are providing pip.parse with the label of the mod
@@ -241,7 +224,7 @@ 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

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__"],
 )