Add support for multiple python versions

Signed-off-by: Michael Carroll <[email protected]>

MODULE.bazel

@@ -7,15 +7,33 @@ bazel_dep(name = "rules_license", version = "1.0.0")
 bazel_dep(name = "bazel_skylib", version = "1.7.1")
 bazel_dep(name = "rules_python", version = "0.40.0")
 
+PYTHON_VERSIONS = [
+    "3.8",
+    "3.9",
+    "3.10",
+    "3.11",
+    "3.12",
+]
+
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
-python.toolchain(
-    python_version = "3.11",
-)
+
+[
+    python.toolchain(
+        is_default = python_version == PYTHON_VERSIONS[-1],
+        python_version = python_version,
+    )
+    for python_version in PYTHON_VERSIONS
+]
 
 pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
-pip.parse(
-    hub_name = "xacro_python_dependencies",
-    python_version = "3.11",
-    requirements_lock = "//bazel:requirements_lock.txt",
-)
+
+[
+    pip.parse(
+        hub_name = "xacro_python_dependencies",
+        python_version = python_version,
+        requirements_lock = "//bazel:requirements_lock.txt",
+    )
+    for python_version in PYTHON_VERSIONS
+]
+
 use_repo(pip, "xacro_python_dependencies")

bazel/requirements_lock.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    bazel run //bazel:requirements.update