Ensure backward compatibility for Python 3.10

.ruff.toml

@@ -1 +1,2 @@
 line-length = 120
+target-version = "py310"

BUILD

@@ -16,9 +16,15 @@ load("@score_docs_as_code//:docs.bzl", "docs")
 load("@score_tooling//:defs.bzl", "copyright_checker")
 
 compile_pip_requirements(
-    name = "requirements",
+    name = "requirements_3_12",
     src = "requirements.in",
-    requirements_txt = "requirements_lock.txt",
+    requirements_txt = "requirements_lock_3_12.txt",
+)
+
+compile_pip_requirements(
+    name = "requirements_3_10",
+    src = "requirements.in",
+    requirements_txt = "requirements_lock_3_10.txt",
 )
 
 exports_files([

MODULE.bazel

@@ -23,25 +23,34 @@ module(
 ###############################################################################
 bazel_dep(name = "rules_python", version = "1.8.5")
 
-PYTHON_VERSION = "3.12"
+PYTHON_VERSIONS = [
+    "3.10",
+    "3.12",
+]
+
+DEFAULT_PYTHON_VERSION = "3.12"
 
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
-python.toolchain(
-    is_default = True,
-    python_version = PYTHON_VERSION,
-)
+python.defaults(python_version = DEFAULT_PYTHON_VERSION)
+
+[python.toolchain(
+    is_default = version == DEFAULT_PYTHON_VERSION,
+    python_version = version,
+) for version in PYTHON_VERSIONS]
 
 ###############################################################################
 #
 # PIP dependencies
 #
 ###############################################################################
 pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
-pip.parse(
+
+[pip.parse(
     hub_name = "itf_pip",
-    python_version = PYTHON_VERSION,
-    requirements_lock = "//:requirements_lock.txt",
-)
+    python_version = version,
+    requirements_lock = "//:requirements_lock_{}.txt".format(version.replace(".", "_")),
+) for version in PYTHON_VERSIONS]
+
 use_repo(pip, "itf_pip")
 
 ###############################################################################

docs/how-to/get_started.md

@@ -6,7 +6,7 @@ This guide walks you through setting up ITF in a new Bazel workspace from scratc
 
 - [Bazel](https://bazel.build/install) 7.x or later
 - Docker (for Docker-based tests)
-- Python 3.12+
+- Python 3.10+
 
 ## 1. Add ITF to your workspace
 

examples/MODULE.bazel

@@ -23,14 +23,22 @@ module(
 ###############################################################################
 bazel_dep(name = "rules_python", version = "1.0.0")
 
-PYTHON_VERSION = "3.12"
+PYTHON_VERSIONS = [
+    "3.10",
+    "3.12",
+]
+
+DEFAULT_PYTHON_VERSION = "3.12"
 
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
-python.toolchain(
+python.defaults(python_version = DEFAULT_PYTHON_VERSION)
+
+[python.toolchain(
     configure_coverage_tool = True,
-    is_default = True,
-    python_version = PYTHON_VERSION,
-)
+    is_default = version == DEFAULT_PYTHON_VERSION,
+    python_version = version,
+) for version in PYTHON_VERSIONS]
+
 use_repo(python)
 
 ###############################################################################

requirements_lock.txt → requirements_lock_3_10.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    bazel run //:requirements.update
+#    bazel run //:requirements_3_10.update
 #
 --extra-index-url https://pypi.org/simple/