From 65b09d6f53eb3c3ec982948dd3b14d521a8c42ae Mon Sep 17 00:00:00 2001
From: Stefan VanBuren <svanburen@buf.build>
Date: Fri, 15 Aug 2025 16:34:33 -0400
Subject: [PATCH] Pin local Python version to lowest supported

Just helps to ensure when developing that we're targeting the lowest
supported version, otherwise it'll only be caught in CI.
---
 .python-version | 1 +
 pyproject.toml  | 1 +
 2 files changed, 2 insertions(+)
 create mode 100644 .python-version

diff --git a/.python-version b/.python-version
new file mode 100644
index 00000000..bd28b9c5
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.9
diff --git a/pyproject.toml b/pyproject.toml
index 64b1c83c..b838dcd8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,6 +9,7 @@ readme = "README.md"
 license = "Apache-2.0"
 license-files = ["LICENSE"]
 keywords = ["validate", "protobuf", "protocol buffer"]
+# Keep our minimum version synced with ./.python-version.
 requires-python = ">=3.9"
 classifiers = [
   "Programming Language :: Python :: 3.9",