fix: use configured PYTHON for wheel build

[andrewwhitecdw]

This PR addresses the following issue in docker/build/assets.Dockerfile: use configured PYTHON for wheel build.

Changes

• docker/build/assets.Dockerfile: use configured PYTHON for wheel build.

Details

--- a/docker/build/assets.Dockerfile
+++ b/docker/build/assets.Dockerfile
@@ -1,1 +1,1 @@
-    python3 -m build --wheel && \
+    ${PYTHON} -m build --wheel && \

Tests

• scripts/validate_dockerfile_python.sh

diff --git a/scripts/validate_dockerfile_python.sh b/scripts/validate_dockerfile_python.sh
new file mode 100755
--- /dev/null
+++ b/scripts/validate_dockerfile_python.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+# Validate that the wheel build and auditwheel repair commands in
+# docker/build/assets.Dockerfile use the configured PYTHON interpreter.
+set -e
+
+DOCKERFILE="docker/build/assets.Dockerfile"
+
+# Strip comments and check for hardcoded python3 in the relevant commands.
+if sed 's/#.*//' "$DOCKERFILE" | grep -n 'python3 -m build --wheel'; then
+    echo "Error: Found hardcoded python3 in wheel build command" >&2
+    exit 1
+fi
+if sed 's/#.*//' "$DOCKERFILE" | grep -n 'python3 -m auditwheel'; then
+    echo "Error: Found hardcoded python3 in auditwheel command" >&2
+    exit 1
+fi
+
+echo "OK: Dockerfile uses configured PYTHON for wheel build and repair"

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