RHAIENG-304, RHAIENG-786: chore(scripts): update sync-requirements-txt.sh to support pylock.toml generation using uv pip compile instead of Pipfile.lock (opendatahub-io#2220)

Author: jiridanek

Makefile

@@ -462,7 +462,7 @@ refresh-pipfilelock-files:
 
 	echo "Regenerating requirements.txt files"
 	pushd $(ROOT_DIR)
-		bash $(ROOT_DIR)/scripts/sync-requirements-txt.sh
+		bash $(ROOT_DIR)/scripts/sync-python-lockfiles.sh
 	popd
 
 # This is only for the workflow action

ci/generate_code.sh

@@ -2,4 +2,4 @@
 set -Eeuxo pipefail
 
 python3 scripts/dockerfile_fragments.py
-bash scripts/sync-requirements-txt.sh
+bash scripts/sync-python-lockfiles.sh

scripts/sync-python-lockfiles.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -Eeuxo pipefail
+
+# Red Hat's build tooling depends on requirements.txt files with hashes
+# Namely, Konflux (https://konflux-ci.dev/), and Cachi2 (https://github.com/containerbuildsystem/cachi2).
+
+# The following will create a pylock.toml file for every pyproject.toml we have.
+uv --version || pip install "uv==0.8.12"
+find . -name pylock.toml -execdir bash -c '
+  pwd
+  # derives python-version from directory suffix (e.g., "ubi9-python-3.12")
+  uv pip compile pyproject.toml \
+   --output-file pylock.toml \
+   --format pylock.toml \
+   --generate-hashes \
+   --emit-index-url \
+   --python-version="${PWD##*-}" \
+   --python-platform linux \
+   --no-annotate \
+   --quiet' \;