first commit

scripts/find_tk_python.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+candidates=(
+  "${PYTHON:-}"
+  "/usr/local/bin/python3"
+  "/Library/Frameworks/Python.framework/Versions/Current/bin/python3"
+  "/Library/Frameworks/Python.framework/Versions/3.13/bin/python3"
+  "/Library/Frameworks/Python.framework/Versions/3.12/bin/python3"
+  "/usr/bin/python3"
+  "/opt/homebrew/bin/python3"
+  "python3"
+)
+
+seen=""
+for py in "${candidates[@]}"; do
+  [[ -n "$py" ]] || continue
+  if [[ "$py" != /* ]]; then
+    resolved="$(command -v "$py" 2>/dev/null || true)"
+  else
+    resolved="$py"
+  fi
+  [[ -x "$resolved" ]] || continue
+  case ":$seen:" in
+    *":$resolved:"*) continue ;;
+  esac
+  seen="$seen:$resolved"
+  if "$resolved" - <<'PY' >/dev/null 2>&1
+import tkinter
+PY
+  then
+    printf '%s\n' "$resolved"
+    exit 0
+  fi
+done
+
+echo "No Python with tkinter support found. Install Python from python.org or a Tk-enabled Python runtime." >&2
+exit 1