Add script to compare npm versions

compare_packages.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# This script compares the npm packages version in the Luxembourg
+# project with the ones in ngeo.
+# Make sure to call "npm i" in the geoportal directory before running the script.
+
+import json
+
+with open('./geoportal/package.json') as json_file:
+    lux_deps = json.load(json_file)['devDependencies']
+    with open('./geoportal/node_modules/ngeo/package.json') as ngeo_file:
+      ngeo_deps = json.load(ngeo_file)['devDependencies']
+      for name, version in lux_deps.items():
+        if name in ngeo_deps:
+          ngeo_version = ngeo_deps[name]
+          if ngeo_version != version:
+            print(name, version, '->', ngeo_version)