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Packages/com.unity.asset-store-tools/Editor/Utility/PackageUtility.cs

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+#if UNITY_2019 || UNITY_2020
+using System;
+using System.Reflection;
+#endif
+using UnityEngine;
+using UnityEditor.PackageManager;
+using System.Linq;
+
+namespace AssetStoreTools.Utility
+{
+    internal static class PackageUtility
+    {
+        /// <summary>
+        /// Returns the package path on disk. If the path is within the root
+        /// project folder, the returned path will be relative to the root project folder.
+        /// Otherwise, an absolute path is returned
+        /// </summary>
+        public static string GetConvenientPath(this PackageInfo packageInfo)
+        {
+            var path = packageInfo.resolvedPath.Replace("\\", "/");
+
+            var rootProjectPath = Application.dataPath.Substring(0, Application.dataPath.Length - "Assets".Length);
+            if (path.StartsWith(rootProjectPath))
+                path = path.Substring(rootProjectPath.Length);
+
+            return path;
+        }
+
+        public static PackageInfo[] GetAllPackages()
+        {
+#if UNITY_2019 || UNITY_2020
+            var method = typeof(PackageInfo).GetMethod("GetAll", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static, null, new Type[0], null);
+            var packages = method?.Invoke(null, null) as PackageInfo[];
+#else
+            var packages = PackageInfo.GetAllRegisteredPackages();
+#endif
+            return packages;
+        }
+
+        public static PackageInfo[] GetAllLocalPackages()
+        {
+            var packages = GetAllPackages();
+            var localPackages = packages.Where(x => x.source == PackageSource.Embedded || x.source == PackageSource.Local)
+                .Where(x => x.isDirectDependency).ToArray();
+            return localPackages;
+        }
+
+        public static PackageInfo[] GetAllRegistryPackages()
+        {
+            var packages = GetAllPackages();
+            var registryPackages = packages.Where(x => x.source == PackageSource.Registry || x.source == PackageSource.BuiltIn)
+                .OrderBy(x => string.Compare(x.type, "module", System.StringComparison.OrdinalIgnoreCase) == 0)
+                .ThenBy(x => x.name).ToArray();
+
+            return registryPackages;
+        }
+    }
+}