Add rez packages generation for server_addons

Allow to generate `rez` compatible packages for the `server_addons`, will create a `package.py` which then is also included in the `.zip`.

server_addon/create_ayon_addons.py

@@ -144,11 +144,18 @@ def create_addon_zip(
     output_dir: Path,
     addon_name: str,
     addon_version: str,
-    keep_source: bool
+    keep_source: bool,
+    rez_package: bool,
 ):
     zip_filepath = output_dir / f"{addon_name}-{addon_version}.zip"
+
+    if rez_package:
+        zip_filepath = output_dir / f"{addon_name}-{addon_version}-rez.zip"
+
     addon_output_dir = output_dir / addon_name / addon_version
     with ZipFileLongPaths(zip_filepath, "w", zipfile.ZIP_DEFLATED) as zipf:
+        # TODO: Decide if we want to keep this for first pass checking without
+        # executing any python. Otherwiseh we can be removed
         zipf.writestr(
             "manifest.json",
             json.dumps({
@@ -168,8 +175,14 @@ def create_addon_zip(
                 src_path = os.path.join(root, filename)
                 if rel_root:
                     dst_path = os.path.join("addon", rel_root, filename)
+                    if rez_package:
+                        dst_path = os.path.join(rel_root, filename)
                 else:
                     dst_path = os.path.join("addon", filename)
+
+                    if rez_package:
+                        dst_path = filename
+
                 zipf.write(src_path, dst_path)
 
     if not keep_source:
@@ -180,7 +193,8 @@ def create_addon_package(
     addon_dir: Path,
     output_dir: Path,
     create_zip: bool,
-    keep_source: bool
+    keep_source: bool,
+    rez_package: bool,
 ):
     server_dir = addon_dir / "server"
     addon_version = get_addon_version(addon_dir)
@@ -191,22 +205,37 @@ def create_addon_package(
     addon_output_dir.mkdir(parents=True)
 
     # Copy server content
-    src_root = os.path.normpath(str(server_dir.absolute()))
-    src_root_offset = len(src_root) + 1
-    for root, _, filenames in os.walk(str(server_dir)):
-        dst_root = addon_output_dir
-        if root != src_root:
-            rel_root = root[src_root_offset:]
-            dst_root = dst_root / rel_root
+    if not rez_package:
+        src_root = os.path.normpath(str(server_dir.absolute()))
+        src_root_offset = len(src_root) + 1
+        for root, _, filenames in os.walk(str(server_dir)):
+            dst_root = addon_output_dir
+            if root != src_root:
+                rel_root = root[src_root_offset:]
+                dst_root = dst_root / rel_root
 
-        dst_root.mkdir(parents=True, exist_ok=True)
-        for filename in filenames:
-            src_path = os.path.join(root, filename)
-            shutil.copy(src_path, str(dst_root))
+            dst_root.mkdir(parents=True, exist_ok=True)
+            for filename in filenames:
+                src_path = os.path.join(root, filename)
+                shutil.copy(src_path, str(dst_root))
+    else:
+        package_py = addon_output_dir / "package.py"
+
+        with open(package_py, "w+") as pkg_py:
+            pkg_py.write(
+                f"""name = "{addon_dir.name}"
+version = "{addon_version}"
+plugin_for = ["ayon_server"]
+build_command = "python {{root}}/rezbuild.py"
+"""
+            )
+        shutil.copytree(
+            server_dir, addon_output_dir / "server", dirs_exist_ok=True
+        )
 
     if create_zip:
         create_addon_zip(
-            output_dir, addon_dir.name, addon_version, keep_source
+            output_dir, addon_dir.name, addon_version, keep_source, rez_package
         )
 
 
@@ -216,6 +245,7 @@ def main(
     keep_source=False,
     clear_output_dir=False,
     addons=None,
+    rez_package=False,
 ):
     current_dir = Path(os.path.dirname(os.path.abspath(__file__)))
     root_dir = current_dir.parent
@@ -250,7 +280,7 @@ def main(
             continue
 
         create_addon_package(
-            addon_dir, output_dir, create_zip, keep_source
+            addon_dir, output_dir, create_zip, keep_source, rez_package
         )
 
         print(f"- package '{addon_dir.name}' created")
@@ -300,6 +330,13 @@ if __name__ == "__main__":
         action="append",
         help="Limit addon creation to given addon name",
     )
+    parser.add_argument(
+        "-r",
+        "--rez",
+        dest="rez_package",
+        action="store_true",
+        help="Make it a Rez-compatible package",
+    )
 
     args = parser.parse_args(sys.argv[1:])
     main(
@@ -308,4 +345,5 @@ if __name__ == "__main__":
         args.keep_sources,
         args.clear_output_dir,
         args.addons,
+        args.rez_package,
     )