Add the skeleton of the plugin

Contributes to CURA-5155.

plugins/UFPReader/UFPReader.py

@@ -0,0 +1,24 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from UM.Mesh.MeshReader import MeshReader
+from UM.MimeTypeDatabase import MimeType, MimeTypeDatabase
+from cura.Scene.CuraSceneNode import CuraSceneNode
+
+
+class UFPReader(MeshReader):
+
+    def __init__(self) -> None:
+        super().__init__()
+
+        MimeTypeDatabase.addMimeType(
+            MimeType(
+                name = "application/x-ufp",
+                comment = "Cura UFP File",
+                suffixes = ["ufp"]
+            )
+        )
+        self._supported_extensions = [".ufp"]
+
+    def _read(self, file_name: str) -> CuraSceneNode:
+        print("Reading", file_name)

plugins/UFPReader/__init__.py

@@ -0,0 +1,26 @@
+#Copyright (c) 2019 Ultimaker B.V.
+#Cura is released under the terms of the LGPLv3 or higher.
+
+from UM.i18n import i18nCatalog
+
+from . import UFPReader
+
+i18n_catalog = i18nCatalog("cura")
+
+
+def getMetaData():
+    return {
+        "mesh_reader": [
+            {
+                "mime_type": "application/x-ufp",
+                "extension": "ufp",
+                "description": i18n_catalog.i18nc("@item:inlistbox", "Ultimaker Format Package")
+            }
+        ]
+    }
+
+
+def register(app):
+    app.addNonSliceableExtension(".ufp")
+    return {"mesh_reader": UFPReader.UFPReader()}
+

plugins/UFPReader/plugin.json

@@ -0,0 +1,8 @@
+{
+    "name": "UFP Reader",
+    "author": "Ultimaker B.V.",
+    "version": "1.0.0",
+    "description": "Provides support for reading Ultimaker Format Packages.",
+    "supported_sdk_versions": ["6.0.0"],
+    "i18n-catalog": "cura"
+}